Author: claimsbot

1. A fuel injection control apparatus for a direct injection internal combustion engine, comprising:
detector for detecting a decrease in engine speed; and
an injection controller for increasing a fuel injection quantity based on the decrease in engine speed being detected by the detector, wherein
the increased fuel injection quantity is set by the injection controller through the execution of a supplementary fuel injection, the injection quantity of which is set after an injection quantity setting timing of a normal fuel injection that is executed during a same combustion cycle as the supplementary fuel injection, wherein
the injection controller executes the normal fuel injection during an intake stroke and executes the supplementary fuel injection during a compression stroke.
2. The fuel injection control apparatus for a direct injection internal combustion engine according to claim 1, wherein the fuel injection quantity of the supplementary fuel injection is fixed.
3. The fuel injection control apparatus for a direct injection internal combustion engine according to claim 1, wherein the injection controller maintains the increased fuel injection quantity until a predetermined period of time has elapsed after the decrease in engine speed was detected by the detector.
4. The fuel injection control apparatus for a direct injection internal combustion engine according to claim 1, wherein the detector also detects whether an automatic transmission, which is drivingly connected to the internal combustion engine, is engaged to transmit engine output to a vehicle drive system, and the injection controller increases the fuel injection quantity when the detector detects the decrease in engine speed and also detects that the automatic transmission is engaged.
5. The fuel injection control apparatus for a direct injection internal combustion engine according to claim 1, wherein the detector detects a switching of an automatic transmission from a non-engaged state to an engaged state as the decrease in engine speed, the automatic transmission being drivingly connected to the internal combustion engine to transmit the engine output to a vehicle drive system when engaged.
6. The fuel injection control apparatus for a direct injection internal combustion engine according to claim 5, wherein the detector regards the automatic transmission as being engaged when a shift lever of the automatic transmission is in a drive position.
7. The fuel injection control apparatus for a direct injection internal combustion engine according to claim 1, wherein a shift of an injection mode of the normal fuel injection from execution of a compression stroke injection to execution of an intake stroke injection is detected by the detector as a decrease in engine speed.
8. The fuel injection control apparatus for a direct injection internal combustion engine according to claim 1, wherein the injection controller increases the fuel injection quantity until a predetermined period of time has elapsed after engine start-up.
9. The fuel injection control apparatus for a direct injection internal combustion engine according to claim 4, wherein the detector regards the automatic transmission as being engaged when a shift lever for the automatic transmission is in a drive position.
10. A fuel injection control apparatus for a direct injection internal combustion engine, comprising:
detector for detecting a decrease in engine speed; and
an injection controller for increasing a fuel injection quantity based on the decrease in engine speed being detected by the detector, wherein
the increased fuel injection quantity is set by the injection controller through the execution of a supplementary fuel injection, the injection quantity of which is set after an injection quantity setting timing of a normal fuel injection that is executed during a same combustion cycle as the supplementary fuel injection, wherein
the internal combustion engine has a plurality of cylinders, and the injection controller sets the period of time between the injection quantity setting timing of the normal fuel injection and the injection quantity setting timing of the supplementary fuel injection for a first cylinder of the plurality of cylinders so as to overlap with the period of time between the injection quantity setting timing of the normal fuel injection and the injection quantity setting timing of the supplementary fuel injection for a second cylinder of the plurality of cylinders.
11. A method for controlling fuel injection in a direct injection internal combustion engine including a cylinder which undergoes an expansion stroke, exhaust stroke, intake stroke, and compression stroke in this order during a combustion cycle, the method comprising:
setting a normal fuel injection to be executed during a predetermined combustion cycle of the cylinder; and
setting a supplementary fuel injection to be executed after the normal fuel injection during the predetermined combustion cycle of the cylinder when a decrease in engine speed is detected after the normal fuel injection has been set, wherein
the normal fuel injection is executed during the intake stroke of the predetermined combustion cycle, and the supplementary fuel injection is executed during the compression stroke of the predetermined combustion cycle.
12. The method according to claim 11, wherein the quantity of the supplementary fuel injection is fixed.
13. The method according to claim 11, wherein when the decrease in engine speed is detected before the normal fuel injection has been set, the quantity of the normal fuel injection is increased based on the detected decrease in engine speed.
14. The method according to claim 11, wherein if the supplementary fuel injection was executed during the predetermined combustion cycle, the quantity of the normal fuel injection to be executed in a subsequent combustion cycle following the predetermined combustion cycle is increased based on the detected decrease in engine speed.
15. The method according to claim 14, further comprising:
continuing to increase the quantity of the normal fuel injection for a subsequent combustion cycle based on the detected decrease in engine speed until a predetermined period time has elapsed after the decrease in engine speed has been detected.
16. The method according to claim 14, further comprising:
continuing to increase the quantity of the normal fuel injection for a subsequent combustion cycle based on the detected decrease in engine speed until a predetermined period of time has elapsed after engine start-up.
