Patent ID: 7955050
Filing Date: 2011-06-07
Classification: B06B,Y10S,Y10T

Abstract:
1. A method of making a turbine wheel assembly for a pneumatic rotary vibrator that provides a selectable force output and being removably retained on a vibrator shaft member, the vibrator shaft member being mounted in a generally circular interior chamber of a housing of a pneumatic vibrator that includes the steps of: a) providing a turbine ring having an outside diameter, an inside diameter and a predetermined thickness, the outside diameter being sized for rotation within the interior chamber of the pneumatic vibrator and further including a plurality of turbine teeth formed thereon, the inside diameter being substantially concentric with the outside diameter, the turbine ring also being formed as a singular unit from a single rigid material; b) providing a sleeve member having a selectively sized cylindrical exterior surface, an interior bore and a predetermined length, the interior bore being concentric with the cylindrical exterior surface; c) providing a weight ring assembly that includes an outer circumference, an inner circumference, and a predetermined face width, the weight ring assembly including a plurality of wedge shaped segments, the outer circumference of the weight ring assembly being formed by and with each wedge shaped segment while being sized and contoured for its sequential insertion and abutted seating of the wedge shaped segments in the inside diameter of the turbine ring while the inner circumference formed by each of the wedge shaped segments mates with the cylindrical exterior surface of the sleeve member, the wedge shaped segments of the weight ring including at least one heavy material segment, and at least one light weight material segment, the light weight segment being made of a suitable material that is lighter than the heavy material segment; d) providing a means for retaining the outer circumference of the weight ring assembly to the inside diameter of the turbine ring; e) providing a means for retaining the inner circumference of weight ring assembly to the cylindrical exterior surface of the sleeve member; (f) wherein, controlling the proportion of the total mass of the at least one heavy material segment with respect to the total mass of the at least one light weight material segment in the weight ring will adjustably control the output force of the pneumatic vibrator after insertion and the removable retention therein and operation thereof, the weight ring assembly and the sleeve member being removably retained and supported by the rigid material of the turbine ring while providing minimal dimensional eccentricity during rotation of the turbine wheel within its housing.