BRAKE CONTROL DEVICE - TOYOTA MOTOR CORP

Title:

BRAKE CONTROL DEVICE

Document Type and Number:

Japanese Patent JP2007186010

Kind Code:

A

Abstract:

To provide a technology avoiding the leakage of pressure when an inexpensive pressure holding valve is used in an electronic control brake system.

In the brake control device, a differential controlling means 102 controls a motor 36a of a pump to make the pressure of an accumulator be in a set pressure range decided by an upper limit value and a lower limit value. A state obtaining means 100 obtains a status value of the pressure holding valve from a voltmeter 81 and a thermometer 91. When the pressure holding valve is in a predetermined state, a pump actuating condition setting means 104 sets the upper limit value of the set pressure range of the accumulator so as not to exceed a holding possible pressure value in the state of the pressure holding valve.

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Inventors:

NAKAMURA EIJI

Application Number:

JP2006003929A

Publication Date:

July 26, 2007

Filing Date:

January 11, 2006

Export Citation:

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Assignee:

TOYOTA MOTOR CORP

International Classes:

B60T8/00; B60T17/02

Attorney, Agent or Firm:

Sakaki Morishita
Yusuke Murata
Tomoyuki Miki

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