EP2025924A3 - Valve element and method for its production - Google Patents

Valve element and method for its production Download PDF

Info

Publication number
EP2025924A3
EP2025924A3 EP08104759A EP08104759A EP2025924A3 EP 2025924 A3 EP2025924 A3 EP 2025924A3 EP 08104759 A EP08104759 A EP 08104759A EP 08104759 A EP08104759 A EP 08104759A EP 2025924 A3 EP2025924 A3 EP 2025924A3
Authority
EP
European Patent Office
Prior art keywords
valve element
closing
valve
production
valve seat
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.)
Withdrawn
Application number
EP08104759A
Other languages
German (de)
French (fr)
Other versions
EP2025924A2 (en
Inventor
Norman Krings
Juergen Hackenberg
Alexander Reitzle
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
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2025924A2 publication Critical patent/EP2025924A2/en
Publication of EP2025924A3 publication Critical patent/EP2025924A3/en
Withdrawn legal-status Critical Current

Links

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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/166—Selection of particular materials
    • 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
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1886—Details of valve seats not covered by groups F02M61/1866 - F02M61/188
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8053—Fuel injection apparatus manufacture, repair or assembly involving mechanical deformation of the apparatus or parts thereof
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/90—Selection of particular materials
    • F02M2200/9015—Elastomeric or plastic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Lift Valve (AREA)

Abstract

Die Erfindung betrifft ein Ventilelement zum Verschließen oder Freigeben eines Fluidstroms unter hohem Druck, umfassend ein Schließelement und ein Ventilsitz (11), wobei das Schließelement zum Verschließen in den Ventilsitz (11) gestellt wird. Der Ventilsitz (11) ist mit einer Beschichtung aus einer Formgedächtnislegierung beschichtet. Die Erfindung betrifft weiterhin ein Verfahren zur Herstellung eines Ventilelementes sowie die Verwendung eines Ventilelementes.

Figure imgaf001
The invention relates to a valve element for closing or releasing a fluid flow under high pressure, comprising a closing element and a valve seat (11), wherein the closing element is placed in the valve seat (11) for closing. The valve seat (11) is coated with a coating of a shape memory alloy. The invention further relates to a method for producing a valve element and the use of a valve element.
Figure imgaf001
EP08104759A 2007-08-07 2008-07-15 Valve element and method for its production Withdrawn EP2025924A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007037219A DE102007037219A1 (en) 2007-08-07 2007-08-07 Valve element and method for its manufacture

Publications (2)

Publication Number Publication Date
EP2025924A2 EP2025924A2 (en) 2009-02-18
EP2025924A3 true EP2025924A3 (en) 2009-05-13

Family

ID=40122382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08104759A Withdrawn EP2025924A3 (en) 2007-08-07 2008-07-15 Valve element and method for its production

Country Status (2)

Country Link
EP (1) EP2025924A3 (en)
DE (1) DE102007037219A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102268363B (en) * 2011-06-22 2013-06-05 苏州大学 Microinjection mechanism
DE102013204152A1 (en) 2013-03-11 2014-09-11 Robert Bosch Gmbh Valve for controlling a fluid with increased tightness
EP3587791B1 (en) 2018-06-21 2021-03-24 Claverham Limited Flow control nozzle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005054856A (en) * 2003-08-01 2005-03-03 Nec Tokin Corp Erosion resistant valve
JP2005226455A (en) * 2004-02-10 2005-08-25 Toyota Motor Corp Lpg injector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62196472A (en) * 1986-02-25 1987-08-29 Hitachi Ltd Improved valve using titanium group shape memory alloy
JP2005090233A (en) 2003-09-12 2005-04-07 Hitachi Unisia Automotive Ltd Fuel injection valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005054856A (en) * 2003-08-01 2005-03-03 Nec Tokin Corp Erosion resistant valve
JP2005226455A (en) * 2004-02-10 2005-08-25 Toyota Motor Corp Lpg injector

Also Published As

Publication number Publication date
DE102007037219A1 (en) 2009-02-12
EP2025924A2 (en) 2009-02-18

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