Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Air Brake CofiledCriticalWestinghouse Air Brake Co
Publication of CA2109371A1publicationCriticalpatent/CA2109371A1/en
Application grantedgrantedCritical
Publication of CA2109371CpublicationCriticalpatent/CA2109371C/en
Valves And Accessory Devices For Braking Systems
(AREA)
Abstract
A diaphragm-type of variable load control valve device having a diaphragm piston assembly for effectively providing pressurized fluid to the brake cylinders of a railway vehicle in accordance with the brake demand established by a vehicle operator and at a pressure level in conformance with the load condition of the vehicle.
CA 21093711993-06-111993-10-27Variable load control valve device
Expired - Fee RelatedCA2109371C
(en)