GB650028A - Improvements in fuel injection systems for internal combustion engines - Google Patents
Improvements in fuel injection systems for internal combustion enginesInfo
- Publication number
- GB650028A GB650028A GB136747A GB136747A GB650028A GB 650028 A GB650028 A GB 650028A GB 136747 A GB136747 A GB 136747A GB 136747 A GB136747 A GB 136747A GB 650028 A GB650028 A GB 650028A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- vary
- pump
- fuel
- fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/107—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive pneumatic drive, e.g. crankcase pressure drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
- F02M2700/13—Special devices for making an explosive mixture; Fuel pumps
- F02M2700/1317—Fuel pumpo for internal combustion engines
- F02M2700/1341—Fuel pump driven by the differential pressure of a gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
- F02M2700/13—Special devices for making an explosive mixture; Fuel pumps
- F02M2700/1317—Fuel pumpo for internal combustion engines
- F02M2700/137—Fuel pump with control of fuel outlet of pumping chamber to delivery pipe
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
650,028. Fuel-injection pumps. FRENCH, L. O. Jan. 15, 1947, No. 1367. [Classes 7(iii) and 7 (vi)] [Also in Group XXVIII] The stroke of a fuel injection pump comprising a stationary plunger 33, Fig. 1, surrounded by a piston 18 actuated by the cylinder pressure is controlled by varying the amount of fluid trapped in a hydraulic chamber 19 above the piston. Fuel entering at 14 flows through a passage 35 to the pump pressure chamber 32 for injection through a spring-pressed injector valve 38 when the piston 18 rises, the fuel in the chamber 19 escaping through the port 14 until it is cut off by a control port 40 on the piston which is rotatable to vary the cut-off by means of a member 41 keyed to the piston at 23 and actuated by an arm 44. In a modification for multicylinder engines the control member 41 is dispensed with and each hydraulic chamber 19 is connected to ports 107, Fig. 7, through which fluid escapes in amounts controlled by a notch 112 in a rotating member 110 slidably keyed to an intermediate shaft 113 which is driven from a gear-wheel 118 through an angularly adjustable coupling 116. Longitudinal movement of member 110 by a lever 114 adjusts the notch 111 to vary the amount of fluid escaping from the hydraulic chambers at each pump stroke, and movement of sleeve 116 by a lever 120 adjusts the member 110 angularly to vary the injection timing. In a modification, Fig. 5, the pump plunger 88 is actuated by a cam 101 through a member 103 acting through a spring 105 on a piston 94 moving in the hydraulic chamber 95, the escape of fluid from which through a port 93 is controlled by the device of Fig. 7 to vary the pump stroke.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB136747A GB650028A (en) | 1947-01-15 | 1947-01-15 | Improvements in fuel injection systems for internal combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB136747A GB650028A (en) | 1947-01-15 | 1947-01-15 | Improvements in fuel injection systems for internal combustion engines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB650028A true GB650028A (en) | 1951-02-14 |
Family
ID=9720785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB136747A Expired GB650028A (en) | 1947-01-15 | 1947-01-15 | Improvements in fuel injection systems for internal combustion engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB650028A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2770500A (en) * | 1954-11-24 | 1956-11-13 | Gen Motors Corp | Fuel injection device |
-
1947
- 1947-01-15 GB GB136747A patent/GB650028A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2770500A (en) * | 1954-11-24 | 1956-11-13 | Gen Motors Corp | Fuel injection device |
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