DE10344621A1 - Rohrfeder für Aktor - Google Patents

Rohrfeder für Aktor Download PDF

Info

Publication number
DE10344621A1
DE10344621A1 DE10344621A DE10344621A DE10344621A1 DE 10344621 A1 DE10344621 A1 DE 10344621A1 DE 10344621 A DE10344621 A DE 10344621A DE 10344621 A DE10344621 A DE 10344621A DE 10344621 A1 DE10344621 A1 DE 10344621A1
Authority
DE
Germany
Prior art keywords
bourdon tube
actuator
fuel injection
tube
piezoelectric
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Withdrawn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
DE10344621A
Other languages
English (en)
Inventor
Dietmar Uhlmann
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
Scherdel Innotec Forschungs und Entwicklungs 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
Priority to DE10344621A priority Critical patent/DE10344621A1/de
Priority to EP04104629A priority patent/EP1519072B1/de
Priority to DE502004006239T priority patent/DE502004006239D1/de
Publication of DE10344621A1 publication Critical patent/DE10344621A1/de
Withdrawn legal-status Critical Current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
    • F02M61/167—Means for compensating clearance or thermal expansion
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/025—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by having a particular shape
    • F16F1/028—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by having a particular shape cylindrical, with radial openings
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/886—Additional mechanical prestressing means, e.g. springs
    • 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
    • F02M2200/26—Fuel-injection apparatus with elastically deformable elements other than coil springs
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of fuel flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/36—Holes, slots or the like

Landscapes

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

Abstract

Eine Rohrfeder (11) für einen piezoelektrischen oder magnetostriktiven Aktor, welcher insbesondere zur Betätigung eines Brennstoffeinspritzventils für Brennstoffeinspritzanlagen von Brennkraftmaschinen dient, weist mehrere Reihen (23) von Ausnehmungen (20) mit dazwischenliegenden Stegen (21) auf. Die Rohrfeder (11) ist so ausgestaltet, daß sie ohne Verschweißung an ihren auf Stoß aneinanderliegenden Längsseiten (22) eine über den Umfang der Rohrfeder (11) gleichmäßige Lastaufnahme aufweist.
DE10344621A 2003-09-25 2003-09-25 Rohrfeder für Aktor Withdrawn DE10344621A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE10344621A DE10344621A1 (de) 2003-09-25 2003-09-25 Rohrfeder für Aktor
EP04104629A EP1519072B1 (de) 2003-09-25 2004-09-23 Rohrfeder für Aktor
DE502004006239T DE502004006239D1 (de) 2003-09-25 2004-09-23 Rohrfeder für Aktor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10344621A DE10344621A1 (de) 2003-09-25 2003-09-25 Rohrfeder für Aktor

Publications (1)

Publication Number Publication Date
DE10344621A1 true DE10344621A1 (de) 2005-05-04

Family

ID=34177960

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10344621A Withdrawn DE10344621A1 (de) 2003-09-25 2003-09-25 Rohrfeder für Aktor
DE502004006239T Active DE502004006239D1 (de) 2003-09-25 2004-09-23 Rohrfeder für Aktor

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE502004006239T Active DE502004006239D1 (de) 2003-09-25 2004-09-23 Rohrfeder für Aktor

Country Status (2)

Country Link
EP (1) EP1519072B1 (de)
DE (2) DE10344621A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007110257A1 (de) * 2006-03-24 2007-10-04 Robert Bosch Gmbh Federhülse
DE102005053076B4 (de) * 2005-11-04 2008-01-03 Hugo Kern Und Liebers Gmbh & Co. Kg Platinen- Und Federnfabrik Flachfeder
WO2010003075A1 (en) * 2008-07-03 2010-01-07 Caterpillar Inc. Apparatus and method for cooling a fuel injector including a piezoelectric element
DE102008029374A1 (de) * 2008-06-20 2010-01-07 Siemens Aktiengesellschaft Vorrichtung zur Erzeugung elektrischer Energie aus mechanischen Vibrationen verschiedenster Amplituden und Frequenzen mittels Piezoaktoren
DE102010040773A1 (de) 2010-09-14 2012-03-15 Continental Automotive Gmbh Rohrfeder zur Aufnahme und zum Vorspannen eines Aktors

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028209A1 (de) * 2004-06-09 2005-12-29 Robert Bosch Gmbh Kraftstoffeinspritzventil
JP2007113492A (ja) * 2005-10-20 2007-05-10 Denso Corp インジェクタ
US7950596B2 (en) * 2008-06-27 2011-05-31 Caterpillar Inc. Distributed stiffness biasing spring for actuator system and fuel injector using same
DE102010008194A1 (de) 2010-02-16 2011-08-18 Steinbeis-Transferzentrum Mechatronik, 98693 Adaptives Federelement
DE102013224771A1 (de) * 2013-12-03 2015-06-03 Robert Bosch Gmbh Piezoaktor und dessen Verwendung
DE102022104079A1 (de) * 2022-02-22 2023-08-24 U-Shin Deutschland Zugangssysteme Gmbh Spindelbaugruppe für eine Spindelantriebsvorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958101A (en) * 1988-08-29 1990-09-18 Toyota Jidosha Kabushiki Kaisha Piezoelectric actuator
WO1999008330A1 (de) * 1997-08-05 1999-02-18 Siemens Aktiengesellschaft Vorgespannter piezoelektrischer aktor
WO2000008353A1 (de) * 1998-08-06 2000-02-17 Siemens Aktiengesellschaft Piezoelektrische aktoreinheit
DE10025997A1 (de) * 2000-05-25 2001-12-06 Bosch Gmbh Robert Piezoaktor
DE10127583A1 (de) * 2001-05-29 2002-12-19 Innotec Forschungs & Entw Gmbh Spiralhülsenfeder
DE10140196A1 (de) * 2001-08-16 2003-03-13 Bosch Gmbh Robert Hülsenförmiger Hohlkörper für ein Piezoaktormodul sowie Verfahren zu dessen Herstellung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958101A (en) * 1988-08-29 1990-09-18 Toyota Jidosha Kabushiki Kaisha Piezoelectric actuator
WO1999008330A1 (de) * 1997-08-05 1999-02-18 Siemens Aktiengesellschaft Vorgespannter piezoelektrischer aktor
WO2000008353A1 (de) * 1998-08-06 2000-02-17 Siemens Aktiengesellschaft Piezoelektrische aktoreinheit
DE10025997A1 (de) * 2000-05-25 2001-12-06 Bosch Gmbh Robert Piezoaktor
DE10127583A1 (de) * 2001-05-29 2002-12-19 Innotec Forschungs & Entw Gmbh Spiralhülsenfeder
DE10140196A1 (de) * 2001-08-16 2003-03-13 Bosch Gmbh Robert Hülsenförmiger Hohlkörper für ein Piezoaktormodul sowie Verfahren zu dessen Herstellung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005053076B4 (de) * 2005-11-04 2008-01-03 Hugo Kern Und Liebers Gmbh & Co. Kg Platinen- Und Federnfabrik Flachfeder
WO2007110257A1 (de) * 2006-03-24 2007-10-04 Robert Bosch Gmbh Federhülse
DE102008029374A1 (de) * 2008-06-20 2010-01-07 Siemens Aktiengesellschaft Vorrichtung zur Erzeugung elektrischer Energie aus mechanischen Vibrationen verschiedenster Amplituden und Frequenzen mittels Piezoaktoren
WO2010003075A1 (en) * 2008-07-03 2010-01-07 Caterpillar Inc. Apparatus and method for cooling a fuel injector including a piezoelectric element
DE102010040773A1 (de) 2010-09-14 2012-03-15 Continental Automotive Gmbh Rohrfeder zur Aufnahme und zum Vorspannen eines Aktors
WO2012034837A1 (de) 2010-09-14 2012-03-22 Continental Automotive Gmbh Rohrfeder zur aufnahme und zum vorspannen eines aktors
DE102010040773B4 (de) 2010-09-14 2017-03-30 Continental Automotive Gmbh Rohrfeder zur Aufnahme und zum Vorspannen eines Aktors
US9627604B2 (en) 2010-09-14 2017-04-18 Continental Automotive Gmbh Tubular spring for receiving and pretensioning an actuator

Also Published As

Publication number Publication date
DE502004006239D1 (de) 2008-04-03
EP1519072B1 (de) 2008-02-20
EP1519072A1 (de) 2005-03-30

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8127 New person/name/address of the applicant

Owner name: SCHERDEL INNOTEC FORSCHUNGS- UND ENTWICKLUNGS-, DE

Owner name: ROBERT BOSCH GMBH, 70469 STUTTGART, DE

8141 Disposal/no request for examination