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Class Information
Number: 55/394
Name: Gas separation > With guide means effecting removal of constituent layer out of gas stream > At escape means for heavier constituent
Description: Apparatus in which the directing means is at or forms the outlet means through which the heavier constituent layer leaves the separator chamber.










Sub-classes under this class:

Class Number Class Name Patents
55/395 And separable residue receptacle 22
55/396 Annular outlet around gas outflow path 155
55/398 Plural, angularly spaced 51
55/397 Spaced, overlapped walls 32


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8657928 Versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner Feb. 25, 2014
8657930 Separation system comprising a swirl valve Feb. 25, 2014
8597403 Inline water trap Dec. 3, 2013
8470064 Device, method, and system to separate liquid and particulate matter from the air stream of a centrifugal fan Jun. 25, 2013
8454716 Variable flow particle separating structure Jun. 4, 2013
8414682 Inline water trap Apr. 9, 2013
8337580 Debris separator Dec. 25, 2012
8313547 Aerodynamic separation nozzle Nov. 20, 2012
8287613 Gas-solids separator Oct. 16, 2012
8182565 Compressor incorporated with oil separator May. 22, 2012
8016901 Aerodynamic separation nozzle Sep. 13, 2011
8007554 Apparatus and method for the purification of air entering animal transport vehicles Aug. 30, 2011
8002866 Steam-water separator Aug. 23, 2011
7993426 Moisture separator Aug. 9, 2011
7887610 Single/multiple guard(s)/cap(s) and/or screen(s) with engine attached apparatus and/or pole with rotational system(s)-centrifuge chamber/manifold particle collector Feb. 15, 2011
7879123 Inertial separator Feb. 1, 2011
7837753 Systems for filtering particles from an airflow Nov. 23, 2010
7837752 Water removal downstream of a turbine Nov. 23, 2010
7819954 Gas/liquid separator including a liquid trap filter Oct. 26, 2010
7731486 Compressor with dual pathways for returning lubricating oil Jun. 8, 2010
7678165 Particle separator using boundary layer control Mar. 16, 2010
7615087 Single/multiple guards(s)/cap(s) and/or screen(s) with engine attached apparatus and/or pole with rotational systems(s)--centrifuge chamber/manifold particle collector Nov. 10, 2009
7581287 Vacuum cleaner with spiral air guide Sep. 1, 2009
7566352 Single/multiple guards(s)/cap(s) and/or screen(s) with engine attached apparatus and/or pole with rotational system(s)-centrifuge chamber/manifold particle collector Jul. 28, 2009
7540896 Air handling system Jun. 2, 2009
7494522 Single/multiple guard(s)/cap(s) and/or screen(s) with engine attached apparatus and/or pole with rotational system(s) - centrifuge chamber/manifold particle collector Feb. 24, 2009
7470300 Duct wall water extractor Dec. 30, 2008
7402197 Gas/liquid separator including a liquid trap filter Jul. 22, 2008
7381235 Cyclone separator, liquid collecting box and pressure vessel Jun. 3, 2008
7354257 Refrigerating cycle or compressor having foreign matter collector Apr. 8, 2008
7320718 Device for a cyclone scrubber Jan. 22, 2008
7314355 Compressor including deviated separation chamber Jan. 1, 2008
7281913 Compressor including integrally formed separation tube and seal bolt Oct. 16, 2007
7281912 Compressor having a safety device being built in at least one of the screw plugs of the oil-separator Oct. 16, 2007
7273514 Apparatus and method for filtering particulate and NOx emissions Sep. 25, 2007
7169305 Advanced liquid vortex separation system Jan. 30, 2007
7147684 Device for filtering particles out of a coolant flow in a turbo machine Dec. 12, 2006
7056368 Powered air cleaning system and air cleaning method Jun. 6, 2006
7033410 Centrifugal separator Apr. 25, 2006
6989045 Apparatus and method for filtering particulate and reducing NOx emissions Jan. 24, 2006
6923847 Gas/liquid separator including a liquid trap filter Aug. 2, 2005
6896720 Cleaning apparatus May. 24, 2005
6872232 Engine with upstream and rotationally attached guard Mar. 29, 2005
6802881 Rotating wave dust separator Oct. 12, 2004
6725654 Vortex device and system for treating exhaust gas from internal combustion engine Apr. 27, 2004
6716269 Centrifuge and cascade for the separation of gases Apr. 6, 2004
6681726 Intake system for the combustion air of an internal combustion engine in a portable handheld work apparatus Jan. 27, 2004
6666667 Refrigerating cycle or compressor having foreign matter collector Dec. 23, 2003
6596045 Cyclonic device for vacuum cleaners having a dust outlet channel in an end wall Jul. 22, 2003
6592654 Liquid extraction and separation method for treating fluids utilizing flow swirl Jul. 15, 2003

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