Patent ID: 6293774
Filing Date: 2001-09-25
Classification: F04B,F05B,Y10T

Abstract:
An electric refrigeration compressor, in particular for household refrigerating and deep-freezing appliances, including an outer casing, an inner body, a piston displaceable within a cylinder (20), a first seal (13), a valve spring (2), a valve plate (3) provided with a refrigerant suction bore (12) and a valve head, wherein the valve plate is provided with two recesses (3A, 3B) on a side facing the valve spring and the valve spring includes two laterally outwardly projecting parts (6a, 6b) that are inclined relative to the plane of the valve spring, characterized in that said valve spring is symmetrical and said two recesses (3A, 3B) are located substantially symmetrical relative to the axis of symmetry of said valve spring and said inclined outwardly projecting parts (6a, 6b) are inserted in said recesses and clamped therein such that a portion of the remaining surface of the valve spring is movably arranged in a position tightly abutting on the valve plate surface facing the interior of the cylinder, and wherein the two outwardly projecting parts (6a, 6b) and recesses (3A, 3B) are arranged, in their mutually clamped relationship in a manner such that the valve spring is placed against said suction bore (12).