192 clutches and power-stop control – Clutches – Operators
Patent
1984-05-29
1986-11-25
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
192 88A, F16D 2504, F16D 2512
Patent
active
046243550
ABSTRACT:
This hydraulic clutch is particularly adapted for heavy duty use and is characterized by its doing away with the need for a seal at the clutch shoes and for a rotary seal, at its connection with a supply pump, by provision of an elastic bag for containing the pressurized liquid acting against the clutch shoes and by rotation of the hydraulic liquid supply reservoir and pump with the input shaft of the clutch. The clutch can therefore operate at high hydraulic pressure. This hydraulic clutch and pump assembly comprises a fixed body portion, an input shaft rotatably carried by the fixed body portion, a hydraulic liquid reservoir bodily rotatable with the input shaft, an output shaft bodily rotatable with a clutch disk mounted on it, clutch shoes rotatable with the input shaft and axially displaceable into clutching engagement with the clutch disk in response to fluid pressure applied in the elastic bag against them, a pump bodily rotatable with the input shaft, and a valve and control to selectively provide pressurized fluid operatively within the bag.
REFERENCES:
patent: 574269 (1896-12-01), Richards
patent: 1805081 (1931-05-01), Drkal
patent: 2153372 (1939-04-01), Hyde
patent: 2178050 (1939-10-01), Peterson
patent: 2382570 (1945-08-01), Kraft
patent: 2435368 (1948-02-01), Sadler
patent: 2771976 (1956-11-01), Smirl
patent: 2868342 (1959-01-01), Croucher
patent: 2956659 (1960-10-01), Grant
patent: 3157057 (1964-11-01), Palmer et al.
patent: 3184023 (1965-05-01), Hovde
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