EP2769080B1 - System for the delivery of a fluid - Google Patents

System for the delivery of a fluid Download PDF

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Publication number
EP2769080B1
EP2769080B1 EP12806037.3A EP12806037A EP2769080B1 EP 2769080 B1 EP2769080 B1 EP 2769080B1 EP 12806037 A EP12806037 A EP 12806037A EP 2769080 B1 EP2769080 B1 EP 2769080B1
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EP
European Patent Office
Prior art keywords
fluid
pump
pump body
distributor
combustion engine
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.)
Active
Application number
EP12806037.3A
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German (de)
French (fr)
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EP2769080A1 (en
Inventor
Peter Voigt
Thomas Schmidbauer
Ramkumar VARATHARAJAN
Senthil Kumar SELVARAJ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Automotive GmbH
Original Assignee
Continental Automotive GmbH
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Filing date
Publication date
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Publication of EP2769080A1 publication Critical patent/EP2769080A1/en
Application granted granted Critical
Publication of EP2769080B1 publication Critical patent/EP2769080B1/en
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    • 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
    • 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

Definitions

  • the invention relates to a system for the delivery of a fluid.
  • the fuel is delivered by means of a high pressure pump from a fuel tank to a fuel rail which serves as a storage reservoir for the fuel.
  • the fuel is under high pressure in the fuel rail (or common rail) and can be injected directly into the cylinders via injection valves connected to the rail.
  • US 2 937 636 A discloses a multi-cylinder internal combustion engine comprising a single injection pump which delivers pressurized fuel to a distributor which distributes the fuel to all of the cylinders of the engine.
  • the injection pump and the distributor are connected via a discharge pipe.
  • a multi-cylinder internal combustion engine which comprises a single fuel pump cylinder being connected via a delivery conduit with a chamber to collect pressurized fuel.
  • US 5 577 892 discloses a fuel supply line for supplying high pressure fuel to fuel injection nozzles, wherein a supply conduit is provided from which a plurality of injection pipes lead to the fuel injection nozzles, the supply conduit being connected to the pump body via a high pressure line pipe.
  • EP 2 011 997 A1 discloses a common rail fuel supply system, wherein the common rail is connected with a high pressure pump body via a feed pipe.
  • EP 1 079 100 A2 discloses a high pressure fuel pump having a pump housing in which a pump piston is guided, and further comprising an external manifold to distribute a fuel being pressurized by the piston to a plurality of fuel pipes.
  • a system for the delivery of a fluid comprises a high pressure pump.
  • the high pressure pump comprises a pump body.
  • the high pressure pump further comprises a piston.
  • the piston is axially movable within the pump body and comprises a first part and a second part.
  • the first part is arranged within the pump body and the second part is arranged outside the pump body.
  • the pump body is couplable with a combustion engine such that the second part of the piston extends into the combustion engine.
  • the pump body comprises one single fluid outlet.
  • the system further comprises a fluid distributor that is directly connected with the pump body.
  • the fluid distributor comprises a fluid inlet that is coupled with the fluid outlet of the pump.
  • the distributor is provided with as many fluid outputs as the combustion engine comprises cylinders.
  • the distributor is designed for coupling each fluid output directly with one cylinder of the combustion engine via a pipe.
  • the pump body is couplable with the combustion engine, particularly with an engine block or with a cylinder head of the combustion engine, and when the pump body is coupled with the combustion engine the second part of the piston is arranged such that it is axially movable in an opening of the engine block of the combustion engine.
  • the high pressure pump is a plug-in pump. The high pressure pump is couplable directly in the engine block and mountable with the engine block.
  • the piston is coupled with a roller tappet.
  • the roller tappet is couplable with the cam or crank or balancer shaft of the combustion engine.
  • the cam or crank or balancer shaft is arranged to move the roller tappet and the piston.
  • the roller tappet is in direct contact with the opening of the engine block.
  • the roller tappet slides over the walls of the opening. In the opening in the engine block ensures the axial movement of the roller tappet.
  • the pump body is provided mainly for the guiding of the fluid and not for the guiding of the piston, the high pressure pump is provided with less weight and is very compact. Further, the pump is cost-effective. With the high pressure pump a direct coupling of the pump with injectors for injecting fluid into the combustion chambers is possible.
  • each injector comprises its own fluid delivery path from the pump to the injector. Outside the pump the injectors are hydraulically independent from each other.
  • the fluid distributor surrounds one single fluid inlet and two or three fluid outlets.
  • the fluid inlet and the fluid outlets each are hydraulically coupled with each other.
  • the pump comprises a pressure sensor coupled with the fluid distributor for determining a value of the fluid pressure at the fluid outlets.
  • the pump is arranged to provide a given value for the pressure for the injectors precisely.
  • the pump is coupled upstream with an electrically driven pump.
  • the electrically driven pump is an in-tank pump that is arranged inside a fluid tank.
  • the system comprises no further internal transfer pump.
  • the system is a low-cost and low-weight compact pump system. There is no need for a common rail between the high pressure pump and the injectors.
  • the injectors are fed directly by the pump.
  • the pump is designed such that each injector comprises its own fluid delivery path from the pump to the injector. Outside the pump the injectors are hydraulically independent from each other. Since the high pressure pump and the fluid distributor are separate parts, one layout of the pump is adaptable to different types of combustion engines due to the fluid distributor.
  • Figures 1A and 1B schematically show a system for the delivery of a fluid with a high pressure pump 100 according to an embodiment.
  • the high pressure pump 100 comprises a pump body 101 that surrounds openings for the guiding of fluid.
  • the pump body 101 comprises a fluid inlet 112.
  • the fluid inlet is couplable with an electric pump.
  • the electric pump feeds the fluid to the inlet 112 of the pump body 101.
  • a digital inlet valve 130 is coupled to the pump body 101.
  • a piston 102 is axially movable relative to the pump body 101 in a piston chamber 111. Due to the movement of the piston 102 relative to the pump body 101 fluid is sucked in through the inlet 112 into the pump body 101 and ejected through fluid outlet 122.
  • the piston comprises a first part 103 that is arranged within the pump body 101.
  • the first part 103 is at least partly in contact with the fluid during operation of the pump 100.
  • the piston 102 comprises a second part 104 that is arranged outside the pump body 101.
  • the second part 104 is coupled with a roller tappet 117.
  • the roller tappet 117 is coupled to a drive shaft 127 of a combustion engine.
  • the drive shaft 127 may be a cam or a crank or a balancer shaft for the movement of the roller tappet 117 and the piston 102 axially relative to the pump body 101.
  • the pump body 101 is coupled to an engine block 129 of the combustion engine.
  • the engine block 129 surrounds an opening 128.
  • the roller tappet 117 and the second part 104 of the piston 102 are arranged in the opening 128.
  • the roller tappet 117 is in direct contact with the engine block 129.
  • the roller tappet 117 and the drive shaft 127 are lubricated with engine oil.
  • the pump 100 comprises one single fluid outlet 122 that is directly connected with a fluid distributor 123.
  • the fluid distributor 123 comprises one fluid inlet 124.
  • the fluid distributor 123 comprises as many fluid outlets 105, 106, 107 as the combustion engine comprises cylinders.
  • the fluid distributor 123 comprises one outlet 105.
  • the fluid distributor 123 comprises two fluid outlets 105, 106.
  • the fluid distributor 123 comprises three fluid outlets 105, 106, 107.
  • the fluid distributor 123 comprises more than three fluid outlets 105, 106, 107, for example four or more fluid outlets.
  • Each fluid outlet 105, 106, 107 is connectable to a pipe.
  • Each pipe is coupled with an injector.
  • the pump 100 delivers fluid to the injectors via the fluid distributor 123.
  • the injectors are arranged to inject the fluid into combustion chambers of the combustion engine.
  • One injector of the injectors is arranged in one combustion chamber respectively. There is no common rail between the fluid distributor 123 and the injectors. The injectors each are directly coupled with the fluid distributor 123 via the pipes. The fluid distributor 123 is screwed directly on the pump housing 101 by a coupling nut 126. A coupling connector 125 connects the fluid distributor 123 and the pump housing 101 hydraulically. A pressure sensor 116 is arranged at the fluid distributor 123 for determining the value of the fluid pressure at the fluid outlets 105, 106, 107.
  • Each fluid outlet 105, 106, 107 is connected to a pipe as exemplarily shown for three outputs in Figure 2 .
  • Each pipe 108, 109, 110 is coupled with an injector 113, 114, 115.
  • the pump 100 delivers fluid to the injectors 113, 114, 115.
  • the injectors are arranged to inject the fluid into combustion chambers of the combustion engine.
  • the combustion engine comprises three combustion chambers.
  • One injector of the injectors 113, 114, 115 is arranged in one combustion chamber respectively. There is no common rail between the pump 100 and the injectors 113, 114 and 115.
  • the injectors 113, 114, 115 each are directly coupled with the pump 100 via the pipes 108, 109, 110.
  • the pump 100 comprises a volume control valve for controlling the volume of fluid delivered to the combustion engine.
  • the pump 100 is installed directly in the engine block 129.
  • the roller tappet 117 slides over the walls of the engine block 129 in the opening 128.
  • the opening 128 ensures the axial movement of the roller tappet 117.
  • An internal transfer pump may be replaced by the electric in-tank pump that is hydraulically coupled to the inlet 112 of the pump body 101.
  • the pump 100 comprises a volume control valve for controlling the volume of fluid delivered to the combustion engine.
  • the pump 100 is installed directly in the engine block 129.
  • the roller tappet 117 slides over the walls of the engine block 129 in the opening 128.
  • the opening 128 ensures the axial movement of the roller tappet 117.
  • An internal transfer pump may be replaced by the electric in-tank pump that is hydraulically coupled to the inlet 112 of the pump body 101.
  • the high pressure pump 100 and the distributor 123 form an inseparable assembly in a ready for use state.
  • the high pressure pump 100 is directly integrated with the fluid distributor 123 and thus, a high pressure pipe line connecting between the pump and the distributor can be omitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Description

  • The invention relates to a system for the delivery of a fluid.
  • In today's automotive engine systems, there is an increased demand for low cost, direct injection. In common rail injection systems, the fuel is delivered by means of a high pressure pump from a fuel tank to a fuel rail which serves as a storage reservoir for the fuel. The fuel is under high pressure in the fuel rail (or common rail) and can be injected directly into the cylinders via injection valves connected to the rail.
  • US 2 937 636 A discloses a multi-cylinder internal combustion engine comprising a single injection pump which delivers pressurized fuel to a distributor which distributes the fuel to all of the cylinders of the engine. The injection pump and the distributor are connected via a discharge pipe.
  • In GB 818 197 A a multi-cylinder internal combustion engine is described which comprises a single fuel pump cylinder being connected via a delivery conduit with a chamber to collect pressurized fuel.
  • US 5 577 892 discloses a fuel supply line for supplying high pressure fuel to fuel injection nozzles, wherein a supply conduit is provided from which a plurality of injection pipes lead to the fuel injection nozzles, the supply conduit being connected to the pump body via a high pressure line pipe.
  • EP 2 011 997 A1 discloses a common rail fuel supply system, wherein the common rail is connected with a high pressure pump body via a feed pipe.
  • EP 1 079 100 A2 discloses a high pressure fuel pump having a pump housing in which a pump piston is guided, and further comprising an external manifold to distribute a fuel being pressurized by the piston to a plurality of fuel pipes.
  • It is desirable to provide a system for the delivery of a fluid which is cost-effective.
  • According to an aspect of the invention a system for the delivery of a fluid comprises a high pressure pump. The high pressure pump comprises a pump body. The high pressure pump further comprises a piston. The piston is axially movable within the pump body and comprises a first part and a second part. The first part is arranged within the pump body and the second part is arranged outside the pump body. The pump body is couplable with a combustion engine such that the second part of the piston extends into the combustion engine. The pump body comprises one single fluid outlet.
  • The system further comprises a fluid distributor that is directly connected with the pump body. The fluid distributor comprises a fluid inlet that is coupled with the fluid outlet of the pump. The distributor is provided with as many fluid outputs as the combustion engine comprises cylinders. The distributor is designed for coupling each fluid output directly with one cylinder of the combustion engine via a pipe.
  • The pump body is couplable with the combustion engine, particularly with an engine block or with a cylinder head of the combustion engine, and when the pump body is coupled with the combustion engine the second part of the piston is arranged such that it is axially movable in an opening of the engine block of the combustion engine. The high pressure pump is a plug-in pump. The high pressure pump is couplable directly in the engine block and mountable with the engine block.
  • According to further aspects, the piston is coupled with a roller tappet. The roller tappet is couplable with the cam or crank or balancer shaft of the combustion engine. The cam or crank or balancer shaft is arranged to move the roller tappet and the piston. The roller tappet is in direct contact with the opening of the engine block. The roller tappet slides over the walls of the opening. In the opening in the engine block ensures the axial movement of the roller tappet.
  • Since the pump body is provided mainly for the guiding of the fluid and not for the guiding of the piston, the high pressure pump is provided with less weight and is very compact. Further, the pump is cost-effective. With the high pressure pump a direct coupling of the pump with injectors for injecting fluid into the combustion chambers is possible.
  • There is no common rail arranged hydraulically between the injectors and the pump. The pump is designed such that each injector comprises its own fluid delivery path from the pump to the injector. Outside the pump the injectors are hydraulically independent from each other.
  • According to a further aspect of the invention, the fluid distributor surrounds one single fluid inlet and two or three fluid outlets. The fluid inlet and the fluid outlets each are hydraulically coupled with each other.
  • According to further aspects, the pump comprises a pressure sensor coupled with the fluid distributor for determining a value of the fluid pressure at the fluid outlets. Thus, the pump is arranged to provide a given value for the pressure for the injectors precisely.
  • According to further aspects of the invention the pump is coupled upstream with an electrically driven pump. For example, the electrically driven pump is an in-tank pump that is arranged inside a fluid tank. For example, the system comprises no further internal transfer pump.
  • The system is a low-cost and low-weight compact pump system. There is no need for a common rail between the high pressure pump and the injectors. The injectors are fed directly by the pump. The pump is designed such that each injector comprises its own fluid delivery path from the pump to the injector. Outside the pump the injectors are hydraulically independent from each other. Since the high pressure pump and the fluid distributor are separate parts, one layout of the pump is adaptable to different types of combustion engines due to the fluid distributor.
  • Reference will now be made in detail to the preferred embodiments, examples of which are illustrated in the accompanying drawings. The same elements, elements of the same type and elements having the same effect may be provided with the same reference symbols in the figures.
    • Figures 1A and 1B: schematically show a system for the delivery of a fluid according to an embodiment, and
    • Figure 2: schematically shows a system for the delivery of a fluid according to an embodiment.
  • Figures 1A and 1B schematically show a system for the delivery of a fluid with a high pressure pump 100 according to an embodiment.
  • The high pressure pump 100 comprises a pump body 101 that surrounds openings for the guiding of fluid. The pump body 101 comprises a fluid inlet 112. The fluid inlet is couplable with an electric pump. The electric pump feeds the fluid to the inlet 112 of the pump body 101. A digital inlet valve 130 is coupled to the pump body 101.
  • A piston 102 is axially movable relative to the pump body 101 in a piston chamber 111. Due to the movement of the piston 102 relative to the pump body 101 fluid is sucked in through the inlet 112 into the pump body 101 and ejected through fluid outlet 122.
  • The piston comprises a first part 103 that is arranged within the pump body 101. The first part 103 is at least partly in contact with the fluid during operation of the pump 100. The piston 102 comprises a second part 104 that is arranged outside the pump body 101.
  • The second part 104 is coupled with a roller tappet 117. The roller tappet 117 is coupled to a drive shaft 127 of a combustion engine. The drive shaft 127 may be a cam or a crank or a balancer shaft for the movement of the roller tappet 117 and the piston 102 axially relative to the pump body 101.
  • The pump body 101 is coupled to an engine block 129 of the combustion engine. The engine block 129 surrounds an opening 128. The roller tappet 117 and the second part 104 of the piston 102 are arranged in the opening 128. The roller tappet 117 is in direct contact with the engine block 129. The roller tappet 117 and the drive shaft 127 are lubricated with engine oil.
  • The pump 100 comprises one single fluid outlet 122 that is directly connected with a fluid distributor 123. The fluid distributor 123 comprises one fluid inlet 124. The fluid distributor 123 comprises as many fluid outlets 105, 106, 107 as the combustion engine comprises cylinders. For example, the fluid distributor 123 comprises one outlet 105. According to further aspects the fluid distributor 123 comprises two fluid outlets 105, 106. According to further aspects, the fluid distributor 123 comprises three fluid outlets 105, 106, 107. According to further aspects, the fluid distributor 123 comprises more than three fluid outlets 105, 106, 107, for example four or more fluid outlets.
  • Each fluid outlet 105, 106, 107 is connectable to a pipe. Each pipe is coupled with an injector. The pump 100 delivers fluid to the injectors via the fluid distributor 123. The injectors are arranged to inject the fluid into combustion chambers of the combustion engine.
  • One injector of the injectors is arranged in one combustion chamber respectively. There is no common rail between the fluid distributor 123 and the injectors. The injectors each are directly coupled with the fluid distributor 123 via the pipes. The fluid distributor 123 is screwed directly on the pump housing 101 by a coupling nut 126. A coupling connector 125 connects the
    fluid distributor 123 and the pump housing 101 hydraulically. A pressure sensor 116 is arranged at the fluid distributor 123 for determining the value of the fluid pressure at the fluid outlets 105, 106, 107.
  • Each fluid outlet 105, 106, 107 is connected to a pipe as exemplarily shown for three outputs in Figure 2. Each pipe 108, 109, 110 is coupled with an injector 113, 114, 115. The pump 100 delivers fluid to the injectors 113, 114, 115. The injectors are arranged to inject the fluid into combustion chambers of the combustion engine. In the example of Figure 2 the combustion engine comprises three combustion chambers.
  • One injector of the injectors 113, 114, 115 is arranged in one combustion chamber respectively. There is no common rail between the pump 100 and the injectors 113, 114 and 115. The injectors 113, 114, 115 each are directly coupled with the pump 100 via the pipes 108, 109, 110.
  • According to further aspects, the pump 100 comprises a volume control valve for controlling the volume of fluid delivered to the combustion engine.
  • The pump 100 is installed directly in the engine block 129. The roller tappet 117 slides over the walls of the engine block 129 in the opening 128. The opening 128 ensures the axial movement of the roller tappet 117. Thus, a lighter and compact system for the delivery of the fluid is provided. Since there is no need for a common rail, the system is cost-effective. An internal transfer pump may be replaced by the electric in-tank pump that is hydraulically coupled to the inlet 112 of the pump body 101.
  • According to further aspects, the pump 100 comprises a volume control valve for controlling the volume of fluid delivered to the combustion engine.
  • The pump 100 is installed directly in the engine block 129. The roller tappet 117 slides over the walls of the engine block 129 in the opening 128. The opening 128 ensures the axial movement of the roller tappet 117. Thus, a lighter and compact system for the delivery of the fluid is provided. Since there is no need for a common rail, the system is cost-effective. An internal transfer pump may be replaced by the electric in-tank pump that is hydraulically coupled to the inlet 112 of the pump body 101. The high pressure pump 100 and the distributor 123 form an inseparable assembly in a ready for use state. The high pressure pump 100 is directly integrated with the fluid distributor 123 and thus, a high pressure pipe line connecting between the pump and the distributor can be omitted.

Claims (3)

  1. System for the delivery of a fluid, comprising:
    - a high pressure pump (100) being formed as a plug-in pump, comprising
    - a pump body (101),
    - a piston (102), the piston being axially movable within the pump body (101) and comprising a first part (103) arranged within the pump body (101) and a second part (104) arranged outside the pump body (101), the pump body (101) not being provided for guiding of the piston (102),
    - wherein the pump body (101) is couplable with a combustion engine, such that the second part (104) of the piston (102) extends into the combustion engine, and wherein
    - the pump body (101) comprises one single fluid outlet (122), the system further comprising
    - a fluid distributor (123) directly connected with the pump body (102), the distributor comprising a fluid inlet (124), the fluid inlet (124) being screwed on the fluid outlet (122) of the pump (100) via a coupling connector (125) and a coupling nut (126), the distributor (123) further being provided with as many fluid outputs (105, 106, 107) as the combustion engine comprises cylinders, wherein
    - the distributor (123) is designed for coupling each fluid output (105, 106, 107) directly with an injector for the respective cylinder of the combustion engine via an own pipe (108, 109, 110) of each injector without a common rail being hydraulically arranged between the injectors and the high pressure pump (100).
  2. System according to claim 1, wherein the pump body (101) and the distributor (123) are separate parts.
  3. System according to one of claims 1 or 2, comprising:
    - a pressure sensor (116) coupled with the distributor (123) for determining a value of the fluid pressure at the fluid outputs (105, 106, 107).
EP12806037.3A 2011-12-30 2012-12-18 System for the delivery of a fluid Active EP2769080B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3890DE2011 2011-12-30
PCT/EP2012/075885 WO2013098114A1 (en) 2011-12-30 2012-12-18 System for the delivery of a fluid

Publications (2)

Publication Number Publication Date
EP2769080A1 EP2769080A1 (en) 2014-08-27
EP2769080B1 true EP2769080B1 (en) 2016-11-16

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EP12806037.3A Active EP2769080B1 (en) 2011-12-30 2012-12-18 System for the delivery of a fluid

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EP (1) EP2769080B1 (en)
KR (1) KR101967700B1 (en)
WO (1) WO2013098114A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2719887A1 (en) * 2012-10-12 2014-04-16 Continental Automotive GmbH A fuel injection pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1079100A2 (en) * 1999-08-27 2001-02-28 Delphi Technologies, Inc. Connector arrangement

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
BE554051A (en) * 1956-01-31
US2937636A (en) * 1957-03-30 1960-05-24 Bosch Gmbh Robert Fuel supply system for multi-cylinder internal combustion engines
DE4227853C2 (en) * 1992-08-22 1996-05-30 Bosch Gmbh Robert Fuel injection pump for internal combustion engines
JPH06159179A (en) * 1992-11-24 1994-06-07 Kloeckner Humboldt Deutz Ag Internal combustion engine
US5577892A (en) * 1993-11-26 1996-11-26 Mercedes Benz Ag Method of injecting fuel including delayed magnetic spill valve actuation
JP2860519B2 (en) * 1993-11-30 1999-02-24 株式会社クボタ Engine stop device for diesel engine
DE19508445B4 (en) * 1995-03-09 2004-07-08 Deutz Ag Fuel injection device for a self-igniting internal combustion engine
ATE468481T1 (en) * 2007-07-05 2010-06-15 Magneti Marelli Powertrain Spa METHOD FOR CONTROLLING A RELIEF VALVE IN A COMMON RAIL FUEL SUPPLY SYSTEM
WO2010075904A1 (en) * 2008-12-05 2010-07-08 Gm Global Technology Operations, Inc. Fuel injection apparatus for internal combustion engines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1079100A2 (en) * 1999-08-27 2001-02-28 Delphi Technologies, Inc. Connector arrangement

Also Published As

Publication number Publication date
EP2769080A1 (en) 2014-08-27
KR20140108589A (en) 2014-09-11
WO2013098114A1 (en) 2013-07-04
KR101967700B1 (en) 2019-04-10

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