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Class Information
Number: 55/434
Name: Gas separation > Deflector
Description: Apparatus comprising a surface means which effects an abrupt change in direction of the system fluid gas flow or guides said gas flow to cause the heavier constituents thereof to (1) drop out and remain behind, while the lighter constituent (e.g. clean gas) flows on, or (2) move to the outer periphery of a rotating gas stream in a concentrated layer to permit such layer to be separated from the mass of lighter constituent.


Sub-classes under this class:

Class Number Class Name Patents
55/441 Concentric, nested conduits with closed and open ends for flow reversal 36
55/447 Fixed gas whirler or rotator means 80
55/434.1 Having insulation 16
55/462 Impingement baffle 143
55/440 Parallel and continuous nonplanar members (e.g., crimped, corrugated, curved) 168
55/442 Plural deflectors overlapped and spaced serially in gas flow 66
55/436 Removably supported deflector surface 38
55/435 Wear liners or surface characteristics (e.g., anti-erosion) 77
55/437 With gas pump or fan 52
55/434.2 With heating or cooling means 39


Patents under this class:
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Patent Number Title Of Patent Date Issued
7594484 Blower housing for internal combustion engine Sep. 29, 2009
7540896 Air handling system Jun. 2, 2009
7537626 Gas-liquid separator for a fuel cell system onboard a vehicle May. 26, 2009
7537647 Air purifier May. 26, 2009
7429363 Riser termination device Sep. 30, 2008
7296395 Engine inlet air particle separator with active flow control Nov. 20, 2007
7238223 Acoustical stimulation of vapor diffusion system and method Jul. 3, 2007
7198659 Gas buster exhaust stack liquid containment apparatus and method Apr. 3, 2007
7147684 Device for filtering particles out of a coolant flow in a turbo machine Dec. 12, 2006
7141095 Precursor material delivery system for atomic layer deposition Nov. 28, 2006
7094269 Air pre-cleaner Aug. 22, 2006
7029852 Apparatus and method for detecting and classifying chemicals, particles, vira, and bacteria in fluids Apr. 18, 2006
7004999 Apparatus for separating fouling contaminants from non-condensable gases at the end of a pyrolysis/thermolysis of biomass process Feb. 28, 2006
6936085 Vacuum loader Aug. 30, 2005
6936086 High conductivity particle filter Aug. 30, 2005
6887294 Diesel particulate filter apparatus May. 3, 2005
6746503 Precision gap particle separator Jun. 8, 2004
6702873 High particle separation efficiency system Mar. 9, 2004
6569217 Industrial dust collector with multiple filter compartments May. 27, 2003
6544312 Device for separating the particle-size spectrum of a polydisperse aerosol Apr. 8, 2003
6540803 Fluid media particle isolating system Apr. 1, 2003
6521010 Filter, filtering frame, and semiconductor device manufacturing method and apparatus Feb. 18, 2003
6491734 Air cleaner for internal combustion engine with internally formed air inlet pipe Dec. 10, 2002
6478856 Apparatus and method for collection, sorting, concentrating and impinging particles on a surface Nov. 12, 2002
6402817 Low pressure drop, multi-slit virtual impactor Jun. 11, 2002
6368372 Fluid media particle isolating system Apr. 9, 2002
6328790 Tapered gas inlet for gas treatment system Dec. 11, 2001
6210455 Evaporation apparatus for evaporation of liquids Apr. 3, 2001
6113777 Direct turn separator for particles in a gaseous mixture and its use for fluidized bed thermal or catalytic cracking Sep. 5, 2000
5672102 Dust reduction system for electronic enclosures Sep. 30, 1997
5618323 Integral cab and engine air intake system for a vehicle Apr. 8, 1997
5580361 Gas conditioner apparatus Dec. 3, 1996
5580362 Process for gasification and/or reforming Dec. 3, 1996
5413619 Parts cleaning apparatus May. 9, 1995
5170949 Apparatus and method for processing scrap film Dec. 15, 1992
5161910 Pavement diamond grinder Nov. 10, 1992
5122168 C+P-500 Jun. 16, 1992
4865633 Separator Sep. 12, 1989
4796546 Combustion plant including a circulation fluid bed Jan. 10, 1989
4723972 Gas separation system Feb. 9, 1988
4696683 Method and equipment for separation of solids from gaseous mixtures Sep. 29, 1987
4639311 Device for separating airborne particles into grain size classes Jan. 27, 1987
4608065 Moisture removal for stack gas monitor Aug. 26, 1986
4583885 Vacuum receiver Apr. 22, 1986
4317664 Vacuum cleaner attachment Mar. 2, 1982
4280799 Compressor with guide baffles and gas-permeable material separating means Jul. 28, 1981
4276059 Deaerator for pulp stock Jun. 30, 1981
4246007 Separating gaseous or vaporous substances according to the separating nozzle principle Jan. 20, 1981
4235606 Separation of gaseous or vaporous substances according to the separating nozzle principle Nov. 25, 1980
4233043 Air cleaner for internal combustion engine Nov. 11, 1980

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