Power operated, remotely controlled transmission

Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position

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Details

74867, 192 358, 192 362, 192103F, 192109F, B60K 4108, F16D 6700, F16D 2310, F16D 1100

Patent

active

045438560

ABSTRACT:
A remotely controlled automotive transmission shifting mechanism for effecting engagement of the respective gears with a force that varies in accordance with the gear selected. Pneumatic pressure from a compressed air storage tank is connected via a choke to a pneumatic actuating cylinder that effects gear engagement. A signal corresponding to the instantaneous pressure effective at the actuating cylinder is compared in an evaluating circuit with a reference value assigned to the gear selected. When the compared signals match, a solenoid valve is actuated to cut off further pressurization of the actuating cylinder and thereby modulate the gear actuating force in accordance with the gear selected. Following gear engagement, the gear actuating pressure is released.

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patent: 3834499 (1974-09-01), Candellero et al.
patent: 3946842 (1976-03-01), Siebers et al.
patent: 4019614 (1977-04-01), Prenzel et al.
patent: 4106367 (1978-08-01), Bouvet
patent: 4324322 (1982-04-01), Sibend
patent: 4373619 (1983-02-01), Schritt et al.
patent: 4388845 (1983-06-01), Kishi et al.

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