High-head multistage pump-turbine

Details High-head multistage pump-turbine High-head multistage pump-turbine

1983-06-06

1986-05-20

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415500, F04D 2910

Patent

active

045898219

ABSTRACT:
A hydrostatic bearing supplied with pressurized water positioned as a seal between the shaft of a pump-turbine and a suction bend adjacent the lower end of the shaft. The hydrostatic bearing replaces the conventional labyrinth joint usually located above the lower shaft bearing, and may additionally replace the lower bearing itself.

REFERENCES:
patent: 2190670 (1940-02-01), Mann
patent: 2339186 (1944-01-01), Noble
patent: 2448717 (1948-09-01), Jeffcock
patent: 2545422 (1951-03-01), Blom
patent: 3620639 (1971-11-01), Gaffal
patent: 3671137 (1972-06-01), Ball
patent: 4285551 (1981-08-01), Suzuki et al.

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