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Patent Searching and Data


Title:
FLOW CONTROL VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/212892
Kind Code:
A1
Abstract:
A flow control valve device according to the present invention is provided with: a housing that has two pump ports, two tank ports, a first supply/discharge port, a second supply/discharge port, and a spool hole; a first spool that switches, according to the position thereof, the connection state of one of the pump ports, one of the tank ports, and the first supply/discharge port; a first actuator that moves the first spool to each of a first supply position and a first discharge position; a second spool that switches, according to the position thereof, the connection state of the other pump port, the other tank port, and the second supply/discharge port; and a second actuator that moves the second spool to each of a second supply position and a second discharge position. The first spool and the second spool are inserted into the one spool hole in a reciprocatable manner.

Inventors:
TANAKA HIDEKI
KONDO AKIHIRO
SASAKI SHINYA
Application Number:
PCT/JP2017/018704
Publication Date:
December 14, 2017
Filing Date:
May 18, 2017
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F16K11/22
Foreign References:
JPH06129567A1994-05-10
JP2016053410A2016-04-14
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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