Water pump

Details Water pump Water pump

1996-09-25

1997-11-25

Kwon, John T.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between shaft or shaft sleeve and...

415230, 277 58, F01D 2500

Patent

active

056904711

ABSTRACT:
A water pump includes a shaft to which an impeller has been attached, and a water pump housing in which the shaft is freely rotatably supported by a plain bearing. An annular mandrel having a lip seal fixedly secured to its distal end is inserted into an annular groove provided in the pump housing, thereby limiting the axial movement of the shaft.

REFERENCES:
patent: 3981610 (1976-09-01), Ernst et al.
patent: 4770424 (1988-09-01), Otto
patent: 4943068 (1990-07-01), Hatch et al.
patent: 5026253 (1991-06-01), Borger
patent: 5055015 (1991-10-01), Furukawa
patent: 5137285 (1992-08-01), Pick
patent: 5169286 (1992-12-01), Yamada

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