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US Patent: 5,213,468
Bearing Flushing System
Patentees:
James H. Sexton (exact or similar names) - Lansing, Leavenworth County, KS
Virgil J. Beaty (exact or similar names) - Louisburg, Miami County, KS

USPTO Classifications:
277/411, 415/111, 415/115, 415/121.3, 417/431

Tool Categories:
industrial machines : pumps : rotary pumps

Assignees:
Fairbanks, Morse Pump Corp. - Kansas City, Wyandotte County, KS

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 24, 1992
Granted: May 25, 1993

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Fairbanks, Morse & Co.
Description:
Abstract:

A bearing flushing system is provided that enables the clearance between a bearing and shaft to be flushed with water but prevents the backflow of the pumped liquid into the region. The system hereof includes a flow restrictor located downstream of the bearing which presents a second clearance between the shaft to screen out particulates. A ring may be provided between one of a pump impeller and the shaft downstream of the flow restrictor to provide an additional backflow restriction.

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