- Patent Title: Intake air quantity control device for internal combustion engine
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Application No.: US14055010Application Date: 2013-10-16
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Publication No.: US09624840B2Publication Date: 2017-04-18
- Inventor: Kazuhisa Kurita , Chiaki Sugano , Naruhiko Kawasaki
- Applicant: Mitsubishi Electric Corporation
- Applicant Address: JP Chiyoda-ku, Tokyo
- Assignee: Mitsubishi Electric Corporation
- Current Assignee: Mitsubishi Electric Corporation
- Current Assignee Address: JP Chiyoda-ku, Tokyo
- Agency: Sughrue Mion, PLLC
- Agent Richard C. Turner
- Priority: JP2013-085414 20130416
- Main IPC: F02D11/10
- IPC: F02D11/10 ; F02D9/10

Abstract:
In the intake air quantity control device, a ring-shaped convex portion having an outer diameter being smaller than an inner diameter of the wave washer for damping the drive motor is formed on the bottom surface of the cylinder-shaped hole of the throttle body, and tapered portions are provided at an outer-diameter corner of the ring-shaped convex portion and at an outer-diameter corner of the bottom surface of the cylinder-shaped hole of the throttle body.
Public/Granted literature
- US20140305404A1 INTAKE AIR QUANTITY CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE Public/Granted day:2014-10-16
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