Patent ID: 6062826
Filing Date: 2000-05-16
Classification: F16K,Y10T

Abstract:
A pulsating vibration air generation means for periodically generating pulsating vibration air, comprising:an inlet port from which one of: pressurized and suction air is supplied;an outlet port at which pulsating vibration air is expelled at a fixed frequency;a valve chamber having a valve seat with a control opening between said inlet port and said outlet port;a valve plug for opening and closing said control opening of said valve chamber, said valve plug having a head portion adopted to airtightly close said control opening when a valve closing operation is executed; anda valve operating mechanism for periodically moving said valve plug up and downsaid valve operating mechanism including: a driving source continuously rotating at a fixed speed; a roller rotatable secured to a lower end of said valve plug; and a rotary groove cam for periodically guiding the up and down movement of said valve plug, said rotary groove cam being connected to said drive source and being formed with a ring-like guide groove into which said roller is engaged, whereby said valve plug is regularly and periodically moved up and down for opening and closing operation in accordance with the rotation of said rotary groove cam.