Title:
CORELESS MOTOR-DRIVEN THROTTLE VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/083690
Kind Code:
A1
Abstract:
Provided is a compact throttle valve device that has excellent valve responsiveness and little unnecessary vibration. A throttle valve device (200) has a throttle body (21) provided with a cylindrical part (21c) inside of which a valve hole (21a) is formed as an air intake passage (21b), a throttle valve (22) arranged inside the cylindrical part (21c), and a coreless motor (100) as a drive motor for driving the throttle valve (22) to open and close. The throttle body (21) (housing) has hole parts (21h) in which securing members are inserted for securing the throttle body (21) to a member to be attached. The hole parts (21h) are provided in the outer peripheral vicinity of the cylindrical part (21c). The coreless motor (100) is provided near the hole parts (21h) provided in the throttle body (21). The coreless motor (100), which is compact with a long and thin shape, is provided near the hole parts (21h) provided in the throttle body (21), and the throttle valve device (200) is extremely compact.
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Inventors:
HUKASAKU YOSHINORI (JP)
WADA MASARU (JP)
TAKAHASHI YASUNOBU (JP)
WADA MASARU (JP)
TAKAHASHI YASUNOBU (JP)
Application Number:
PCT/JP2014/081845
Publication Date:
June 11, 2015
Filing Date:
December 02, 2014
Export Citation:
Assignee:
NIDEC COPAL CORP (JP)
International Classes:
F02D11/10; F02D9/02; F02D9/10
Foreign References:
| JP2012154257A | 2012-08-16 | |||
| JPH10274060A | 1998-10-13 | |||
| JPS614835A | 1986-01-10 | |||
| JP2009236119A | 2009-10-15 | |||
| JP2010116794A | 2010-05-27 |
Attorney, Agent or Firm:
EICHI Patent & Trademark Corp. (JP)
Patent business corporation Wisdom international patent firm (JP)
Patent business corporation Wisdom international patent firm (JP)
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