Author: claimsbot

1. An electrical device, comprising:
a bus interface coupled to a bus connector, the bus connector providing a power line, a ground line and a plurality of data lines to said bus interface;
an available power detector operatively connected to said bus interface, said available power detector operates to detect a level of available power from the power line when a power source is operatively connected to said bus interface via the bus connector;
power-consuming circuitry; and
a power manager operatively connected to said available power detector and said power-consuming circuitry, said power manager operates to manage power utilization by at least a portion of said power-consuming circuitry based on the level of available power.
2. An electrical device as recited in claim 1, wherein said electrical device further comprises:
a battery.
3. An electrical device as recited in claim 2, wherein said electrical device further comprises:
a battery monitor operatively connected to said battery, said battery monitor operates to monitor a charge level of said battery.
4. An electrical device as recited in claim 3, wherein said power manager operates to manage power utilization by at least a portion of said power-consuming circuitry based on the level of available power and the charge level.
5. An electrical device as recited in claim 3, wherein the at least a portion of said power-consuming circuitry includes at least a disk drive.
6. An electrical device as recited in claim 5, wherein said power manager control when or how said electronic device boots-up using the disk drive.
7. An electrical device as recited in claim 1, wherein said power-consuming circuitry includes at least a disk drive.
8. An electrical device as recited in claim 7, wherein said power manager control when or how said electronic device boots-up using the disk drive.
9. An electrical device as recited in claim 8, wherein said electrical device further comprises:
a battery.
10. An electrical device as recited in claim 9, wherein said electrical device further comprises:
a battery monitor operatively connected to said battery, said battery monitor operates to monitor a charge level of said battery.
11. An electrical device as recited in claim 10, wherein said power manager operates to manage power utilization by at least the disk drive of said power-consuming circuitry based on the level of available power and the charge level.
12. An electrical device as recited in claim 1, wherein said electrical device is a portable media player.
13. An electrical device as recited in claim 12, wherein said power-consuming circuitry includes at least a disk drive, the disk drive stores a plurality of media items that can be played by the portable media player.
14. An electrical device as recited in claim 12, wherein the power source is a power adapter or a battery pack.
15. A method for managing power utilization by an electrical device having a bus connector, said method comprising:
detecting connection of a peripheral bus to a bus connector of the electrical device, the peripheral bus having at least a power line and a plurality of bus data lines;
reading voltage levels on the bus data lines when said detecting detects connection of the peripheral bus;
determining whether a host device providing the peripheral bus is a power adapter based on the voltage levels; and
determining an available power level for the power adapter based on the voltage levels when said determining determines that the host device is a power adapter; and
managing power utilization of the electrical device based on the available power level for the power adapter.
16. A method as recited in claim 15, wherein the bus connector is a USB connector.
17. A method as recited in claim 15, wherein the bus connector is a FIREWIRE connector.
18. A method as recited in claim 15, wherein the electrical device includes a processor and at least a disk drive that stores computer program code, the processor can operate in accordance with the stored computer program code, and
wherein said managing operates to manage when or how the processor boots-up using the disk drive.
19. A method as recited in claim 18, wherein said electrical device is a portable media player.
20. A method as recited in claim 19,
wherein the bus connector is a USB connector, and
wherein the voltage levels that determine are used to determine available power levels for power adapter are all within a \u201cHigh\u201d voltage range of the peripheral bus when said detecting detects connection of the peripheral bus.
21. A method for managing power utilization by an electrical device having a bus connector, said method comprising:
detecting connection of a peripheral bus to a bus connector of the electrical device, the peripheral bus having at least a power line and a plurality of bus data lines;
reading voltage levels on the bus data lines when said detecting detects connection of the peripheral bus;
determining whether a host device providing the peripheral bus is a battery pack based on the voltage levels; and
determining an available power capacity of the battery pack based on the voltage levels when said determining determines that the host device is a battery pack; and
managing power utilization of the electrical device based on the available power capacity of the battery pack.
22. A method for determining power availability from a power adapter coupled to an electronic device via a peripheral bus, the peripheral bus having at least a power line and a plurality of bus data lines, said method comprising:
reading voltage levels induced on the bus data lines by the power adapter; and
determining an available power level for the power adapter based on the voltage levels.
23. A method as recited in claim 22, wherein said method further comprises:
thereafter managing power utilization of the electrical device based on the available power level for the power adapter.
