Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between shaft or shaft sleeve and...
Patent
1997-04-10
1998-09-01
Denion, Thomas E.
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between shaft or shaft sleeve and...
415131, 415132, 384517, 384563, F01D 2516
Patent
active
058001220
ABSTRACT:
An improved device for adjusting the bearing clearance of a pump is shown and described. In a preferred embodiment, an annular piston is provided adjacent to a bearing assembly, and an elastomeric member is provided adjacent to the piston. The elastomeric member has a plurality of apertures circumferentially spaced around the elastomeric member, a volume control member being provided in each of the apertures. The volume control members are selectively advanced into and retracted from the apertures, the elastomeric member being compressed and expanding in an axial direction when the volume control members are advanced into the apertures, thereby forcing the piston to move toward the bearing assembly. When the volume control members are retracted from the apertures, the elastomeric member compresses in an axial direction, thereby allowing the piston to move away from the bearing assembly. In this manner, the volume control members are selectively advanced into and retracted from the apertures, to re-establish the bearing clearance of the pump.
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Denion Thomas E.
Toyo Pumps North America Corp.
Woo Richard
LandOfFree
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