EP1794443A1 - Pressure regulator for a fuel supply unit and method for production of a pressure regulator - Google Patents
Pressure regulator for a fuel supply unit and method for production of a pressure regulatorInfo
- Publication number
- EP1794443A1 EP1794443A1 EP05787163A EP05787163A EP1794443A1 EP 1794443 A1 EP1794443 A1 EP 1794443A1 EP 05787163 A EP05787163 A EP 05787163A EP 05787163 A EP05787163 A EP 05787163A EP 1794443 A1 EP1794443 A1 EP 1794443A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure regulator
- membrane
- piston
- regulator according
- ring element
- 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 9
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
- F02M69/54—Arrangement of fuel pressure regulators
-
- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7793—With opening bias [e.g., pressure regulator]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7834—Valve seat or external sleeve moves to open valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7835—Valve seating in direction of flow
- Y10T137/7836—Flexible diaphragm or bellows reactor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/494—Fluidic or fluid actuated device making
Definitions
- Pressure regulator for a fuel delivery unit and method for producing a pressure regulator
- the invention relates to a pressure regulator for a fuel supply unit of a motor vehicle, with a valve for He ⁇ generation of a connection of a port to an outlet above a designated pressure in the connection, with ei ⁇ nem movable piston and with a held on a fixed ring element membrane Sealing the piston in relation to the ring element. Furthermore, the invention relates to a method for producing a pressure regulator for a fuel ⁇ conveying unit of a motor vehicle, in which a piston of a valve is connected via a membrane sealingly connected to a festste ⁇ ing ring element.
- Such pressure regulators are frequently used in modern motor vehicles for controlling a pressure in a ne a Brennkraftmaschi ⁇ leading feed line and are known from Pra ⁇ tice.
- the membrane is clamped between two Ringelemen ⁇ th of the housing and separates the area above the piston from the area below the piston. At the ⁇ circuit opens into the area below the piston.
- the required clamping force of the membrane is usually generated by crimping around an edge of the ring element.
- the invention is based on the problem, a pressure regulator of the type mentioned in such a way that a zu ⁇ reliable tightness between the membrane and the ring member is ensured. Furthermore, the invention is based on the problem ⁇ lem to make a method for producing the pressure regulator so that it ensures a particularly reliable waterproofing ⁇ tion of the membrane relative to the ring member.
- the former problem is inventively achieved in that the membrane is welded to the ring member.
- the membrane is materially connected to the ring element.
- This will ratur Scheme below 0 ° C ensure reliable tightness guaranteed ⁇ ⁇ especially in Tempe.
- Settling joints between the membrane and the ring element, which can lead to leaks after some operating time of the pressure regulator according to the invention, are likewise reliably avoided. This ensures a reliable sealing ⁇ unit between the membrane and the ring element.
- the tightness between the area below the piston and the region can further increase above the piston when the diaphragm is welded to the piston.
- a flow through the piston above the intended pressure can be easily ensured according to another advantageous development of the invention if the membrane has a recess for a valve seat arranged in the piston.
- a permanent tightness of the weld joint is si ⁇ cherosse according to another advantageous embodiment of the invention, when the plastic of the membrane, the piston and the ring member is polyphenylene sulfide.
- the membrane, the ring element and the piston have according to ei ⁇ ner another advantageous embodiment of the invention, a particularly high stability, when the plastic has inserts made of glass fibers.
- the welded connection of the membrane can be in accordance with an an ⁇ their advantageous development of the invention produce a particularly cost when the membrane or impermeable that the membrane to be welded component from a ⁇ ray transmissive for a laser material and the other component consists of a for the laser beam Material gefer ⁇ is tiger.
- the membrane can be welded by means of the laser beam. This leads in particular in a mass production of the pressure regulator according to the invention to very low production costs.
- the production can also be automated.
- the ring element could, for example, be an edge of a housing guiding the piston .
- the housing of the invention shown SEN pressure regulator but is preferably for the Vorspann ⁇ setting force of the spring element against the piston is made from an easily plastically deformable material.
- the housing can be made according to another advantageousmann ⁇ education of the invention of easily deformable sheet steel and the membrane of plastic, when the ring member is sealingly clamped in a housing.
- the second-mentioned problem namely the creation of a method for producing the pressure regulator with a particularly reliable sealing of the membrane relative to the ring element, is achieved according to the invention in that the membrane is welded to the ring element.
- the membrane is materially connected to the ring element. This leads, in particular in the range below 0 ° C, to a particularly reliable sealing of the membrane with respect to the ring element.
