WO2008114737A1 - ラッシュアジャスタ - Google Patents

ラッシュアジャスタ Download PDF

Info

Publication number
WO2008114737A1
WO2008114737A1 PCT/JP2008/054773 JP2008054773W WO2008114737A1 WO 2008114737 A1 WO2008114737 A1 WO 2008114737A1 JP 2008054773 W JP2008054773 W JP 2008054773W WO 2008114737 A1 WO2008114737 A1 WO 2008114737A1
Authority
WO
WIPO (PCT)
Prior art keywords
screw rod
housing
lash adjuster
slits
sleeve
Prior art date
Application number
PCT/JP2008/054773
Other languages
English (en)
French (fr)
Inventor
Katsuhisa Yamaguchi
Hiroshi Bunko
Eiji Maeno
Original Assignee
Ntn Corporation
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 Ntn Corporation filed Critical Ntn Corporation
Publication of WO2008114737A1 publication Critical patent/WO2008114737A1/ja

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
    • F01L1/20—Adjusting or compensating clearance
    • 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L2305/00—Valve arrangements comprising rollers

Abstract

　スクリュロッドをハウジングに押し込んだ状態に繰り返し保持可能であり、かつ、低コストなラッシュアジャスタを提供する。 　上端が開放した筒状のハウジング１４と、ハウジング１４の内周に形成された雌ねじ２０にねじ係合する雄ねじ１９を外周に有するスクリュロッド１５と、スクリュロッド１５を突出方向に付勢するスプリング１６とを有し、スクリュロッド１５の上端部２４で動弁装置のアーム６を支持するラッシュアジャスタ１において、ハウジング１４の上端に、両端が開放したスリーブ１７を固定し、スリーブ１７に周方向に延びる対向一対のスリット２６，２６を形成し、スリット２６に対応する円周溝２９をスクリュロッド１５の外周に形成し、一対の対向部２７，２７と連結部２８とからなるストッパピン１８を設け、そのストッパピン１８の対向部２７をスリット２６と円周溝２９とに係合させることにより、スクリュロッド１５をハウジング１４に押し込んだ状態に保持可能とする。
PCT/JP2008/054773 2007-03-22 2008-03-14 ラッシュアジャスタ WO2008114737A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007073848A JP2008232040A (ja) 2007-03-22 2007-03-22 ラッシュアジャスタ
JP2007-073848 2007-03-22

Publications (1)

Publication Number Publication Date
WO2008114737A1 true WO2008114737A1 (ja) 2008-09-25

Family

ID=39765845

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054773 WO2008114737A1 (ja) 2007-03-22 2008-03-14 ラッシュアジャスタ

Country Status (2)

Country Link
JP (1) JP2008232040A (ja)
WO (1) WO2008114737A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009031935A1 (de) 2009-07-07 2011-01-13 Schaeffler Technologies Gmbh & Co. Kg Ventilspielausgleichselement mit mechanischer, automatischer Nachstellung
DE102010024199A1 (de) 2010-06-17 2011-12-22 Schaeffler Technologies Gmbh & Co. Kg Mechanisches Ventilspielausgleichselement mit Montage-/Transportsicherung
DE102010024200A1 (de) 2010-06-17 2011-12-22 Schaeffler Technologies Gmbh & Co. Kg Ventilspielausgleichselement mit mechanischer Nachstellung
DE102010026851A1 (de) 2010-07-12 2012-01-12 Schaeffler Technologies Gmbh & Co. Kg Mechanisches Ventilspielausgleichselement mit einer Sicherungseinrichtung gegen ungewolltes Herausdrehen
DE102010032635A1 (de) 2010-07-29 2012-02-02 Schaeffler Technologies Gmbh & Co. Kg Mechanisches Ventilspielausgleichselement mit einer inneren Sicherungseinrichtung gegen ungewolltes Herausdrehen
DE102012201914A1 (de) 2012-02-09 2013-08-14 Schaeffler Technologies AG & Co. KG Transportsicherung mit Zusatzfunktion

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6075709U (ja) * 1983-10-28 1985-05-27 井関農機株式会社 連結杆
JPH0564525U (ja) * 1992-02-10 1993-08-27 新キャタピラー三菱株式会社 ピンジョイント
JPH07151132A (ja) * 1993-11-30 1995-06-13 Nippon Cable Syst Inc クリップ付き軸端座金およびそれを用いた連結構造
JP2005248912A (ja) * 2004-03-08 2005-09-15 Ntn Corp バルブクリアランス自動調整装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6075709U (ja) * 1983-10-28 1985-05-27 井関農機株式会社 連結杆
JPH0564525U (ja) * 1992-02-10 1993-08-27 新キャタピラー三菱株式会社 ピンジョイント
JPH07151132A (ja) * 1993-11-30 1995-06-13 Nippon Cable Syst Inc クリップ付き軸端座金およびそれを用いた連結構造
JP2005248912A (ja) * 2004-03-08 2005-09-15 Ntn Corp バルブクリアランス自動調整装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009031935A1 (de) 2009-07-07 2011-01-13 Schaeffler Technologies Gmbh & Co. Kg Ventilspielausgleichselement mit mechanischer, automatischer Nachstellung
DE102010024199A1 (de) 2010-06-17 2011-12-22 Schaeffler Technologies Gmbh & Co. Kg Mechanisches Ventilspielausgleichselement mit Montage-/Transportsicherung
DE102010024200A1 (de) 2010-06-17 2011-12-22 Schaeffler Technologies Gmbh & Co. Kg Ventilspielausgleichselement mit mechanischer Nachstellung
DE102010026851A1 (de) 2010-07-12 2012-01-12 Schaeffler Technologies Gmbh & Co. Kg Mechanisches Ventilspielausgleichselement mit einer Sicherungseinrichtung gegen ungewolltes Herausdrehen
DE102010032635A1 (de) 2010-07-29 2012-02-02 Schaeffler Technologies Gmbh & Co. Kg Mechanisches Ventilspielausgleichselement mit einer inneren Sicherungseinrichtung gegen ungewolltes Herausdrehen
DE102012201914A1 (de) 2012-02-09 2013-08-14 Schaeffler Technologies AG & Co. KG Transportsicherung mit Zusatzfunktion
WO2013117374A1 (de) 2012-02-09 2013-08-15 Schaeffler Technologies AG & Co. KG Transportsicherung mit zusatzfunktion

Also Published As

Publication number Publication date
JP2008232040A (ja) 2008-10-02

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