US 12,459,479 B2
Hydraulic valve block and brake driving device including the same
Chungjae Lee, Gyeonggi-do (KR); I Jin Yang, Gyeonggi-do (KR); Mingeun Song, Daejeon (KR); and Heejun Kim, Gyeonggi-do (KR)
Assigned to HL MANDO CORPORATION, Gyeonggi-do (KR)
Filed by HL MANDO CORPORATION, Gyeonggi-do (KR)
Filed on Mar. 15, 2023, as Appl. No. 18/121,736.
Claims priority of application No. 10-2022-0031959 (KR), filed on Mar. 15, 2022.
Prior Publication US 2023/0294656 A1, Sep. 21, 2023
Int. Cl. B60T 17/00 (2006.01); B60T 13/66 (2006.01)
CPC B60T 17/00 (2013.01) [B60T 13/66 (2013.01); B60T 17/002 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A hydraulic valve block of a brake driving device in which an electronic control unit is supported by one side and a motor unit controlled by the electronic control unit is supported by the other side, the hydraulic valve block comprising:
a block body in which a valve operated by an electric signal input from the electronic control unit and controlling the flow of brake oil is installed;
a block through-hole formed on the block body to support the motor unit;
a vent channel formed through the block body;
a first vent hole formed at one end of the vent channel and disposed above the center of the block through-hole on the other side of the block body by which the motor unit is supported; and
a second vent hole formed at the other end of the vent channel and disposed to communicate with the electronic control unit on one side of the block body,
wherein a center of the second vent hole is disposed relatively higher than a center of the first vent hole on the block body.