Shot Sensing Shot Peening System and Method having a Capacitance based Densitometer

Author:  Thompson, R.A.
Source:  US Patent 5,176,018
Doc ID:  1993006
Year of Publication:  1993
Abstract:  
The present invention relates to shot peening and more specifically, shot peening where the shot is sensed capacitance-based densitometer in order to determine the average velocity of the shot as it exits the nozzle of a shot peening gun.