Spacer configuration for a discharge reed valve of a hermetic ty

Details Spacer configuration for a discharge reed valve of a hermetic ty Spacer configuration for a discharge reed valve of a hermetic ty

1996-08-19

1998-07-07

Thorpe, Timothy

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

417571, 137856, 137857, F04B 3910, F16K 1516, F04C 2900

Patent

active

057758875

ABSTRACT:
A hermetic type compressor which makes opening and closing of a exhaust valve installed inside a reentrant groove formed in a cylinder head smooth, and prevents leakage of refrigerant from the exhaust valve by fabricating a valve seat surface to be in the same height as that of a valve fixing surface. The hermetic type compressor includes a cylinder head containing an exhaust hole through which compressed refrigerant is discharged from the inside a cylinder and having a valve seat surface in its outer periphery, and a reentrant groove having a valve fixing surface and a fixed groove formed therein; an exhaust valve installed so as to be open or shut on the upper surface of the exhaust hole; a valve spring disposed on the exhaust valve for defining the operation of the exhaust valve; a retainer having a fixed end for fixing the exhaust valve and valve spring in its one end, and having in its other end a flexible part for controlling the variance of the exhaust valve and valve spring and another fixed end which is extended from the flexible part and is fixed in the fixed groove of the reentrant groove; a head cover for covering the cylinder head on the retainer; and a packing inserted between the cylinder head and the head cover for preventing the leakage of the refrigerant.

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