Duct-mounted turbine and method of installing the same

Details Duct-mounted turbine and method of installing the same Duct-mounted turbine and method of installing the same

1977-10-25

1980-03-04

Freeh, William L.

Rotary kinetic fluid motors or pumps

Method of operation

415219R, 415160, F01B 2502

Patent

active

041915046

ABSTRACT:
An annular inner vane cover is axially spaced from a rotatably mounted runner and has first and second flanges. An annular water guide is disposed between said runner and said inner vane cover and has a third flange, which is jointed to said first flange. An inner tubular housing has a fourth flange, which is joined to said second flange. An annular runner cover surrounds said runner and has a fifth flange. An annular outer vane cover surrounds said inner vane cover and is radially spaced therefrom and has a sixth flange joined to said fifth flange, and a seventh flange. An outer tubular housing surrounds the inner tubular housing and is radially spaced therefrom and defines a welded interface with said outer vane cover. Outer and inner vane mounts are carried by said outer and inner vane covers, respectively. A plurality of vanes are provided, each of which is mounted for rotation on its own axis in one of said outer vane mounts and one of said inner vane mounts. Said flanges lie in parallel planes. Each of said outer vane mounts is adapted to be released for a movement in a direction which is normal to the axis of the associated vane when said inner and outer tubular housings and said inner and outer vane covers have been installed in the site and joined at said flanges. The inner and outer tubular housings and said inner and outer vane covers provided with said vane mounts and said vanes are installed on the site and the inner and outer vane covers are joined at flanges before said outer annular housing and said outer vane covers are welded at said interface. Each of said outer vane mounts is then released for a movement in a direction which is normal to the axis of the associated vane, and said outer tubular housing and said outer vane cover are welded at said interface when said outer vane mounts are thus released.

REFERENCES:
patent: 2651492 (1953-09-01), Feilden
patent: 3535540 (1970-10-01), Boulogne
patent: 3973869 (1976-08-01), Doll et al.
patent: 3979809 (1976-09-01), Schneider
patent: 4078812 (1978-03-01), Beckershoff
patent: 4102599 (1978-07-01), Ziegler

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