Method for nozzle clamping force control

Details Method for nozzle clamping force control Method for nozzle clamping force control

1982-09-30

1985-03-05

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415160, 91 44, F01D 1716

Patent

active

045028362

ABSTRACT:
A system for pressurizing cavities arranged laterally of pivotal vanes of a variable primary nozzle system in a radial turbine. The cavities are supplied with fluid of increased or reduced pressure to resist the clamping forces of the mounting rings. The fluid may conveniently be influent pressure or nozzle discharge pressure as may be appropriate. Pressure to the cavities is controlled as responsive to the pressure in the actuator system for adjusting the nozzles.

REFERENCES:
patent: 2341974 (1944-02-01), Browne
patent: 3141382 (1964-07-01), Oldfield et al.
patent: 3439579 (1969-04-01), Guinot
patent: 3495921 (1970-02-01), Swearingen
patent: 4300869 (1981-11-01), Swearingen

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