Control couplings and gearing combined therewith

Details Control couplings and gearing combined therewith Control couplings and gearing combined therewith

1976-02-23

1978-06-27

Scott, Samuel

Brakes

Wheel

Transversely movable

74711, 188276, 192 58B, 192 82T, F16D 380, F16H 144, F16D 1900, F16D 3100

Patent

active

040967123

ABSTRACT:
A control coupling, particularly for use with a differential gearing, the coupling including an enclosure containing a viscous liquid and first and second mutually interleaved sets of annular plates arranged for rotation about a common axis within the enclosure. The first set of plates are arranged to be connected with a first rotatable member and the second set of plates being arranged to be connected with a second rotatable member, and the plates of at least one set are free to move in directions parallel to the common axis. One of the sets of plates are mounted on a hollow hub which projects within the enclosure and which has a bore which is open to, and forms part of, the enclosure volume. A piston is slidable in this bore to vary the volume of the enclosure and springs are located in the bore to urge the piston towards a limit position in which the volume of the bore in communication with the remainder of the enclosure is at a minimum. The piston is displaceable against the spring, in response to increases in liquid pressure in the enclosure, to increase the volume of the enclosure.

REFERENCES:
patent: 1238447 (1917-08-01), Severy
patent: 2532656 (1970-12-01), Backus et al.
patent: 2743792 (1956-05-01), Ransom
patent: 2775317 (1956-12-01), Sinisterra
patent: 2869399 (1969-01-01), Miles
patent: 2955472 (1960-10-01), Krupick et al.
patent: 3211022 (1965-10-01), Anderson
patent: 3228494 (1966-01-01), Rumsey
patent: 3534633 (1970-10-01), Chocholek
patent: 3760922 (1973-09-01), Rolt et al.
patent: 3869940 (1975-03-01), Webb et al.
patent: 3907079 (1975-09-01), Chapman
patent: 4022084 (1977-05-01), Pagdin et al.
patent: 4040271 (1977-08-01), Rolt et al.

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