Refrigerator compressor having a spherical discharge valve

Details Refrigerator compressor having a spherical discharge valve Refrigerator compressor having a spherical discharge valve

F - Mech Eng,Light,Heat,Weapons

25

B

F25B 1/02 (2006.01) F04B 39/00 (2006.01) F04B 39/10 (2006.01)

Patent

CA 2124655

A small single cylinder hermetic refrigeration compressor has a flat valve plate extending across the end of the cylinder. A discharge port is formed in the valve plate with a spherical valve seat and a spherical poppet member is moveable to and from the valve seat. A flat leaf spring and valve stop member fit over the poppet to control its motion and the spherical head of the poppet, when closed, extends beyond the surface of the valve plate in alignment with a mating recess on the piston head to minimize the clearance space of the compressor.

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