公开(公告)号：CA966726A

公开(公告)日：1975-04-29

申请号：CA168068

申请日：1973-04-06

Applicant: VAPOR CORP

Inventor： GRITCHEN RALPH A ,  DAUGIRDAS KRISTUPAS ,  MASIOKAS BRUNO ,  TOWNSEND RICHARD H

IPC: B61D23/00 ,  B61D23/02

Abstract: A door system for a railway passenger car which accommodates both high and low level boarding platforms includes a sliding upper door for both high and low level boarding, a segmented lower door immediately below the upper door for low level boarding, and a staircase connecting the floor of the car to the lower door opening. The staircase is covered by a segmented sliding floor panel during high level boarding, and the sliding floor panel and lower door are retracted to fully enclosed positions under the staircase during low level boarding.

公开(公告)号：CA1178302A

公开(公告)日：1984-11-20

申请号：CA399639

申请日：1982-03-29

Applicant: VAPOR CORP

Inventor： CONDON JAMES E ,  ROTH CARL W ,  GRITCHEN RALPH A

IPC: B60G11/26

Abstract: A system for controlling the kneeling operation of air suspension equipped transit vehicles includes air suspension members mounted at the wheels of the transit vehicle and a fluid reservoir. A fluid circuit is included that communicates the reservoir with each of the air suspension members. An exhaust control valve and a fluid flow control valve are included in the circuit at each air suspension member. The system also includes a control valve for the front wheels of the vehicle and a by-pass valve for bypassing the control valve for the front wheels.