1. A foam blowing agent composition comprising (a) about 5 to 50 mole % of chlorodifluoromethane and (b) about 95 to 50 mole % of a pentane selected from the group consisting of one or more of n-pentane, i-pentane and cyclopentane.
2. The composition of claim 1 wherein the pentane is a mixture of i-pentane and cyclopentane.
3. A foam blowing agent composition comprising (a) about 5 to 50 mole % of chlorodifluoromethane and (b) about 95 to 50 mole % of a pentane selected from the group consisting of one or more of n-pentane and i-pentane.
4. A foam premix composition comprising a polyol and the foam blowing agent composition of claim 1.
5. A foam premix composition comprising a polyol and the foam blowing agent composition of claim 2.
6. A foam premix composition comprising a polyol and the foam blowing agent composition of claim 3.
7. A polyurethane foam composition comprising an isocyanate, a polyol and the foam blowing agent composition of claim 1, said foam composition having (a) an A-side which contains the isocyanate and, optionally, a portion of the foam blowing agent composition and (b) a B-side which contains the polyol and the balance of the foam blowing agent composition.
8. A polyurethane foam composition comprising an isocyanate, a polyol and the foam blowing agent composition of claim 2, said foam composition having (a) an A-side which contains the isocyanate and, optionally, a portion of the foam blowing agent composition and (b) a B-side which contains the polyol and the balance of the foam blowing agent composition.
9. A polyurethane foam composition comprising an isocyanate, a polyol and the foam blowing agent composition of claim 3, said foam composition having (a) an A-side which contains the isocyanate and, optionally, a portion of the foam blowing agent composition and (b) a B-side which contains the polyol and the balance of the foam blowing agent composition.
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 system comprising:
a first power module with a first switch to deliver a power to a load by connecting the first switch;
a second power module with a second switch to deliver the power to the load by connecting the second switch, the power to the load from either the first power module or the second power module; and
a battery to provide voltage to either the first power module or the second power module to enable the delivery of the power to the load by alternating between the first switch in the first power module and the second switch in the second power module.
2. The system of claim 1 wherein the first switch and the second switch are not simultaneously connected.
3. The system of claim 1 further comprising:
a first generator connected to the first power module, the first power module delivers power until the first generator delivers power; and
a second generator connected to the second power module, the second power module delivers power until the second generator delivers power.
4. The system of claim 1 wherein the first power module connected to the battery through the first switch comprises a first uninterruptible power source and the second power module connected to the battery through the second switch comprises a second uninterruptible power source.
5. The system of claim 1 wherein the battery is physically separated from the first power module and the second power module.
6. The system of claim 1 wherein the first power module and the second power module each include at least one of an inverter and a converter.
7. The system of claim 1 wherein the first power module is connected to a first power supply within the load and the second power module is connected to a second power supply within the load.
8. A power module comprising:
a power channel, to connect a battery and a switch, to provide voltage from the battery to the power module; and
a switch to receive voltage from the battery based on a request associated with a second power module, the battery to connect the power module and a second power module and provides voltage to either the power module through the switch or to the second power module through a second switch.
9. The power module of claim 8 further comprising:
a communication channel to transmit the request associated with the second power module to the power module; and
a controller, to connect to the communication channel, to receive the request and to control the switch.
10. The power module of claim 8 wherein the power module and the battery comprise a first uninterruptible power source and the second power module and the battery comprise a second uninterruptible power source.
11. The power module of claim 8 further comprising:
an output channel to deliver power to a load based on receiving voltage from the battery.
12. The power module of claim 8 wherein the first switch and the second switch are not simultaneously connected nor simultaneously disconnected.
13. A method, executed by a computing device, comprising:
alternating between a first switch within a first power module and a second switch within a second power module to provide voltage to either the first power module or the second power module; and
delivering voltage to a load by either the first power module through the first switch connection or the second power module through the second switch connection.
14. The method of claim 13 wherein alternating between the first switch and the second switch is further comprising:
communicating to the first power module and the second power module to connect or disconnect the first switch and the second switch.
15. The method of claim 13 wherein alternating between the first switch within the first module and a second switch within the second module is further comprising:
determining a fault within the first power module or the second power module to connect either the first switch or the second switch.