EP1152146B1 - 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
EP1152146B1
EP1152146B1 EP01109829A EP01109829A EP1152146B1 EP 1152146 B1 EP1152146 B1 EP 1152146B1 EP 01109829 A EP01109829 A EP 01109829A EP 01109829 A EP01109829 A EP 01109829A EP 1152146 B1 EP1152146 B1 EP 1152146B1
Authority
EP
European Patent Office
Prior art keywords
injection
pump
assembly
injection pump
engine block
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 - Lifetime
Application number
EP01109829A
Other languages
German (de)
English (en)
Other versions
EP1152146A3 (fr
EP1152146A2 (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 a motor, wherein a cylinder head with at least one injection nozzle recess for receiving an injection nozzle on a Engine block with at least one injection pump recess for Recording of an injection pump is attached, and the Injector recess and the single point pump recess when the cylinder head has been attached to the engine block, at least are aligned substantially parallel, and then a Injection assembly with at least one injector, a Injection pump and an injection line for connecting the Injector with the injection pump to the cylinder block and the engine block is mounted, the injection nozzle and the Injection pump each having a longitudinal axis, which are arranged at least substantially parallel to each other.
  • EP-A-0 543 301 shows an internal combustion engine with a Injection pump element which is stiff to the Overall stiffness of the injector to increase.
  • the present invention overcomes the mentioned disadvantages, by at least the injection pump, the Connecting pipe and 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 calibrated internally to a proper one Show injection behavior, and on fuel output and Leakages are tested. All injection assemblies that Have leaks or fuel output outside of a given range can be disassembled and corrected.
  • the injection assembly then becomes attached to the engine or the injection internal combustion engine, by the injector and the injection pump at the same time or at least substantially simultaneously in the cylinder head or the engine block are used.
  • the entire injection assembly without subsequent adjustments or changes are incorporated. This reduces the Installation costs, deviation in output values of the internal combustion engine as well as the probability of leaks.
  • One Another advantage is that the manufacturer of Injection pumps and nozzles within a shortened time Feedback on occurring production deviations or receives errors. This is possible because the manufacturer has the entire Injection assembly before shipping to one Engine manufacturers can test, rather than until the assembly of the individual components in an internal combustion engine or a motor to wait until then to make a statement about mistakes made to the Injection pumps or nozzles to get, if the entire Internal combustion engine has been tested.
  • a further simplification results, albeit one Cam follower, with the cam of a camshaft of the engine can interact, integrated into the injection assembly is provided. This can be with a camshaft of the engine and be connected to the injection pump such that the Injection pump as a function of the position of the camshaft is pressed.
  • each cylinder of the internal combustion engine or the engine associated with an injection pump it is also conceivable that several cylinders a common injection pump exhibit.
  • an injection assembly according to present invention and generally designated 10.
  • the injection assembly includes an injection pump 12, a Cam follower 14, an injection line 16 and an injection nozzle 18 on.
  • the nozzle axis and the pump axis are to each other aligned parallel to the injection assembly 10 to allow in an injection internal combustion engine or a Engine as described below, to be installed.
  • the injection pump 12 is a conventional pump, which has a fuel inlet 20 having.
  • the inner piston of the pump is with a radial Control arm 22 is connected, which has a pin 24 which connected to a control rod.
  • the control rod will moved by a drive controller to 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 at the Camshaft 34, as shown in Fig. 2, attacks. Of the Cam 32 causes an upward stroke of the Pump piston.
  • the pump outlet is connected to the injection line 16 via a Threaded coupling 36 connected.
  • the opposite end of the Injection line 16 is integral with a housing 38 of FIG Injector 18 connected.
  • the injection line 16 with the injection nozzle 18 via another Thread coupling be connected.
  • the injection nozzle 18 ends in a tip 40, the fuel into a combustion chamber supplies.
  • the injection assembly 10 is, as shown in Fig. 1, before installing the components in the engine block 52 or Cylinder head 52 assembled to a subassembly.
  • the injection assembly 10 is opened Leakages and checked for its fuel output and internally calibrated to get a correct injection control. All injection assemblies 10 with leaks or Leaks or one outside the specified range lying fuel output are disassembled and corrected.
  • the injection assembly 10 is then in a Engine mounted after the cylinder head 50 on the engine block 52 by a plurality of screws 54 in the usual way and Way was fastened.
  • the cylinder head 50 is with a Injector bore or recess 56 equipped, the Injector 18 of the injection assembly 10 receives.
  • the engine block 52 has a Injection pump bore or recess 58 on which the Injection pump 12 receives.
  • the injection pump recess 58 and the injector recess 56 are parallel to each other aligned.
  • the injection assembly 10 is in the engine or the Injection engine by a simultaneous insertion the injection pump 12 in the injection pump recess 58 and the injection nozzle 18 in the injection nozzle recess 56th assembled.
  • the injection pump 12 passes through a recess 60 in the cylinder head 50 and in the pump bore 58 of the Engine block 52.
  • a fork-shaped nozzle holder or a first Fastener 62 secures the injector 18 to the Cylinder head 50.
  • a threaded bolt 64 is in one with a Threaded recess 65 in the cylinder head 50th used.
  • a fork-shaped pump holder or a second attachment means 66 in the engine block 52 held by a threaded bolt 68 in an opening 70 to to secure the injection pump 12 to the engine block 52.
  • the second attachment means 66 engages an upper one horizontal surface 74 of the injection pump 12 at.
  • the camshaft 34 Before installing the injection assembly 10 is the Camshaft 34 in the engine block 52 via an opening 76 at an end of the engine block 52 introduced.
  • the camshaft 34 is disposed below the injection pump 12, so that the Cam follower 14 can attack her.
  • the camshaft 34 has a hump for each injection assembly of each cylinder or cam on.
  • a use of an injection assembly 10 according to the The present invention is made possible by the fact that the Injector recess 56 and the injection pump recess 58 are arranged parallel to each other, so that the one another connected injection pump 12 and the injection nozzle 18th 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 installation time and costs to reduce.
  • the injection assembly reduces Differences in fuel output and the likelihood 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)

