Patent ID: 6789565
Filing Date: 2004-09-14
Classification: B65G,Y10T

Abstract:
A metering valve for metering dry powder material comprising:a meter valve housing with an inlet provided on a front side of said housing for admitting powdered material into a hollow interior of the housing, a lip provided within the housing surrounding the inlet as a sealing surface, an outlet provided in said housing through which metered powdered material leaves the housing, a valve sleeve rotatably suspended within said housing to regulate flow of powdered material through said inlet, the interior of the housing being enlarged slightly except at the lip so that an enlarged gap is formed between the housing and the valve sleeve every where within the housing except at the lip, and a rotatable intermediate sleeve provided attached to said housing so that the intermediate sleeve is eccentric to the centerline of the hollow housing, means for rotating said intermediate sleeve, a sleeve shaft rotatably suspended in said intermediate sleeve, said valve sleeve secured to said sleeve shaft so that said valve sleeve alternately moves toward and away from the inlet in response to rotation of the intermediate sleeve.