Electropneumatic power door lock control for motor vehicle

Details Electropneumatic power door lock control for motor vehicle Electropneumatic power door lock control for motor vehicle

1986-12-08

1988-03-01

Wolfe, Robert L.

Locks

Systems

Operation and control

70267, 70277, E05B 5300

Patent

active

047277351

ABSTRACT:
An electropneumatic door lock control in which a pump activatable to generate a first or second pressure is controlled by a bistable pressure latch and communicated through passenger lock and auxiliary solenoids to pneumatic passenger lock and auxiliary actuators. Initiation means for first and second locking operations of a passenger door lock and a third locking operation of an auxiliary lock are interconnected with the bistable pressure latch, a bistable passenger latch and a bistable auxiliary latch and first and second timers to control the locking operations so that the first and second locking operations generate different pressures but activate the same timer for a duration of activation while the third locking operation generates one of the pressures but activates the other timer for a different duration of activation. With each activation of one of the initiation means the non-chosen latches and timer are deactivated. The auxiliary actuator may be a vehicle trunk lid release or fuel filler door release.

REFERENCES:
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patent: 3084757 (1963-04-01), Oishei et al.
patent: 3096112 (1961-11-01), Johnstone
patent: 3111184 (1960-03-01), Oishei
patent: 3653237 (1972-04-01), DuRocher
patent: 4181191 (1980-01-01), Hoffmann et al.
patent: 4253319 (1981-03-01), Feichtiger et al.
patent: 4466263 (1984-08-01), Rathmann
patent: 4468942 (1984-09-01), Grabner et al.
patent: 4519227 (1985-05-01), Dumbser et al.
patent: 4676082 (1987-06-01), Huber et al.

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