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Improvements in or relating to hydraulic discharge tubes for turbines, centrifugal pumps and the like. Lewis Ferry Moody, January 15, 1920: GB137498-A (2 worldwide citation)

137,498. Moody, L. F. Jan. 22. 1919, [Convention date]. Working-fluid supply.-The discharge conduit of an hydraulic turbine A comprises a flaring straight tube B merging into a curved passage 13, formed by a curved core E and curved confining walls F, and ending in an annular discharge space 20 whic ...


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Hydraulic turbine. Lewis Ferry Moody, June 5, 1924: GB216812-A (2 worldwide citation)

216,812. Moody, L. F. March 6, 1923. Axial-flow type; combined-flow type; blades ; regulating; working-fluid supply.-In an hydraulic turbine having unshrouded runner blades B of the axial-flow or axial-radial flow type; an annular space e is provided between the blade tips and the surrounding condui ...


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Improvements in hydraulic turbines. Lewis Ferry Moody, October 28, 1921: GB170926-A (2 worldwide citation)

170,926. Moody, L. F. July 28, 1920. Working-fluid supply.-Relates to hydraulic turbines in which excess flow of driving-water is utilized to reduce the discharge pressure acting against the turbine by injecting the excess water into the water discharged from the turbine, and consists in injecting t ...


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Improvements in rotary pumps of the substantially axial flow type. Lewis Ferry Moody, October 3, 1921: GB146452-A (2 worldwide citation)

146,452. Moody, L. F. July 3, 1919, [Convention date]. Parallel-flow turbine pumps; casings; regulating.-To regulate the flow of water to the impeller 7, adjustable vanes 25 are mounted in the passage 12 of the spiral or volute inlet casing 8. The vanes 25 are pivotally mounted in bearings in the ca ...


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Runner for turbines and pumps. Lewis Ferry Moody, February 28, 1924: GB196254-A (2 worldwide citation)

196,254. Moody, L. F. April 15, 1922, [Convention date], Impeller blades, regulating.-The runner of an hydraulic turbine or pump, Fig. 1, comprises a supporting element 18 with flanges 20, 21, to which are secured the cast-iron runner sections 22 carrying each a blade 16, these sections being separa ...


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Improvements in machining the blades of hydraulic turbine runners. Lewis Ferry Moody, October 6, 1924: GB221515-A (1 worldwide citation)

221,515. Moody, L. F. July 29, 1922, [Convention date]. Screw propellers. -Runner blades for hydraulic turbines are each formed as a sector of the same cone and are machined by an arrangement wherein the blades are detachably mounted upon a hub which is adapted to be rotated about an axis inclined t ...


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Regulating system for hydraulic turbines. Lewis Ferry Moody, June 6, 1924: GB217628-A (1 worldwide citation)

217,628. Moody, L. F. March 6, 1923. Regulating.-In hydraulic power systems comprising a number of turbines driving electric alternators running in parallel, a regulating system is provided whereby a limited number of governors is adapted to exercise a limited control over all the turbines, distribu ...


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Improvements in runners for turbines and pumps. Lewis Ferry Moody, June 5, 1924: GB205490-A (1 worldwide citation)

205,490. Moody, L. F. April 15, 1922, [Convention datel. Impeller blades; regulating.-Relates to hydraulic turbines and pumps wherein regulation may be effected by adjusting the angularity of the runner blades. The detachable runner blades 51, Fig. 1, have spindles 55 which may be rotated in the hub ...


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Improvements in centrifugal and screw pumps. Lewis Ferry Moody, October 28, 1920: GB152832-A (1 worldwide citation)

152,832. Moody, L. F. Sept. 2, 1919. Casings; impeller blades.-A pump specially suitable for handling large volumes of water under low head comprises an admission chamber 23 with spiral passages which passes water to the impeller 40 with a velocity compounded of motion parallel to the axis and rotat ...