Pulsating vibration air generation means

Pulsating vibration air generation means comprising;

• a cylindrical casing having an air supply port connected with an air source and a wave transmission port, and
• a drum type rotary valve constructed rotatably in said casing, wherein;
• said wave transmission port is provided on a circumferential surface of said casing and is located where a circumferential surface of said rotary valve is positioned when said rotary valve is contained in said casing,
• said air supply port provided for said casing is located apart from where the circumferential surface of said rotary valve is positioned when said rotary valve is contained in said casing,
• said drum type rotary valve is comprised of a rotary support shaft at a center axis of said rotary valve, one end of said rotary valve is opened, another end of said rotary valve is closed, at least one ventilation window is provided at the circumferential surface of said rotary valve,
• said rotary valve is contained in said casing in such a manner that said open end of said rotary valve faces to said air supply port of said casing, and
• said at least one ventilation window provided at the circumferential surface of said rotary valve is designed to intermittently meet said wave transmission port provided on the circumferential surface of said casing according to rotation of said valve when rotary drive means is connected with said rotary support shaft and said rotary drive means is driven so as to rotate said valve in said casing.

Pulsating vibration air generation means, comprising;

• a casing doubly constructed with an inner cylinder and an outer cylinder spaced apart, said casing forming an annular space by closing both ends of the inner cylinder and the outer cylinder, an air supply port connected with an air source being provided at a circumferential surface of said outer cylinder, an opening being provided at a circumferential surface of said inner cylinder, and one end of said inner cylinder being opened,
• a drum type rotary valve rotatably provided in said inner cylinder of said casing, wherein;
• said opening provided on the circumferential surface of said inner cylinder is located where the circumferential surface of said rotary valve is positioned when said rotary valve is contained in said inner cylinder,
• said drum type rotary valve is comprised of a rotary support shaft at a center axis of said rotary valve, one end of said rotary valve is opened, another end of said rotary valve is closed, and at least one ventilation window is provided at the circumferential surface of said rotary valve,
• said rotary valve is contained in said inner cylinder in such a manner that said open end of said rotary valve faces to said opening of said inner cylinder of said casing, and
• said at least one ventilation window provided at a circumferential surface of said rotary valve is designed to intermittently meet said opening provided on the circumferential surface of said inner cylinder of said casing according to rotation of said rotary valve when rotary drive means is connected with said rotary support shaft and the rotary drive means is driven so as to rotate said rotary valve in said inner cylinder of said casing.

Pulsating vibration air generation means, comprising;

• a main body having a hollow chamber with an air supply port connected to an air source and a wave transmission port,
• a valve seat provided in said hollow chamber in said main body,
• a valve for opening and closing said valve seat, and
• a rotary cam provided rotatably for opening and closing said valve for said valve seat, wherein;
• a rotary roller is rotatably attached to a lower end of a shaft of said valve,
• said rotary cam is comprised of an inner rotary cam and an outer rotary cam, each of said rotary cams having a predetermined concavo-convex pattern so as to be separated at a distance of approximate diameter of said rotary roller,
• said rotary roller is rotatably inserted between said inner rotary cam and said outer rotary cam,
• said valve is moved up and down according to said predetermined concavo-convex pattern of said inner rotary cam and said outer rotary cam comprising said rotary cam so as to open and close said valve seat when rotary drive means is connected to a rotary shaft of said rotary cam and said rotary drive means is driven to rotate said rotary cam, and
• a bypass pipe is connected between a conduit connecting said air source and said air supply port of said main body and a pneumatic transport pipe connected to said wave transmission port of said main body.

Pulsating vibration air generation means, comprising;

• a cylindrical casing having a wave transmission port on a circumferential surface thereof and having a first connection port and a second connection port disposed so as to face each other with a fixed distance on the circumferential surface, and
• a drum type rotary valve rotatably provided in said casing, wherein;
• said first connection port and said second connection port on said circumferential surface of said casing are provided where said circumferential surface of said rotary valve is positioned when said rotary valve is contained in said casing,
• said wave transmission port on said circumferential surface of said casing is provided apart from where said circumferential surface of said rotary valve is positioned when said rotary valve is contained in said casing,
• compressed air generation means is connected with said first connection port on said circumferential surface of said casing,
• air suction means is connected with said second connection port on said circumferential surface of said casing,
• said drum type rotary valve has a rotary support shaft at a center axis of said rotary valve, one end of said rotary valve is opened, another end of said rotary valve is closed, and at least one ventilation window is provided on said circumferential surface of said rotary valve,
• said rotary valve is contained in said casing in such a manner that one open end of said rotary valve faces to said wave transmission port of said casing,
• said at least one ventilation window on said circumferential surface of said rotary valve is designed to intermittently meet said first connection port and said second connection port on said circumferential surface of said casing according to rotation of said rotary valve when rotary drive means is connected with said rotary support shaft and said rotary drive means is driven so as to rotate said valve in said casing.