Low wattage, high flow electrical control valve

Details for Australian Patent Application No. 2002318891 (hide)

Owner Westinghouse Air Brake Company

Inventors Carroll, John B

Agent Griffith Hack

Pub. Number AU-B-2002318891

Parent 73974

Filing date 13 December 2002

Wipo publication date 10 April 2003

Acceptance publication date 22 April 2004

International Classifications

F16K 031/126 Operating means - the fluid acting on a diaphragm, bellows, or the like

B60T 013/68 Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive - by electrically-controlled valves

G05D 016/20 Control of fluid pressure - characterised by the use of electric means

Event Publications

16 January 2003 Complete Application Filed

10 April 2003 Application Open to Public Inspection

  Published as AU-B-2002318891

22 April 2004 Application Accepted

  Published as AU-B-2002318891

12 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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