EP0210957A3 - A two-stage pumping element for a fuel injection pump, with mechanical governor - Google Patents
A two-stage pumping element for a fuel injection pump, with mechanical governor Download PDFInfo
- Publication number
- EP0210957A3 EP0210957A3 EP86830153A EP86830153A EP0210957A3 EP 0210957 A3 EP0210957 A3 EP 0210957A3 EP 86830153 A EP86830153 A EP 86830153A EP 86830153 A EP86830153 A EP 86830153A EP 0210957 A3 EP0210957 A3 EP 0210957A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel injection
- injection pump
- pumping element
- mechanical governor
- stage pumping
- 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.)
- Withdrawn
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
- F02M45/06—Pumps peculiar thereto
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
The mechanically governed fuel injection pumping el
ement disclosed is embodied with a piston (16) in two stages
(1, 2), and a barrel (15) incorporating a gallery (7) which inter
connects two pressure chambers (3, 4) to the end of producing
a dual injection when the assembly is reciprocated by a
common drive component (17), thereby providing a more
gradual rate of injection. In a preferred embodiment, the two
stages (1, 2) are proportioned such as to dictate the quantity
ratio between the two injections, and the interval of time sep
arating them.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT351485 | 1985-07-30 | ||
IT03514/85A IT1186600B (en) | 1985-07-30 | 1985-07-30 | DOUBLE STAGE PUMP FOR FUEL INJECTION PUMP WITH MECHANICAL REGULATION SYSTEM OF FLOW RATE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0210957A2 EP0210957A2 (en) | 1987-02-04 |
EP0210957A3 true EP0210957A3 (en) | 1988-11-23 |
Family
ID=11108810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86830153A Withdrawn EP0210957A3 (en) | 1985-07-30 | 1986-06-06 | A two-stage pumping element for a fuel injection pump, with mechanical governor |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0210957A3 (en) |
IT (1) | IT1186600B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4029159A1 (en) * | 1990-01-03 | 1991-07-04 | Bosch Gmbh Robert | FUEL INJECTION DEVICE FOR INJECTION COMBUSTION ENGINES |
US5443047A (en) * | 1993-04-09 | 1995-08-22 | Zexel Corporation | Fuel injection system |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE577288C (en) * | 1931-07-12 | 1933-05-29 | Augsburg Nuernberg Akt Ges Mas | Fuel pump |
DE744785C (en) * | 1942-03-03 | 1944-01-25 | Kloeckner Humboldt Deutz Ag | Fuel injection pump for internal combustion engines working with pre-injection |
US2612842A (en) * | 1946-11-13 | 1952-10-07 | Worthington Corp | Fuel injection pump |
FR1163034A (en) * | 1955-08-19 | 1958-09-22 | Bosch Gmbh Robert | Fuel injection pump for diesel or gas-diesel engines |
DE1842137U (en) * | 1959-03-28 | 1961-11-23 | Maschf Augsburg Nuernberg Ag | FUEL PUMP WITH COAXIAL PISTON FOR COMBUSTION MACHINES. |
FR1319117A (en) * | 1962-04-04 | 1963-02-22 | Maschf Augsburg Nuernberg Ag | Coaxial twin piston fuel injection pump |
DE1187857B (en) * | 1961-04-28 | 1965-02-25 | Maschf Augsburg Nuernberg Ag | Fuel injection pump for internal combustion engines with two coaxial pump pistons |
DE1189795B (en) * | 1961-04-29 | 1965-03-25 | Maschf Augsburg Nuernberg Ag | Fuel injection pump for internal combustion engines with two coaxial pump pistons |
DE1198610B (en) * | 1961-09-01 | 1965-08-12 | Linde Eismasch Ag | Fuel injection device for internal combustion piston engines |
GB1198159A (en) * | 1967-06-22 | 1970-07-08 | Bosch Gmbh Robert | Improvements in Fuel Injection Pumps |
GB2028421A (en) * | 1978-08-26 | 1980-03-05 | Daimler Benz Ag | Fuelinjection pump for internal-combustion engines |
-
1985
- 1985-07-30 IT IT03514/85A patent/IT1186600B/en active
-
1986
- 1986-06-06 EP EP86830153A patent/EP0210957A3/en not_active Withdrawn
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE577288C (en) * | 1931-07-12 | 1933-05-29 | Augsburg Nuernberg Akt Ges Mas | Fuel pump |
DE744785C (en) * | 1942-03-03 | 1944-01-25 | Kloeckner Humboldt Deutz Ag | Fuel injection pump for internal combustion engines working with pre-injection |
US2612842A (en) * | 1946-11-13 | 1952-10-07 | Worthington Corp | Fuel injection pump |
FR1163034A (en) * | 1955-08-19 | 1958-09-22 | Bosch Gmbh Robert | Fuel injection pump for diesel or gas-diesel engines |
DE1842137U (en) * | 1959-03-28 | 1961-11-23 | Maschf Augsburg Nuernberg Ag | FUEL PUMP WITH COAXIAL PISTON FOR COMBUSTION MACHINES. |
DE1187857B (en) * | 1961-04-28 | 1965-02-25 | Maschf Augsburg Nuernberg Ag | Fuel injection pump for internal combustion engines with two coaxial pump pistons |
DE1189795B (en) * | 1961-04-29 | 1965-03-25 | Maschf Augsburg Nuernberg Ag | Fuel injection pump for internal combustion engines with two coaxial pump pistons |
DE1198610B (en) * | 1961-09-01 | 1965-08-12 | Linde Eismasch Ag | Fuel injection device for internal combustion piston engines |
FR1319117A (en) * | 1962-04-04 | 1963-02-22 | Maschf Augsburg Nuernberg Ag | Coaxial twin piston fuel injection pump |
GB1198159A (en) * | 1967-06-22 | 1970-07-08 | Bosch Gmbh Robert | Improvements in Fuel Injection Pumps |
GB2028421A (en) * | 1978-08-26 | 1980-03-05 | Daimler Benz Ag | Fuelinjection pump for internal-combustion engines |
Also Published As
Publication number | Publication date |
---|---|
EP0210957A2 (en) | 1987-02-04 |
IT8503514A0 (en) | 1985-07-30 |
IT1186600B (en) | 1987-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB |
|
PUAL | Search report despatched |
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AK | Designated contracting states |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19890524 |