WO2008123588A1 - ウォーム歯車および電動パワーステアリング装置 - Google Patents

ウォーム歯車および電動パワーステアリング装置 Download PDF

Info

Publication number
WO2008123588A1
WO2008123588A1 PCT/JP2008/056712 JP2008056712W WO2008123588A1 WO 2008123588 A1 WO2008123588 A1 WO 2008123588A1 JP 2008056712 W JP2008056712 W JP 2008056712W WO 2008123588 A1 WO2008123588 A1 WO 2008123588A1
Authority
WO
WIPO (PCT)
Prior art keywords
tooth
worm gear
electric power
power steering
steering device
Prior art date
Application number
PCT/JP2008/056712
Other languages
English (en)
French (fr)
Inventor
Kohtaro Shiino
Original Assignee
Hitachi, 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 Hitachi, Ltd filed Critical Hitachi, Ltd
Publication of WO2008123588A1 publication Critical patent/WO2008123588A1/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0409—Electric motor acting on the steering column
    • 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
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • 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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • F16H55/0853—Skewed-shaft arrangement of the toothed members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Gears, Cams (AREA)
  • Gear Transmission (AREA)
  • Power Steering Mechanism (AREA)

Abstract

歯の断面形状が凹円弧形状を有するウォームシャフトと、前記ウォームシャフトと噛合い、歯先面、歯元面およびこれら歯先面および歯元面との間に形成される歯面から構成され、ピッチ円と交差する歯面における法線が、前記歯元面よりも中心側を通るウォームホイールとを有することとした。
PCT/JP2008/056712 2007-04-04 2008-04-03 ウォーム歯車および電動パワーステアリング装置 WO2008123588A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-098024 2007-04-04
JP2007098024A JP4951389B2 (ja) 2007-04-04 2007-04-04 ウォーム歯車

Publications (1)

Publication Number Publication Date
WO2008123588A1 true WO2008123588A1 (ja) 2008-10-16

Family

ID=39831052

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056712 WO2008123588A1 (ja) 2007-04-04 2008-04-03 ウォーム歯車および電動パワーステアリング装置

Country Status (2)

Country Link
JP (1) JP4951389B2 (ja)
WO (1) WO2008123588A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5172754B2 (ja) * 2009-03-24 2013-03-27 日立オートモティブシステムズ株式会社 電動パワーステアリング装置
JP2010270607A (ja) * 2009-05-19 2010-12-02 Denso Corp バルブリフト可変機構用駆動装置
JP6007076B2 (ja) * 2012-11-21 2016-10-12 株式会社ミツバ 減速機付きモータ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5293856U (ja) * 1976-01-09 1977-07-13
JPH0238379U (ja) * 1988-09-07 1990-03-14
JP2002147573A (ja) * 2000-11-07 2002-05-22 Sumitomo Heavy Ind Ltd 円筒ウォーム、ウォームホィール、及びウォームギヤ
JP2003184980A (ja) * 2001-12-18 2003-07-03 Honda Motor Co Ltd 歯車装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0456250U (ja) * 1990-09-21 1992-05-14

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5293856U (ja) * 1976-01-09 1977-07-13
JPH0238379U (ja) * 1988-09-07 1990-03-14
JP2002147573A (ja) * 2000-11-07 2002-05-22 Sumitomo Heavy Ind Ltd 円筒ウォーム、ウォームホィール、及びウォームギヤ
JP2003184980A (ja) * 2001-12-18 2003-07-03 Honda Motor Co Ltd 歯車装置

Also Published As

Publication number Publication date
JP2008256061A (ja) 2008-10-23
JP4951389B2 (ja) 2012-06-13

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