Automatic sequential control device

Details Automatic sequential control device Automatic sequential control device

1974-05-29

1976-08-24

Wood, Jr., M. H.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

74336R, 74752A, 74752B, 74865, 251 25, 251129, F16H 524, F16H 560

Patent

active

039761592

ABSTRACT:
The present invention relates to a device for automatically activating a machine as a function of a base signal without using electrical contacts.
The device according to the invention consists principally of means supplying a variable electric current as a function of the rate to be imparted to the machine, of a servolimiter converting into a variable hydraulic control pressure said electric current duly processed and amplified, of at least one hydraulic distributor associated with at least one control jack, the slide valves of the distributor being subject to the action of said variable hydraulic control pressure and at least to the action of counteracting elastic means having predetermined calibration values and the associated jacks being activated by a general service pressure transmitted by the distributors and acting on the elements of the machine to be controlled automatically.

REFERENCES:
patent: 3460406 (1969-08-01), Strohm
patent: 3621735 (1971-11-01), Lemieux
patent: 3727487 (1973-04-01), Forster
patent: 3768338 (1973-10-01), Bahorich
patent: 3797330 (1974-03-01), Ushisima
patent: 3823621 (1974-07-01), Kubo

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