EP0055083A3 - Fuel injection pump - Google Patents
Fuel injection pump Download PDFInfo
- Publication number
- EP0055083A3 EP0055083A3 EP81305926A EP81305926A EP0055083A3 EP 0055083 A3 EP0055083 A3 EP 0055083A3 EP 81305926 A EP81305926 A EP 81305926A EP 81305926 A EP81305926 A EP 81305926A EP 0055083 A3 EP0055083 A3 EP 0055083A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel injection
- injection pump
- solenoid
- plunger
- actuated
- 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- Withdrawn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
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
- F02M41/02—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor being spaced from pumping elements
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/04—Pumps 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
- 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
- F02M59/10—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 characterised by the piston-drive
- F02M59/105—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 characterised by the piston-drive hydraulic drive
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
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
An electromagnetically actuated fuel injection pump has a
primary plunger (12) operated by a solenoid (10), and a boost
er plunger (14) actuated by fuel pressure to supplement the
force of the solenoid (10) and thereby permit the use of a
smaller solenoid.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21910980A | 1980-12-22 | 1980-12-22 | |
US219109 | 1980-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0055083A2 EP0055083A2 (en) | 1982-06-30 |
EP0055083A3 true EP0055083A3 (en) | 1983-09-21 |
Family
ID=22817920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81305926A Withdrawn EP0055083A3 (en) | 1980-12-22 | 1981-12-17 | Fuel injection pump |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0055083A3 (en) |
JP (1) | JPS57110767A (en) |
CA (1) | CA1175289A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7072144B2 (en) | 2002-05-07 | 2006-07-04 | Hitachi Global Storage Technologies Netherlands B.V. | Damping of vertical and offtrack dynamic modes gain at the slider in a disc drive |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2157496A5 (en) * | 1971-10-15 | 1973-06-01 | Cav Ltd | |
DE2306875A1 (en) * | 1973-02-13 | 1974-08-15 | Bosch Gmbh Robert | ELECTROMAGNETIC DOSING PUMP |
DE2356335A1 (en) * | 1973-11-10 | 1975-05-15 | Bach & Co | I.C. engine fuel injector system - has disc shaped magnetic coil to repel aluminium disc |
EP0003179A2 (en) * | 1978-01-16 | 1979-07-25 | Combustion Research & Technology, Inc. | A fluid injector and pressure amplifier |
DE2809122A1 (en) * | 1978-03-03 | 1979-09-06 | Bosch Gmbh Robert | High precision IC engine fuel injector - has cooler in fuel line at injector with solenoid actuator |
GB2048371A (en) * | 1979-05-11 | 1980-12-10 | Lucas Industries Ltd | Fuel injection systems |
GB2049031A (en) * | 1979-05-12 | 1980-12-17 | Lucas Industries Ltd | Fuel injection systems |
-
1981
- 1981-11-04 JP JP17702381A patent/JPS57110767A/en active Granted
- 1981-12-17 EP EP81305926A patent/EP0055083A3/en not_active Withdrawn
- 1981-12-18 CA CA000392726A patent/CA1175289A/en not_active Expired
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2157496A5 (en) * | 1971-10-15 | 1973-06-01 | Cav Ltd | |
DE2306875A1 (en) * | 1973-02-13 | 1974-08-15 | Bosch Gmbh Robert | ELECTROMAGNETIC DOSING PUMP |
DE2356335A1 (en) * | 1973-11-10 | 1975-05-15 | Bach & Co | I.C. engine fuel injector system - has disc shaped magnetic coil to repel aluminium disc |
EP0003179A2 (en) * | 1978-01-16 | 1979-07-25 | Combustion Research & Technology, Inc. | A fluid injector and pressure amplifier |
DE2809122A1 (en) * | 1978-03-03 | 1979-09-06 | Bosch Gmbh Robert | High precision IC engine fuel injector - has cooler in fuel line at injector with solenoid actuator |
GB2048371A (en) * | 1979-05-11 | 1980-12-10 | Lucas Industries Ltd | Fuel injection systems |
GB2049031A (en) * | 1979-05-12 | 1980-12-17 | Lucas Industries Ltd | Fuel injection systems |
Also Published As
Publication number | Publication date |
---|---|
CA1175289A (en) | 1984-10-02 |
JPS57110767A (en) | 1982-07-09 |
JPH021975B2 (en) | 1990-01-16 |
EP0055083A2 (en) | 1982-06-30 |
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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 |
Designated state(s): DE FR GB |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB |
|
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: 19840522 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SCHECHTER, MICHAEL MOSES |