EP2614246B1 - Kraftstoffspeicherblock zur prüfung von hochdruckkomponenten von kraftstoffeinspritzeinrichtungen - Google Patents

Kraftstoffspeicherblock zur prüfung von hochdruckkomponenten von kraftstoffeinspritzeinrichtungen Download PDF

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Publication number
EP2614246B1
EP2614246B1 EP11740865.8A EP11740865A EP2614246B1 EP 2614246 B1 EP2614246 B1 EP 2614246B1 EP 11740865 A EP11740865 A EP 11740865A EP 2614246 B1 EP2614246 B1 EP 2614246B1
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EP
European Patent Office
Prior art keywords
cooling
line
test
fuel
block according
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
EP11740865.8A
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German (de)
English (en)
French (fr)
Other versions
EP2614246A1 (de
Inventor
Ralf Stein
Reinhard Hoss
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2614246A1 publication Critical patent/EP2614246A1/de
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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
    • 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
    • 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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating 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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • 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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • F02M65/001—Measuring fuel delivery of a fuel injector
    • 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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • F02M65/002—Measuring fuel delivery of multi-cylinder injection pumps

Definitions

  • the invention relates to a test rail in the form of a fuel storage block according to the preamble of claim 1.
  • test pressures For testing high-pressure components of fuel injectors of motor vehicles such as high-pressure pumps or fuel injectors testing devices are used in motor vehicle workshops, which contain a fuel storage block as a so-called scholarrail.
  • test oil test oil
  • the pressure control valve is surrounded by fuel and thus already generates cooling. However, the majority of the fuel flows through the fuel injectors. If there is an increase or decrease in fuel, its supply is controlled in the supply area of the fuel. As a result, the flow through the pressure regulating valve is limited, so that an explicit cooling is necessary here.
  • Cooling of a fuel storage block used in motor vehicles (common rail) of a fuel injection device is off DE 199 45 436 C1 known.
  • the fuel storage block in addition to the pressure accumulator acting main bore to parallel lines for cooling the fuel storage block, in which a cooling medium circulates.
  • a fuel delivery device with an injector and a housing is in the WO 2004/018862 A1 shown.
  • the sketchrail invention in the form of a fuel storage block with the characterizing features of claim 1 has the advantage that the temperature-critical points, in particular the pressure control valves used in the storage body are exposed to a lower temperature load by the cooling of the storage body, so that their life is increased.
  • the pressure load of the test rail in the form of a fuel storage block is further increased by the cooling of the storage body.
  • Effective cooling of the storage body is achieved when the portion of the cooling line path at least partially surrounds the receptacle for the pressure regulating valve, e.g. meandering or annular, e.g. with a ring channel or with closed, parallel channels.
  • the pressure regulating valve e.g. meandering or annular, e.g. with a ring channel or with closed, parallel channels.
  • a particularly efficient cooling of the storage body can be achieved if the cooling line course extends in at least two superposeddeebenen within the storage body, wherein in the firstdeebenen a first line section of the cooling line course and in the seconddeebene a second line section of the cooling line course is arranged, and wherein both line sections connected via at least one riser.
  • the cooling line course comprises, in addition to the two cooling planes, a distribution plane in which a first distribution line is arranged with an inlet opening for receiving an inlet connection for the cooling medium.
  • a first riser leads into the first cooling level, in which the first line section comprises two further distribution lines.
  • a second riser leads into the second cooling level, in which the second line section comprises two further distribution lines.
  • an output line branches off, which leads to an outlet opening for an outlet connection for connecting the cooling line.
  • the cooling line course can also run over more than two cooling levels within the storage body.
  • FIG. 1 is a storage body 10 with attached thereto add-on components, such as an inlet port 11 and an outlet 12 for connecting a test line 51 shown schematically with arrows for a test medium, eg. As test oil, a further inlet port 16 and a further outlet port 17 for connecting a each schematically illustrated by arrows cooling line 61 for a circulating cooling medium.
  • the storage body 10 serves as scholarrail for testing high-pressure components of fuel injectors of motor vehicles, eg. B. of high pressure pumps or fuel injectors.
  • the storage body 10 are as add-on components further example, three pressure control valves 13 for controlling the test pressure and a pressure sensor 14 for In the storage body 10 are used as add-on components, for example, three pressure control valves 13 for controlling the test pressure and a pressure sensor 14 for detecting the test pressure.
  • On the storage body 10 is still attached as a mounting component a test oil collector 15 flanged into the Pressure control valves 13 downstream outlets for initiating a Abêtmenge the pressure control valves 13 open.
