Necchi Compressori S.r.l.

Biagio Alfano

Edoardo Biscaldi

A sealed motor-compressor unit having a suction side muffler directly attached to the cylinder head by a niche in the cylinder head which receives the muffler. A 'U' shaped spring has two legs contacting sidewalls of the niche and a bight portion which contacts and biases the muffler.

Hermetically sealed motor compressor unit with a spring biased muffler

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.

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Milan, Italy

Biagio Alfano