High pressure turbine component interference fit up

Details High pressure turbine component interference fit up High pressure turbine component interference fit up

1992-02-07

1993-04-27

Look, Edward K.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

415116, 4152141, 298892, 29446, 29525, F01D 2524, F01D 1100, B21D 5392

Patent

active

052057089

ABSTRACT:
An interference fit up for an HPT hanger is accomplished by machining and casting features into the hanger which create a spring effect when the hanger is assembled into the support. The spring effect may be accomplished in a variety of ways, including offset radial cut features on the hanger relative to the support, or offset projection features on the hanger which are concentric with the support. The spring effect is then accomplished by a flex or deflection of the ends of the hanger to conform to the width of the support, and clearance indentations created during the installation.

REFERENCES:
patent: 3056583 (1962-10-01), Varadi et al.
patent: 3575523 (1971-04-01), Gross, Jr.
patent: 3860358 (1975-01-01), Cavicchi et al.
patent: 4005946 (1977-02-01), Brown et al.
patent: 4303371 (1981-12-01), Eckert
patent: 4529355 (1985-07-01), Wilkinson
patent: 4573865 (1986-03-01), Hsia et al.
patent: 4642024 (1987-02-01), Weidner
patent: 5022816 (1992-06-01), Maier et al.
patent: 5127793 (1992-07-01), Walker et al.

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