17. The method according to claim 13, wherein the increased quantity of the normal fuel injection is equal to the combined quantities of the normal fuel injection and the supplementary fuel injection that would be injected when the decrease in engine speed is detected after the normal fuel injection has been set.
18. The method according to claim 11, further comprising:
determining whether an automatic transmission, which is drivingly connected to the internal combustion engine, is engaged to transmit engine output to a vehicle drive system; and
executing the supplementary injection if the decrease in engine speed is detected while the automatic transmission is engaged.
19. The method according to claim 11, further comprising:
detecting a switching of an automatic transmission from a non-engaged state to an engaged state as the decrease in engine speed, the automatic transmission being drivingly connected to the internal combustion engine to transmit engine output to a vehicle drive system when engaged.
20. The method according to claim 19, wherein the automatic transmission is regarded as being engaged when a shift lever of the automatic transmission is in a drive position.
21. The method according to claim 11, wherein a shift of an injection mode of the normal fuel injection from execution of a compression stroke injection to execution of an intake stroke injection is detected as a decrease in engine speed.
22. The method according to claim 13, further comprising:
continuing to increase the quantity of the normal fuel injection for subsequent combustion cycle based on the detected decrease in engine speed until a predetermined period time has elapsed after the decrease in engine speed has been detected.
23. The method according to claim 13, further comprising: continuing to increase the quantity of the normal fuel injection for a subsequent combustion cycle based on the detected decrease in engine speed until a predetermined period of time has elapsed after engine start-up.
24. The method according to claim 18, wherein the automatic transmission is regarded as being engaged when a shift lever of the automatic transmission is in a drive position.
25. A method for controlling fuel injection in a direct injection internal combustion engine including a cylinder which undergoes an expansion stroke, exhaust stroke, intake stroke, and compression stroke in this order during a combustion cycle, the method comprising:
setting a normal fuel injection to be executed during a predetermined combustion cycle of the cylinder; and
setting a supplementary fuel injection to be executed after the normal fuel injection during the predetermined combustion cycle of the cylinder when a decrease in engine speed is detected after the normal fuel injection has been set, wherein
the internal combustion engine has a plurality of cylinders and the time period between the setting of the normal injection and the setting of the supplementary injection for a first cylinder among the plurality of cylinders overlaps with the time period between the setting of the normal injection and the setting of the supplementary injection for a second cylinder among the plurality of cylinders.
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 heat exchanger comprising a refrigerant inlet header section and a refrigerant outlet header section which are arranged in parallel in a front-rear direction, and a refrigerant circulation passage for establishing communication between the header sections, wherein a refrigerant inlet is formed in the refrigerant inlet header section at a first end, and a refrigerant outlet is formed in the refrigerant outlet header section at the same end; and refrigerant having flowed from the refrigerant inlet into the refrigerant inlet header section returns to the refrigerant outlet header section after passing through the refrigerant circulation passage, and flows out of the refrigerant outlet, wherein
the first ends of the refrigerant inlet header section and the refrigerant outlet header section are closed by a first cap joined to the two header sections while bridging them, and second ends of the refrigerant inlet header section and the refrigerant outlet header section are closed by a second cap joined to the two header sections while bridging them; the refrigerant inlet is formed in a portion of the first cap which closes the refrigerant inlet header section, and the refrigerant outlet is formed in a portion of the first cap which closes the refrigerant outlet header section; a pipe joint member having a refrigerant inflow portion communicating with the refrigerant inlet and a refrigerant outflow portion communicating with the refrigerant outlet is joined to the first cap; a mating concave portion is formed on the first cap, and a mating convex portion is formed on the pipe joint member such that the mating convex portion projects toward the first cap and is fitted into the mating concave portion; and the mating concave portion, into which the mating convex portion is fitted, is not formed on the second cap.
2. A heat exchanger according to claim 1, wherein the pipe joint member assumes a plate-like shape; and the first and second caps have the same outer shape, except for the mating concave portion.
3. A heat exchanger according to claim 1, wherein the mating concave portion is formed on the first cap at a position offset from the center thereof with respect to the front-rear direction.
4. A heat exchanger according to claim 1, wherein the mating concave portion comprises a cutout formed in a peripheral edge portion of the first cap.
5. A heat exchanger according to claim 1, wherein the refrigerant outlet header section is disposed on the rear side of the refrigerant inlet header section; the refrigerant circulation passage is formed by a refrigerant inflow intermediate header section disposed below the refrigerant inlet header section in opposition thereto, a refrigerant outflow intermediate header section disposed below the refrigerant outlet header section in opposition thereto, and a plurality of heat exchange tubes; the refrigerant inflow intermediate header section and the refrigerant outflow intermediate header section communicate with each other; at least one heat exchange tube group including a plurality of heat exchange tubes arranged at intervals along the longitudinal direction of the header sections is disposed between the refrigerant inlet header section and the refrigerant inflow intermediate header section and between the refrigerant outlet header section and the refrigerant outflow intermediate header section, whereby a heat exchanger core section is formed; and opposite end portions of the heat exchange tubes of the heat exchange tube group are connected to the opposed header sections.

