GB235360A - Improvements in or relating to fuel pumps for internal combustion engines - Google Patents

Improvements in or relating to fuel pumps for internal combustion engines

Info

Publication number
GB235360A
GB235360A GB1098224A GB1098224A GB235360A GB 235360 A GB235360 A GB 235360A GB 1098224 A GB1098224 A GB 1098224A GB 1098224 A GB1098224 A GB 1098224A GB 235360 A GB235360 A GB 235360A
Authority
GB
United Kingdom
Prior art keywords
lever
levers
stroke
injection
during
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
GB1098224A
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
Priority to GB1098224A priority Critical patent/GB235360A/en
Publication of GB235360A publication Critical patent/GB235360A/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
    • F02M59/02—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
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Abstract

235,360. Franchetti, A. May 3, 1924. Cam and Lever actuated pumps ; rods ; regulating delivery by by-passes and opening suction valves; single-acting piston pumps; suction reservoirs.-In a fuel pump for internal-combustion engines, the time and duration of.injection are regulated by means of two cams g, h on the piston-actuating lever c, these cams engaging two levers r, s pivoted on two oppositely-disposed eccentrics on a shaft t under governor control. In the full-load position of the governor shown in Figs. 1 and 3, the cam g operates the lever r during the first part of the delivery stroke so that the suction or by-pass p is held open by the lever q. When the lever reaches the lower part of the cam g, the valve p closes and injection begins and continues until the end of the stroke, as the lever s is out of action during this period. In the no-load position of the rod y shown in Fig. 4, the lever r is out of action, injection takes place during the initial part of the stroke, and is cut off by the lever s opening the valve p. At any intermediate position of the rod y, the lever r opens the valve p for a variable period during the first part of the stroke and the lever s opens it for a variable period during the latter part of the stoke. The time and duration of injection may be adjusted also by means of the set screws u in the levers r, s. In another form, the levers r, s are operated by two cams on the shaft b, and the levers may be pivoted on the governor controlled eccentrics or on fixed fulcra the regulation being effected in the latter case by two governor controlled wedges between the levers r, s and the lever q.
GB1098224A 1924-05-03 1924-05-03 Improvements in or relating to fuel pumps for internal combustion engines Expired GB235360A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1098224A GB235360A (en) 1924-05-03 1924-05-03 Improvements in or relating to fuel pumps for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1098224A GB235360A (en) 1924-05-03 1924-05-03 Improvements in or relating to fuel pumps for internal combustion engines

Publications (1)

Publication Number Publication Date
GB235360A true GB235360A (en) 1925-06-18

Family

ID=9977867

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1098224A Expired GB235360A (en) 1924-05-03 1924-05-03 Improvements in or relating to fuel pumps for internal combustion engines

Country Status (1)

Country Link
GB (1) GB235360A (en)

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