US 11,788,634 B2
Valve device
Shingo Sato, Kariya (JP); Yuto Sato, Kariya (JP); Masato Ichikawa, Kariya (JP); Akihiko Goto, Kariya (JP); Tadashi Ikemoto, Kariya (JP); Ryo Nomura, Kariya (JP); Ryuki Tsuji, Kariya (JP); Takahito Suzuki, Kariya (JP); and Shogo Kanzaki, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Dec. 15, 2022, as Appl. No. 18/81,982.
Application 17/718,407 is a division of application No. 17/105,878, filed on Nov. 27, 2020, granted, now 11,333,258, issued on May 17, 2022.
Application 18/081,982 is a continuation of application No. 17/718,407, filed on Apr. 12, 2022, granted, now 11,560,958.
Application 17/105,878 is a continuation of application No. PCT/JP2019/021179, filed on May 29, 2019.
Claims priority of application No. 2018-105458 (JP), filed on May 31, 2018; and application No. 2018-233919 (JP), filed on Dec. 13, 2018.
Prior Publication US 2023/0110298 A1, Apr. 13, 2023
Int. Cl. F16K 11/07 (2006.01); F16K 27/04 (2006.01); F01P 3/02 (2006.01); F01P 5/10 (2006.01); F01P 7/14 (2006.01); F16K 11/076 (2006.01)
CPC F16K 11/076 (2013.01) [F16K 27/041 (2013.01); F01P 3/02 (2013.01); F01P 5/10 (2013.01); F01P 7/14 (2013.01); F01P 2007/146 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A valve device configured to control coolant water of a heating element of a vehicle, the valve device comprising:
a housing having a housing main body defining an internal space therein, a port fluidly connecting the internal space and an outside of the housing main body to each other, and a housing opening portion fluidly connecting the internal space and the outside of the housing main body to each other;
a valve having a valve body rotatable about a rotation axis inside the internal space, a valve body internal flow channel defined inside the valve body, a valve body opening portion fluidly connecting the valve body internal flow channel and an outside of the valve body to each other, and a shaft extending along the rotation axis, the valve changing a communication state between the valve body internal flow channel and the port via the valve body opening portion in accordance with a rotation position of the valve body;
a partition wall portion disposed in the housing opening portion to separate the internal space and the outside of the housing main body from each other, the partition wall rotatably receiving the shaft as a bearing;
a drive unit cover disposed on a side of the partition wall portion opposite to the internal space, the drive unit cover defining a drive unit space between the drive unit cover and the partition wall portion; and
a drive unit disposed in the drive unit space and configured to rotate the valve body via the shaft.