  • the high pressure pump is connected via the test line 51 to the inlet port 11.
  • the outlet 12 is closed.
  • the test oil is hereby guided through the pressure control valve 13 in the test oil collector 15 and from there to the volume flow measurement to a measuring device, not shown.
  • the test line 51 leads via the outlet 12 to an unillustrated distribution rail to which the fuel injectors to be tested is connected.
  • the storage body 10 For inserting the inlet nozzle 11, an inlet nozzle receptacle 21, an outlet nozzle receptacle 22 for inserting the outlet nozzle 12, and a pressure regulating valve receptacle 23 for inserting the pressure regulating valves 13, respectively.
  • the receptacles 21, 22, 23 are integrated in a test line course 20, which according to FIG. 3 a manifold 25 and branch lines 24, wherein the branch lines 24 connect the receptacles 21, 22, 23 with the manifold 25.
  • the manifold 25 is provided on the one hand with an opening 26 for insertion of the pressure sensor 14 and on the opposite side with a further opening 27 for insertion of a blanking plug 28.
  • the collecting line 25 serves as a high-pressure accumulator for the test oil to be stored in the storage body 10.
  • the storage body 10 has according to FIGS. 4 and 5 Furthermore, on an end side, an inlet opening 29 for the further inlet port 16 for the cooling line 61 and at the top according to FIG. 2 an outlet port 31 for the further outlet port 17 for the cooling line 61.
  • the cooling line course 30 comprises a first line section 30.1 in a first cooling level 36, a second line section 30.2 in a second cooling level 42 and an unmarked third line section in a distribution level 19.
  • the cooling line course 30 leads from the inlet opening 29 for the further one Inlet nozzle 16 via a slanted line 32 to a first distribution line 33 in the distribution level 19 leads.
  • At the end of the first distribution line 33 branches off a first riser 34, which leads to the first line section 30.1 in the firstdeebene 36, wherein the firstdeebene 36 through FIG. 5 is pictured.
  • firstdeebene 36 are parallel zueinender running a second distribution line 35 and a third distribution lines 38 and between the Druckregelventilfactn 23 also parallel to each other, for example, three transverse lines 37.
  • Die first riser 34 leads into one of the three transverse lines 37, so that The connection between the first distribution line 33 and the first line section 30.1 in the first cooling level 36 is established via the first riser 34.
  • the second riser 40 leads from the first connecting line 39 in the first.deebene 36 in a second connecting line 41 in the seconddeebene 42.
  • the second riser is designed as a blind hole, which is closed at the intersection with the first distribution line 33 by means of threaded plug 71, 72.
  • the second connecting line 41 leads in the seconddeebene 42 lying to a fourth distribution line 43, from the branch, for example, three further parallel transverse lines 44, leading to a fourth distribution line 44 parallel opposite further connecting line 45.
  • the second connection line 41 runs parallel to the further transverse lines 44.
  • an outlet line 46 branches off at right angles, which leads to the outlet opening 31 for the further outlet connection 17 for connecting the cooling line 61.
  • the cooling line course 30 in the line sections 30.1, 302 meandering or serpentine leads to the receptacles 23 are in the line section 30.1 in the distribution lines 35, 38 threaded plug 75, 78 and in the line section 30.2 in the distribution lines 43, 45 threaded plug 76, 77 used.
  • the cooling line course 30 within the storage body 10 is again in a 3D view in FIG. 3 for a better overview FIG. 7 shown.
  • the cooling line course 30 is designed within the storage body 10 such that the cooling medium is passed through the storage body 10 in, for example, the two parallel superimposedméebenen 36 and 42 by two line sections 30.1 and 30.2 in the vicinity of the receptacles 23 for the pressure control valves 23 ,
  • the cooling line course 30 is executed by bores, which are closed to form the required circulation in the distribution level 19 and the twodeebenen 36, 42 at the through hole with blind plugs.
  • test medium in addition to the mentioned test oil and water, special glycol mixtures or even air conceivable. It is also conceivable, in addition to the cooling line course 30, to also execute the test line course 20 in the vicinity of the receptacles 13 for the pressure control valves 23, as a result of which the test medium realizes additional cooling of the pressure control valves 23.
  • the cooling line course other courses are possible in addition to the described meandering course, even in different number of test planes, such as circular courses, e.g. Ring channels, or courses with several parallel holes.
  • the storage body 10 may also be constructed internally with plates and / or cooling fins to achieve even better efficiency.
  • a cooling with external ribs and blower can also be used in addition.
  • a temperature reduction at the pressure control valve 13 is also possible by the number of pressure control valves 23 used in the storage body 10 is increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP11740865.8A 2010-09-10 2011-07-20 Kraftstoffspeicherblock zur prüfung von hochdruckkomponenten von kraftstoffeinspritzeinrichtungen Active EP2614246B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010040541A DE102010040541A1 (de) 2010-09-10 2010-09-10 Kraftstoffspeicherblock zur Prüfung von Hochdruckkomponenten von Kraftstoffeinspritzeinrichtungen
PCT/EP2011/062433 WO2012031813A1 (de) 2010-09-10 2011-07-20 Kraftstoffspeicherblock zur prüfung von hochdruckkomponenten von kraftstoffeinspritzeinrichtungen

