B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
209/7
B03B 7/00 (2006.01) B01D 45/16 (2006.01) F02C 7/05 (2006.01) F02M 35/022 (2006.01)
Patent
CA 1204412
Abstract of the Disclosure An airflow particle separator for a gas turbine engine provided for removing foreign particles and moisture from the air flow. The separator comprises an inner wall and an outer wall defining a passageway therebetween, with the inner wall including an inlet portion diverging in a downstream direction away from the separator axis while converging towards the outer wall to form a throat to accelerate incoming air to a higher velocity in a substan- tially axial direction. The inner wall then converging towards the separator axis and diverging from said outer wall with splitter means dispose between the inner and outer walls for splitting said passageway into inner and outer passages, with outer passage adapted to bypass moisture and foreign particles. The leading edge of the splitter means is located downstream and inward of said throat. The inner wall upstream of the throat area is provided with a deflector surface in the form of a concave parabolic curve such that as particles strike the deflecting inner wall they will be focused in a predetermined bounce zone of the outer wall adjacent and downstream of the throat such that the particles will be bounced on top of and downstream of the splitter means into the outer passage.
439203
Breitman Daniel S.
Langenegger Henrique
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Pratt & Whitney Canada Inc.
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