24. A method as recited in claim 23, wherein the electrical device includes a processor and at least a disk drive that stores computer program code, the processor can operate in accordance with the stored computer program code, and
wherein said managing operates to manage when or how the processor boots-up using the disk drive.
25. A method as recited in claim 24, wherein the electrical device is a portable media player.
26. A method as recited in claim 22, wherein the electrical device is a portable media player.
27. A method for determining power availability from a battery pack coupled to an electronic device via a peripheral bus, the peripheral bus having at least a power line and a plurality of bus data lines, said method comprising:
reading voltage levels induced on the bus data lines by the battery pack; and
determining an available power level for the battery pack based on the voltage levels.
28. A method as recited in claim 27, wherein said method further comprises:
thereafter managing power utilization of the electrical device based on the available power level for the battery pack.
29. A method as recited in claim 28, wherein the electrical device includes a processor and at least a disk drive that stores computer program code, the processor can operate in accordance with the stored computer program code, and
wherein said managing operates to manage when or how the processor boots-up using the disk drive.
30. A method as recited in claim 29, wherein the electrical device is a portable media player.
31. A method for identifying a peripheral device coupled to a peripheral connector of an electronic device, said method comprising:
detecting connection of a peripheral bus to the bus connector of the electrical device, the peripheral bus being associated with a host device that is also connected to the peripheral bus, the peripheral bus having at least a power line and a plurality of bus data lines;
reading voltage levels on the bus data lines after said detecting detects connection of the peripheral bus; and
identifying the host device as a power adapter or a battery pack based on the voltage levels.
32. A method as recited in claim 31, wherein the electrical device is a portable media player.
33. A method as recited in claim 32, wherein said method further comprises:
determining an available power level for the power adapter or battery pack based on the voltage levels.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A closing device adaptable to a glass or thermoplastic container comprising a neck closable by a stopper forced into the neck or screwed or clipped or crimped to the side wall of the neck while compressing a seal onto the upper end of the neck, the device comprising: a sleeve comprising an internal channel having an axis of symmetry that opens at one end having a leaktight connection of the closing device with respect to the neck of a container and at the other end having a sliding-contact surface which is a sector of a cylinder or a portion of a sphere, having an axis of symmetry of revolution that intersects the axis of symmetry of the internal channel of the sleeve at right angles, providing the bottle with a new orifice that can be closed by a shut-off plate connected to a caliper which pivots, via the ends of the caliper’s two parallel arms, about two journals integral with the sleeve, on which the arms pivot by means of a bore, wherein the journals and the bores form cams that enable the pressure of the shut-off plate on the sliding-contact surface to be varied and the pressure of the sealing portion to be varied when the new orifice is closed using a control portion, and comprising a sealing portion having a seal with a flexible lip integral with the new orifice, shaped essentially as a frustum of a cone of revolution, while the shut-off plate comprises, in the area that covers the new orifice, a small spherical can with a diameter roughly the same as that of said orifice and with a radius of curvature of the spherical cap that is much greater.
2. The closing device as claimed in claim 1, wherein the control portion comprises a lever integral with the parallel arms of the caliper.
3. The closing device as claimed in claim 1, wherein the closing device is produced from thermoplastic injection-molded parts cleaved or welded together.

1. A dual-chip light splitting and light combining module, comprising a polarizing light splitting prism, a first mirror, a first polarizing total internal reflection (TIR) prism, a first displaying chip, a second mirror, a second polarizing TIR prism, a second displaying chip and a light combining prism, the polarizing light splitting prism being adapted to split an incident non-polarized light into a first polarized light and a second polarized light perpendicular to each other, wherein:
the first polarized light is reflected by the first mirror to the first polarizing TIR prism, reflected by the first TIR prism to the first displaying chip, redirected by the first displaying chip to the first polarizing TIR prism, and then transmitted into the light combining prism via the first polarizing TIR prism;
the second polarized light is reflected by the second mirror to the second polarizing TIR prism, reflected by the second TIR prism to the second displaying chip, redirected by the second displaying chip to the second polarizing TIR prism, and then transmitted into the light combining prism via the second polarizing TIR prism; and
the light combining prism is adapted to combine the incident first polarized light with the incident second polarized light.
2. The dual-chip light splitting and light combining module of claim 1, wherein:
the first displaying chip is one of a microelectromechanical system (MEMS) mirror or a digital mirror device (DMD); and
the second displaying chip is one of an MEMS mirror or a DMD.
