Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1997-06-17
2000-02-29
Look, Edward K.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
415150, 4152092, F01B 2502
Patent
active
060301740
ABSTRACT:
A method and apparatus for regulating fluid flow through a turbine comprising a valve housing positioned in a fluid flow path, the valve housing having a fluid inlet, a fluid outlet, and chamber connecting the fluid inlet and the fluid outlet; a valve sleeve positioned within the chamber, the sleeve comprising a wall having inner and outer surfaces with a plurality of preferably peripherally spaced ports positioned around the periphery of the sleeve, the ports extending between the inner and outer surfaces; a valve head having first and second ends and at least two seal rings with at least one seal ring proximate the first and second ends respectively, the head dimensioned to fit tightly and move reciprocatively within the sleeve; a valve stem having a first and second end, wherein the first end is attached to the valve head, the stem extending away from the valve head; and an actuator attached to the second end of the valve stem.
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Maier William C.
Mindock Michael A.
Dresser-Rand Company
Look Edward K.
Nguyen Ninh
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