GB1490084A - Liquid fuel injection pumping apparatus - Google Patents
Liquid fuel injection pumping apparatusInfo
- Publication number
- GB1490084A GB1490084A GB12023/74A GB1202374A GB1490084A GB 1490084 A GB1490084 A GB 1490084A GB 12023/74 A GB12023/74 A GB 12023/74A GB 1202374 A GB1202374 A GB 1202374A GB 1490084 A GB1490084 A GB 1490084A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fuel injection
- liquid fuel
- stack
- march
- pumping apparatus
- 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
Links
- 239000000446 fuel Substances 0.000 title abstract 2
- 238000002347 injection Methods 0.000 title abstract 2
- 239000007924 injection Substances 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 title abstract 2
- 238000005086 pumping Methods 0.000 title 1
- 239000013078 crystal Substances 0.000 abstract 3
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
- F02D1/02—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
- F02D1/08—Transmission of control impulse to pump control, e.g. with power drive or power assistance
- F02D1/12—Transmission of control impulse to pump control, e.g. with power drive or power assistance non-mechanical, e.g. hydraulic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/406—Electrically controlling a diesel injection pump
- F02D41/407—Electrically controlling a diesel injection pump of the in-line type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
1490084 Valves CAV Ltd 7 March 1974 [19 March 1974] 12023/74 Heading F2V [Also in Division G3] A pilot valve 17 in a fuel injection system is controlled by a stack of piezo-electric crystals 22 receiving an electric speed error signal. In the arrangement shown the crystal stack is attached to a piston 20 sealed by a diaphragm to form the transmitter of a liquid telemotor, the receiver thereof being formed by the smaller diameter valve spool 17. In a modification (Fig. 2, not shown) the crystal stack 22 acts directly on a valve plunger (30). A mechanical amplifier may increase the plunger movement.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12023/74A GB1490084A (en) | 1974-03-19 | 1974-03-19 | Liquid fuel injection pumping apparatus |
JP50031911A JPS50128017A (en) | 1974-03-19 | 1975-03-18 | |
ES435745A ES435745A1 (en) | 1974-03-19 | 1975-03-18 | Liquid fuel injection pumping apparatus |
FR7508406A FR2264979B1 (en) | 1974-03-19 | 1975-03-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12023/74A GB1490084A (en) | 1974-03-19 | 1974-03-19 | Liquid fuel injection pumping apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1490084A true GB1490084A (en) | 1977-10-26 |
Family
ID=9997013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12023/74A Expired GB1490084A (en) | 1974-03-19 | 1974-03-19 | Liquid fuel injection pumping apparatus |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS50128017A (en) |
ES (1) | ES435745A1 (en) |
FR (1) | FR2264979B1 (en) |
GB (1) | GB1490084A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3135494A1 (en) * | 1981-09-08 | 1983-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | "FUEL INJECTION SYSTEM" |
FR2567577B1 (en) * | 1984-07-12 | 1989-03-03 | Cav Roto Diesel | IMPROVEMENTS ON FUEL INJECTION PUMPS FOR INTERNAL COMBUSTION ENGINES |
JPH0733766B2 (en) * | 1988-08-30 | 1995-04-12 | トヨタ自動車株式会社 | Combustion chamber of internal combustion engine |
-
1974
- 1974-03-19 GB GB12023/74A patent/GB1490084A/en not_active Expired
-
1975
- 1975-03-18 FR FR7508406A patent/FR2264979B1/fr not_active Expired
- 1975-03-18 ES ES435745A patent/ES435745A1/en not_active Expired
- 1975-03-18 JP JP50031911A patent/JPS50128017A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS50128017A (en) | 1975-10-08 |
ES435745A1 (en) | 1977-01-01 |
FR2264979A1 (en) | 1975-10-17 |
FR2264979B1 (en) | 1980-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |