Patent ID: 6354810
Filing Date: 2002-03-12
Classification: F04B,F16K,Y10T

Abstract:
A refrigerating circuit comprising:a condenser; an evaporator; a variable capacity type compressor having a discharge chamber in fluid communication with the condenser, and a suction chamber in fluid communication with the evaporator; and a check valve arranged between said discharge chamber of said compressor and said condenser, said check valve comprising: a valve housing having a peripheral wall, a valve seat, a flow passage having an inlet opening and an outlet opening formed through said valve seat, and a communication hole formed through said peripheral wall on the opposite side of said flow passage with respect to said valve seat; a valve element having an outer wall axially slidably arranged in said valve housing, and a seal surface engagable with said valve seat; and an urging member for biasing said valve element toward said valve seat; wherein said valve element includes a guide means for guiding a fluid, which leaks from said outlet opening of said flow passage into the interior of said valve housing past said seal surface when said valve element leaves said valve seat, to the outside of said valve housing.