GB431114A - Improvements in fuel injection valves for internal combustion engines - Google Patents

Improvements in fuel injection valves for internal combustion engines

Info

Publication number
GB431114A
GB431114A GB3575134A GB3575134A GB431114A GB 431114 A GB431114 A GB 431114A GB 3575134 A GB3575134 A GB 3575134A GB 3575134 A GB3575134 A GB 3575134A GB 431114 A GB431114 A GB 431114A
Authority
GB
United Kingdom
Prior art keywords
fuel
spindle
spring
valve
stop
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
GB3575134A
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 GB3575134A priority Critical patent/GB431114A/en
Publication of GB431114A publication Critical patent/GB431114A/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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve 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
    • 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
    • F02M2700/07—Nozzles and injectors with controllable fuel supply
    • F02M2700/074—Injection valve actuated by fuel pressure for pressurised fuel supply

Abstract

431,114. Liquid - fuel injectors. JENSEN, A. C., 15, Nitivej, Frederiksberg, Copenhagen. Dec. 13, 1934, No. 35751. [Class 7 (iii)] Liquid fuel is supplied by a pump through a passage 20, Fig. 1, to a chamber 22 beneath a piston 21, which it raises, compressing springs 14, 6 until the former lifts the valve spindle 3 to open the injection orifices 4. As the pump pressure falls the springs 14, 6 expand, depressing the piston 21 and forcing the fuel out of the chamber 22 through passages 27 in the spindle 3. The tension of the spring 14 is regulated by adjusting a nut 25 on a rod 12 bearing on the spindle 3, and the upward movement of the valve is limited by a stop 9. The spring 14 bears against a stationary abutment 8 which surrounds the stop 9 and is connected to a ring 35 having projections 36, which may be slid up and down a screw surface 41 to adjust the tension of the spring by rotating a ring 45 carrying a scale. Fuel leakage is led away through a pipe 17, and a spring-pressed safety valve 24, which also acts as an air escape valve, is provided in the housing 1. In a modified construction, Fig. 4, the stop 9 is formed integral with the abutment 8, and the fuel is led through helical passages 30 to the chamber 22, and through helical passages 23 in the spindle 3 to the orifices 4.
GB3575134A 1934-12-13 1934-12-13 Improvements in fuel injection valves for internal combustion engines Expired GB431114A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3575134A GB431114A (en) 1934-12-13 1934-12-13 Improvements in fuel injection valves for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3575134A GB431114A (en) 1934-12-13 1934-12-13 Improvements in fuel injection valves for internal combustion engines

Publications (1)

Publication Number Publication Date
GB431114A true GB431114A (en) 1935-07-01

Family

ID=10381171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3575134A Expired GB431114A (en) 1934-12-13 1934-12-13 Improvements in fuel injection valves for internal combustion engines

Country Status (1)

Country Link
GB (1) GB431114A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030258A1 (en) * 1979-12-05 1981-06-17 Robert Bosch Gmbh Fuel-injection nozzle for internal-combustion engines
GB2142972A (en) * 1983-07-09 1985-01-30 Lucas Ind Plc Fuel injection nozzles for internal combustion engines
CN105240179A (en) * 2015-10-23 2016-01-13 无锡惠发特精密机械有限公司 Oil injector of diesel engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030258A1 (en) * 1979-12-05 1981-06-17 Robert Bosch Gmbh Fuel-injection nozzle for internal-combustion engines
GB2142972A (en) * 1983-07-09 1985-01-30 Lucas Ind Plc Fuel injection nozzles for internal combustion engines
CN105240179A (en) * 2015-10-23 2016-01-13 无锡惠发特精密机械有限公司 Oil injector of diesel engine

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