STAGGERED FAN BLADE ASSEMBLY FOR A TURBOFAN ENGINE
Assignee
General Electric
Filed as: GENERAL ELECTRIC COMPANY A CORP. OF NEW YORK
Filed
Sep 11, 1991
Granted
Apr 5, 1994
Location
MIDDLETOWN OH US
Abstract
A turbofan gas turbine engine fan stage having alternating relatively rugged, preferably hollow titanium, blades and staggered relatively less rugged, preferably composite, blades. The blades are staggered such that the leading edges of the rugged titanium blades are positioned forward of the leading edges of the less rugged composite blades. One embodiment provides that all fan blades have trailing edges at the same axial position while another embodiment provides that all fan blades are of the same size and shape.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Dec 5, 1991
Rescinded
Jul 20, 1992
Duration
7 months
Inventor
- 1JAN C. SCHILLING
Record Details
- Patent number
- US 5299914
- Application
- 07757854
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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