Brake operating system for use in electrically driven vehicles

Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric

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303 6A, 303 52, B60T 1374

Patent

active

040023737

ABSTRACT:
Brake operating system for use in electrically driven vehicles having an electric brake and a pneumatic brake. Both the electric and pneumatic brakes are respectively operated by their respective operating apparatus different from and independent of each other when a brake pedal is depressed. The operating apparatus of the electric brake comprises a rheostat and a mechanism for mechanically operating the rheostat by depression of the brake pedal, while that of the pneumatic brake comprises a compressed air, pneumatic circuit divided into two lines independent of each other so as to respectively introduce the compressed air into two pairs of power clusters which are respectively connected to respective brakes for front and rear wheels, and a pair of brake valves respectively provided in the pneumatic circuit lines and simultaneously operated by depression of the brake pedal.

REFERENCES:
patent: 3507541 (1970-04-01), Ayers, Jr.
patent: 3545815 (1970-12-01), Berg
patent: 3650568 (1972-03-01), Poplawski
patent: 3712685 (1973-01-01), Hoffmann
patent: 3730596 (1973-05-01), Felix et al.

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