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Patent Searching and Data


Title:
FLUID PRESSURE DRIVE UNIT
Document Type and Number:
WIPO Patent Application WO/2013/146576
Kind Code:
A1
Abstract:
In the present invention, a fluid pressure drive unit provides working fluid to a fluid pressure actuator and drives the same. The fluid pressure drive unit is provided with the following: a fluid pressure pump that sucks in and ejects the working fluid; an electric motor for rotating and driving the fluid pressure pump; a power transmitting mechanism for transmitting power between the rotation axle of the fluid pressure pump and the rotation axle of the electric motor; and a circulation mechanism that is driven by the power transmitted by the power transmitting mechanism, and that is for cooling the electric motor by introducing fluid for lubrication that is inside of the power transmitting mechanism.

Inventors:
SUZUKI, Kazunari (World Trade Center Bldg., 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
YAKABE, Shinji (World Trade Center Bldg., 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
Application Number:
JP2013/058254
Publication Date:
October 03, 2013
Filing Date:
March 22, 2013
Export Citation:
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Assignee:
KAYABA INDUSTRY CO., LTD. (World Trade Center Bldg, 4-1 Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
International Classes:
F04B1/22; F03C1/253; F04B9/02; F04B17/05; F04B53/00; F04B53/08
Domestic Patent References:
WO2009110043A12009-09-11
WO2012023231A12012-02-23
Foreign References:
JP2010142086A2010-06-24
JPH0651610U1994-07-15
JPH11303724A1999-11-02
JP2011127569A2011-06-30
Other References:
See also references of EP 2848808A4
Attorney, Agent or Firm:
GOTO, Masaki et al. (GOTOH & PARTNERS, Shoyu-Kaikan 3-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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