Patent ID: 8915237
Filing Date: 2014-12-23
Classification: B01D,F01M

Abstract:
1. A separator for separating contaminants from a fluid stream, comprising: a first chamber having a first inlet arranged to receive a first fluid stream including entrained contaminants; a second chamber fluidly coupled to the first chamber through an aperture such that the first fluid stream can pass through the aperture into the second chamber; an actuator arranged to adjust the cross sectional area of the aperture according to a pressure differential between fluid pressure in the first chamber and a pressure reference; an impaction surface in the second chamber located in spaced-apart relation from the aperture in the path of the first fluid stream so as to deflect the first fluid stream after the first fluid stream enters the second chamber such that contaminants are separated from the first fluid stream; and a jet pump arranged to generate a pressure differential across the aperture to draw the first fluid stream through the aperture; wherein the jet pump comprises a third chamber having a second inlet for receiving a second fluid stream into the third chamber, the second inlet including a convergent nozzle for accelerating the second fluid stream, and a third inlet for receiving the first fluid stream downstream of the impaction surface, the third inlet being arranged relative to the second inlet such that the second fluid stream can entrain and accelerate the first fluid stream.