Resilient shaft mounting for pump
This patent describes a pump. It comprises: a tube having a centrifugal pump mounted on an upper end thereof, the centrifugal pump having an inlet coaxial with the tube, an outlet disposed radially and an impeller rotatable in a housing to pump a liquid; at least one propeller disposed in the tube below the centrifugal pump, the propeller being rotatable to draw fluid upwardly in the tube; a shaft connecting the impeller of the centrifugal with the propeller in the tube; at least one triangular support for the shaft, having three resilient planar plates dimensioned to be bowed inwardly in the tube and enclosing the shaft. The plates are discrete sections, each having ends disposed against an inner surface of the tube and against an adjoining one of the plates, an intermediate portion of each of the plates resiliently bearing inwardly toward the shaft; and, a resilient bushing disposed between the plates and the shaft, the resilient bushing being a round tube deformed into a triangular shape by pressure of the plates; whereby the shaft is supported coaxially in the tube.
- Assignee:
- Shippensburg Domestic Pump Co., Shippensburg, PA (USA)
- Patent Number(s):
- US 4932846; A
- Application Number:
- PPN: US 7-398330A
- OSTI ID:
- 6633384
- Resource Relation:
- Patent File Date: 21 Aug 1989
- Country of Publication:
- United States
- Language:
- English
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