Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and vane
Patent
1989-01-27
1990-02-06
Koczo, Michael
Rotary expansible chamber devices
With mechanical sealing
Seal element between working member and vane
418140, 418259, F01C 1344, F01C 1908
Patent
active
048985244
ABSTRACT:
An improved, fluid driven rotary motor of the vane type includes a housing having a rotor cover disposed between a pair of end plates, a rotor rotatably mounted in the housing and a drive shaft torsionally affixed to the rotor. In the improved rotary motor of the invention, the rotor is slidable on the drive shaft so that the axial position of the rotor is permitted to "float" with respect to the housing. The degree of axial displacement, or degree of "float", is limited by a compression spring means and an abutting ring which cooperate with a pair of bearings in the end plates so that contact between the rotor and housing is avoided. Furthermore, the compression spring means is operative to force the rotor to return to a predetermined normal operating position upon axial displacement of the rotor.
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Polaroid Snap-Shot of Fluid Driven Rotary Motor Manufactured by Applicants Assignee (one end plate removed).
Koczo Michael
Savio, III John A.
Snap-on Tools Corporation
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