192 clutches and power-stop control – Clutches – Operators
Patent
1998-07-22
2000-03-14
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
192106F, 192109F, F16D 250638
Patent
active
060359897
ABSTRACT:
A clutch-actuated piston structure is provided for engaging and releasing a clutch engaging member 23 of a power disconnecting clutch 9. The clutch-actuated piston structure is especially useful in a torque converter. The clutch-actuated piston structure is powered by hydraulic oil from the torque converter or other device. The hydraulic oil is discharged from the torque converter through one or more oil paths 47. The clutch-actuated piston structure has a piston 25 movably coupled to a hydraulic chamber structural member 26. The piston 25 and the hydraulic chamber structural member 26 form therebetween a first hydraulic chamber A and a second hydraulic chamber B. The first hydraulic chamber A receives the hydraulic oil from the torque converter or other device. The second hydraulic chamber B is connected to the first hydraulic chamber A via a diaphragm D, which restricts the flow of hydraulic oil from the first hydraulic chamber A to the second hydraulic chamber B. Preferably, the piston 25 is disposed adjacent to the clutch engaging member 23 of the power disconnecting clutch 9 for moving against and away from the clutch engaging member 23. One or more oil paths 61, 81 connect the second hydraulic chamber B to the exhaust port of the torque converter. One or more opening/closing members 64, 84 are disposed in the oil paths 61, 81. One or more opening/closing members 64, 84 are movable between a first position connecting the second hydraulic chamber B to the exhaust port and a second position disconnecting the second hydraulic chamber B from the exhaust port.
REFERENCES:
patent: 2642844 (1953-06-01), Flinn
patent: 2916122 (1959-12-01), Hindmarch
patent: 4147245 (1979-04-01), Folomin et al.
patent: 4186829 (1980-02-01), Schneider et al.
patent: 4266648 (1981-05-01), Martin
patent: 4361217 (1982-11-01), Bieber et al.
patent: 4713984 (1987-12-01), Ohkubo
Bonck Rodney H.
Exedy Corporation
LandOfFree
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