1. A fluid supply assembly fluidly connectable to a source of fluid, comprising:
a housing;
a hydraulic assembly supported within the housing, wherein the hydraulic assembly is configured and adapted to pressurize the fluid which is supplied to a fluid supply valve assembly;
a tank assembly supported within the housing for retaining a quantity of pre-conditioned fluid therein; the tank assembly including:
an insulated housing defining a reservoir therein;
a screen disposed within the reservoir for dividing the reservoir into a first chamber and a second chamber;
a pair of first heat sinks extending into the first and second chambers of the reservoir;
a pair of second heat sinks provided on an exterior of the insulated housing: and
peltiers interconnecting the first and second heat sinks within one another: and

a filter assembly supported within the housing and in fluid communication with the hydraulic assembly.
2. The fluid supply assembly according to claim 1, wherein the hydraulic assembly includes:
a support body;
a solenoid shut-off operatively disposed on the support body;
a pressure regulator operatively associated with the solenoid shut-off; and a fluid supply line fluidly connected to the pressure regulator.
3. The fluid supply assembly according to claim 2, further comprising a solenoid filter in fluid communication with the-solenoid shut-off.
4. The fluid supply assembly according to claim 3, further comprising a fan plate assembly operatively associated with the tank assembly and being configured and adapted for maintaining the pre-conditioned fluid contained therein at a relatively low temperature.
5. The fluid supply assembly according to claim 4, wherein the fan plate assembly is operatively associated with the second heat sinks.
6. The fluid supply assembly according to claim 5, wherein the filter assembly includes:
a filter housing;
a sediment filter disposed within the filter housing; and
a carbon-block filter disposed within the housing.
7. The fluid supply assembly according to claim 6, further comprising a display supported on the housing thereof, the display including a plurality of LEDs, and a printed circuit board operatively associated with each LED.
8. The fluid supply assembly according to claim 6 wherein the sediment filter and the carbon-block filter are replaceable.
9. The fluid supply assembly according to claim 6, wherein the sediment filter and the carbon-block filter are automatically replaceable.
10. The fluid supply assembly according to claim 9, further comprising a mechanism for automatically replacing at least one of the sediment filter and the carbon-block filter.
11. The fluid supply assembly according to claim 10, wherein the automatic filter replacement mechanism includes:
a first button actuatable by a user for closing a fluid supply valve which supplies fluid to the filter assembly and for activating a release mechanism which disconnected at least one of the sediment filter and the carbon-block filter from the filter housing; and
a second button actuatable by the user, following replacement of at least one of the sediment filter and the carbon-block filter with at least one new sediment filter and carbon-block filter, which fluidly secures the at least one new sediment filter and carbon-block filter to the filter housing, opens the fluid supply valve which supplies fluid to the filter assembly, and resets a counter which monitors use of the filter assembly and alerts the user when a predetermined threshold level is reached.
12. The fluid supply assembly according to claim 1, wherein the filter assembly is replaceable.
13. The fluid supply assembly according to claim 1, further comprising a mounting bracket for connecting the housing of the fluid supply assembly to a supporting structure.
14. A fluid supply assembly connectable to a source of fluid, comprising:
a housing;
