Motors: expansible chamber type – Cutoff after single complete cycle – Reversal responsive to motive fluid pressure change
Patent
1981-08-24
1984-10-23
Garrett, Robert E.
Motors: expansible chamber type
Cutoff after single complete cycle
Reversal responsive to motive fluid pressure change
91392, 91433, 91448, 91453, 91459, 180271, F15B 1115, F15B 13044, F15B 1520
Patent
active
044781318
ABSTRACT:
An electro-pneumatic door control apparatus for use on public vehicles and including reversing mechanism for changing the direction of door movement, either automatically or operator-initiated, in the event of an obstruction in the door. The control apparatus further includes a flip-flop for recording the position (either open or closed) of the door at all times, a monitoring logic device for recognizing the position of the flip-flop and what type of monitoring function is permitted, a control logic device for picking up the door command and the signal from the monitoring logic device combing them and transmitting them to a valve solenoid control device for energizing respective solenoids of several valve devices by which the appropriate movement of the doors is effected.
REFERENCES:
patent: 2578810 (1951-12-01), Kilar et al.
patent: 3003317 (1961-10-01), Schroeder et al.
patent: 3828698 (1974-08-01), Delamater et al.
patent: 3916567 (1975-11-01), Daugirdas
patent: 3922814 (1975-12-01), Runft
patent: 3943972 (1976-03-01), Bitonti et al.
patent: 4134231 (1979-01-01), Daugirdas et al.
patent: 4263746 (1981-04-01), Eller et al.
Gudat Wolfgang
Hesse Karl-Heinz
Liermann Peter
Meyer Dietmar
Bradley, IV Abram McConnell
Garrett Robert E.
Visk R. S.
WABCO Fahrzeugbremsen GmbH
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