GB1191494A - Improvements relating to the Control of Pre-Injection in Fuel-Injection Internal Combustion Engines. - Google Patents

Improvements relating to the Control of Pre-Injection in Fuel-Injection Internal Combustion Engines.

Info

Publication number
GB1191494A
GB1191494A GB40972/67A GB4097267A GB1191494A GB 1191494 A GB1191494 A GB 1191494A GB 40972/67 A GB40972/67 A GB 40972/67A GB 4097267 A GB4097267 A GB 4097267A GB 1191494 A GB1191494 A GB 1191494A
Authority
GB
United Kingdom
Prior art keywords
injection
port
fuel
piston
relief
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
GB40972/67A
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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
Priority claimed from DED46812A external-priority patent/DE1260865B/en
Priority claimed from DED46894A external-priority patent/DE1272634B/en
Application filed by Daimler Benz AG filed Critical Daimler Benz AG
Publication of GB1191494A publication Critical patent/GB1191494A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M45/00Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02Fuel-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

Landscapes

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

Abstract

1,191,494. Fuel injection systems. DAIMLERBENZ A.G. Sept. 7, 1967 [Sept. 8, 1966], No. 40972/67. Heading F1B . The control piston 2 of the parent Specification is modified by forming the upper end 3 thereof as a blocking piston which closes the port 12, connected to the passage 14 leading to the nozzle, in the period between the pre- and main injections. During the initial movement from its upper position the piston forces fuel through port 12 to the nozzle 14 for the pre-injection. When the portion 3 closes the port 12 to terminate preinjection, recess 4 opens a relief port 13 and fuel escapes into a relief chamber 25. On further downward movement, the upper end of the piston reopens port 14 for the main injection. Upward return of the piston 2 is arrested by fine bores 26, 27, which permit slow refilling of the space 9 and relief of pressure in chamber 25. The relief passage 13 may incorporate a non-return valve and space 9 may be refilled through a fuel supply line direct to this space.
GB40972/67A 1965-03-17 1967-09-07 Improvements relating to the Control of Pre-Injection in Fuel-Injection Internal Combustion Engines. Expired GB1191494A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DED46812A DE1260865B (en) 1965-03-17 1965-03-17 Device for controlling the pre-injection
DED46894A DE1272634B (en) 1965-03-25 1965-03-25 Injection device with piston control valve for pre-injection
DED51053A DE1283597B (en) 1965-03-17 1966-09-08 Device for controlling the pre-injection

Publications (1)

Publication Number Publication Date
GB1191494A true GB1191494A (en) 1970-05-13

Family

ID=7053121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40972/67A Expired GB1191494A (en) 1965-03-17 1967-09-07 Improvements relating to the Control of Pre-Injection in Fuel-Injection Internal Combustion Engines.

Country Status (4)

Country Link
US (1) US3438359A (en)
DE (1) DE1283597B (en)
FR (1) FR93440E (en)
GB (1) GB1191494A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833431C2 (en) * 1978-07-29 1987-05-14 Robert Bosch Gmbh, 7000 Stuttgart Fuel injection nozzle for internal combustion engines
DE2834633C2 (en) * 1978-08-08 1987-05-14 Robert Bosch Gmbh, 7000 Stuttgart Device for controlling fuel pre-injection by intermediate relief in a fuel injection system for an internal combustion engine
DE2911447A1 (en) * 1979-03-23 1980-09-25 Daimler Benz Ag CONTROLLING THE FUEL FLOW CONTROL UNIT FOR INJECTION DEVICES IN PARTICULAR AIR COMPRESSING ENGINES
GB8326356D0 (en) * 1983-10-01 1983-11-02 Lucas Ind Plc Fuel injection system
DE3731817A1 (en) * 1987-09-22 1989-03-30 Hatz Motoren FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES
DE3809700A1 (en) * 1988-03-23 1989-10-12 Hatz Motoren FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES WITH PRIMARY AND MAIN INJECTION
DE3907766A1 (en) * 1989-03-10 1990-09-13 Bosch Gmbh Robert STORAGE FUEL INJECTION DEVICE
DE4002557C2 (en) * 1990-01-30 1996-02-01 Orange Gmbh High pressure piston pump
US5462030A (en) * 1994-05-31 1995-10-31 Caterpillar Inc. Encapsulated adjustable rate shaping device for a fuel injection system
US5954029A (en) * 1995-01-25 1999-09-21 Cummins Engine Company, Inc. Unit fuel injector having constant start of injection
MXPA01010277A (en) * 1999-04-19 2003-07-21 Int Engine Intellectual Prop Fuel pressure delay cylinder.
US6227175B1 (en) * 1999-12-27 2001-05-08 Detroit Diesel Corporation Fuel injector assembly having a combined initial injection and a peak injection pressure regulator
US6360727B1 (en) 2000-03-14 2002-03-26 Alfred J. Buescher Reduce initial feed rate injector with fuel storage chamber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2173813A (en) * 1936-10-20 1939-09-19 Bischof Bernhard Fuel injection apparatus
DE1260865B (en) * 1965-03-17 1968-02-08 Daimler Benz Ag Device for controlling the pre-injection
DE1272634B (en) * 1965-03-25 1968-07-11 Daimler Benz Ag Injection device with piston control valve for pre-injection

Also Published As

Publication number Publication date
DE1283597B (en) 1968-11-21
FR93440E (en) 1969-03-28
US3438359A (en) 1969-04-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee