EP1152146A2 - Procédé d'assemblage d'un moteur et système d'injection - Google Patents

Procédé d'assemblage d'un moteur et système d'injection Download PDF

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Publication number
EP1152146A2
EP1152146A2 EP01109829A EP01109829A EP1152146A2 EP 1152146 A2 EP1152146 A2 EP 1152146A2 EP 01109829 A EP01109829 A EP 01109829A EP 01109829 A EP01109829 A EP 01109829A EP 1152146 A2 EP1152146 A2 EP 1152146A2
Authority
EP
European Patent Office
Prior art keywords
injection
pump
recess
assembly
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.)
Granted
Application number
EP01109829A
Other languages
German (de)
English (en)
Other versions
EP1152146A3 (fr
EP1152146B1 (fr
Inventor
Richard Edward Winsor
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.)
Deere and Co
Original Assignee
Deere and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Publication of EP1152146A2 publication Critical patent/EP1152146A2/fr
Publication of EP1152146A3 publication Critical patent/EP1152146A3/fr
Application granted granted Critical
Publication of EP1152146B1 publication Critical patent/EP1152146B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/242—Arrangement of spark plugs or 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
    • 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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/48—Assembling; Disassembling; Replacing
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors

Definitions

  • the invention relates to a method for assembling an engine, wherein a cylinder head with at least one Injection nozzle recess for receiving an injection nozzle an engine block with at least one injection pump recess is attached to hold an injection pump, as well as a Injection assembly with one injection pump, one Injection nozzle and at least one connecting line, particularly suitable for use in such Method.
  • Known drives or engines often have injection pumps, Injection lines and injectors, which as individual components are attached to the engine.
  • Such Arrangement can, for example, the document "SAE Technical Paper Series 881285 - The New B / FL 1011 A Diesel Engine Family from DEUTZ with Integrated Cooling System ". Tolerance differences of the components can be too significant Differences in fuel delivery result.
  • the Injection timing is determined by the engine block is measured and the pump attachment by inserting Washers is calibrated. If the connections of the Injection line faulty or not tight enough fuel leaks can occur.
  • the problem underlying the invention is seen in that a leak check and calibration of the supplied by the injection pump and the injector Fuel quantity only after all components have been installed in the Engine is possible. If there are any leaks or the Fuel output is not within a desired one Area is essentially a disassembly of the Engine necessary to correct the injection pump or to get the injector.
  • the present invention overcomes the disadvantages mentioned by at least the injection pump, the Connection line and the injector together as one Integrated injection assembly before the actual installation of these assemblies in the engine block or cylinder head be pre-assembled.
  • This uniform injector assembly can be internally calibrated to a correct one To show injection behavior, and on fuel delivery and Leaks are tested. All injection assemblies that Have leaks or fuel delivery that is outside within a predetermined range can be disassembled and be corrected. The injection assembly will then come on attached to the engine or the injection engine, by the injector and the injection pump at the same time or at least essentially simultaneously in the cylinder head or the engine block.
  • the simultaneous installation of the injector and the Injection pump as a unit is favored when the Cutouts for receiving the injection pump and the Injection nozzle at least substantially parallel to each other are arranged. In this way, a jamming or Jamming of the individual assemblies, especially with one at least essentially rigid connection of the injection pump counteracted with the injector.
  • the entire injection assembly without subsequent settings changes. This reduces the Assembly costs, deviation in output values of the internal combustion engine and the likelihood of leakage.
  • the manufacturer of the Injection pumps and nozzles within a reduced time Feedback about manufacturing deviations or - receives error. This is possible because the manufacturer does the whole Injection assembly before shipping to one Engine manufacturers can test instead of assembling the individual components in an internal combustion engine or an engine to wait until a statement about errors to the Get injection pumps or nozzles when the entire Internal combustion engine has been tested.
  • Cam follower with the cam of an engine camshaft can interact, integrated in the injection assembly is provided. This can be done with a camshaft of the engine and be connected to the injection pump such that the Injection pump depending on the position of the camshaft is operated.
  • an injection assembly corresponding to the shown present invention and generally designated 10.
  • the injection assembly has an injection pump 12, one Cam follower 14, an injection line 16 and an injection nozzle 18 on.
  • the nozzle axis and the pump axis are mutually aligned in parallel to the injection assembly 10 enable in an injection engine or Engine as described below.
  • the injection pump 12 is a conventional pump which has a fuel inlet 20 having.
  • the inner piston of the pump is radial Control arm 22 connected, which has a pin 24 which is connected to a control rod.
  • the control rod will moved by a controller to close the pump piston turn to the amount of fuel per stroke of the Pump piston is supplied to vary.
  • the cam follower 14 has a roller 30 which on a cam 32 on the Camshaft 34, as shown in Fig. 2, attacks.
  • the Cam 32 causes an upward stroke of the Pump piston.
  • the pump outlet is connected to the injection line 16 Threaded coupling 36 connected.
  • the opposite end of the Injection line 16 is integral with a housing 38 of the Injector 18 connected.
  • the injector 18 ends in a tip 40 that fuel into a combustion chamber supplies.
  • the injection assembly 10 opens Leaks and checked for its fuel output and internally calibrated to get correct injection control. All injection assemblies 10 with leaks or Leaks or one outside the specified range fuel dispensing are disassembled and corrected.
  • the injection assembly 10 is then one Engine mounted after the cylinder head 50 on the engine block 52 by a plurality of screws 54 in the usual manner and Way was attached.
  • the cylinder head 50 is with a Injection nozzle bore or recess 56 equipped, the Injector 18 of the injection assembly 10 receives.
  • engine block 52 has one Injection pump bore or recess 58, which the Injection pump 12 picks up.
  • the injection pump recess 58 and the injector recess 56 are parallel to each other aligned.
  • the injection assembly 10 is in the engine Injection internal combustion engine by simultaneous insertion the injection pump 12 into the injection pump recess 58 and the injector 18 into the injector recess 56 assembled.
  • the injection pump 12 passes through a recess 60 in the cylinder head 50 and in the pump bore 58 of the Engine blocks 52.
  • a fork-shaped nozzle holder or a first one Fastening means 62 secures the injection nozzle 18 to the Cylinder head 50.
  • a threaded bolt 64 is in one with a Threaded recess 65 in the cylinder head 50 used.
  • a fork-shaped pump holder or a second fastening means 66 in the engine block 52 held in an opening 70 by a threaded bolt 68 secure the injection pump 12 to the engine block 52.
  • the second fastener 66 engages an upper one horizontal surface 74 of the injection pump 12.
  • the Camshaft 34 Before installing the injection assembly 10, the Camshaft 34 in the engine block 52 via an opening 76 introduced one end of the engine block 52.
  • the camshaft 34 is arranged below the injection pump 12 so that Cam follower 14 can attack her.
  • the camshaft 34 has one hump for each injection assembly of each cylinder or cams on.
  • an injection assembly 10 is possible in that the Injector recess 56 and the injection pump recess 58 are arranged parallel to each other so that the each other connected injection pump 12 and the injector 18 at the same time, as an assembly, in the cylinder head 50 and the engine block 52 can be used.
  • the Injection assembly and the manufacturing or assembly process make it possible to increase the assembly time and costs to reduce.
  • the injection assembly reduces Differences in fuel delivery and likelihood of leaks / leaks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
EP01109829A 2000-05-03 2001-04-21 Procédé d'assemblage d'un moteur et système d'injection Expired - Lifetime EP1152146B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/563,691 US6321724B1 (en) 2000-05-03 2000-05-03 Engine with integrated unit pump injector and method of making the same
US563691 2000-05-03

