High speed hydraulic turbine drive
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1. A high speed hydraulic turbine drive comprising:
- (a) a housing;
(b) a bearing means;
(c) a shaft bearing support means contained in said housing and for supporting said bearing means;
(d) a shaft supported by said bearing means and defining a shaft axis;
(e) a turbine nozzle body defining a turbine body outlet surface and comprising a hydraulic fluid cavity and a plurality of nozzles each of said nozzles providing a passageway for hydraulic fluid to pass from said hydraulic fluid cavity to said outlet surface and defining a nozzle centerline, where each of said nozzle centerlines;
(1) intersects said turbine body outlet surface at points of intersection on a circle having a diameter less than 12 inches and defining a nozzle exit circle which circle is concentric about said shaft axis and defines a nozzle exit plane which is perpendicular to said axis and(2) forms an angle of about 10 to 30 degrees with said nozzle exit plane;
(f) a hydraulic fluid inlet means for providing hydraulic fluid under pressure to said hydraulic fluid cavity;
(g) an axial flow hydraulic fluid turbine wheel solidly attached at one end of said shaft having a plurality of turbine blades, said wheel and blades being positioned adjacent to said turbine body outlet surface such that hydraulic fluid discharged from said nozzles impinge on said blades.
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Abstract
A high speed hydraulic turbine drive. A nozzle body contains a number of nozzles through which hydraulic fluid is discharged to impinge on the blades of a turbine wheel which is fully submerged in the hydraulic fluid. The nozzles are cylindrical or part conical and part cylindrical and the center line of the nozzles for an angle of about 10 to 30 degrees with the outlet surface of the nozzle body. A manufacturing method is provided which permits the manufacture of drives of various power using the same standard machined parts. In preferred embodiments the turbine drive drives high speed and low speed electric generators, a grinder and a garbage disposal unit.
9 Citations
11 Claims
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1. A high speed hydraulic turbine drive comprising:
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(a) a housing; (b) a bearing means; (c) a shaft bearing support means contained in said housing and for supporting said bearing means; (d) a shaft supported by said bearing means and defining a shaft axis; (e) a turbine nozzle body defining a turbine body outlet surface and comprising a hydraulic fluid cavity and a plurality of nozzles each of said nozzles providing a passageway for hydraulic fluid to pass from said hydraulic fluid cavity to said outlet surface and defining a nozzle centerline, where each of said nozzle centerlines; (1) intersects said turbine body outlet surface at points of intersection on a circle having a diameter less than 12 inches and defining a nozzle exit circle which circle is concentric about said shaft axis and defines a nozzle exit plane which is perpendicular to said axis and (2) forms an angle of about 10 to 30 degrees with said nozzle exit plane; (f) a hydraulic fluid inlet means for providing hydraulic fluid under pressure to said hydraulic fluid cavity; (g) an axial flow hydraulic fluid turbine wheel solidly attached at one end of said shaft having a plurality of turbine blades, said wheel and blades being positioned adjacent to said turbine body outlet surface such that hydraulic fluid discharged from said nozzles impinge on said blades. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 10, 11)
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9. A method of manufacturing high speed water turbine drives having:
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(a) a housing; (b) a bearing means; (c) a shaft bearing support means contained in said housing and for supporting said bearing means; (d) a shaft supported by said bearing means and defining a shaft axis; (e) a turbine nozzle body defining a turbine body outlet surface and positioned inside said housing and sodidly connected to said housing and comprising a hydraulic fluid cavity and a plurality of nozzles each of said nozzles providing a passageway for hydraulic fluid to pass from said hydraulic fluid cavity to said outlet surface and defining a nozzle centerline, where each of said nozzle centerlines; (1) intersects said turbine body outlet surface at points of intersection on a circle having a diameter less than 12 inches and defining a nozzle exit circle which circle is concentric about said shaft axis and defines a nozzle exit plane which is perpendicular to said axis and (2) forms an angle of about 10 to 30 degrees with said nozzle exit plane; (f) a hydraulic fluid inlet means for providing hydraulic fluid under pressure to said hydraulic fluid cavity; (g) an axial flow hydraulic fluid turbine wheel solidly attached at the other end of said shaft having a plurality of turbine blades, said wheel and blades being positioned adjacent to said turbine body outlet surface such that hydraulic fluid discharged from said nozzles impinge on said blades; said method comprising; producing a large number of a standard model of said turbine having a standard power output rating and also producing other models of said turbine having substantially increased power output as compared to said standard model without any significant decrease in efficiency by enlarging the diameter of said plurality of nozzles of said standard model by cutting said turbine nozzle body of said standard model so that said turbine body outlet surface is closer to said hydraulic fluid cavity, moving said turbine wheel on said shaft to maintain essentially the same relatively distance between said turbine wheel and said turbine body outlet surface and increasing the size of said turbine blades.
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Specification