Multistage hydraulic machine

Details Multistage hydraulic machine Multistage hydraulic machine

1986-08-08

1987-09-08

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

415115, 415160, 415180, 415500, F04D 900, F04D 2914

Patent

active

046920900

ABSTRACT:
A multistage hydraulic machine includes a water chamber in a bottom ring of the highest-pressure stage. The water chamber supplies cooling water to seal gaps between rotary and stationary elements through a communication passage connected to the water chamber.

REFERENCES:
patent: 1362304 (1920-12-01), Harza
patent: 1823702 (1931-09-01), Ring
patent: 2082927 (1937-06-01), White
patent: 3172640 (1965-03-01), Sproule
patent: 3367628 (1968-02-01), Fitton
patent: 3370828 (1968-02-01), Willi
patent: 3985464 (1976-10-01), Hachiya et al.
patent: 4047831 (1977-09-01), Mayo, Jr. et al.
patent: 4406577 (1983-09-01), Ichikawa

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