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Patent Searching and Data


Title:
CONTROL SYSTEM FOR AUTOMATIC PARKING BRAKE OF RAIL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2018/147830
Kind Code:
A8
Abstract:
A control valve (10) for an automatic parking brake having an inlet (20) for coupling to a source a brake pipe pressure, an outlet (22) for coupling to a control inlet of the automatic parking brake and a pilot (24) for coupling to the source of brake pipe pressure. The control valve is moveable between a first position where the inlet is in communication with the outlet and a second position where the inlet and the outlet are isolated from each other in response to a predetermined amount of brake pipe pressure at the pilot. The control valve includes a spring biasing the control valve into the first position.

Inventors:
CALL DERICK (US)
Application Number:
US2017/016835
Publication Date:
July 25, 2019
Filing Date:
February 07, 2017
Export Citation:
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Assignee:
NEW YORK AIR BRAKE LLC (US)
International Classes:
B60T15/02; B60T17/08; B60T17/16; F15B15/26
Attorney, Agent or Firm:
NOCILLY, David, L. et al. (US)
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