3. The dual-chip light splitting and light combining module of claim 1, wherein the first displaying chip and the second displaying chip have a refreshing frequency of 60 Hz.
4. A dual-chip light splitting and light combining module, comprising a light splitting prism, a first mirror, a first polarizing total internal reflection (TIR) prism, a first displaying chip, a second mirror, a second polarizing TIR prism, a second displaying chip and a light combining prism, the light splitting prism being adapted to split an incident non-polarized light into a first polarized light and a second polarized light, wherein:
the first polarized light is reflected by the first mirror to the first polarizing TIR prism, reflected by the first TIR prism to the first displaying chip, redirected by the first displaying chip to the first polarizing TIR prism, and then transmitted into the light combining prism via the first polarizing TIR prism;
the second polarized light is reflected by the second mirror to the second polarizing TIR prism, reflected by the second TIR prism to the second displaying chip, redirected by the second displaying chip to the second polarizing TIR prism, and then transmitted into the light combining prism via the second polarizing TIR prism; and
the light combining prism is adapted to combine the incident first polarized light with the incident second polarized light.
5. The dual-chip light splitting and light combining module of claim 4, wherein the light splitting prism is a polarizing light splitting prism.
6. The dual-chip light splitting and light combining module of claim 4, wherein the light splitting prism is adapted to split the incident non-polarized light into the first polarized light and the second polarized light perpendicular to each other.
7. The dual-chip light splitting and light combining module of claim 4, wherein:
the first displaying chip is one of a microelectromechanical system (MEMS) mirror or a digital mirror device (DMD); and
the second displaying chip is one of an MEMS mirror or a DMD.
8. The dual-chip light splitting and light combining module of claim 4, wherein the first displaying chip and the second displaying chip have a refreshing frequency of 60 Hz.
9. A three-dimensional (3D) projection optical system, comprising a light source shaping lens, a dual-chip light splitting and light combining module, and an imaging lens, wherein:
the dual-chip light splitting and light combining module comprises a light splitting prism, a first mirror, a first polarizing total internal reflection (TIR) prism, a first displaying chip, a second mirror, a second polarizing TIR prism, a second displaying chip and a light combining prism, the light splitting prism being adapted to split a non-polarized light incident from the light source shaping lens into a first polarized light and a second polarized light, wherein:
the first polarized light is reflected by the first mirror to the first polarizing TIR prism, reflected by the first TIR prism to the first displaying chip, redirected by the first displaying chip to the first polarizing TIR prism, and then transmitted into the light combining prism via the first polarizing TIR prism;
the second polarized light is reflected by the second mirror to the second polarizing TIR prism, reflected by the second TIR prism to the second displaying chip, redirected by the second displaying chip to the second polarizing TIR prism, and then transmitted into the light combining prism via the second polarizing TIR prism; and
the light combining prism is adapted to combine the incident first polarized light with the incident second polarized light and transfer the combined light to the imaging lens; and
the imaging lens is adapted to correct and amplify the combined light transferred by the dual-chip light splitting and light combining module and project the light outwards.
10. The 3D projection optical system of claim 9, wherein the light splitting prism is a polarizing light splitting prism.
11. The 3D projection optical system of claim 9, wherein the light splitting prism is adapted to split the incident non-polarized light into the first polarized light and the second polarized light perpendicular to each other.
12. The 3D projection optical system of claim 9, wherein:
the first displaying chip is one of a microelectromechanical system (MEMS) mirror or a digital mirror device (DMD); and
the second displaying chip is one of an MEMS mirror or a DMD.
