Electronic braking device

Details Electronic braking device Electronic braking device

2008-03-04

2008-03-04

Schwartz, Christopher P. (Department: 3683)

Fluid-pressure and analogous brake systems

Multiple systems

Fluid pressure and electric

C303S155000

Reexamination Certificate

active

07338136

ABSTRACT:
An electronic braking device is provided which easily generates a braking force depending on the amount of brake operation in a range in which the amount of brake operation is small, just after the start of brake operation, and which protects a fluid pressure sensor from a fluid pressure beyond its tolerance. The electronic braking device activates a brake caliper through an electronic control unit (ECU) according to a signal in response to a braking request from a driver, and is provided with a first pressure sensor and a second pressure sensor for detecting the requested braking amount. The first pressure sensor and the second pressure sensor are different from each other in detection resolution and detection range. A relief valve unit r is provided which, when a fluid pressure above a prescribed level is applied to the master cylinder3, relieves this fluid pressure.

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