Patent ID: 9080562
Filing Date: 2015-07-14
Classification: F04B

Abstract:
1. A hermetic refrigeration compressor suction arrangement, comprising: a hermetic shell; a cylinder block defining, in a single piece, a shell portion and a compression cylinder having an end which is opened to an exterior of the hermetic shell; a valve plate closing said end of the compression cylinder; a head affixed to the cylinder block on to the valve plate so as to define, with the valve plate, at least one suction chamber receiving refrigerant gas from a gas inlet pipe external to the hermetic shell and a gas inlet duct defined through the shell portion and through the valve plate and having an outer end hermetically coupled to the gas inlet pipe and an inner end opened to the suction chamber; a tubular projection incorporated, in a single piece, to the cylinder block and radially extending from the shell portion, external to the hermetic shell and peripherally surrounding the valve plate and at least part the head; and an outer cover hermetically affixed to the tubular projection so as to define with the tubular projection a discharge plenum, the tubular projection maintaining with the head and along the peripheral contour of the head a radial spacing which defines part of the discharge plenum.