ATE398236T1 - PRESSURE VIBRATION DAMPER FOR THE FUEL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE - Google Patents
PRESSURE VIBRATION DAMPER FOR THE FUEL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINEInfo
- Publication number
- ATE398236T1 ATE398236T1 AT05799433T AT05799433T ATE398236T1 AT E398236 T1 ATE398236 T1 AT E398236T1 AT 05799433 T AT05799433 T AT 05799433T AT 05799433 T AT05799433 T AT 05799433T AT E398236 T1 ATE398236 T1 AT E398236T1
- Authority
- AT
- Austria
- Prior art keywords
- fuel injection
- injection system
- volume
- intermediate piece
- combustion engine
- Prior art date
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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
-
- 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
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
- F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
- F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
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)
Abstract
A pressure vibration dampener (10) for an internal combustion engine fuel injection system (1) comprising a body part (101) delimiting inside it a volume (102), in which dampener the volume of the body part is provided with a movably arranged intermediate piece (103), the body part further comprising a first opening (104) through which the volume can be connected to the fuel injection system, the first opening being arranged to open into the volume into the first side of the intermediate piece, and a spring arrangement being arranged into the volume into the other side of the intermediate piece, the side being on the opposite side of the first side in relation to the intermediate piece, one end of the spring arrangement (107) being supported on the intermediate piece and the other end by the body part. According to the invention, the spring rate of the spring arrangement (107) decreases as the compression travel increases.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20045410A FI119445B (en) | 2004-10-29 | 2004-10-29 | Vibration dampener for internal combustion engine fuel supply system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE398236T1 true ATE398236T1 (en) | 2008-07-15 |
Family
ID=33306128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05799433T ATE398236T1 (en) | 2004-10-29 | 2005-10-26 | PRESSURE VIBRATION DAMPER FOR THE FUEL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1805411B1 (en) |
KR (1) | KR101132026B1 (en) |
CN (1) | CN101094982B (en) |
AT (1) | ATE398236T1 (en) |
DE (1) | DE602005007512D1 (en) |
FI (1) | FI119445B (en) |
WO (1) | WO2006045902A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007038539A1 (en) * | 2007-08-16 | 2009-02-19 | Robert Bosch Gmbh | High-pressure fuel pump |
CN101949346A (en) * | 2010-09-29 | 2011-01-19 | 沪东重机有限公司 | Oil pump buffer packsack for low-speed diesel engine |
KR101424994B1 (en) * | 2012-04-27 | 2014-07-31 | 황병찬 | Pulsation Reducer by Combination Spring |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05149209A (en) * | 1991-11-27 | 1993-06-15 | Nippondenso Co Ltd | Fuel injection device |
US5505181A (en) * | 1995-02-13 | 1996-04-09 | Siemens Automotive Corporation | Integral pressure damper |
DE69636487T2 (en) * | 1995-09-01 | 2007-05-03 | Corixa Corp. CSC, Wilmington | Compositions for immunotherapy and diagnosis of tuberculosis |
US5845621A (en) | 1997-06-19 | 1998-12-08 | Siemens Automotive Corporation | Bellows pressure pulsation damper |
US5934251A (en) | 1998-05-15 | 1999-08-10 | Siemens Automotive Corporation | Fuel system damper with vacuum bias |
DE19942855A1 (en) * | 1999-09-08 | 2001-03-22 | Bosch Gmbh Robert | High pressure fuel accumulator |
DE10148220A1 (en) * | 2001-09-28 | 2003-04-17 | Bosch Gmbh Robert | Device for damping pressure pulsations in a fluid system, in particular in a fuel system of an internal combustion engine, and fuel system |
DE10261417A1 (en) * | 2002-12-30 | 2004-07-08 | Robert Bosch Gmbh | Hydraulic high-pressure accumulator |
-
2004
- 2004-10-29 FI FI20045410A patent/FI119445B/en not_active IP Right Cessation
-
2005
- 2005-10-26 CN CN2005800452737A patent/CN101094982B/en active Active
- 2005-10-26 WO PCT/FI2005/050378 patent/WO2006045902A1/en active IP Right Grant
- 2005-10-26 KR KR1020077011984A patent/KR101132026B1/en active IP Right Grant
- 2005-10-26 AT AT05799433T patent/ATE398236T1/en not_active IP Right Cessation
- 2005-10-26 EP EP05799433A patent/EP1805411B1/en active Active
- 2005-10-26 DE DE602005007512T patent/DE602005007512D1/en active Active
Also Published As
Publication number | Publication date |
---|---|
FI119445B (en) | 2008-11-14 |
CN101094982B (en) | 2011-06-08 |
KR101132026B1 (en) | 2012-04-02 |
DE602005007512D1 (en) | 2008-07-24 |
FI20045410A0 (en) | 2004-10-29 |
FI20045410A (en) | 2006-04-30 |
EP1805411B1 (en) | 2008-06-11 |
WO2006045902A1 (en) | 2006-05-04 |
CN101094982A (en) | 2007-12-26 |
KR20070070249A (en) | 2007-07-03 |
EP1805411A1 (en) | 2007-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |