Title:
DOOR OPENING/CLOSING DEVICE AND DOOR OPENING/CLOSING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/173972
Kind Code:
A1
Abstract:
A door opening/closing device comprising a motor and a control unit that controls the rotational speed of the motor by PWM control. The door opening/closing device opens or closes a door of a vehicle using motor power, wherein the control unit performs PWM control of the motor at a PWM frequency set to be shifted from a resonance point of an installation body on which the motor is installed, the installation body including a housing unit housing the motor, a securing means securing the door opening/closing device to the vehicle, and the vehicle. Thus, a door opening/closing device that makes not much noise during an opening/closing operation is provided.
Inventors:
WATANABE YASUYUKI (JP)
KOJIMA AYAHITO (JP)
KOJIMA AYAHITO (JP)
Application Number:
PCT/JP2014/066872
Publication Date:
November 19, 2015
Filing Date:
June 25, 2014
Export Citation:
Assignee:
MITSUI KINZOKU ACT CORP (JP)
International Classes:
B60J5/10; B60J5/04; B60J5/06
Foreign References:
| JP2008005656A | 2008-01-10 | |||
| JP2006304473A | 2006-11-02 | |||
| JP2005082019A | 2005-03-31 |
Other References:
See also references of EP 2974895A4
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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