a hydraulic assembly supported within the housing, wherein the hydraulic assembly is configured and adapted to pressurize the fluid which is supplied to the fluid supply valve assembly, the hydraulic assembly including:
a support body;
a solenoid shut-off operatively disposed on the support body;
a pressure regulator operatively associated with the solenoid shut-off;
a fluid supply line fluidly connected to the pressure regulator; and
a solenoid filter in fluid communication with the solenoid shut-off;
a tank assembly supported within the housing for retaining a quantity of pre-conditioned fluid therein, the tank assembly including:
an insulated housing defining a reservoir therein;
a screen disposed within the reservoir for dividing the reservoir into a first chamber and a second chamber;
a pair of first heat sinks extending into the first and second chambers of the reservoir;
a pair of second heat sinks provided on an exterior of the insulated housing; and
peltiers interconnecting the first and second heat sinks within one another;

a filter assembly supported within the housing and in fluid communication with the hydraulic assembly, the filter assembly including:
a filter housing;
a sediment filter disposed within the filter housing; and
a carbon-block filter disposed within the housing;

a fan plate assembly operatively associated with the second heat sinks of the tank assembly and being configured and adapted for maintaining the pre-conditioned fluid contained therein at a relatively low temperature.
15. The fluid supply assembly according to claim 14, further comprising a display supported on the housing thereof, the display including a plurality of LEDs, and a printed circuit board operatively associated with each LED.
16. The fluid supply assembly according to claim 14, wherein the sediment filter and the carbon-block filter are replaceable.
17. The fluid supply assembly according to claim 14, wherein the sediment filter and the carbon-block filter are automatically replaceable.
18. The fluid supply assembly according to claim 17, further comprising a mechanism for automatically replacing at least one of the sediment filter and the carbon-block filter.
19. The fluid supply assembly according to claim 18, wherein the automatic filter replacement mechanism includes:
a first button actuatable by a user for closing a fluid supply valve which supplies fluid to the filter assembly and for activating a release mechanism which disconnected at least one of the sediment filter and the carbon-block filter from the filter housing: and
a second button actuatable by the user, following replacement of at least one of the sediment filter and the carbon-block filter with at least one new sediment filter and carbon-block filter, which fluidly secures the at least one new sediment filter and carbon-block filter to the filter housing, opens the fluid supply valve which supplies fluid to the filter assembly and resets a counter Which monitors use of the filter assembly and alerts the user when a predetermined threshold level is reached.
20. The fluid supply assembly according to claim 14, wherein the filter assembly is replaceable.

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

Claims
1. A form for casting a concrete retaining wall block having a front, a top, a bottom, two sides and a rear, said form including a base, four form sides mounted to pivot relative to said base between closed and open positions, said four form sides forming a cavity having an open top and a closed bottom, said bottom forming the front of a block cast in said cavity, a first of said form sides forming a top of a block cast in said cavity, a second of said form sides forming a bottom of a block cast in said cavity, a third of said form sides forming one side of a block cast in said cavity, and the fourth of said form sides forming the other side of a block cast in said cavity, and a locking mechanism adapted to releasably lock said form sides in said closed position.