- the piston can be welded to the membrane in an analogous manner.
- the method according to the invention is particularly cost-effective if the welding takes place in the laser welding process.
- FIG. 1 shows a longitudinal section through an inventive, designed as a flow valve pressure regulator
- Figure 2 shows a longitudinal section through a pressure regulator designed as Abregelventil.
- Figure 1 shows an inventive, designed as a flow control valve pressure regulator with a housing 1 and a displaceably arranged in the housing 1 piston 2.
- the Druck ⁇ regulator serves to limit a maximum pressure in one not shown supply line of a fuel tank of a motor vehicle.
- the housing 1 has two of a ring member 3 at a distance held housing parts 4, 5.
- the pressure regulator has a connection 6 for a pressure line and an outlet 7.
- the piston 2 is pretensioned against a valve body 10 by means of a spring 8 designed as a spring, with a valve seat 9.
- This will provides relievege ⁇ that is charged at a pressure in the terminal 6 of the plunger 2 against the force of the spring 8 and is moved above a designated pressure, the piston 2, so that the valve seat 9 lifts off from the valve body 10 degrees.
- fuel can escape from the connection 6 through the outlet 7 above the intended pressure.
- the housing parts 4, 5 are made of sheet steel and connected by a bead 12 mit ⁇ each other. By beading 12 a sealing ring 13 between the ring member 3 and the lower housing ⁇ part 5 is biased.
- a spring 8-retaining edge 14 of the upper housing part 4 is plastically deformable designed and used to calibrate the pressure regulator and thus a ⁇ of the designated pressure, wherein the connection rule zwi ⁇ position the port 6 and the outlet 7 is generated.
- the ring element 3, the piston 2 and the diaphragm 11 are made of the plastic polyphenylene sulfide.
- the membrane 11 is connected to the ring element 3 and the piston 2 in Lasersch spaverfah ⁇ ren.
- Figure 2 shows a formed as a regulating valve Druckreg ⁇ ler. This differs from that of FIG. 1 primarily in that, viewed from a piston 17, an outlet 15 is arranged on the same side as a connection 16. A membrane 18 is exclusively in the radially outer region with Further, the membrane 18 forms a voltage applied to a valve seat 20 of the outlet 15 valve body 21. At a scheduled pressure in the connection 16 of the piston 17 and the diaphragm 18 of the Ven ⁇ tilsitz 20 of the outlet 15 pushed away so that fuel from the port 16 to the outlet 15 can flow over.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Driven Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Safety Valves (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410048392 DE102004048392B4 (en) | 2004-10-01 | 2004-10-01 | Pressure regulator for a fuel delivery unit and method for producing a pressure regulator |
PCT/EP2005/054560 WO2006037712A1 (en) | 2004-10-01 | 2005-09-14 | Pressure regulator for a fuel supply unit and method for production of a pressure regulator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1794443A1 true EP1794443A1 (en) | 2007-06-13 |
EP1794443B1 EP1794443B1 (en) | 2011-05-18 |
Family
ID=35311773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050787163 Active EP1794443B1 (en) | 2004-10-01 | 2005-09-14 | Pressure regulator for a fuel supply unit and method for production of a pressure regulator |
Country Status (8)
Country | Link |
---|---|
US (2) | US7828010B2 (en) |
EP (1) | EP1794443B1 (en) |
JP (1) | JP4691106B2 (en) |
KR (1) | KR20070059142A (en) |
CN (1) | CN101031718B (en) |
DE (1) | DE102004048392B4 (en) |
ES (1) | ES2366703T3 (en) |
WO (1) | WO2006037712A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2233690A1 (en) * | 2009-03-13 | 2010-09-29 | BP Alternative Energy International Limited | Fluid injection |
US8302622B2 (en) * | 2010-02-24 | 2012-11-06 | Continental Automotive Systems Us, Inc. | Unbalanced inlet fuel tube for a fuel pressure regulator |
