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Class Information
Number: 55/DIG.19
Name: Gas separation > Crankcase ventilation
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
8663370 Breather for crankcase ventilation system Mar. 4, 2014
8480777 Oil separation device of engine Jul. 9, 2013
8470062 Drain tube for gas-liquid separation systems Jun. 25, 2013
8460416 Oil separating device, especially for crankcase venting in an internal combustion engine Jun. 11, 2013
8404029 Crankcase ventilation filter arrangments; components; and, methods Mar. 26, 2013
8404014 Aerosol separator Mar. 26, 2013
8252079 Particle separating device for an aerosol stream Aug. 28, 2012
8246726 Ventilation member Aug. 21, 2012
8241411 Multistage variable impactor Aug. 14, 2012
8177875 Aerosol separator; and method May. 15, 2012
8172917 Apparatus for the purification of gas while bleeding a crank housing May. 8, 2012
8152887 Air/oil separator Apr. 10, 2012
8114183 Space optimized coalescer Feb. 14, 2012
8075654 Gas-liquid separator with expansion transition flow Dec. 13, 2011
8075655 Rotative inertial impactor gas-oil separator for internal combustion engine Dec. 13, 2011
7981182 Labyrinth box structure and method Jul. 19, 2011
7964009 Inertial gas-liquid separator with axially variable orifice area Jun. 21, 2011
7938870 Liquid separator with bypass May. 10, 2011
7935164 Vortex air-oil separator system May. 3, 2011
7875098 Centrifugal separator for cleaning of gas Jan. 25, 2011
7857883 Inertial gas-liquid separator with constrictable and expansible nozzle valve sidewall Dec. 28, 2010
7850754 Device for separating a gas-liquid mixture, in particular during ventilation of a crankcase of an internal combustion engine Dec. 14, 2010
7828865 Gas-liquid separator with dual flow impaction and coalescence Nov. 9, 2010
7799109 Device for separating a gas-liquid mixture Sep. 21, 2010
7776139 Separator with transfer tube drainage Aug. 17, 2010
7704300 Device and a method for cleaning of a gas Apr. 27, 2010
7678169 Oil fill cap with air/oil separator Mar. 16, 2010
7655073 Inertial gas-liquid separator with variable flow actuator Feb. 2, 2010
7632326 Compensating shaft module Dec. 15, 2009
7604676 Inertial impactor for closed crankcase ventilation Oct. 20, 2009
7550035 Electrostatic precipitator with inertial gas-contaminant impactor separator Jun. 23, 2009
7517392 Breather system and method of using the same Apr. 14, 2009
7488378 Device for separating oil from an oil-air separator of an oil reservoir Feb. 10, 2009
7422612 Oil separator for the separation of oil from the crankcase ventilation gas of an internal combustion engine Sep. 9, 2008
7285149 Oil separator for vehicle air system Oct. 23, 2007
7112236 Multistage space-efficient electrostatic collector Sep. 26, 2006
7105042 Apparatus for separating aerosols or particles from gases Sep. 12, 2006
7081146 Apparatus for simultaneous cleaning of a liquid and a gas Jul. 25, 2006
7081145 Aerosol separator; and method Jul. 25, 2006
7077881 Apparatus for simultaneous cleaning of a liquid and a gas Jul. 18, 2006
7059311 Air/oil separating device Jun. 13, 2006
7052529 Method and a device for cleaning of crankcase gases coming from an internal combustion engine adapted for propelling a means of transportation May. 30, 2006
7033410 Centrifugal separator Apr. 25, 2006
7011690 Device for separating liquid from a gas current Mar. 14, 2006
6860915 Oil separating device for crankcase gases of an internal combustion engine Mar. 1, 2005
6858051 Device for separating a fluid from a gas stream Feb. 22, 2005
6827753 Gas/liquid separation system Dec. 7, 2004
6821319 Method and an apparatus for cleaning of gas Nov. 23, 2004
6814768 Oil separator Nov. 9, 2004
6811586 Oil separating device for crankshaft gases of an internal combustion engine Nov. 2, 2004

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