Multistage hydraulic machines

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Access opening through portion of casing or cover

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Details

415118, 415DIG3, F04D 2960

Patent

active

046749535

ABSTRACT:
A multistage hydraulic machine is vertically positioned within a pit. The main shaft of the machine is divided into an upper main shaft and a lower main shaft at the location of the lowest pressure stage runner. A side path is provided laterally from the pit so that the lowest pressure stage runner and lower main shaft can be installed and removed through the side path.

REFERENCES:
patent: 1978814 (1934-10-01), Myers
patent: 2434018 (1948-01-01), Stepanoff
patent: 3163118 (1964-12-01), Baumann
patent: 3540834 (1970-11-01), Allerton
patent: 3713749 (1973-01-01), Fitch
patent: 4083259 (1978-04-01), Seliger et al.
patent: 4431370 (1984-02-01), Ichikawa et al.
patent: 4563130 (1986-01-01), Ichikawa et al.

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