Thermal expansion compensating joint assembly

Details Thermal expansion compensating joint assembly Thermal expansion compensating joint assembly

1987-05-13

1989-05-30

Kundrat, Andrew V.

Joints and connections

Including frangible component

403 30, 403179, 403404, 4034081, F16B 500

Patent

active

048345695

ABSTRACT:
A thermal stress-free joint assembly for joining a low thermal expansion member and a high thermal expansion member uses a fastener and a bushing fitted within a bore in the low thermal expansion member, wherein the fastener and bushing materials are selected to have predetermined coefficients of thermal expansion. The fastener includes a shank which passes through the bore in the low thermal expansion member. The bushing, bore and shank are dimensioned according to a mathematical relationship to maintain a predetermined clearance or preload as the joint undergoes changes in temperature, without damage to either joined member from thermally induced stress.

REFERENCES:
patent: 2662725 (1953-12-01), McVeigh
patent: 3643290 (1972-02-01), Milne
patent: 3690705 (1972-09-01), Ygfors
patent: 4052826 (1977-10-01), Chisholm
patent: 4156299 (1979-05-01), Kovac
patent: 4232496 (1980-11-01), Warkentin
patent: 4312599 (1982-01-01), Darolia
patent: 4485545 (1984-12-01), Caverly
patent: 4540304 (1985-09-01), Pavelka et al.
patent: 4575047 (1986-03-01), Doos et al.

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