Pumps – Hermetically sealed motor pump unit
Patent
1990-11-23
1992-10-27
Bertsch, Richard A.
Pumps
Hermetically sealed motor pump unit
F04B 1700
Patent
active
051585146
ABSTRACT:
Hermetic motor-compressor set with a metal shell formed by hermetic assembly of metal component parts, characterized by the fact that the metal shell is equipped, in the joint of its assembled metal component parts, with a hermetic assembly bead of a nature different from that of these component parts and contributing to form a solid hermetic composite shell.
REFERENCES:
patent: 3902629 (1975-09-01), Kushner
patent: 4240774 (1980-12-01), Ladusaw
patent: 4573880 (1986-03-01), Hirano et al.
patent: 4675937 (1987-06-01), Mitomi
patent: 4815947 (1989-03-01), Okoma et al.
patent: 4958990 (1990-09-01), Gordon et al.
patent: 4984973 (1991-01-01), Itameri-Kinter et al.
Basichas Alfred
Bertsch Richard A.
L'Unite Hermetique
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