US9464414B2 (en) * | 2011-02-28 | 2016-10-11 | Smartap A.Y Ltd. | Household electronic mixing-valve device |
WO2014120997A1 (en) | 2013-02-01 | 2014-08-07 | Swagelok Company | Diaphragm valve with welded diaphragm seat carrier |
DE102017010019A1 (en) * | 2016-11-02 | 2018-05-03 | Mann + Hummel Gmbh | Unit for regulating or controlling a fluid pressure |
DE102016013008A1 (en) * | 2016-11-02 | 2018-05-03 | Mann + Hummel Gmbh | Unit for regulating or controlling a fluid pressure |
DE102017010071A1 (en) | 2016-11-02 | 2018-05-03 | Mann+Hummel Gmbh | Unit for regulating or controlling a fluid pressure |
CN112524048A (en) * | 2019-09-18 | 2021-03-19 | 广东德昌电机有限公司 | Liquid pump |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2447695A (en) * | 1948-08-24 | Bengtx | ||
AT337535B (en) * | 1973-10-25 | 1977-07-11 | Hoerbiger Ventilwerke Ag | AMPLIFIER FOR PNEUMATIC SYSTEMS |
KR100378681B1 (en) * | 1994-05-09 | 2003-05-23 | 지멘스 비디오 오토모티브 코포레이션 | Distribution Fuel Pressure Regulator |
DE19508637A1 (en) | 1995-03-10 | 1996-09-12 | Bosch Gmbh Robert | Pressure-regulating valve |
US5932857A (en) * | 1997-05-06 | 1999-08-03 | Texas Instruments Incorporated | Pressure switch with biaxially oriented thermoplastic diaphragm |
DE29716309U1 (en) * | 1997-09-11 | 1997-11-27 | Schiffer, Walter, 65835 Liederbach | Pressure control valve |
JPH11107886A (en) * | 1997-10-07 | 1999-04-20 | Kyosan Denki Kk | Pulsation damping device |
DE19746763C2 (en) * | 1997-10-23 | 2002-06-13 | Walter Schiffer | Diaphragm controlled pressure control valve |
US5842455A (en) * | 1998-03-24 | 1998-12-01 | Walbro Corporation | Fuel accumulator and pressure limiting device |
DE19814298A1 (en) * | 1998-03-31 | 1999-10-07 | Volkswagen Ag | Plastic fuel tank production by bonding shells together, using laser transmission welding |
JP3707295B2 (en) | 1998-05-11 | 2005-10-19 | 東陶機器株式会社 | Toilet with self-closing faucet |
US6006781A (en) * | 1998-07-01 | 1999-12-28 | Parr Manufacturing, Inc. | Fuel pressure regulator |
JP2000055233A (en) * | 1998-08-07 | 2000-02-22 | Keihin Corp | Pressure control valve |
US6193833B1 (en) * | 1998-09-04 | 2001-02-27 | Spx Corporation | Method of laser welding transmission filter housing components |
JP2002286146A (en) * | 2001-03-26 | 2002-10-03 | Toyoda Gosei Co Ltd | Diaphragm valve |
US6619314B2 (en) * | 2001-08-07 | 2003-09-16 | Siemens Automotive Corporation | Apparatus and method for sealing a fuel component in a fuel communication passage |
JP4135377B2 (en) * | 2002-03-07 | 2008-08-20 | トヨタ自動車株式会社 | Pressure regulating valve |
-
2004
- 2004-10-01 DE DE200410048392 patent/DE102004048392B4/en not_active Expired - Fee Related
-
2005
- 2005-09-14 WO PCT/EP2005/054560 patent/WO2006037712A1/en active Application Filing
- 2005-09-14 CN CN200580033330XA patent/CN101031718B/en active Active
- 2005-09-14 EP EP20050787163 patent/EP1794443B1/en active Active
- 2005-09-14 KR KR1020077008325A patent/KR20070059142A/en active Search and Examination
- 2005-09-14 ES ES05787163T patent/ES2366703T3/en active Active
- 2005-09-14 JP JP2007533997A patent/JP4691106B2/en active Active
- 2005-09-14 US US11/664,122 patent/US7828010B2/en active Active
-
2010
- 2010-08-06 US US12/851,840 patent/US20110290347A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2006037712A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101031718B (en) | 2011-08-03 |
DE102004048392B4 (en) | 2012-10-31 |
US20110290347A1 (en) | 2011-12-01 |
US7828010B2 (en) | 2010-11-09 |
DE102004048392A1 (en) | 2006-04-06 |
WO2006037712A1 (en) | 2006-04-13 |
ES2366703T3 (en) | 2011-10-24 |
CN101031718A (en) | 2007-09-05 |
KR20070059142A (en) | 2007-06-11 |
JP2008514886A (en) | 2008-05-08 |
JP4691106B2 (en) | 2011-06-01 |
US20080053534A1 (en) | 2008-03-06 |
EP1794443B1 (en) | 2011-05-18 |
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