Publications (2)

Publication Number Publication Date
EP2614246A1 EP2614246A1 (de) 2013-07-17
EP2614246B1 true EP2614246B1 (de) 2017-03-01

Family

ID=44510923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11740865.8A Active EP2614246B1 (de) 2010-09-10 2011-07-20 Kraftstoffspeicherblock zur prüfung von hochdruckkomponenten von kraftstoffeinspritzeinrichtungen

Country Status (6)

Country Link
US (1) US9388781B2 (zh)
EP (1) EP2614246B1 (zh)
CN (1) CN103080529B (zh)
BR (1) BR112013005556B1 (zh)
DE (1) DE102010040541A1 (zh)
WO (1) WO2012031813A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010038760A1 (de) * 2010-08-02 2012-02-02 Hochschule Reutlingen Haltevorrichtung für Kraftstoffinjektor
US9097226B2 (en) * 2011-08-03 2015-08-04 Omar Cueto Apparatus for connecting a fuel injector to a test machine
DE102014215646A1 (de) * 2014-08-07 2016-02-11 Robert Bosch Gmbh Vorrichtung und System zur Druckbeaufschlagung eines Fluids und entsprechende Verwendung
DE102015218102A1 (de) * 2015-09-21 2017-03-23 Robert Bosch Gmbh Injektorprüfvorrichtung
DE102015218090A1 (de) * 2015-09-21 2017-03-23 Robert Bosch Gmbh Injektorprüfvorrichtung
CN114060191B (zh) * 2021-11-16 2022-10-21 苏州星波动力科技有限公司 铝合金油轨及其封孔方法和制造方法、发动机、汽车
DE102022202684A1 (de) * 2022-03-18 2023-09-21 Robert Bosch Gesellschaft mit beschränkter Haftung Kompakter Hochdruckspeicher

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Publication number Priority date Publication date Assignee Title
US2859611A (en) * 1955-08-15 1958-11-11 Howard H Morse Testing means for fuel system
GB8303407D0 (en) * 1983-02-08 1983-03-16 Tectron Eng Ltd Fuel injectors
DE3402804A1 (de) * 1983-12-22 1985-07-11 Robert Bosch Gmbh, 7000 Stuttgart Einspritzpumpenpruefstand
US4788858A (en) * 1987-08-04 1988-12-06 Tif Instruments, Inc. Fuel injector testing device and method
AU6828294A (en) * 1993-05-06 1994-12-12 Cummins Engine Company Inc. Distributor for a high pressure fuel system
US6234002B1 (en) * 1997-09-05 2001-05-22 David W. Sisney Apparatus and methods for cleaning and testing fuel injectors
JP2001159380A (ja) * 1999-12-03 2001-06-12 Keihin Corp 燃料噴射装置における燃料分配管
DE19936533A1 (de) * 1999-08-03 2001-02-15 Bosch Gmbh Robert Kraftstoffhochdruckspeicher
DE19945436C1 (de) 1999-09-22 2001-01-18 Siemens Ag Einspritzanlage
AU2002950972A0 (en) * 2002-08-23 2002-09-12 Hunt, James Richard Fuel delivery system
US7228729B1 (en) * 2006-07-26 2007-06-12 Lincoln Industrial Corporation Apparatus and method for testing fuel flow
ATE468481T1 (de) * 2007-07-05 2010-06-15 Magneti Marelli Powertrain Spa Verfahren zur steuerung eines überdruckventils in einem common-rail-kraftstoffversorgungssystem
US7587931B2 (en) * 2008-01-29 2009-09-15 Lincoln Industrial Corporation Apparatus and method for testing fuel flow
JP2009250069A (ja) * 2008-04-02 2009-10-29 Otics Corp 冷却管を備えるフューエルデリバリパイプおよび燃料装置

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
DE102010040541A1 (de) 2012-03-15
BR112013005556A2 (pt) 2016-05-03
EP2614246A1 (de) 2013-07-17
US9388781B2 (en) 2016-07-12
CN103080529A (zh) 2013-05-01
US20130220275A1 (en) 2013-08-29
CN103080529B (zh) 2017-03-08
WO2012031813A1 (de) 2012-03-15
BR112013005556B1 (pt) 2021-01-05

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