GB902516A - Improvements in or relating to fuel injection pumps - Google Patents

Improvements in or relating to fuel injection pumps

Info

Publication number
GB902516A
GB902516A GB122461A GB122461A GB902516A GB 902516 A GB902516 A GB 902516A GB 122461 A GB122461 A GB 122461A GB 122461 A GB122461 A GB 122461A GB 902516 A GB902516 A GB 902516A
Authority
GB
United Kingdom
Prior art keywords
shuttle
conduit
auxiliary piston
cylinder
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
GB122461A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB902516A publication Critical patent/GB902516A/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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
    • F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
    • F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
    • F02M41/125—Variably-timed valves controlling fuel passages
    • F02M41/127—Variably-timed valves controlling fuel passages valves being fluid-actuated slide-valves, e.g. differential rotary-piston pump

Abstract

902,516. Fuel injection pumps. BESSIERE, P. E. Jan. 11, 1961, No. 1224/61. Class 102(1). A fuel injection pump for at least one injector (not shown) has a delivery regulating shuttle 7, which opens and closes a by-pass conduit 6 connected to the pump cylinder 1, and is operated by an auxiliary piston 10a and a return spring 8, characterized in that the admission of fuel to the auxiliary cylinder 11 through a conduit or conduits 12 is controlled by rotation of the auxiliary piston by the pump camshaft 34 through 32, 33, 30 so that the conduit 12 is closed before the auxiliary piston begins its delivery stroke to the shuttle. The sidewall of the auxiliary piston has at least one groove 20 to admit fuel to the auxiliary cylinder 11 during at least part of the return stroke of the auxiliary piston. The return stroke of the shuttle is braked by a preferably adjustable throttle 18 in a duct 16 feeding back to the cylinder 11, the delivery conduit 13 to the shuttle being closed by a non-return ball valve 13a. The stroke of the shuttle is stopped when the shuttle opens a by-pass conduit 14. The pump delivery conduit 5 is fitted with a similar ball valve 5a.
GB122461A 1961-01-10 1961-01-11 Improvements in or relating to fuel injection pumps Expired GB902516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH28561A CH364142A (en) 1961-01-10 1961-01-10 Internal combustion engine injection pump

Publications (1)

Publication Number Publication Date
GB902516A true GB902516A (en) 1962-08-01

Family

ID=4183496

Family Applications (1)

Application Number Title Priority Date Filing Date
GB122461A Expired GB902516A (en) 1961-01-10 1961-01-11 Improvements in or relating to fuel injection pumps

Country Status (2)

Country Link
CH (1) CH364142A (en)
GB (1) GB902516A (en)

Also Published As

Publication number Publication date
CH364142A (en) 1962-08-31

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