Pumps – Miscellaneous
Patent
1991-08-19
1993-02-02
Bertsch, Richard A.
Pumps
Miscellaneous
417902, 285286, 285287, F04B 2100
Patent
active
051834006
ABSTRACT:
A closed type compressor has a casing, a compression mechanism section housed in the casing, an intake pipe member which extends through a burring hole in the casing and which is connected to an intake port of the compression mechanism section, an annular pipe insertion member airtightly bonded to a peripheral edge of the burring hole, and a tubular member fitted into an inner peripheral surface of the pipe insertion member and airtightly bonded to this inner peripheral surface by brazing. The intake pipe member extends through the tubular member to the intake port and is airtightly connected to the tubular member by welding. A plurality of grooves are formed in the outer peripheral surface of the tubular member or in the inner peripheral surface of the pipe insertion member over the entire circumference of the surface. The brazing material is received in the grooves.
REFERENCES:
patent: 1963421 (1934-06-01), Robinson et al.
patent: 2409795 (1946-10-01), Rabezzana
patent: 3871800 (1975-03-01), Slayton
Tada Takemi
Tanaka Hirosi
Usui Osami
Bertsch Richard A.
Freay Charles G.
Hitachi , Ltd.
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