192 clutches and power-stop control – Clutches – Torque responsive
Patent
1983-09-02
1985-12-31
Smith, Leonard E.
192 clutches and power-stop control
Clutches
Torque responsive
192 82T, F16D 4325
Patent
active
045615292
ABSTRACT:
A torque-limiting clutch includes an input member, an output member, and a friction element relatively movable to an engaged position for frictionally engaging the clutch and to a disengaged position in which the clutch is disengaged. An actuating device develops a clutch-engaging force tending to move the friction element relatively to its engaged position and thereby effect clutch engagement at a predetermined torque load setting. A thermal spring responsive to a small temperature increase develops a clutch-disengaging force tending to move the friction element relatively to its disengaged position and thereby effect rapid clutch disengagement. The thermal spring is formed from a shape memory effect material.
REFERENCES:
patent: 2655015 (1953-10-01), Linder
patent: 3331482 (1967-07-01), Keramas
patent: 3477554 (1969-11-01), Schiffer
patent: 3730151 (1973-05-01), Smith et al.
patent: 3903712 (1975-09-01), Richter et al.
patent: 4220231 (1980-09-01), Richter et al.
patent: 4271951 (1981-06-01), Nishimura et al.
patent: 4287975 (1981-09-01), Tuzson
patent: 4290393 (1981-09-01), Hart et al.
patent: 4373924 (1983-02-01), Schuhmacher
Borg-Warner Corporation
Schachner Julian
Smith Leonard E.
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