Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure
Patent
1988-06-15
1989-06-06
Garrett, Robert E.
Fluid reaction surfaces (i.e., impellers)
Support mounting, carrier or fairing structure
416204A, 416204R, 416244R, 403 28, 403 29, F01D 500, F16B 400
Patent
active
048367508
ABSTRACT:
A gas turbine engine rotor (18) and shaft (28) are secured against radial loosening between the shaft (28) and axially spaced rotor spigots (24, 26) by annular spacer rings (42, 43) which are fabricated from a material having a thermal coefficient of expansion significantly higher or lower than the thermal coefficients of the shaft (28) or rotor (18). The ring (42, 43) is pre-assembled during production of the engine in an interference fit with either the rotor hub (22) or the shaft (28), being sized to remain tight with the pre-assembled member over a range of operating temperatures, and becoming more tightly fit with the other member due to differential thermal expansion therebetween.
REFERENCES:
patent: 3019039 (1962-01-01), Clavell
patent: 3077811 (1963-02-01), Moore
patent: 3644058 (1972-02-01), Barnabei et al.
patent: 3666302 (1972-05-01), Kellett
patent: 3689177 (1972-09-01), Klassen
patent: 3713676 (1973-01-01), Carlstrom et al.
patent: 3768924 (1973-10-01), Corsmeier et al.
patent: 4118847 (1978-10-01), Mansson et al.
patent: 4171930 (1079-10-01), Brisken et al.
patent: 4304523 (1981-12-01), Corsmeier et al.
patent: 4470756 (1984-09-01), Rigo et al.
patent: 4483661 (1984-11-01), Manharth et al.
patent: 4518315 (1985-05-01), Kruger
patent: 4589176 (1986-05-01), Rosman et al.
patent: 4604033 (1986-08-01), Surdi
patent: 4737076 (1988-04-01), Bonner et al.
Perry, R. H., Chilton, C. H., Chemical Engineers' Handbook, 5th Edition, 1973, pp. 23-38.
Juneau Paul A.
Modafferi Mario
Garrett Robert E.
Pratt & Whitney Canada Inc.
Readey Michael V.
Snyder Troxell K.
LandOfFree
Rotor assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rotor assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotor assembly will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-37792