192 clutches and power-stop control – Clutches – Axially engaging
Patent
1991-03-27
1992-09-22
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Axially engaging
60475, 192 30W, 192 85A, F16D 1100, F16D 25061
Patent
active
051489015
ABSTRACT:
A hub clutch for locking or unlocking a wheel drive shaft to or form a hub clutch housing, comprises: a drive gear fixed to the wheel drive shaft; a slide gear slidably engaged or disengaged with or from the drive gear to lock or unlock the wheel drive shaft to or form the hub clutch housing; an elastic member for urging the slide gear into engagement or disengagement with or from the slide gear; a pressure source for supplying pressure into a pressure chamber formed between the wheel drive shaft and the hub clutch housing to shift the slide gear against an elastic force of the elastic member; and in particular a pressure supplementing switch for supplementing pressure supplied from the pressure source into the pressure chamber, whenever pressure within the pressure chamber drops below a predetermined value. Since the slide gear shifting pressure can be always maintained at a constant value irrespective of pressure leakage through the sealing members, the hub clutch reliability can be improved and the lifetime of the sealing members can be increased.
REFERENCES:
patent: 2457467 (1948-12-01), Hartman
patent: 2467508 (1949-04-01), Trautman
patent: 4293061 (1981-10-01), Brown
patent: 4625846 (1986-12-01), Gomez
patent: 4667767 (1987-05-01), Shea et al.
patent: 4960192 (1990-10-01), Kurihara
Kurihara Sakuo
Sakamoto Kazuhiro
Bonck Rodney H.
Tochigifujisangyo Kabushiki Kaisha
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