Drive and bearing for water pump

Details Drive and bearing for water pump Drive and bearing for water pump

1989-07-27

1990-10-30

Bui, Thuy M.

Endless belt power transmission systems or components

Friction drive pulley or guide roll

With stationary support for pulley or guide roll

F16H 5536

Patent

active

049665723

ABSTRACT:
A water pump having a water pump housing, a housing flange mounted on the water pump housing, and a pump rotor rotatably journaled in the housing. A hollow stud projects axially outwardly from the flange, a drive and bearing assembly for supporting the pump rotor comprising a roller bearing supported on the outer peripheral surface of the hollow stud, and a pulley rotatably supported by the roller bearing on the hollow stud of the housing flange. A shaft supports the pump rotor and passes through the hollow stud. A coupling element connects the pulley to the shaft in a torsion-proof manner and simultaneously centers the shaft whereby the roller bearing is tightened to eliminate axial play.

REFERENCES:
patent: 4474562 (1984-10-01), Heurich
patent: 4516962 (1985-05-01), Brandenstein et al.
patent: 4610645 (1986-09-01), Donn et al.

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