13. The 3D projection optical system of claim 9, wherein the first displaying chip and the second displaying chip have a refreshing frequency of 60 Hz.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An apparatus suitable for use in a compressed gas-based energy storage and recovery system, the apparatus comprising:
a first hydraulic cylinder having a first working piston disposed therein for reciprocating movement in the first hydraulic cylinder, the first working piston dividing the first hydraulic cylinder into, and defining therewith, a first hydraulic chamber and a second hydraulic chamber;
a second hydraulic cylinder having a second working piston disposed therein for reciprocating movement in the second hydraulic cylinder, the second working piston dividing the second hydraulic cylinder into, and defining therewith, a third hydraulic chamber and a fourth hydraulic chamber;
the first working piston having substantially the same diameter as the second working piston,

a connecting rod disposed between, and coupled to, the first working piston and the second working piston;
a first hydraulic actuator having an actuator cylinder and an actuator piston disposed therein for reciprocating movement in the actuator cylinder, the actuator piston dividing the actuator cylinder into, and defining therewith, a first actuator chamber and a second actuator chamber, the hydraulic actuator being coupled to at least one of the first working piston, the second working piston, and the connecting rod, the hydraulic actuator configured to receive pressurized hydraulic fluid in the first actuator chamber to move the first and second working pistons in a first direction to reduce the volume of the first hydraulic chamber and the third hydraulic chamber, the hydraulic actuator further configured to receive pressurized hydraulic fluid in the second actuator chamber to move the first and second working pistons in a second direction, opposite the first direction, to reduce the volume of the second hydraulic chamber and the fourth hydraulic chamber; and
a second hydraulic actuator coupled to at least one of the first working piston, the second working piston, and the connecting rod, the second hydraulic actuator operable to move the first and second working pistons in the first direction and the second direction.
2. The apparatus of claim 1, wherein a combined volume of the first and second hydraulic chambers is substantially equal to a combined volume of the third and fourth hydraulic chambers.
3. The apparatus of claim 1, wherein the first hydraulic cylinder includes a first fluid port and a second fluid port, the second hydraulic cylinder includes a third fluid port and fourth fluid port, and
wherein the actuator moving the first and second working pistons in the first direction causes: a) liquid contained within the first hydraulic chamber to be discharged from the first hydraulic chamber to a gas compressorexpander device via the first fluid port, b) liquid from a liquid storage structure to be drawn into the second hydraulic chamber via the second fluid port, c) liquid contained within the third hydraulic chamber to be discharged from the third hydraulic chamber to the liquid storage structure via the third fluid port, and d) liquid from the gas compressorexpander device to be drawn into the fourth chamber via the fourth fluid port.
4. The apparatus of claim 1, wherein the first hydraulic cylinder includes a first fluid port and a second fluid port, the second hydraulic cylinder includes a third fluid port and fourth fluid port, and
wherein the actuator moving the first and second working pistons in the second direction causes: a) liquid from a liquid storage structure to be drawn into the first hydraulic chamber via the first fluid port, b) liquid contained within the second hydraulic chamber to be discharged from the second hydraulic chamber to a gas compressorexpander device via the second fluid port, c) liquid from the gas compressorexpander device to be drawn into the third chamber via the third fluid port, and d) liquid contained within the fourth hydraulic chamber to be discharged from the fourth hydraulic chamber to the liquid storage structure via the fourth fluid port.
5. The apparatus of claim 1, wherein the first hydraulic cylinder includes a first fluid port and a second fluid port, the second hydraulic cylinder includes a third fluid port and fourth fluid port, and
wherein the actuator moving the first and second working pistons in the first direction causes: a) liquid contained within the first hydraulic chamber to be discharged from the first hydraulic chamber to a liquid storage structure via the first fluid port, b) liquid from a gas compressorexpander device to be drawn into the second hydraulic chamber via the second fluid port, c) liquid contained within the third hydraulic chamber to be discharged from the third hydraulic chamber to the gas compressorexpander device via the third fluid port, and d) liquid from the liquid storage structure to be drawn into the fourth chamber via the fourth fluid port.
6. The apparatus of claim 1, wherein the first hydraulic cylinder includes a first fluid port and a second fluid port, the second hydraulic cylinder includes a third fluid port and fourth fluid port, and
wherein the actuator moving the first and second working pistons in the second direction causes: a) liquid from a gas compressorexpander device to be drawn into the first hydraulic chamber via the first fluid port, b) liquid contained within the second hydraulic chamber to be discharged from the second hydraulic chamber to a liquid storage structure via the second fluid port, c) liquid from the liquid storage structure to be drawn into the third chamber via the third fluid port, and d) liquid contained within the fourth hydraulic chamber to be discharged from the fourth hydraulic chamber to the gas compressorexpander device via the fourth fluid port.
