Patent ID: 6679688
Filing Date: 2004-01-20
Classification: F04B,F04C,F16K,Y10T

Abstract:
A refrigerant compressor comprising:a discharge port constructed in a member forming a compression chamber; a discharge reed valve having a valve cover portion for opening and closing said discharge port at one end and a fixed portion at another end that is fixed to said member forming said compression chamber; and a valve restricting plate fixed to said member forming said compression chamber together with said fixed portion of said discharge reed valve for restricting an opening amount of said valve cover portion of said discharge reed valve relative to said discharge port, said valve restricting plate having a head portion wider than a middle portion thereof with said head portion opposing said valve cover portion of said discharge valve against which said valve cover portion is brought into contact, and a through hole having an area in a range between 3 and 50% of the area of said valve cover portion of said discharge valve provided in said head portion of said valve restricting plate to provide back pressure flow communication to said valve cover portion of said discharge reed valve to move said valve cover portion away from said valve restricting plate.