Bearings – Rotary bearing – Antifriction bearing
Patent
1995-12-29
1998-02-24
Ta, Khoi Q.
Bearings
Rotary bearing
Antifriction bearing
384475, 384398, 475160, F16C 1900, F16C 3310
Patent
active
057205590
ABSTRACT:
A combined bearing and fluid supply unit is disclosed primarily for use in a power transmission system for marine vessels. The unit has a housing having a circular opening. The circular opening is delimited by an inner surface of the housing, and the inner surface is provided with one or more first circumferentially extending channels which respectively accommodate one or more bearings. The bearings are adapted to support a shaft passing through the circular opening. The housing also includes a first bore extending radially from a second circumferentially extending channel in the inner surface of the housing to an outer surface of the housing. This second circumferentially extending channel is adapted to convey fluid passing from the first bore to a first internal passage in the shaft. Preferably, this fluid is used to actuate a clutch carried on the shaft in a given direction. A second radial bore and a third circumferentially extending channel may be provided in the housing, in communication with the bearing, in order to provide lubricating fluid for the bearing. A third radial bore and a fourth circumferentially extending channel may be provided so as to actuate the clutch to rotate the shaft in the opposite direction.
REFERENCES:
patent: 3757822 (1973-09-01), Kell
patent: 4181378 (1980-01-01), Schmaeng
patent: 4297097 (1981-10-01), Kiekhaefer
patent: 4358253 (1982-11-01), Okano et al.
patent: 4576264 (1986-03-01), Lupo et al.
patent: 4679673 (1987-07-01), Yamaoka et al.
patent: 4878571 (1989-11-01), Sacher
patent: 4988218 (1991-01-01), Quanglia
Kristiansson Bo
M.ang.nsson Staffan
AB Volvo Penta
Bell Michael J.
Kjeldgaard Richard H.
Ta Khoi Q.
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