Fluid-pressure and analogous brake systems – Speed-controlled – Odd condition or device detection
Reexamination Certificate
2005-10-25
2005-10-25
Williams, Thomas (Department: 3683)
Fluid-pressure and analogous brake systems
Speed-controlled
Odd condition or device detection
C188S073350
Reexamination Certificate
active
06957875
ABSTRACT:
A brake squeal control device is proposed which carries out squeal control by specifying travel state and temperature conditions in which brake noise tends to be produced. The brake squeal control device is adapted to feed detection signals from a sensor group that indicates the travel state of the vehicle from a stepping force sensor or wheel speed sensors, and a sensor group that indicates the temperature state from an engine cooling water temperature sensor, a car compartment temperature sensor, a caliper temperature sensor or an outer air temperature sensor to a control circuit. If conditions corresponding to an “in-the-cold” and “first-in-the-morning” states are detected by computing in the control circuit, a solenoid valve is turned on and off to suppress brake squeals.
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Kamiya Masahiko
Kondo Hiroshi
Oba Daizo
Sakai Moriharu
Sasaki Shin
Advics Co., Ltd.
Buchanan & Ingersoll PC
Williams Thomas
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