Turbine pump with multistage venting of lubricating fluid flow

Details Turbine pump with multistage venting of lubricating fluid flow Turbine pump with multistage venting of lubricating fluid flow

1989-12-08

1992-09-15

Kwon, John T.

Rotary kinetic fluid motors or pumps

Including means for handling working fluid leakage

Leakage through seal between runner or shaft and static part

4151691, 41742311, F01D 2532

Patent

active

051471795

ABSTRACT:
A vertical turbine pump of the type including a diversion of flow of pumped fluid to lubricate shaft bearings in the pumping section, in which a venting of the lubricating flow to the tank is carried out in a multiple stage venting through successive vent pipes in a vertical series of vent housing sections installed above the pumping section. A cascade venting flow thereof is enabled to insure that a pressure build up at a point of venting is occurred, eliminating the need for mechanical sealing of the drive shaft for high pressure systems.

REFERENCES:
patent: 1155401 (1915-10-01), Bodinson
patent: 1169266 (1916-01-01), Krogh
patent: 1179346 (1916-04-01), Chapman
patent: 1524073 (1925-01-01), Wintroath
patent: 2812111 (1957-11-01), Wright et al.
patent: 4854834 (1989-08-01), Gschwender et al.
patent: 4877371 (1989-10-01), Putt

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