Title:
VEHICULAR DAMPER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/004471
Kind Code:
A1
Abstract:
Disclosed is a vehicular damper system characterized by comprising an electromagnetic damper (10) provided with: (i) 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 (ii) an external circuit (90) disposed outside of the motor (46) and including (A) a first connection passage (CFEB) for allowing only the flow of an electric current from a first terminal (100) of the two terminals of the motor (46) to the other second terminal (102), and (B) a second connection passage (DFEA) for allowing only the flow of an electric current from the second terminal (102) to the first terminal (100), wherein a generated electric current by the motor (46) flows through the first connection passage (CFEB), for an approaching action of the spring upper portion and the spring lower portion, whereas the generated electric current by the motor (46) flows through the second connection passage (DFEA), for a leaving action, to thereby generate an attenuating force dependent on an electromotive force to occur in the electromagnetic motor (46). The damper system can easily differentiate the attenuating characteristics for the approaching actions of the spring upper portion and the spring lower portion and the attenuating characteristics for the leaving actions.
Inventors:
OGAWA ATSUSHI (JP)
Application Number:
PCT/JP2009/062457
Publication Date:
January 13, 2011
Filing Date:
July 08, 2009
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
OGAWA ATSUSHI (JP)
OGAWA ATSUSHI (JP)
International Classes:
B60G17/00; B60G17/016; F16F15/03; H02P7/06
Foreign References:
JP2009029368A | 2009-02-12 | |||
JP4116796B2 | 2008-07-09 | |||
JP3722127B2 | 2005-11-30 | |||
JPH08156561A | 1996-06-18 | |||
JP2007290669A | 2007-11-08 | |||
JP2007037264A | 2007-02-08 | |||
JP2001310736A | 2001-11-06 |
Other References:
See also references of EP 2452841A4
Attorney, Agent or Firm:
CHUBU PATENT OFFICE (JP)
Central patent business corporation international patent firm (JP)
Central patent business corporation international patent firm (JP)
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