Hydroelectric machines and their installation

Details Hydroelectric machines and their installation Hydroelectric machines and their installation

1993-03-18

1994-11-15

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415160, 4152141, F01D 1712

Patent

active

053642295

ABSTRACT:
A hydroelectric installation includes a hydraulic machine connected vertically below an electric machine by a shaft, in a concrete installation pit. A guide vane assembly of the hydraulic machine is operated by a motor-driven operating unit which projects below the hydraulic machine in a lower working space of the pit. The shaft has a thrust bearing which bears down against the upper cover of the hydraulic machine and thereby substantially cancels upward hydraulic force exerted on that upper cover. In the installation procedure, the outer casing, speed ring and upper cover of the hydraulic machine are installed first, so that the hydraulic machine can be assembled downwardly in the lower working space concurrently with upward assembly of the electric machine in an upper working space of the pit. This shortens installation time.

REFERENCES:
patent: 1516095 (1924-11-01), Haeberlein
patent: 2770943 (1956-11-01), Beale
patent: 3276742 (1966-10-01), Yokoi
patent: 3494704 (1970-02-01), Culaud et al.
patent: 3512899 (1970-05-01), Lindquist
patent: 3904311 (1975-09-01), Moriguti et al.
patent: 4468570 (1984-08-01), Takahashi

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