Propeller module for an aero gas turbine engine

Details Propeller module for an aero gas turbine engine Propeller module for an aero gas turbine engine

1986-10-01

1988-03-01

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Plural impellers having relative movement or independent...

Coaxial rotation

416157B, 416129, B64C 1148

Patent

active

047282614

ABSTRACT:
A propeller module for a gas turbine engine comprising two contra-rotating propellers has a reduction gear positioned axially between the propellers. Pitch change mechanisms are provided to change the pitch of the blades of both propellers independent of the differential speed of the propellers.

REFERENCES:
patent: 2394299 (1946-02-01), Friedrich
patent: 2679907 (1954-06-01), Frankland
patent: 2876848 (1959-03-01), Detamore et al.
patent: 2948343 (1960-08-01), Conn et al.
patent: 4486146 (1984-12-01), Campion
patent: 4563129 (1986-01-01), Pagluica
patent: 4591313 (1986-05-01), Miyatake et al.
patent: 4688995 (1987-08-01), Wright et al.

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