DE800450C - Fuel injection pump for two-stroke engines - Google Patents

Fuel injection pump for two-stroke engines

Info

Publication number
DE800450C
DE800450C DE1948P0008731 DEP0008731D DE800450C DE 800450 C DE800450 C DE 800450C DE 1948P0008731 DE1948P0008731 DE 1948P0008731 DE P0008731 D DEP0008731 D DE P0008731D DE 800450 C DE800450 C DE 800450C
Authority
DE
Germany
Prior art keywords
injection pump
diaphragm
pump according
stroke engines
fuel injection
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
DE1948P0008731
Other languages
German (de)
Inventor
Otto Dr-Ing Lutz
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 DE1948P0008731 priority Critical patent/DE800450C/en
Application granted granted Critical
Publication of DE800450C publication Critical patent/DE800450C/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
    • F02M59/12—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps having other positive-displacement pumping elements, e.g. rotary
    • F02M59/14—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps having other positive-displacement pumping elements, e.g. rotary of elastic-wall 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • 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
    • F02M59/48—Assembling; Disassembling; Replacing
    • 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
    • F02M2700/1323—Controlled diaphragm type fuel pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

© 2400 10.50© 2400 10.50

Claims (5)

Patentansprüche:Patent claims: 1. Membraneinspritzpumpe für Zweitaktmotoren, die vom Überdruck im Kurbelgehäuse betrieben wird, dadurch gekennzeichnet, daß der Pumpenraum durch eine größere (3) und eine kleinere Membran (5) gebildet wird, wolxu der Gasdruck auf die größere Membran (3) wirkt und deren Bewegung durch ein Druckstück (4) auf die kleinere Membran übertragen wird.1. Diaphragm injection pump for two-stroke engines, which is affected by overpressure in the crankcase is operated, characterized in that the pump chamber by a larger (3) and a smaller membrane (5) is formed, wolxu the Gas pressure acts on the larger diaphragm (3) and its movement is caused by a pressure piece (4) is transferred to the smaller membrane. 2. Membraneinspritzpumpe nach Anspruch 1, dadurch gekennzeichnet, daß die kleinere Membran (5) von außen durch eine Feder (7) abgestützt wird.2. Diaphragm injection pump according to claim 1, characterized in that the smaller membrane (5) is supported from the outside by a spring (7). 3. Membraneinspritzpumpe nach Anspruch 1 und 2. dadurch gekennzeichnet, daß die Feder (7) eine einstellbare Kennlinie besitzt.3. Diaphragm injection pump according to claim 1 and 2, characterized in that the spring (7) has an adjustable characteristic. 4. Membraneinspritzpumpe nach Anspruch 1, dadurch gekennzeichnet, daß eine oder beide Membranen aus mehreren dünnen Membranen zusammengesetzt sind.4. Diaphragm injection pump according to claim 1, characterized in that one or both Membranes are composed of several thin membranes. 5. Membraneinspritzpumpe nach Anspruch 1, dadurch gekennzeichnet, daß die Einspannstelle der Membranen wulstförmig ausgeführt ist.5. Diaphragm injection pump according to claim 1, characterized in that the clamping point the membrane is designed in the shape of a bead.
DE1948P0008731 1948-10-02 1948-10-02 Fuel injection pump for two-stroke engines Expired DE800450C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1948P0008731 DE800450C (en) 1948-10-02 1948-10-02 Fuel injection pump for two-stroke engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1948P0008731 DE800450C (en) 1948-10-02 1948-10-02 Fuel injection pump for two-stroke engines

Publications (1)

Publication Number Publication Date
DE800450C true DE800450C (en) 1950-11-06

Family

ID=577584

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1948P0008731 Expired DE800450C (en) 1948-10-02 1948-10-02 Fuel injection pump for two-stroke engines

Country Status (1)

Country Link
DE (1) DE800450C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE830131C (en) * 1950-10-29 1952-01-31 Ignaz Hoffmann Fuel pump for four-stroke engines
EP0013004A1 (en) * 1978-12-29 1980-07-09 HIRO MOTORI S.a.s. di Andrea Mosconi & C. A mixed intake two-stroke engine and reed valve therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE830131C (en) * 1950-10-29 1952-01-31 Ignaz Hoffmann Fuel pump for four-stroke engines
EP0013004A1 (en) * 1978-12-29 1980-07-09 HIRO MOTORI S.a.s. di Andrea Mosconi & C. A mixed intake two-stroke engine and reed valve therefor

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