7. An apparatus suitable for use in a compressed gas-based energy storage and recovery system, the apparatus comprising:
a first hydraulic cylinder having a first working piston disposed therein for reciprocating movement in the first hydraulic cylinder, the first working piston dividing the first hydraulic cylinder into, and defining therewith, a first hydraulic chamber and a second hydraulic chamber;
a second hydraulic cylinder having a second working piston disposed therein for reciprocating movement in the second hydraulic cylinder, the second working piston dividing the second hydraulic cylinder into, and defining therewith, a third hydraulic chamber and a fourth hydraulic chamber;
the first working piston having substantially the same diameter as the second working piston,

a connecting rod disposed between, and coupled to, the first working piston and the second working piston;
a hydraulic actuator having an actuator cylinder and an actuator piston disposed therein for reciprocating movement in the actuator cylinder, the actuator piston dividing the actuator cylinder into, and defining therewith, a first actuator chamber and a second actuator chamber, the hydraulic actuator being coupled to at least one of the first working piston, the second working piston, and the connecting rod, the hydraulic actuator configured to receive pressurized hydraulic fluid in the first actuator chamber to move the first and second working pistons in a first direction to reduce the volume of the first hydraulic chamber and the third hydraulic chamber, the hydraulic actuator further configured to receive pressurized hydraulic fluid in the second actuator chamber to move the first and second working pistons in a second direction, opposite the first direction, to reduce the volume of the second hydraulic chamber and the fourth hydraulic chamber; and
a hydraulic controller fluidically coupleable to the hydraulic actuator, the hydraulic controller operable in a compression mode to produce a hydraulic actuator force on the first and second working pistons sufficient to move the first and second working pistons: a) in the first direction such that liquid contained in the first hydraulic chamber and the third hydraulic chamber is discharged from the first hydraulic chamber and the third hydraulic chamber, and b) in the second direction such that liquid contained in the second hydraulic chamber and the fourth hydraulic chamber is discharged from the second hydraulic chamber and the fourth hydraulic chamber,
wherein the hydraulic controller is operable to maintain a hydraulic pressure within the first hydraulic chamber substantially equal to a hydraulic pressure within the fourth hydraulic chamber at any given time.
8. A system for increasing the efficiency of a compressed gas-based energy storage and recovery system, the system comprising:
a first hydraulic cylinder having a first working piston disposed therein for reciprocating movement in the first hydraulic cylinder, the first working piston dividing the first hydraulic cylinder into, and defining therewith, a first hydraulic chamber and a second hydraulic chamber,
the first hydraulic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to a liquid storage structure and the second fluid port fluidically coupleable to a gas compressorexpander device,
the second hydraulic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the liquid storage structure and the second fluid port fluidically coupleable to the gas compressorexpander device;

a second hydraulic cylinder having a second working piston disposed therein for reciprocating movement in the second hydraulic cylinder, the second working piston dividing the second hydraulic cylinder into, and defining therewith, a third hydraulic chamber and a fourth hydraulic chamber,
the third hydraulic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the liquid storage structure and the second fluid port fluidically coupleable to the gas compressorexpander device,
the fourth hydraulic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the liquid storage structure and the second fluid port fluidically coupleable to the gas compressorexpander device;

a hydraulic actuator coupled to the first working piston; and
a hydraulic controller fluidically coupleable to the hydraulic actuator, the hydraulic controller operable in a first operating mode in which liquid is discharged from the first hydraulic cylinder to the gas compressorexpander device and from the second hydraulic cylinder to the liquid storage structure, and a second operating mode in which liquid is discharged from the first hydraulic cylinder to the liquid storage structure and from the second hydraulic cylinder to the gas compressorexpander device,
wherein operation of the hydraulic controller in the first operating mode produces a hydraulic actuator force on the first working piston sufficient to move the first working piston: a) in a first direction such that liquid contained in the first hydraulic chamber is discharged from the first hydraulic chamber into the gas compressorexpander device and liquid is drawn into the second hydraulic chamber from the liquid storage structure, and b) in a second direction, opposite the first direction, such that liquid contained in the second hydraulic chamber is discharged to the gas compressorexpander device and drawn into the first hydraulic chamber from the liquid storage structure.
9. The system of claim 8, wherein operation of the hydraulic controller in the first operating mode produces a hydraulic actuator force on the second working piston sufficient to move the second working piston: a) in a third direction such that liquid contained in the third hydraulic chamber is discharged from the third hydraulic chamber into the liquid storage structure, and b) in a fourth direction, opposite the third direction, such that liquid contained in the fourth hydraulic chamber is discharged to the liquid storage structure.
10. The system of claim 9, wherein movement of the first working piston in the first direction is concurrent with movement of the second working piston in the third direction, the third direction being substantially the same as the first direction.
