Patent ID: 6276259
Filing Date: 2001-08-21
Classification: F04B,F16J

Abstract:
A pump comprising:a. a pump housing having an interior;b. a pumping element disposed for movement within said pump housing for the purpose of moving a liquid through the pump;c. a packing associated with said pump housing and said pumping element for sealing the pump from the loss of liquid from the pump housing, said packing having a first side remote from the interior of said pump housing and a second side adjacent to the interior of said pump housing;d. a packing retention element for retaining said packing in position for its sealing function;e. a stabilizing element on said first side of said packing, said stabilizing element being made of lubricant-filled nylon and bearing against said pumping element during movement of said pumping element and facilitating the stabilization of said pumping element during its movement; andf. a secondary stabilizing element on said second side of said packing for providing further stabilization of said pumping element during its movement.