Surge absorber assembly

Details Surge absorber assembly Surge absorber assembly

1999-06-04

2000-04-25

Hook, James F.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 31, F16L 5504

Patent

active

060532084

ABSTRACT:
A surge absorber assembly comprises a metal case provided with a recess, a metal diaphragm attached to the perimeter of the case to form a back pressure chamber in the recess being charged with high-pressure gas, and a metal plate attached so as to hold the diaphragm against the perimeter of the case to form a damper chamber facing the diaphragm, the case, the diaphragm, and the plate being joined by a weld formed by fusing the respective perimeters thereof, and a groove being formed in at least one of the case and the plate alongside the weld.

REFERENCES:
patent: 3963052 (1976-06-01), Mercier
patent: 4649884 (1987-03-01), Tuckey
patent: 4838887 (1989-06-01), Idriss
patent: 5054373 (1991-10-01), Brault et al.

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