Bearing journal for the plastic impeller of a coolant pump

Details Bearing journal for the plastic impeller of a coolant pump Bearing journal for the plastic impeller of a coolant pump

1991-09-16

1993-06-22

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

With runner shaft of specific shape or material

415200, F01D 2500

Patent

active

052211843

ABSTRACT:
The plastic impeller of a coolant pump is attached to the bearing shaft with a bearing journal, so that the journal engages to be seated firmly in an axial bore of the shaft. Here, the bearing journal and the impeller are formed in one piece of the same material. The bearing journal is pressed or glued into the bore of the bearing shaft, and the impeller as well as the bearing journal are formed of a phenolic resin which is resistant to the coolant.

REFERENCES:
patent: 3304875 (1967-02-01), Copeland
patent: 3367274 (1968-02-01), Lombard
patent: 3494292 (1970-02-01), Walker
patent: 3664760 (1970-05-01), Reiner
patent: 3926281 (1975-12-01), Hannibal
patent: 4784574 (1988-11-01), Tsuno et al.

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