Importance

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Abstract

A brake hydraulic pressure control apparatus providing anti-lock control for preventing the locking of vehicle wheels during braking and providing traction control to prevent slipping of the vehicle wheels during starting or accelerating of the vehicle, the apparatus comprises a master cylinder assembly including a body portion and an adaptor portion removably attached to an end of the body portion. A distributor assembly removably attached to the master cylinder assembly includes a predetermined number of control channels for controlling vehicle wheels and a predetermined number of electromagnetic valves corresponding to the predetermined number of control channels. The electromagnetic valves are disposed in hydraulic passages for performing anti-lock and traction control on the vehicle wheels. An anti-lock control electromagnetic valve having opposed ends is disposed between the body portion and the adaptor portion, wherein the anti-lock control valve includes a first and second ports. A first receiving portion formed in the master cylinder body portion removably receives the first port of the anti-lock control valve. A second receiving portion formed in the adaptor portion removably receives the second port of the anti-lock control valve. The apparatus further comprises a traction control valve removably disposed between the arm portion of the reservoir and an upper portion of the adaptor portion.

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First Claim