F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
230/89
F04C 29/06 (2006.01) F04C 29/02 (2006.01)
Patent
CA 1152469
078138-BWL COMPACT OIL SEPARATOR FOR ROTARY COMPRESSOR Abstract: Separation of lubricating oil, entrained in the discharge gas produced by a rotary vane compressor, is achieved in a relatively small space by initially passing the oil-laden discharge gas through a first closed chamber, containing an oil separating element, to form a stream of gas having some of its oil removed and having a desired velocity uniformly distribed across the stream's cross section. The gas stream is then circulated within a second and larger closed chamber where the remaining oil is separated out by gravity settling and impingement on the second chamber's walls. The separated oil collects in a reservoir at the bottom of the second chamber to form an oil pool (47). The oil-free discharge gas exits through an outlet (64) in the second chamber (58). Oil is drawn off, and returned to the oil distribution system of the compressor, from a quiet portion of the oil pool which is protected from any turbulence of the gas stream by a shield (55) within the second chamber that extends into the oil pool and prevents the re-entrainment of discharge gas, as gas bubbles, into the protected quiet portion of the pool. The shield also serves to prevent the protected oil from being re-entrained into the discharge gas.
348752
Kim Tong S.
Lee John S.
Borg-Warner Corporation
Macrae & Co.
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