2. A form for casting a concrete retaining wall block, as set forth in claim 1, and including a resilient face insert in said cavity supported on said base, said resilient face insert having a surface defining said cavity bottom and adapted to form a front on a retaining wall block cast in said cavity.

3. A form for casting a concrete retaining wall block, as set forth in claim 2, and wherein said resilient face insert surface is configured to impart a predetermined ornamental appearance to the front of a retaining wall block cast in said cavity.

4. A form for casting a concrete retaining wall block, as set forth in claim 1, and including a rail mounted on said base to surrounding said form sides, and wherein said form sides are spaced from said rail when in said closed position and abut said rail when in said open position.

5. A form for casting a concrete retaining wall block, as set forth in claim 1, and wherein said first side includes at least one knob former for forming at least one raised knob on the top surface of a block cast in said cavity.

6. A form for casting a concrete retaining wall block, as set forth in claim 5, and wherein said first side includes two spaced knob formers aligned parallel to and spaced from said cavity bottom, said knob formers forming at least two raised knobs on the top surface of a block cast in said cavity.

7. A form for casting a concrete retaining wall block, as set forth in claim 6, and further including a resilient lift hook recess forming insert mounted on said first side between said knob formers, said lift hook recess forming insert having a groove adapted for engaging and resiliently holding a rod which is to be embedded in a block cast in said form, said lift hook recess forming insert forming a recess in the top of a block cast in said cavity and positioning such rod in such block to extend across such recess.

8. A form for casting a concrete retaining wall block, as set forth in claim 6, and further including a groove former secured to said second side to extend between said third and fourth sides adapted to form a groove extending across the bottom surface of a block cast in said cavity, and wherein said groove former is spaced from said cavity bottom the same distance as said knob formers.

9. A form for casting a concrete retaining wall block, as set forth in claim 1, and further including a minimum fill indicator in said cavity located to indicate a minimum acceptable depth to a block cast in said cavity.

10. A form for casting a concrete retaining wall block, as set forth in claim 9, and wherein said minimum fill indicator comprises a raised ridge in said cavity extending horizontally across at least one of said form sides.

11. A form for casting a concrete retaining wall block, as set forth in claim 1, and further including a resilient lift hook recess forming insert mounted on said first side, said lift hook recess forming insert having a groove adapted for engaging and resiliently holding a rod which is to be embedded in a block cast in said form, said lift hook recess forming insert forming a recess in the top of a block cast in said cavity and positioning such rod in such block to extend across such recess.

12. A form for casting a concrete retaining wall block, as set forth in claim 1, and further including stop members on said first and second form sides located to prevent said third and fourth form sides from pivoting when said form sides are in said closed position, and at least one releasable locking mechanism adapted to extend between and engage said first and second form sides when in said closed position, said locking mechanism preventing said first and second form sides from pivoting when said locking mechanism engages said first and second form sides.

13. A form for casting a concrete retaining wall block, as set forth in claim 12, and wherein said first and second form sides are parallel when in said closed position, and wherein said third and fourth form sides each form an angle of less than 90 to said base in said cavity.

14. A form for casting a concrete retaining wall block, as set forth in claim 2, and wherein said four form sides are mounted to pivot relative to said base from a point below and away from said face insert whereby said sides move away from said face insert when pivoted to the open position whereby any debris on said sides falls away from said face insert.

15. A form for casting a concrete retaining wall block, as set forth in claim 1, and further including a top block insert mounted on said first form side, said top block insert forming a top surface which is recessed below an upper edge of a front of a on a block cast in said form cavity.

16. A form for casting a concrete retaining wall block, as set forth in claim 15, and further including at least one resilient lift hook recess forming insert mounted on said top block insert, said lift hook recess forming insert having a groove adapted for engaging and resiliently holding a rod which is to be embedded in a block cast in said form, said lift hook recess forming insert forming a recess in the top of a block cast in said cavity and positioning such rod in such block to extend across such recess.

17. A form for cast a concrete retaining wall block, as set forth in claim 16, further including a half block insert mounted on said second form side, said half block insert separating said form cavity into two cavities, each of said two cavities being adapted for casting a half width retaining wall block.

