GB2394001B - Injection system operating with pressure intensification - Google Patents
Injection system operating with pressure intensificationInfo
- Publication number
- GB2394001B GB2394001B GB0327911A GB0327911A GB2394001B GB 2394001 B GB2394001 B GB 2394001B GB 0327911 A GB0327911 A GB 0327911A GB 0327911 A GB0327911 A GB 0327911A GB 2394001 B GB2394001 B GB 2394001B
- Authority
- GB
- United Kingdom
- Prior art keywords
- injection system
- system operating
- pressure intensification
- intensification
- pressure
- 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 - Fee Related
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
- 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
- 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
-
- 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
- F02M45/12—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship providing a continuous cyclic delivery with variable pressure
-
- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/025—Hydraulically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
-
- 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
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10158951A DE10158951A1 (en) | 2001-12-03 | 2001-12-03 | Fuel Injection system for IC engine, operates with pressure conversion, has connection from control chamber and admission chamber to return line passing via common valve connection |
GB0227444A GB2384821B (en) | 2001-12-03 | 2002-11-25 | Injection system operating with pressure intensification |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0327911D0 GB0327911D0 (en) | 2004-01-07 |
GB2394001A GB2394001A (en) | 2004-04-14 |
GB2394001B true GB2394001B (en) | 2004-06-16 |
Family
ID=31995030
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0327914A Expired - Fee Related GB2394002B (en) | 2001-12-03 | 2002-11-25 | Injection system operating with pressure intensification |
GB0327911A Expired - Fee Related GB2394001B (en) | 2001-12-03 | 2002-11-25 | Injection system operating with pressure intensification |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0327914A Expired - Fee Related GB2394002B (en) | 2001-12-03 | 2002-11-25 | Injection system operating with pressure intensification |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2394002B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2871197B1 (en) * | 2004-06-04 | 2006-07-28 | Renault V I Sa | PUMP INJECTOR |
DE102005030220A1 (en) * | 2005-06-29 | 2007-01-04 | Robert Bosch Gmbh | Injector with switchable pressure intensifier |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4069800A (en) * | 1975-01-24 | 1978-01-24 | Diesel Kiki Co., Ltd. | Fuel injection apparatus |
DE19951005A1 (en) * | 1999-10-22 | 2001-04-26 | Bosch Gmbh Robert | Fuel injection unit for motor vehicle engines ha valve unit with two valves operated by piezoactor via common hydraulic chamber |
DE19952512A1 (en) * | 1999-10-30 | 2001-05-10 | Bosch Gmbh Robert | Pressure booster and fuel injection system with a pressure booster |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19910970A1 (en) * | 1999-03-12 | 2000-09-28 | Bosch Gmbh Robert | Fuel injector |
DE10063545C1 (en) * | 2000-12-20 | 2002-08-01 | Bosch Gmbh Robert | Fuel injection system |
-
2002
- 2002-11-25 GB GB0327914A patent/GB2394002B/en not_active Expired - Fee Related
- 2002-11-25 GB GB0327911A patent/GB2394001B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4069800A (en) * | 1975-01-24 | 1978-01-24 | Diesel Kiki Co., Ltd. | Fuel injection apparatus |
DE19951005A1 (en) * | 1999-10-22 | 2001-04-26 | Bosch Gmbh Robert | Fuel injection unit for motor vehicle engines ha valve unit with two valves operated by piezoactor via common hydraulic chamber |
DE19952512A1 (en) * | 1999-10-30 | 2001-05-10 | Bosch Gmbh Robert | Pressure booster and fuel injection system with a pressure booster |
Also Published As
Publication number | Publication date |
---|---|
GB0327914D0 (en) | 2004-01-07 |
GB2394002A (en) | 2004-04-14 |
GB2394002B (en) | 2004-06-16 |
GB2394001A (en) | 2004-04-14 |
GB0327911D0 (en) | 2004-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20161125 |