Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Reexamination Certificate
2005-04-26
2005-04-26
Lavinder, Jack (Department: 3683)
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
C303S113200, C303S113500, C303S186000, C303S127000
Reexamination Certificate
active
06883875
ABSTRACT:
A valve arrangement is disclosed for controlling the pressure in first and second brake actuation outputs (9, 10). First and second air inlet valves (1,3) supply air to respective ones of the actuation outputs; first and second exhaust valves (2,4) are each associated with a respective one of the inlet valves; and a link valve (11) is between the actuation outputs. The arrangement is such that the pressure in each of the actuation outputs is controllable selectively either in mode a) jointly, with the link valve enabling air flow between the actuation outputs or in mode b) independently, with the link valve blocking air flow between the brake actuation outputs.
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Bradley Andrew Ross
Tate Derek
Lavinder Jack
Sy Mariano
Welsh & Katz Ltd.
Westinghouse Brakes (UK) Limited
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