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Title:
ACTUATOR
Document Type and Number:
Japanese Patent JP2011025750
Kind Code:
A
Abstract:

To provide an actuator even with a hydraulic type capable of enhancing the ride quality in a vehicle.

The actuator A includes a cylinder C to be interposed between a railroad vehicle body B and a bogie W, and a hydraulic pump 1 to be driven by a motor M for supplying the hydraulic pressure to the cylinder C. The actuator A inclines the railroad vehicle body B to the bogie W, and has a damper circuit 13 for functioning the cylinder C as a damper, and allows the damper circuit 13 available when the railroad vehicle runs straight.


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Inventors:
ITO TATSUO
SUGAWARA HIROSHI
KISHI TOSHIHIRO
AOKI ATSUSHI
Application Number:
JP2009171186A
Publication Date:
February 10, 2011
Filing Date:
July 22, 2009
Export Citation:
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Assignee:
KYB CO LTD
International Classes:
B61F5/22; F16F15/02; F16F9/16
Domestic Patent References:
JP2011025751A2011-02-10
JPH04126663A1992-04-27
JPH10236306A1998-09-08
JP2004291897A2004-10-21
JP2007331413A2007-12-27
JP2008247335A2008-10-16
JP2009137422A2009-06-25
JP2009137423A2009-06-25
JP2009137424A2009-06-25
JP2009137425A2009-06-25
JP2009137421A2009-06-25
JP2007176400A2007-07-12
Attorney, Agent or Firm:
Izumi Amano
Ken Ishikawa



 
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