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Title:
VEHICULAR DAMPER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/004470
Kind Code:
A1
Abstract:
Disclosed is a vehicular damper system characterized by comprising: an electromagnetic damper provided with (α) an electromagnetic motor (46) for acting in accordance with the approaching and leaving actions of a spring upper portion and a spring lower portion, and (β) an external circuit (90) including (A) a first connection passage (CFEB) for allowing only the flow of the generated electric current of the motor (46) accompanying an approaching action, (B) a second connection passage (DFEA) for allowing only the generated electric current of the motor (46) accompanying a leaving action, (C) a charging device connecting circuit for connecting the motor (46) and a charging device (120), and (D) charging-device connecting circuit current adjusters (108, 114, 122 and 124) for adjusting the electric current to flow therethrough; and an external circuit control device (200) for controlling the external circuit (90) to thereby control the electric current to flow through the motor (46).  The damper system can easily differentiate the attenuating characteristics for the approaching action and the attenuating characteristics for the leaving action, and can control even a propelling force to be generated by the electromagnetic damper, so that the damper system has excellent vibration-attenuating characteristics.

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Inventors:
OGAWA ATSUSHI (JP)
HONMA MOTOHIKO (JP)
INOUE HIROFUMI (JP)
Application Number:
PCT/JP2009/062453
Publication Date:
January 13, 2011
Filing Date:
July 08, 2009
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
OGAWA ATSUSHI (JP)
HONMA MOTOHIKO (JP)
INOUE HIROFUMI (JP)
International Classes:
B60G17/016; B60G17/00; F16F15/03; H02P7/06
Foreign References:
JP2003054234A2003-02-26
JPH0699711A1994-04-12
JP2007118714A2007-05-17
JP4116796B22008-07-09
JP3722127B22005-11-30
JP2007290669A2007-11-08
JP2007037264A2007-02-08
JP2001310736A2001-11-06
JP3787038B22006-06-21
Other References:
See also references of EP 2452840A4
Attorney, Agent or Firm:
CHUBU PATENT OFFICE (JP)
Central patent business corporation international patent firm (JP)
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