Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Runner – shaft – or separate motor operated
Patent
1987-05-27
1988-10-25
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Runner, shaft, or separate motor operated
415161, 415164, F01D 1716
Patent
active
047800542
ABSTRACT:
In a variable nozzle structure for a turbine, moveable vanes for controlling variable cross section nozzles which lead to a turbine wheel are actuated by a drive unit which comprises an actuator for causing a linear motion to a rod member, a lever arm member which is pivotally supported by a part of the turbine casing and is connected to the rod member at its one end so as to be able to rotate about its pivot point with respect to a turbine casing when the rod member is driven linearly, a crank arm member which is integrally connected to a pin shaft which is securely attached to each of the moveable vanes and pivotally supports the corresponding moveable vane, and an engagement member which is fixedly attached to the lever arm member and is engaged with the crank arm member so as to cause the rotational motion of the crank arm member when the lever arm member is rotatively driven by the rod member. Thereby, accurate control of the variable nozzles can be accomplished with a simple structure.
REFERENCES:
patent: 2428830 (1947-10-01), Birmann
patent: 4054398 (1977-10-01), Penny
patent: 4295784 (1981-10-01), Manning
patent: 4403912 (1983-09-01), Pekari et al.
Tateishi Fusao
Yamaguchi Koji
Yano Shunji
Garrett Robert E.
Honda Giken Kogyo Kabushiki Kaisha
Pitko Joseph M.
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