Publications (3)

Publication Number Publication Date
EP1152146A2 true EP1152146A2 (fr) 2001-11-07
EP1152146A3 EP1152146A3 (fr) 2004-01-28
EP1152146B1 EP1152146B1 (fr) 2005-08-31

Family

ID=24251521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01109829A Expired - Lifetime EP1152146B1 (fr) 2000-05-03 2001-04-21 Procédé d'assemblage d'un moteur et système d'injection

Country Status (8)

Country Link
US (1) US6321724B1 (fr)
EP (1) EP1152146B1 (fr)
JP (1) JP2001355532A (fr)
AT (1) ATE303510T1 (fr)
AU (1) AU775218B2 (fr)
BR (1) BR0101666A (fr)
CA (1) CA2342821C (fr)
DE (1) DE50107247D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007040265A (ja) * 2005-08-05 2007-02-15 Denso Corp 燃料噴射装置の製造方法
US20080230036A1 (en) * 2007-03-23 2008-09-25 Bauman William D Roller actuator for a mechanical fuel pump
US7568461B1 (en) * 2008-06-20 2009-08-04 Gm Global Technology Operations, Inc. Tappet roller end shape for improved lubrication and combination with fuel pump and engine
GB2534397A (en) * 2015-01-22 2016-07-27 Gm Global Tech Operations Unit pump for use in a combustion engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543301A1 (fr) * 1991-11-21 1993-05-26 Klöckner-Humboldt-Deutz Aktiengesellschaft Moteur à combustion interne
DE19517374A1 (de) * 1994-05-11 1995-11-16 Caterpillar Inc Verfahren zum Zusammenbau einer Vorrichtung, wie beispielsweise einer Brennstoffeinspritzvorrichtung, unter Verwendung von Auswahlpassung von Dimensions- bzw. Abmessungssteuermerkmalen
WO2001014728A1 (fr) * 1999-08-19 2001-03-01 Stanadyne Automotive Corp. Piston d'avance d'injection pour pompe d'injection de carburant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1991586A (en) * 1933-12-21 1935-02-19 Continental Motors Corp Engine
DE4212255C2 (de) * 1992-04-11 1996-12-19 Daimler Benz Ag Anordnung einer Kraftstoff-Einspritzvorrichtung am Gehäuse einer Brennkraftmaschine
DE19600565C1 (de) * 1996-01-09 1997-08-21 Daimler Benz Ag Kraftstofführung im Zylindergehäuse einer Brennkraftmaschine
US6026786A (en) * 1997-07-18 2000-02-22 Caterpillar Inc. Method and apparatus for controlling a fuel injector assembly of an internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543301A1 (fr) * 1991-11-21 1993-05-26 Klöckner-Humboldt-Deutz Aktiengesellschaft Moteur à combustion interne
DE19517374A1 (de) * 1994-05-11 1995-11-16 Caterpillar Inc Verfahren zum Zusammenbau einer Vorrichtung, wie beispielsweise einer Brennstoffeinspritzvorrichtung, unter Verwendung von Auswahlpassung von Dimensions- bzw. Abmessungssteuermerkmalen
WO2001014728A1 (fr) * 1999-08-19 2001-03-01 Stanadyne Automotive Corp. Piston d'avance d'injection pour pompe d'injection de carburant

Also Published As

Publication number Publication date
CA2342821A1 (fr) 2001-11-03
AU3897401A (en) 2001-11-08
DE50107247D1 (de) 2005-10-06
CA2342821C (fr) 2004-10-12
EP1152146A3 (fr) 2004-01-28
JP2001355532A (ja) 2001-12-26
ATE303510T1 (de) 2005-09-15
US6321724B1 (en) 2001-11-27
BR0101666A (pt) 2001-12-26
EP1152146B1 (fr) 2005-08-31
AU775218B2 (en) 2004-07-22

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