11. The system of claim 9, wherein fluid pressure in the fourth hydraulic chamber from liquid received into the fourth hydraulic chamber from the gas compressorexpander device produces a hydraulic force on the second working piston sufficient to move the second working piston in the third direction.
12. The system of claim 11, wherein the second working piston is operatively coupled to the first working piston such that movement of the second working piston in the third direction facilitates movement of the first working piston in the first direction.
13. The system of claim 8, wherein a combined temperature within the first and second hydraulic chambers is greater than a combined temperature within the third and fourth hydraulic chambers.
14. The system of claim 8, wherein liquid contained in the first hydraulic chamber has a first temperature during operation, and liquid contained in the third hydraulic chamber has a second temperature greater than the first temperature during operation.
15. A system for increasing the efficiency of a compressed gas-based energy storage and recovery system, the system comprising:
a gas compressorexpander device including a pneumatic cylinder having a pneumatic working piston disposed therein for reciprocating movement in the pneumatic cylinder, the pneumatic working piston dividing the pneumatic cylinder into, and defining therewith, a first pneumatic chamber and a second pneumatic chamber,
the first pneumatic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to a gas source,
the second pneumatic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the gas source;

a liquid management system including a hydraulic cylinder having a hydraulic working piston disposed therein for reciprocating movement in the hydraulic cylinder, the hydraulic working piston dividing the hydraulic cylinder into, and defining therewith, a first hydraulic chamber and a second hydraulic chamber,
the first hydraulic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to a liquid storage structure and the second fluid port fluidically coupleable to the second fluid port of the first pneumatic chamber,
the second hydraulic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the liquid storage structure and the second fluid port fluidically coupleable to the second fluid port of the second pneumatic chamber; and

a first hydraulic actuator coupled to the pneumatic working piston and a second hydraulic actuator coupled to the hydraulic working piston; and
a hydraulic controller fluidically coupleable to the first and second hydraulic actuators, the hydraulic controller operable to cause the second hydraulic actuator to move the hydraulic working piston to: a) reduce the volume of the first hydraulic chamber and displace a first volume of liquid contained therein to the first pneumatic chamber of the gas compressorexpander device, and b) increase the volume of the second hydraulic chamber and receive therein a second volume of liquid from the liquid storage structure.
16. The system of claim 15, wherein the hydraulic controller is operable to cause the first hydraulic actuator to move the pneumatic working piston to reduce the volume of the first pneumatic chamber and displace at least a portion of the first volume of liquid contained therein out of the first pneumatic chamber.
17. The system of claim 15, wherein the pneumatic cylinder is a first pneumatic cylinder and the pneumatic working piston is a first pneumatic working piston, the gas compressorexpander device including a second pneumatic cylinder having a second pneumatic working piston disposed therein for reciprocating movement in the second pneumatic cylinder, the second pneumatic working piston dividing the second pneumatic cylinder into, and defining therewith, a third pneumatic chamber and a fourth pneumatic chamber,
the third pneumatic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the first pneumatic chamber,
the fourth pneumatic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the second pneumatic chamber,
the hydraulic controller operable to cause the first hydraulic actuator to move the first pneumatic working piston to reduce the volume of the first pneumatic chamber and displace at least a portion of the first volume of liquid contained therein to the third pneumatic chamber.
18. The system of claim 17, wherein the hydraulic cylinder is a first hydraulic cylinder and the hydraulic working piston is a first hydraulic working piston, the liquid management system includes a second hydraulic cylinder having a second hydraulic working piston disposed therein for reciprocating movement in the second hydraulic cylinder, the second hydraulic working piston dividing the second hydraulic cylinder into, and defining therewith, a third hydraulic chamber and a fourth hydraulic chamber,
the third hydraulic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the liquid storage structure and the second fluid port fluidically coupleable to the second fluid port of the fourth pneumatic chamber,
the fourth hydraulic chamber having a first fluid port and a second fluid port, the first fluid port fluidically coupleable to the liquid storage structure and the second fluid port fluidically coupleable to the second fluid port of the third pneumatic chamber,
the hydraulic controller being operable to cause the second hydraulic actuator to move the second hydraulic working piston to: a) reduce the volume of the third hydraulic chamber and displace a third volume of liquid contained therein to the liquid storage structure, and b) increase the volume of the fourth hydraulic chamber and receive therein a fourth volume of liquid from the third pneumatic chamber of the gas compressorexpander device.