Method of regulating the flow rate of air in a rotary shaft...

Details Method of regulating the flow rate of air in a rotary shaft... Method of regulating the flow rate of air in a rotary shaft...

2007-08-21

2007-08-21

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

C415S144000, C415S111000, C137S047000

Reexamination Certificate

active

11279812

ABSTRACT:
A device applied to regulating the flow rate of air flowing in a rotary shaft of a turbomachine, the shaft including at least one through orifice for passing air. The device at least one shutter member for shutting the orifice and secured to a deformable blade presenting bi-linear behavior, the blade being secured to the shaft and being suitable for deforming under the effect of the centrifugal force that results from the shaft rotating such that the shutter member is suitable for taking up two different positions depending on the speed of rotation of the shaft: one position in which it shuts the orifice; and another position in which it releases the orifice to allow air to pass through.

REFERENCES:
patent: 1844659 (1932-02-01), Horstman
patent: 2648895 (1953-08-01), Davis
patent: 2906494 (1959-09-01), McCarty et al.
patent: 3575528 (1971-04-01), Beam, Jr. et al.
patent: 4296599 (1981-10-01), Adamson
patent: 4807433 (1989-02-01), Maclin et al.
patent: 5054996 (1991-10-01), Carreno
patent: 21 21 281 (1972-11-01), None
patent: 0 468 782 (1992-01-01), None
patent: 2 146 715 (1973-03-01), None
patent: 58-77127 (1983-05-01), None

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