GB898220A - Improvements in self-regulating reciprocating pumps - Google Patents

Improvements in self-regulating reciprocating pumps

Info

Publication number
GB898220A
GB898220A GB78659A GB78659A GB898220A GB 898220 A GB898220 A GB 898220A GB 78659 A GB78659 A GB 78659A GB 78659 A GB78659 A GB 78659A GB 898220 A GB898220 A GB 898220A
Authority
GB
United Kingdom
Prior art keywords
piston
valve
conduit
stroke
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
GB78659A
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 GB898220A publication Critical patent/GB898220A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F04B49/16—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 by adjusting the capacity of dead spaces of working chambers
    • 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
    • F02M59/32—Varying fuel delivery in quantity or timing fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection
    • 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
    • F02M59/34—Varying fuel delivery in quantity or timing by throttling of passages to pumping elements or of overflow passages, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F04B11/0033—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a mechanical spring
    • 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
    • F02M2700/1358—Fuel pump with control of fuel inlet to the pumping chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

898,220. Fuel injection pumps. BESSIERE, P. E. Jan. 8, 1959 [Jan. 21, 1958], No. 786/59. Class 102(1). A fuel injection pump in which a piston 1, driven at a speed proportional to the engine, hydraulically actuates a piston 2 which pumps fuel from the pump chamber 7 to the delivery line 9, the end of the delivery stroke of the piston 2 being determined by a by-pass conduit 13. A third piston 23 integral with the piston 1 delivers liquid past valve 20 to conduit 19 closing the valve 14 in the pump chamber feed conduit 8 during the delivery stroke and also closes a valve 28 in a conduit 21 by liquid delivered through a conduit 29. In operation at the commencement of the delivery stroke of piston 1 the space between the pistons 1 and 2 has been filled with liquid from inlet 6 so that the delivery stroke of piston 2 starts when piston 1 closes the inlet 6, at the same time the valves 14 and 28 are closed by the delivery of piston 23, a notch 32 allowing escape of excess liquid delivered by piston 28. As the piston 1 and 23 commence their suction stroke, valve 28 immediately opens and the liquid acting on valve 14 starts to escape through conduit 19, 21 and throttle 26, thus the opening of valve 14 is delayed and piston 2 under the action of friction or a light spring 12 remains in its upper position until the conduit 8 is opened by the valve 14 and fuel under pressure flows into the pump chamber 7 causing the return of piston 2. When the speed of piston 1 increases above a predetermined value the piston 2 does not complete its return stroke before the piston 1 again actuates the piston and therefore the stroke of the piston 2 and the quantity of fuel delivered is reduced. In a modification the throttle 26 may be replaced by a throttle in the feed conduit 8, thus allowing the valve 14 to open immediately, the throttle controlling the rate of flow to pump chamber 7.
GB78659A 1958-01-21 1959-01-08 Improvements in self-regulating reciprocating pumps Expired GB898220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR756386 1958-01-21

Publications (1)

Publication Number Publication Date
GB898220A true GB898220A (en) 1962-06-06

Family

ID=8705545

Family Applications (2)

Application Number Title Priority Date Filing Date
GB78659A Expired GB898220A (en) 1958-01-21 1959-01-08 Improvements in self-regulating reciprocating pumps
GB3322461A Expired GB898221A (en) 1958-01-21 1959-01-08 Improvements in self-regulating reciprocating pumps

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB3322461A Expired GB898221A (en) 1958-01-21 1959-01-08 Improvements in self-regulating reciprocating pumps

Country Status (2)

Country Link
DE (1) DE1401244A1 (en)
GB (2) GB898220A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1919969C2 (en) * 1969-04-19 1983-10-27 Robert Bosch Gmbh, 7000 Stuttgart Fuel injection pump for internal combustion engines
DE3000960A1 (en) * 1980-01-12 1981-09-10 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES, ESPECIALLY FOR DIESEL ENGINES

Also Published As

Publication number Publication date
GB898221A (en) 1962-06-06
DE1401244A1 (en) 1968-10-03

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