Patent ID: 6851923
Filing Date: 2005-02-08
Classification: B05C,F04B

Abstract:
1. A cartridge adapted for coupling to a fluid pump comprising: a body having a bore; a chamber for collection of fluid adjacent a lateral portion of the bore; a fluid inlet in communication with the chamber for introducing fluid into the chamber, a fluid outlet at an outlet portion of the bore, such that fluid entering the fluid inlet can be released from the cartridge only at the fluid outlet; and a feed screw for delivering fluid from the fluid inlet to the fluid outlet via the chamber, the feed screw having a longitudinal axis, the chamber being elongated in a direction along the longitudinal axis of the feed screw, wherein the elongated chamber is of a cross-sectional area that is larger than that of the fluid inlet, and wherein the fluid outlet is at an end of the bore along the longitudinal axis of the feed screw.