Claims (8)

  1. Procédé de montage d'un moteur, dans lequel une culasse (50), comportant au moins un évidement pour injecteur (56) destiné à recevoir un injecteur (18), est montée sur le bloc-moteur (52) comportant au moins un évidement pour pompe d'injection (58) destiné à recevoir une pompe d'injection (12), et lorsque la culasse (50) est montée sur le bloc-moteur (52), l'évidement pour injecteur (56) et l'évidement pour pompe d'injection (58) sont orientés au moins sensiblement parallèlement, et ensuite, un système d'injection (10), comportant au moins un injecteur (18), une pompe d'injection (12) et une conduite d'injection (16) destinée à relier l'injecteur (18) avec la pompe d'injection (12), est monté sur la culasse (50) et le bloc-moteur (52), l'injecteur (18) et la pompe d'injection (12) comportant respectivement un axe longitudinal, qui sont disposés au moins sensiblement parallèlement l'un à l'autre, caractérisé en ce qu'au moins la pompe d'injection (12), la conduite d'injection (16) et l'injecteur (18), conjointement sous forme de système d'injection (70) pré-assemblé avant le montage, sont mis en place au moins sensiblement simultanément dans les évidements (56, 58) correspondants.
  2. Procédé selon la revendication 1, dans lequel le système d'injection (10) comporte un suiveur de cames (14).
  3. Procédé selon la revendication 1 ou 2, dans lequel l'injecteur (18) est fixé sur la culasse (50) par l'intermédiaire d'un premier moyen de fixation (62) et/ou la pompe d'injection (12) est fixée sur le bloc-moteur (52) par l'intermédiaire d'un deuxième moyen de fixation (66).
  4. Procédé selon la revendication 3, caractérisé en ce que le premier et le deuxième moyen de fixation (62, 66) sont maintenus par des boulons filetés (64, 68) dans les évidements (60, 66), qui sont ménagés respectivement dans la culasse (50) et le bloc-moteur (52) parallèlement à l'évidement pour injecteur (56) et à l'évidement pour pompe d'injection (58).
  5. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que l'étanchéité du système d'injection (10) est contrôlée avant la mise en place de celui-ci.
  6. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que le système d'injection (10) est calibré avant la mise en place, en particulier pour obtenir une distribution de carburant souhaitée.
  7. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'un arbre à cames (34) est monté dans le bloc-moteur (52) avant la mise en place du système d'injection (10).
  8. Système d'injection (10) comportant une pompe d'injection (12), un injecteur (18) et au moins une conduite d'injection (16), destiné en particulier à être utilisé dans un procédé selon une ou plusieurs des revendications précédentes, dans lequel l'injecteur (18) et la pompe d'injection (12) comportent respectivement un axe longitudinal, qui sont disposés au moins sensiblement parallèlement l'un à l'autre.
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
US563691 2000-05-03
US09/563,691 US6321724B1 (en) 2000-05-03 2000-05-03 Engine with integrated unit pump injector and method of making the same

Publications (3)

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

Family Cites Families (7)

* 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
DE4138290A1 (de) * 1991-11-21 1993-05-27 Kloeckner Humboldt Deutz Ag Brennkraftmaschine
DE4212255C2 (de) * 1992-04-11 1996-12-19 Daimler Benz Ag Anordnung einer Kraftstoff-Einspritzvorrichtung am Gehäuse einer Brennkraftmaschine
US6745465B1 (en) * 1994-05-11 2004-06-08 Caterpillar Inc Method for assembling an apparatus, such as a fuel injector, using select fit of dimensional control features
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
US6439204B1 (en) * 1999-08-19 2002-08-27 Stanadyne Corporation Timing advance piston for unit pump or unit injector and method thereof

Also Published As

Publication number Publication date
AU3897401A (en) 2001-11-08
ATE303510T1 (de) 2005-09-15
US6321724B1 (en) 2001-11-27
CA2342821A1 (fr) 2001-11-03
BR0101666A (pt) 2001-12-26
EP1152146A3 (fr) 2004-01-28
EP1152146A2 (fr) 2001-11-07
DE50107247D1 (de) 2005-10-06
AU775218B2 (en) 2004-07-22
JP2001355532A (ja) 2001-12-26
CA2342821C (fr) 2004-10-12

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