F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
170/64
F01D 1/00 (2006.01) F02C 7/052 (2006.01) F04D 23/00 (2006.01)
Patent
CA 1111773
AIR PUMP WITH PRIMARY AND SECONDARY INLET FLOW CHANNELS Abstract of the Disclosure An air pump useful in pumping gases containing abrasive particles is disclosed. A housing is constructed with a primary flow channel centered around the pump axis and a secondary flow channel annularly surrounding the primary channel just inside the outer housing wall. Within the midsection of the pump a powered impeller rotating within an axially symmetric shroud accelerates air drawn from the primary flow channel causing it to be discharged through an annular shaped ejector nozzle into a suction chamber. Presence of the high velocity airstream in the suction chamber draws the contents of the secondary flow channel into the suction chamber. The entrained contents of the primary and secondary flow channels are carried into the diffuser where the velocity energy of the mixture is converted into pressure. The pressurized mixture is then discharged through the exhaust section.
327057
Kuintzle Charles
Murphy Joseph P.
Avco Corporation
Ridout & Maybee Llp
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