Bearing device for use in a motor

Details Bearing device for use in a motor Bearing device for use in a motor

1995-05-12

1997-09-16

Footland, Lenard A.

Bearings

Rotary bearing

Hydraulic or pneumatic bearing support

384115, 384100, F16C 3206

Patent

active

056673086

ABSTRACT:
A dynamic pressure bearing device for use in a motor including a shaft and a frame. Two bearings interconnect the shaft and the frame of the motor. The two bearings contain a noncompressible fluid. A mechanism for minimizing axial vibrational movement of the shaft is part of the bearing device. In one arrangement, the mechanism is a device connected to the shaft, such that a narrow gap is defined between an end of the device and the frame to provide a flow resistance to the noncompressible fluid. The device connected to the shaft maintains a decreasing width to minimize a loss of torque in the motor.

REFERENCES:
patent: 3210044 (1965-10-01), Mori
patent: 3844630 (1974-10-01), Lechner
patent: 4084861 (1978-04-01), Greenberg

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