EP2573336A4 - Phase variable device for engine - Google Patents

Phase variable device for engine

Info

Publication number
EP2573336A4
EP2573336A4 EP10851739.2A EP10851739A EP2573336A4 EP 2573336 A4 EP2573336 A4 EP 2573336A4 EP 10851739 A EP10851739 A EP 10851739A EP 2573336 A4 EP2573336 A4 EP 2573336A4
Authority
EP
European Patent Office
Prior art keywords
self
phase angle
locking mechanism
camshaft
cam
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
Application number
EP10851739.2A
Other languages
German (de)
French (fr)
Other versions
EP2573336B1 (en
EP2573336A1 (en
Inventor
Michihiro Kameda
Masayasu Nagado
Masaaki Niiro
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.)
Nittan Corp
Original Assignee
Nittan Valve Co Ltd
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 Nittan Valve Co Ltd filed Critical Nittan Valve Co Ltd
Publication of EP2573336A1 publication Critical patent/EP2573336A1/en
Publication of EP2573336A4 publication Critical patent/EP2573336A4/en
Application granted granted Critical
Publication of EP2573336B1 publication Critical patent/EP2573336B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/34409—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by torque-responsive means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/352—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/352—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear
    • F01L2001/3522—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear with electromagnetic brake

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

OBJECT To provide a variable cam phaser for an automobile engine, equipped with a self-locking mechanism which is simpler in structure, cost effective, and easy to manufacture MEANS FOR ACHIEVING THE OBJECT In a variable cam phaser having a phase angle varying mechanism for varying the phase angle of the camshaft relative to the drive rotor driven by the crankshaft and a self-locking mechanism for preventing an unexpected change in the phase angle, the self-locking mechanism is provided with: an eccentric circular cam (12) integral with the camshaft (6) and a support groove (15) for supporting the eccentric circular cam from the both sides thereof at positions offset from the camshaft axis towards the eccentric cam center; a lock plate integrally held with the control rotor by means of a coupling mechanism; and a cylindrical portion belonging to the drive rotor in which the lock plate is inscribed
EP10851739.2A 2010-05-18 2010-05-18 Phase variable device for engine Not-in-force EP2573336B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/058370 WO2011145175A1 (en) 2010-05-18 2010-05-18 Phase variable device for engine

Publications (3)

Publication Number Publication Date
EP2573336A1 EP2573336A1 (en) 2013-03-27
EP2573336A4 true EP2573336A4 (en) 2013-12-18
EP2573336B1 EP2573336B1 (en) 2015-03-04

Family

ID=44991299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10851739.2A Not-in-force EP2573336B1 (en) 2010-05-18 2010-05-18 Phase variable device for engine

Country Status (6)

Country Link
US (1) US20130125846A1 (en)
EP (1) EP2573336B1 (en)
JP (1) JP5616440B2 (en)
KR (1) KR20130072190A (en)
CN (1) CN102859126A (en)
WO (1) WO2011145175A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2735258C (en) 2007-08-28 2018-10-02 Aircraft Medical Limited Laryngoscope insertion section
WO2012049727A1 (en) 2010-10-12 2012-04-19 日鍛バルブ株式会社 Phase variable device of engine
WO2013157110A1 (en) * 2012-04-19 2013-10-24 日鍛バルブ株式会社 Engine variable phase device
WO2013157131A1 (en) * 2012-04-20 2013-10-24 日鍛バルブ株式会社 Engine variable phase device
KR20150063378A (en) * 2012-10-09 2015-06-09 니탄 밸브 가부시키가이샤 Automotive engine phase-adjusting device
WO2014109050A1 (en) * 2013-01-11 2014-07-17 日鍛バルブ株式会社 Phase shifting device for automotive-vehicle engine
DE112016005069T5 (en) * 2015-12-02 2018-07-12 Borgwarner Inc. DIVIDED EXHAUST GAS TURBOCHARGER

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009098752A1 (en) * 2008-02-04 2009-08-13 Nittan, Valve, Co., Ltd. Phase variable device in car engine
WO2010026645A1 (en) * 2008-09-05 2010-03-11 日鍛バルブ株式会社 Cam shaft phase variable device in engine for automobile
WO2010046974A1 (en) * 2008-10-22 2010-04-29 日鍛バルブ株式会社 Cam shaft phase variable device in engine for automobile

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003129805A (en) * 2001-10-22 2003-05-08 Hitachi Unisia Automotive Ltd Valve timing control device for internal combustion engine
JP3937164B2 (en) * 2002-04-19 2007-06-27 株式会社デンソー Valve timing adjustment device
JP5102071B2 (en) * 2008-03-03 2012-12-19 日鍛バルブ株式会社 Phase variable device for automobile engine
BRPI0924577A2 (en) * 2009-06-05 2019-08-27 Nittan Valva motor phase variation device
WO2012049727A1 (en) * 2010-10-12 2012-04-19 日鍛バルブ株式会社 Phase variable device of engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009098752A1 (en) * 2008-02-04 2009-08-13 Nittan, Valve, Co., Ltd. Phase variable device in car engine
EP2249000A1 (en) * 2008-02-04 2010-11-10 Nittan Valve Co., Ltd. Phase variable device in car engine
WO2010026645A1 (en) * 2008-09-05 2010-03-11 日鍛バルブ株式会社 Cam shaft phase variable device in engine for automobile
EP2320036A1 (en) * 2008-09-05 2011-05-11 Nittan Valve Co., Ltd. Cam shaft phase variable device in engine for automobile
WO2010046974A1 (en) * 2008-10-22 2010-04-29 日鍛バルブ株式会社 Cam shaft phase variable device in engine for automobile
EP2341222A1 (en) * 2008-10-22 2011-07-06 Nittan Valve Co., Ltd. Cam shaft phase variable device in engine for automobile

Also Published As

Publication number Publication date
CN102859126A (en) 2013-01-02
JP5616440B2 (en) 2014-10-29
US20130125846A1 (en) 2013-05-23
JPWO2011145175A1 (en) 2013-07-22
EP2573336B1 (en) 2015-03-04
WO2011145175A1 (en) 2011-11-24
EP2573336A1 (en) 2013-03-27
KR20130072190A (en) 2013-07-01

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