| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a suction throttle valve for a compressor capable of reducing noise and vibration caused by suction pulsation and maintaining performance over a whole flow rate range. <P>SOLUTION: In the suction throttle valve 40 of the compressor 10 having a valve element 43 for adjusting opening of a suction passage 37 movably provided in the suction passage 37 between a suction port 39 sucking refrigerant gas and a suction chamber 32 storing sucked refrigerant gas and provided with a valve chamber 41 provided with a spring 44 energizing the valve element 43 to the suction port 39 side, a first communication hole 45 normally establishing communication between the valve chamber 41 and the suction chamber 32 and a second communication hole 46 normally establishing communication between the valve chamber 41 and a crank chamber 16 are provided, and a valve hole 47 establishing communication between the suction port 39 and the valve chamber 41 is formed on the valve element 43. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
