EP2614246A1 - Kraftstoffspeicherblock zur prüfung von hochdruckkomponenten von kraftstoffeinspritzeinrichtungen - Google Patents
Kraftstoffspeicherblock zur prüfung von hochdruckkomponenten von kraftstoffeinspritzeinrichtungenInfo
- Publication number
- EP2614246A1 EP2614246A1 EP11740865.8A EP11740865A EP2614246A1 EP 2614246 A1 EP2614246 A1 EP 2614246A1 EP 11740865 A EP11740865 A EP 11740865A EP 2614246 A1 EP2614246 A1 EP 2614246A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- line
- cooling
- storage block
- fuel storage
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 46
- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000002347 injection Methods 0.000 title claims abstract description 4
- 239000007924 injection Substances 0.000 title claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 239000002826 coolant Substances 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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 fuel storage block according to the preamble of claim 1.
- Temperatures occur in the test track. These temperatures are caused by the compression of the test medium (test oil) of up to 250 MPa and by the friction occurring at the pressure regulating valves acting as throttles and by the heating by the electromagnetic switching valve of the pressure regulating valve.
- test medium 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 control valve is limited, so here is an explicit
- Cooling of a fuel storage block used in motor vehicles (common rail) of a fuel injection device is known from DE 199 45 436 Cl.
- 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.
- it is provided to also guide the leakage leading back from the fuel injector through a leakage line guided through the high-pressure accumulator block, so that the leakage also cools the fuel accumulator block.
- the fuel storage block according to the invention with the characterizing features of claim 1 has the advantage that by the cooling of the storage body, the temperature-critical points, in particular in the
- 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 levels, a distribution level in which a first distribution line with an inlet opening to the
- Receiving an inlet nozzle for the cooling medium is arranged. From the first distribution line, a first riser leads into the first cooling level, in which the first line section comprises two further distribution lines. From the first line section, 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.
- Pressure control valves wherein arranged in adeebene distribution lines and arranged in adeebene transverse lines each parallel to each other.
- Figure 1 is a side view of a fuel storage block with
- FIG. 2 is a plan view of a storage body of the fuel storage block without add-on components
- FIG. 3 shows a section through the storage body along the line III / III in FIG. 2
- FIG. 4 shows a section through the storage body along the line IV / IV in FIG. 2
- FIG. 5 shows a section through the storage body along the line V / V in FIG.
- Figure 7 shows a 3 D view of the storage body with drawn
- the fuel storage block shown in Figure 1 comprises 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 schematically shown in each case with arrows for a test medium, eg. B. test oil, another inlet port 16 and another outlet 17 for a test medium, eg. B. test oil, another inlet port 16 and another outlet 17 for a test medium, eg. B. test oil, another inlet port 16 and another outlet 17 for
- the storage body 10 serves, for example, as a test rail for testing high-pressure components of
- Fuel injectors of motor vehicles eg. B. from
- 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.
- a test oil collector 15 flanged into the Pressure control valves 13 downstream outlets for initiating a
- 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 has an inlet nozzle receptacle 21 for inserting the inlet nozzle 11, 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.
- the receptacles 21, 22, 23 are integrated into a test line course 20, which according to FIG. 3 comprises a collecting line 25 and branch lines 24, wherein the branch lines 24 connect the receptacles 21, 22, 23 to the collecting line 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 manifold 25 serves as
- the storage body 10 has according to Figure 4 and 5 continue on a lateral
- FIGS. 4, 5 and 6 show a cooling line course 30 for the cooling medium within the storage body 10.
- 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 unillustrated third line section in a distribution level 19
- Cooling line 30 leads from the inlet opening 29 for the other Inlet nozzle 16 via a slanted line 32 to a first distribution line 33 in the distribution level 19 leads.
- a first distribution line 33 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 first
- firstdeebene 36 leads, the firstdeebene 36 is shown by Figure 5.
- 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.
- the first riser 34 leads into one of the three transverse lines 37, so that about the first riser 34, the connection between the first distribution line 33 and the first line section 30.1 in the firstdeebene 36 is made.
- Riser 40 leads from the first connecting line 39 in the firstdeebene 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 branches off to the outlet opening 31 for the further one
- Outlet 17 leads to the connection of 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 inserts 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 shown again in a 3D view in FIG. 7 for a better overview. It can be seen from FIG. 7 that the cooling line course 30 within the storage body 10 is designed such that the cooling medium passes through the storage body 10 in, for example, the two mutually superimposed cooling planes 36 and 42 through two line sections 30.1 and 30.2 in the vicinity of the receptacles 23 for the pressure control valves 23 is guided.
- the cooling line course 30 is executed by bores, which to form the necessary circulation in the distribution level 19 and the twodeebenen 36, 42 to the
- test line course 20 As a 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 carry out the test line course 20 likewise in the vicinity of the receptacles 13 for the pressure control valves 23, as a result of which
- Test medium realized an additional cooling of the pressure control valves 23.
- test planes such as circular gradients, e.g.
- Ring channels or courses with several parallel holes.
- the storage body 10 can also additionally inside with plates and / or
- Cooling fins be built 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)
Abstract
Description
Claims
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 true EP2614246A1 (de) | 2013-07-17 |
EP2614246B1 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 (de) |
EP (1) | EP2614246B1 (de) |
CN (1) | CN103080529B (de) |
BR (1) | BR112013005556B1 (de) |
DE (1) | DE102010040541A1 (de) |
WO (1) | WO2012031813A1 (de) |
Families Citing this family (7)
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 |
DE102015218090A1 (de) * | 2015-09-21 | 2017-03-23 | Robert Bosch Gmbh | Injektorprüfvorrichtung |
DE102015218102A1 (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 |
Family Cites Families (14)
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 |
GB2283533B (en) * | 1993-05-06 | 1996-07-10 | Cummins Engine Co 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 |
DE602007006656D1 (de) * | 2007-07-05 | 2010-07-01 | 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 |
-
2010
- 2010-09-10 DE DE102010040541A patent/DE102010040541A1/de not_active Withdrawn
-
2011
- 2011-07-20 BR BR112013005556-1A patent/BR112013005556B1/pt active IP Right Grant
- 2011-07-20 WO PCT/EP2011/062433 patent/WO2012031813A1/de active Application Filing
- 2011-07-20 EP EP11740865.8A patent/EP2614246B1/de active Active
- 2011-07-20 US US13/821,909 patent/US9388781B2/en active Active
- 2011-07-20 CN CN201180043408.1A patent/CN103080529B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US9388781B2 (en) | 2016-07-12 |
EP2614246B1 (de) | 2017-03-01 |
BR112013005556B1 (pt) | 2021-01-05 |
US20130220275A1 (en) | 2013-08-29 |
WO2012031813A1 (de) | 2012-03-15 |
DE102010040541A1 (de) | 2012-03-15 |
BR112013005556A2 (pt) | 2016-05-03 |
CN103080529B (zh) | 2017-03-08 |
CN103080529A (zh) | 2013-05-01 |
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