18. A form for cast a concrete retaining wall block, as set forth in claim 17, and wherein two resilient lift hook recess forming inserts are mounted on said top block insert, one for forming a recess in the top of a half block cast in each of said two cavities and for positioning a rod in each such block to extend across such recess.

19. A form for cast a concrete retaining wall block, as set forth in claim 2, and further including a half block insert mounted on said second form side, said half block insert separating said form cavity into two cavities, each of said two cavities being adapted for casting a half width retaining wall block, and wherein said face insert has surfaces for forming the front of retaining wall blocks cast in each of said two cavities.

20. A concrete retaining wall block comprising a textured front, a horizontal top, a horizontal bottom, two sides each forming an angle of less than 90 relative to said front, and a rear, two knobs extending from said top, said knobs being spaced apart and having a predetermined spacing from said front, a groove in said bottom having said predetermined spacing from said front, said groove having a size and shape for receiving the knobs on an adjacent lower block in a retaining wall constructed from said block, a recess in said top, and a lift hook embedded in said block to extend across said recess to form a lifting point for said block.

21. A concrete retaining wall block, as set forth in claim 20, and wherein said two knobs are semispherical.

22. A concrete retaining wall block, as set forth in claim 21, and wherein said groove is shaped to facilitate alignment of two retaining wall blocks when stacking one retaining wall block on another retaining wall block.

23. A concrete retaining wall block, as set forth in claim 20, and wherein said two knobs are cylindrical.

24. A concrete retaining wall block, as set forth in claim 20, and further including a lifting loop extending from the rear of said block.

25. A concrete retaining wall block, as set forth in claim 20, and wherein said knobs and said groove have the same predetermined spacing from said front whereby stacked retaining wall blocks have a vertical front.

26. A concrete retaining wall block, as set forth in claim 20, and wherein said knobs have a greater predetermined spacing from said front than said groove whereby stacked retaining wall blocks have a generally sloping front.

27. A method of casting a concrete retaining wall block comprising the steps of:
a) casting a retaining wall block by pouring concrete into a cavity in a form wherein a front face of the block is formed in a bottom of said cavity, a rear of the block is formed at an open top of said cavity, and the top, bottom and sides of the block are formed by sides of said form;
b) opening said form by moving the sides of the cavity away from the cast block while the block remains supported by a portion of the form which forms the front face of the block;
c) lifting the block from said open form.

28. A method of casting a concrete retaining wall block, as set forth in claim 27, and wherein said form is opened by pivoting said form sides on a form base.

29. A method of casting a concrete retaining wall block, as set forth in claim 27, and prior to casting a concrete retaining wall block, securing one or more inserts to said form selected from the group consisting of a face insert, a top block insert, a groove insert, a knob former insert, and a lift hook recess forming insert.

30. A method of casting a concrete retaining wall block, as set forth in claim 27, and further including the step of forming a lifting loop at the rear of the cast block by embedding a rod in the poured concrete before such concrete hardened with a loop of said rod extending from the rear of the block.

31. A form for casting a concrete retaining wall block having a textured front, a top, a bottom, two sides and a rear, said form including a base, four form sides mounted to pivot relative to said base between closed and open positions, said four form sides when in said closed position forming a cavity having an open top, an insert forming a closed bottom to said cavity adapted for forming the textured front of a block cast in said cavity, a first of said form sides forming a top of a block cast in said cavity, a second of said form sides forming a bottom of a block cast in said cavity, a third of said form sides forming one side of a block cast in said cavity, and the fourth of said form sides forming the other side of a block cast in said cavity, and a locking mechanism adapted to releasably lock said form sides in said closed position.

32. A form for casting a concrete retaining wall block having a textured front, a top, a bottom, two sides and a rear, as set forth in claim 31, and wherein said insert is releasably secured at the bottom of said cavity.

33. A form for casting a concrete retaining wall block having a textured front, a top, a bottom, two sides and a rear, as set forth in claim 32, and wherein said insert is releasably secured to said form base.

34. A form for casting a concrete retaining wall block having a textured front, a top, a bottom, two sides and a rear, as set forth in claim 31, and further including a stop for limiting pivotal movement of said form sides when in said open position.