GB744293A - Improvements in or relating to liquid fuel injection systems - Google Patents

Improvements in or relating to liquid fuel injection systems

Info

Publication number
GB744293A
GB744293A GB28192/50A GB2819250A GB744293A GB 744293 A GB744293 A GB 744293A GB 28192/50 A GB28192/50 A GB 28192/50A GB 2819250 A GB2819250 A GB 2819250A GB 744293 A GB744293 A GB 744293A
Authority
GB
United Kingdom
Prior art keywords
valve
head
casing
passages
delivery
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
Application number
GB28192/50A
Inventor
Wilfred Percival Mansfield
Christopher Hamo Thorny Croft
Teodors Priede
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Internal Combustion Engine Research Institute
Original Assignee
British Internal Combustion Engine Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British Internal Combustion Engine Research Institute filed Critical British Internal Combustion Engine Research Institute
Priority to GB28192/50A priority Critical patent/GB744293A/en
Publication of GB744293A publication Critical patent/GB744293A/en
Expired legal-status Critical Current

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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/462—Delivery valves

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

744,293. Fuel-injection pumps. BRITISH INTERNAL COMBUSTION ENGINE RESEARCH ASSOCIATION. Nov. 12, 1951 [Nov. 17, 1950; Feb. 16, 1951], Nos. 28192/50 and 3793/51. Class 102(1). In a fuel-injection pump in which the delivery is controlled by opening spill passages, drip at the injection nozzle is prevented by forming the delivery valve with an unloading portion e and a head d that co-operates with a portion of the casing to form a dash pot to delay the closing of the valve. Fig. 1 shows a clearance h between the head d and the casing to determine the speed of closing. Alternatively this clearance may be reduced or eliminated and the valve provided with throttle passages connecting either with the delivery pipe or the pump chamber. A non-return valve may be fitted in these passages to reduce or eliminate the effect of the damping during opening of the valve. The character of the damping may be affected by tapering the head d, portion c or casing part in which the head d moves. In a further construction, the dashpot space may be connected by passages in the casing to open into the pump chamber at a point controlled by the piston which is provided with the normal control surfaces.
GB28192/50A 1950-11-17 1950-11-17 Improvements in or relating to liquid fuel injection systems Expired GB744293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB28192/50A GB744293A (en) 1950-11-17 1950-11-17 Improvements in or relating to liquid fuel injection systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28192/50A GB744293A (en) 1950-11-17 1950-11-17 Improvements in or relating to liquid fuel injection systems

Publications (1)

Publication Number Publication Date
GB744293A true GB744293A (en) 1956-02-01

Family

ID=10271748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28192/50A Expired GB744293A (en) 1950-11-17 1950-11-17 Improvements in or relating to liquid fuel injection systems

Country Status (1)

Country Link
GB (1) GB744293A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2343768A1 (en) * 1976-03-11 1977-10-07 Upjohn Co ELASTOMERIC POLYURETHANNES AND COATING COMPOSITIONS CONTAINING THEM
FR2532689A1 (en) * 1982-09-08 1984-03-09 Lucas Ind Plc IC engine fuel injection pump
WO1990002875A1 (en) * 1988-09-09 1990-03-22 Robert Bosch Gmbh Delivery valve
GB2258015A (en) * 1991-07-10 1993-01-27 Bosch Gmbh Robert Delivery valves for fuel-injection pumps.
GB2321935A (en) * 1997-02-08 1998-08-12 Lucas Ind Plc Snubber valve for location in the outlet of a fuel injection pump
CN105464962A (en) * 2014-09-26 2016-04-06 株式会社小金井精机制作所 Diesel fuel pump

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2343768A1 (en) * 1976-03-11 1977-10-07 Upjohn Co ELASTOMERIC POLYURETHANNES AND COATING COMPOSITIONS CONTAINING THEM
FR2532689A1 (en) * 1982-09-08 1984-03-09 Lucas Ind Plc IC engine fuel injection pump
WO1990002875A1 (en) * 1988-09-09 1990-03-22 Robert Bosch Gmbh Delivery valve
GB2258015A (en) * 1991-07-10 1993-01-27 Bosch Gmbh Robert Delivery valves for fuel-injection pumps.
GB2258015B (en) * 1991-07-10 1994-10-19 Bosch Gmbh Robert Delivery valves for fuel-injection pumps
GB2321935A (en) * 1997-02-08 1998-08-12 Lucas Ind Plc Snubber valve for location in the outlet of a fuel injection pump
CN105464962A (en) * 2014-09-26 2016-04-06 株式会社小金井精机制作所 Diesel fuel pump
EP3006734A3 (en) * 2014-09-26 2016-04-27 Koganei Seiki Co., Ltd. Diesel fuel pump

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