Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1986-11-20
1988-05-10
Kashnikow, Andres
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
188106P, 303110, 303113, B60T 858, B60T 864, F16D 6514
Patent
active
047430745
ABSTRACT:
An anti-squeal braking system for an automotive vehicle, including a first brake having a brake rotor, a friction member disposed opposite to the brake rotor, and a hydraulically operated actuator for forcing the friction member against the brake rotor, and further including a second brake cooperating with the first brake to apply a brake to the vehicle. The first and second brakes are controlled by an anti-squeal controller such that the first brake is operated without a braking squeal, while the second brake is operated so as to provide a braking effect equal to a difference between an actual braking effect applied to the vehicle by the first brake, and a desired braking effect that should be applied to the vehicle. The desired braking effect is predetermined corresponding to an operation value of an operator-controlled brake operating member sensed by a detector device.
REFERENCES:
patent: 2402115 (1946-06-01), Levy
patent: 3630578 (1971-12-01), Kaiser
patent: 4521856 (1985-06-01), Phelps et al.
patent: 4602702 (1986-07-01), Ohta et al.
patent: 4630871 (1986-12-01), Imoto et al.
patent: 4658939 (1987-04-01), Kircher et al.
Kashnikow Andres
Newholm Timothy
Toyota Jidosha & Kabushiki Kaisha
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