Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means
Patent
1982-08-13
1985-03-19
Marcus, Stephen
Rotary kinetic fluid motors or pumps
With lubricating, sealing, packing or bearing means having...
For shaft sealing, packing, lubricating or bearing means
415170A, 415177, 415110, F04D 2908
Patent
active
045056374
ABSTRACT:
A centrifugal pump for the circulation of fluid, comprising a flow-chamber through which passes an inlet neck and which is bounded at the opposite side from the latter by a cross wall, a rotor mounted at the end of a drive shaft located in prolongation of the axis of the inlet neck, and a stator comprising an outer toroidal shroud located in prolongation of the outer shroud of the rotor, the latter being surrounded by a fixed part for connection between the end of the inlet neck and the outer shroud of the stator. The rotor is guided axially by a hydrostatic bearing consisting of a journal which is arranged on the upstream portion of the outer shroud of the rotor and cooperates with a bearing arranged on the part for connection of the stator to the inlet neck, the bearing comprising a plurality of bearing pockets placed in communication with the flow chamber and thus fed by the fluid flowing through the pump at the pressure prevailing in the flow chamber.
REFERENCES:
patent: 2796027 (1957-06-01), Brown
patent: 2811109 (1957-10-01), Brill et al.
patent: 3421445 (1969-01-01), Ivanoff
patent: 3578874 (1971-05-01), Sprouke
patent: 4190396 (1980-02-01), Tomioka et al.
Framatome & Cie
Kwon John
Marcus Stephen
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