Rotary apparatus for a gas turbine engine

Details Rotary apparatus for a gas turbine engine Rotary apparatus for a gas turbine engine

2005-06-28

2005-06-28

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C415S167000

Reexamination Certificate

active

06910855

ABSTRACT:
Rotary apparatus (17) for a gas turbine engine (10) comprises a rotor assembly (63) and first and second stator assemblies (55, 59) mounted coaxially with respect to each other. Each vane (58, 62) has a leading edge and a trailing edge. The stator assemblies (55, 59) are circumferentially translatable relative to each other between a first condition in which each of the vanes (62) of the second stator assembly (59) is substantially aerodynamically aligned with a respective one of the vanes (58) of the first stator assembly (55), and a second condition in which the vanes (58, 62) of the first and second stator assemblies (55, 59) are out of aerodynamic alignment with each other. In the first condition, at least a part of each vane (62) of the second stator assembly (59) extends beyond the trailing edge of the respective vane (58) of the first stator assembly (55).

REFERENCES:
patent: 2914241 (1959-11-01), Novak
patent: 4013377 (1977-03-01), Amos
patent: 4428714 (1984-01-01), Mowill
patent: 4558987 (1985-12-01), Dittie
patent: 4579507 (1986-04-01), Corrigan et al.
patent: 4652208 (1987-03-01), Tameo
patent: 4874289 (1989-10-01), Smith
patent: 5236307 (1993-08-01), Ng

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