Fluid reaction surfaces (i.e. – impellers) – Cupped reaction surface normal to rotation plane – Torque converters
Reexamination Certificate
2007-10-02
2007-10-02
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Cupped reaction surface normal to rotation plane
Torque converters
Reexamination Certificate
active
10476490
ABSTRACT:
Pelton bucket, Pelton wheel and a method of making and using the Pelton bucket. The Pelton bucket includes at least one exit edge. The at least one exit edge includes one of at least one partially concavely curved portion and at least one straight portion. The method of making provides for arranging at least one exit edge on the Pelton bucket. The method of using provides for causing rotation of a Pelton wheel with a Pelton turbine wherein the Pelton wheel utilizes a plurality of Pelton buckets and wherein the method provides for directing a jet from the Pelton turbine to the Pelton bucket to cause the Pelton wheel to rotate.
REFERENCES:
patent: 617555 (1899-01-01), Blue
patent: 875161 (1907-12-01), Doble
patent: 990362 (1911-04-01), Kincaid
patent: 2304721 (1942-12-01), Werther
patent: 4089618 (1978-05-01), Patel
patent: 60340 (1918-07-01), None
patent: 514534 (1955-07-01), None
patent: 3938356 (1990-12-01), None
patent: 2105791 (1983-03-01), None
patent: 58-15764 (1983-01-01), None
English Language Abstract of JP 58-15764.
Geppert Lothar
Scharer Christoph
Hanan Devin
Look Edward K.
Nixon & Vanderhye P.C.
VA Tech Hydro GmbH
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