Electro-pneumatic brake apparatus for railway vehicles

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

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200 83R, 303 3, 303 22R, 303 40, B60T 1368, B60T 1514

Patent

active

039442870

ABSTRACT:
Electro-pneumatic brake apparatus for railway vehicles including a dynamic brake portion and a fluid pressure operable brake portion both of which are actuated by a common variable signal which produces a corresponding control pressure for effecting operation of said fluid pressure operable portion, such control pressure also being simultaneously converted to an electrical control pulse for effecting operation of the dynamic brake portion at the same time as, or at least not ahead of, the fluid pressure operable portion. The apparatus is further provided with a combined electro-pneumatic monitoring device for determining the sufficiency of the combined brake application.

REFERENCES:
patent: 3488570 (1970-01-01), Vint, Jr. et al.
patent: 3730596 (1973-05-01), Felix et al.
patent: 3761142 (1973-09-01), Williams et al.
patent: 3799623 (1974-03-01), Wickham et al.
patent: 3823984 (1974-07-01), Parfitt et al.

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