Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part
Patent
1985-08-30
1987-12-29
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
384492, 384536, 464 93, F04D 2908
Patent
active
047157801
ABSTRACT:
A water pump comprises a rotary shaft having a water circulating impeller fixed to one end thereof and a rotative driving pulley fixed to the other end thereof, a housing made of resin and having an outer shell portion covering the portion of the rotary shaft between the opposite ends thereof and a mounting portion extending radially outwardly from the outer periphery of the outer shell portion which is proximate to the impeller, a plurality of rolling members disposed between the rotary shaft and the housing to enable rotation of the rotary shaft, an outer race disposed between the housing and the rolling members and providing an outer track surface for the rolling members, and seals for preventing entry of foreign substances from the axial opposite ends of the outer race.
REFERENCES:
patent: 845632 (1907-02-01), Gurney
patent: 3163475 (1964-12-01), Litsky
patent: 3415500 (1968-12-01), Pethis
patent: 3722968 (1973-03-01), Bomberger
patent: 3846045 (1974-11-01), Mincuzzi
patent: 3923350 (1975-12-01), Berry
patent: 3981610 (1976-09-01), Ernst et al.
patent: 4172310 (1979-10-01), Mincuzzi
patent: 4489992 (1984-12-01), Brandenstein et al.
Garrett Robert E.
Kwon John T.
Nippon Seiko Kabushiki Kaisha
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