Invention Grant
US08366211B2 Electric parking brake control apparatus, electric parking brake system, and method for controlling electric parking brake system
有权
电动驻车制动控制装置,电动驻车制动系统以及电动驻车制动系统的控制方法
- Patent Title: Electric parking brake control apparatus, electric parking brake system, and method for controlling electric parking brake system
- Patent Title (中): 电动驻车制动控制装置,电动驻车制动系统以及电动驻车制动系统的控制方法
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Application No.: US12021634Application Date: 2008-01-29
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Publication No.: US08366211B2Publication Date: 2013-02-05
- Inventor: Masakuni Suzuki
- Applicant: Masakuni Suzuki
- Applicant Address: JP Toyota-shi
- Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee Address: JP Toyota-shi
- Agency: Oblon, Spivak, McClellland, Maier & Neustadt, L.L.P.
- Priority: JP2007-023379 20070201
- Main IPC: B60T8/32
- IPC: B60T8/32 ; B60T13/00

Abstract:
An electric parking brake control apparatus includes: an electric parking brake actuator that pulls cables connected to respective parking brake units of wheels; a brake actuator that controls braking pressures applied to the wheels by service brakes; a pressure-increase control unit that controls the brake actuator to increase the braking pressures to a predetermined value, when a tension of the cables falls below a predetermined target tension after the cables are pulled until the target tension is achieved; and a tension-increase control unit that controls the electric parking brake actuator to pull the cables until the tension of the cables exceeds the target tension, after the brake pressures are increased by the pressure-increase control unit.
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