Pumps – With muffler acting on pump fluid
Patent
1994-06-22
1996-01-30
Bertsch, Richard A.
Pumps
With muffler acting on pump fluid
417902, 62508, 181202, F04B 5316
Patent
active
054876486
ABSTRACT:
A hermetic motor compressor comprising a shell formed by an upper and a lower cap connected one to the other in such a way that an airtight closure is obtained in the shell, and by feet fixed to the lower cap for positioning the shell in the correct position during its working, the lower cap defining lower cap lateral surfaces having a very large curvature radius connected to first, second, third and fourth curved surfaces. First and second curved surfaces being connected to a lateral plane and third and fourth curved surfaces being connected one to the other, the lower cap defining a sphere-shape in a lower part thereof and a band in the upper part thereof which is joined to the upper cap.
REFERENCES:
patent: 2928589 (1960-03-01), Davey
patent: 3189258 (1965-06-01), Larsen
patent: 4345882 (1982-08-01), Saito et al.
patent: 4384635 (1983-05-01), Lowery
patent: 4729723 (1988-03-01), Outzen
patent: 5391054 (1995-02-01), Bush
Alfano Biagio
Biscaldi Edoardo
Andrews, Jr. Roland G.
Bertsch Richard A.
Necchi Compressori S.r.l.
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