Aerosol separator; and method
AssigneeDonaldson Company, Inc.
InventorsSteven Scott Gieseke, Robert Allen Dushek
Life of this patent
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Abstract
An arrangement for separating a hydrophobic liquid phase from a gaseous stream includes a coalescer filter, a housing, a gas flow direction arrangement, and a liquid collection arrangement. The coalescer filter includes a non-woven media of fibers. The housing includes an interior having a gas flow inlet and a gas flow outlet. The liquid collection arrangement is positioned within the housing construction and is oriented for receiving liquid collected from the coalescer filter and drained therefrom. Methods for conducting the separations are also provided.
Claims20
A diesel engine crankcase blow-by recovery system comprising:
- (a) a diesel engine having a crankcase blow-by vent;
- (b) an engine air intake system for the diesel engine;
- (c) a filter arrangement including:
- a housing having a gas flow inlet;
- a gas flow outlet;
- and, a liquid flow outlet;
- (i) said gas flow inlet of said filter arrangement being positioned in gas flow communication with said crankcase blow-by vent, to receive blow-by gasses therefrom;
- (ii) said gas flow outlet being oriented in gas flow communication with said engine air intake system to direct gases thereto;
- (iii) said filter arrangement including first and second, separate filter elements;
- each of said first and second filter elements being independently removably positioned within said housing;
- (A) said first filter element comprising a coalescer filter oriented for passage of engine blow-by gases therethrough;
- said coalescer filter comprising non-pleated polyester fiber filter media;
- (B) said second filter element comprising a pleated media filter oriented to receive gases from said coalescer filter and to filter the gases as said gases are directed to said gas flow outlet;
- and,
- (v) said filter arrangement including a liquid collection arrangement oriented for receiving liquid collected within said coalescer filter and drained therefrom.
An arrangement for separating a liquid phase from a gaseous stream;
- the arrangement comprising:
- (a) a housing construction including a body defining an interior;
- a selectively openable door mounted on said body to selectively provide access to said body interior;
- and having a gas flow inlet, a gas flow outlet, and a liquid flow outlet;
- (b) a first filter element;
- said first filter element including a coalescer filter comprising a nonwoven media of fibers;
- said coalescer filter being mounted within said body interior and being oriented to receive gases from said gas flow inlet and separate a liquid phase from the gases;
- (c) a second filter element;
- said second filter element including a pleated media filter mounted within said body interior;
- said pleated media filter oriented to receive the gases from said coalescer filter and to filter the gases prior to flowing through said gas flow outlet;
- and
- (i) said coalescer filter and said pleated media filter being removable and replaceable from said housing body, when said door is selectively opened to expose said body interior.
Dependencies are inferred from the claim text.