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Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/230752
Kind Code:
A1
Abstract:
A control unit that is capable of controlling the flow of cooling water between a radiator port and a radiator, between a heater port and a heater, and between a device port and a device, by controlling the operation of a drive unit and the rotational drive of a valve body. The control unit can control the drive unit and the valve body such that, in conjunction with the rotational drive of the valve body towards one side in the rotation direction, the heater port and the device port close and only the radiator port is opened by a prescribed amount, after the radiator port, the heater port, and the device port have all be opened by the prescribed amount.

Inventors:
NOMURA RYO (JP)
Application Number:
PCT/JP2019/021192
Publication Date:
December 05, 2019
Filing Date:
May 29, 2019
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
F01P7/16; F01P3/20; F01P7/14; F16K5/08; F16K27/06; F16K51/00
Domestic Patent References:
WO2005061867A22005-07-07
Foreign References:
JP2018025179A2018-02-15
JP2004534177A2004-11-11
JP2018040454A2018-03-15
US20170321595A12017-11-09
US6539899B12003-04-01
JP2018025182A2018-02-15
JP2005510668A2005-04-21
JP2005061417A2005-03-10
Attorney, Agent or Firm:
HATTORI Masaki (JP)
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