Pneumatic emergency brake assurance module

Details Pneumatic emergency brake assurance module Pneumatic emergency brake assurance module

2006-08-16

2010-02-16

Schwartz, Christopher P (Department: 3657)

Fluid-pressure and analogous brake systems

Speed-controlled

Pneumatic

C303S127000, C303S022600

Reexamination Certificate

active

07661770

ABSTRACT:
A pneumatic emergency brake assurance module comprises a high capacity transfer valve connected in a first position to the output of the variable load relay valve and in a second position connected to a source of emergency braking air pressure. A timing reservoir is in communication with the pilot port of the high capacity transfer valve. A check valve/choke circuit provides parallel connections between a double check valve and the output of the variable load relay valve such that flow from the variable load relay valve passes through a charging choke and opposite flow to the variable load relay valves passes through a dissipation choke.

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