RF expansion joint

Details RF expansion joint RF expansion joint

1992-12-28

1994-08-23

Gensler, Paul

Wave transmission lines and networks

Long line elements and components

Connectors and interconnections

174 88C, 439 33, 439578, H01P 104

Patent

active

053411161

ABSTRACT:
An RF expansion joint is presented herein for connecting first and second axially spaced tubular conductor sections, having opposed free ends, together as the sections expand and contract with temperature variations and for providing passage of RF energy at a desired operating frequency between the sections. The joint includes an insulator sleeve which is received by the first section with the sleeve having a passageway extending longitudinally therethrough. An electrically conductive stub having proximal and distal ends is mounted to the free end of the second conductor section and extends into the passageway of the sleeve so as to be slidably received thereby. The distal end of the stub extends beyond the sleeve sufficient that the distal end is spaced inwardly from the inner wall of the first conductor section presenting essentially an open circuit to passage of RF energy.

REFERENCES:
patent: 3054981 (1962-09-01), Malek et al.
patent: 3245027 (1966-04-01), Ziegler, Jr.
patent: 3292117 (1966-12-01), Bryant et al.
patent: 3309632 (1967-03-01), Trudeau
patent: 3568111 (1971-03-01), Dyer et al.
patent: 4543548 (1985-09-01), Seal et al.
patent: 5120705 (1992-06-01), Davidson et al.

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