GB742848A - Improvements in diesel engine injection pumps - Google Patents

Improvements in diesel engine injection pumps

Info

Publication number
GB742848A
GB742848A GB2910053A GB2910053A GB742848A GB 742848 A GB742848 A GB 742848A GB 2910053 A GB2910053 A GB 2910053A GB 2910053 A GB2910053 A GB 2910053A GB 742848 A GB742848 A GB 742848A
Authority
GB
United Kingdom
Prior art keywords
fuel
valve
delivery
injection pumps
pump
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
GB2910053A
Inventor
James Robertson Duff
Nigel Colin Eiloart
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.)
Porn & Dunwoody Ltd
Original Assignee
Porn & Dunwoody Ltd
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 Porn & Dunwoody Ltd filed Critical Porn & Dunwoody Ltd
Priority to GB2910053A priority Critical patent/GB742848A/en
Publication of GB742848A publication Critical patent/GB742848A/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
    • F02M59/20—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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • 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
    • F02M2700/1364—Fuel pump controlled by means of a fuel return valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Abstract

742,848. Fuel-injection pumps. PORN & DUNWOODY, Ltd. Oct. 21, 1954, [Oct. 21, 1953], No. 29100/53. Class 102(1). In a fuel-injection pump, the delivery is controlled by opening a spring loaded by-pass valve 10, during the latter part of the delivery stroke, by a push rod 20 actuated by a lever 22 mounted on an adjustable fulcrum 24 and the fuel by-passed flows through passages 14, 16 to a closed vessel 18 provided with an air buffer, flexible wall etc. During the next suction stroke, the fuel returns through valve 10 to the pump cylinder. The pump has a suction valve 8 and a delivery valve as described in Specification 742,847 to prevent drip at the injector.
GB2910053A 1953-10-21 1953-10-21 Improvements in diesel engine injection pumps Expired GB742848A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2910053A GB742848A (en) 1953-10-21 1953-10-21 Improvements in diesel engine injection pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2910053A GB742848A (en) 1953-10-21 1953-10-21 Improvements in diesel engine injection pumps

Publications (1)

Publication Number Publication Date
GB742848A true GB742848A (en) 1956-01-04

Family

ID=10286143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2910053A Expired GB742848A (en) 1953-10-21 1953-10-21 Improvements in diesel engine injection pumps

Country Status (1)

Country Link
GB (1) GB742848A (en)

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