US 11,892,095 B2
Valve device
Takuya Hamada, Kariya (JP); Hiroki Shimada, Kariya (JP); Akira Higuchi, Kariya (JP); Takehito Mizunuma, Kariya (JP); Syota Kimura, Kariya (JP); and Ryou Sano, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Dec. 2, 2021, as Appl. No. 17/540,979.
Application 17/540,979 is a continuation of application No. PCT/JP2020/020922, filed on May 27, 2020.
Claims priority of application No. 2019-108987 (JP), filed on Jun. 11, 2019.
Prior Publication US 2022/0090700 A1, Mar. 24, 2022
Int. Cl. F16K 31/53 (2006.01); B60H 1/00 (2006.01); F16K 31/04 (2006.01); F16K 11/074 (2006.01); F16K 11/085 (2006.01); F16K 11/087 (2006.01); F16K 31/44 (2006.01)
CPC F16K 31/535 (2013.01) [B60H 1/00328 (2013.01); B60H 1/00485 (2013.01); F16K 11/074 (2013.01); F16K 11/085 (2013.01); F16K 11/0876 (2013.01); F16K 31/047 (2013.01); F16K 31/44 (2013.01); F16K 31/53 (2013.01); B60H 2001/00307 (2013.01); Y10T 137/86533 (2015.04); Y10T 137/86863 (2015.04); Y10T 137/86871 (2015.04)] 11 Claims
OG exemplary drawing
 
1. A valve device through which a fluid flows for a vehicular temperature control device including a first heat exchanger exchanging heat between air outside a cabin and the fluid to radiate heat of the fluid to the air and a second heat exchanger exchanging heat between air flowing into the cabin and the fluid to heat the air, comprising:
a driving source making a rotational motion;
a rotated part provided rotatably around a predetermined axis;
a fluid passage portion having a first flow hole and a second flow hole for passing the fluid;
a gear mechanism having a plurality of gears to transmit the rotational motion of the driving source to the rotated part by engagement between the plurality of gears to rotate the rotated part;
a biasing part biasing the rotated part toward one side in a circumferential direction about the predetermined axis;
a first outlet port coupled with an upstream side, in a fluid flow, of the first heat exchanger and letting the fluid flow out to the first heat exchanger;
a second outlet port coupled with an upstream side, in a fluid flow, of the second heat exchanger and letting the fluid flow out to the second heat exchanger; and
an inlet port coupled with a downstream side, in a fluid flow, of the first heat exchanger and a downstream side of the second heat exchanger and into which the fluid flows from the first heat exchanger and the second heat exchanger, wherein
the rotated part includes a rotor increasing or reducing an opening of the first flow hole and an opening of the second flow hole in conjunction with rotation of the rotated part,
the biasing part biases the rotated part toward the one side in the circumferential direction by an energization force biasing the rotated part toward the one side in the circumferential direction,
when the fluid flows from the inlet port to the first outlet port, the fluid passes through the first flow hole and then flows to the first outlet port,
when the fluid flows from the inlet port to the second outlet port, the fluid passes through the second flow hole and then flows to the second outlet port, and
the rotor increases or reduces the opening of the first flow hole by being rotated according to the rotational motion of the driving source while being biased toward the one side in the circumferential direction by the biasing part.