US 12,296,802 B2
Vehicle brake fluid pressure control device
Kanako Kogure, Ueda (JP)
Assigned to HITACHI ASTEMO UEDA, LTD., Nagano (JP)
Appl. No. 18/003,716
Filed by HITACHI ASTEMO UEDA, LTD., Ueda (JP)
PCT Filed Jun. 21, 2021, PCT No. PCT/JP2021/023296
§ 371(c)(1), (2) Date Dec. 29, 2022,
PCT Pub. No. WO2022/004442, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 2020-112649 (JP), filed on Jun. 30, 2020.
Prior Publication US 2023/0264662 A1, Aug. 24, 2023
Int. Cl. B60T 7/12 (2006.01)
CPC B60T 7/12 (2013.01) [B60W 2520/125 (2013.01); B60W 2520/14 (2013.01); B60W 2710/182 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A vehicle brake fluid pressure control device capable of exercising a vehicle stop time pressure holding control under which a brake fluid pressure is held when it is determined that a vehicle has been stopped,
wherein the vehicle brake fluid pressure control device is configured such that when a vehicle stop time pressure holding control switch for selectively enabling and disabling execution of the vehicle stop time pressure holding control is ON, if a condition for starting the vehicle stop time pressure holding control has been fulfilled, the vehicle stop time pressure holding control is executed, and when the vehicle stop time pressure holding control switch is OFF, even if the condition for starting the vehicle stop time pressure holding control has been fulfilled, the vehicle stop time pressure holding control is not executed, and
the vehicle brake fluid pressure control device is configured such that if a first condition which includes an amount of lateral motion of the vehicle being equal to or greater than a specified value, and an absolute value of frontward/rearward acceleration undergone by the vehicle being equal to or greater than a first threshold is fulfilled during the vehicle stop time pressure holding control, the vehicle stop time pressure holding control is canceled even if the vehicle stop time pressure holding control is not switched off and an operation member for operating the vehicle is not operated.