Liquid metal pipe joint

Details Liquid metal pipe joint Liquid metal pipe joint

1985-02-19

1986-09-30

Husar, Cornelius J.

Pipe joints or couplings

Liquid seal

285 41, 285 47, 285 64, 277 22, 277135, F16L 5500, F16J 1500

Patent

active

046143688

ABSTRACT:
Disclosed is a method and apparatus for forming a liquid tight joint between the ends of conductors (pipes) in a piping system for carrying a liquid metal fluid (LiPb). The ends of the pipes are loosely telescoped to allow for misalignment and then initially cooled by coils to solidify the liquid metal fluid in the annulus between the telescoped ends so that the solidified liquid metal itself seals the joint. Suitably located insulation and cooling fins provide thermal equilibrium for the solidified liquid metal in the annulus to maintain the seal. To disconnect the joint, the joint is heated to liquefy the solidified liquid metal in the annulus so that the ends may be pulled apart.

REFERENCES:
patent: 1194236 (1916-08-01), Richards
patent: 2799522 (1957-07-01), King et al.
patent: 2984899 (1961-05-01), Richter et al.
patent: 2992017 (1961-07-01), Dritz
patent: 3008735 (1961-11-01), Wijngaarden
patent: 3129947 (1964-04-01), Streck
patent: 3469862 (1969-09-01), Conibeer
patent: 3807772 (1974-04-01), Delisle et al.
patent: 3979164 (1976-09-01), Kuchnir
patent: 4275565 (1981-06-01), Beck
patent: 4286898 (1981-09-01), Stafford

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