Patents for F01M 13 - Crankcase ventilating or breathing (5,172)
02/1992
02/25/1992US5090873 Crankcase oil separator
02/25/1992US5090393 Pressure regulating valve for installation in a vent duct of an internal combustion engine
02/19/1992EP0471142A2 Pressure regulating valve for the installation in a vent conduit of a combustion engine
02/19/1992CN2096648U Oil-gas seperating room for petrol machine
02/19/1992CN2096647U Self oil return respirator
01/1992
01/23/1992DE4122774A1 Oil orifice plate for IC engine crankcase breather - has integral support formed with orifice plate casing
01/21/1992CA1294593C Disposable cartridges for centrifugal separators
01/15/1992EP0466542A1 Cylinder block for an engine comprising a carter vapour evacuation and oil recycling circuit
01/14/1992US5080303 Gearbox breather outlet
01/14/1992US5080082 Pressure regulating valve for crankcase ventilation in an internal combustion engine
01/14/1992CA1294154C Cast shafts, particularly camshafts
01/07/1992US5078233 Oil supply system for machines such as internal combustion engines
01/02/1992EP0463267A1 Intake device for internal combustion engine
01/01/1992CN2091952U Oil-gas separator of gasoline engine
12/1991
12/17/1991US5072713 Filter for lowering harmful crankcase emissions in an internal combustion engine
12/04/1991EP0459031A1 Pressure control valve for the carter ventilation of an internal combustion engine
12/04/1991CN2089983U Ventilating and oil-saving valve for crankcase of gasoline engine
12/03/1991US5069192 Internal combustion engine with crankcase ventilation system
11/1991
11/27/1991EP0458341A1 Cylinder head structure of DOHC engine
11/26/1991US5067449 Fitted crankcase breather valve assembly
11/12/1991US5063882 Oil separator for gases from a crankcase of an internal-combustion engine
10/1991
10/30/1991EP0454512A1 Purifying and recirculation system for blow-by gas of the crankcase of an internal combustion engine and internal combustion engine fit out with this system
10/24/1991DE4012415A1 Crankcase for IC engine in vehicle - with oil separator channel connected to ventilation channel
10/22/1991US5058542 Rocker box cover assembly for internal combustion engine
10/08/1991US5054282 Drain assembly
10/01/1991US5052354 Horizontally-opposed multiple-cylinder engine with a gas baffle
09/1991
09/25/1991EP0448431A1 Intake device and oil separator for an internal combustion engine and engine provided with this device
09/10/1991US5046474 Crankcase ventilator/evacuation system
08/1991
08/07/1991EP0439923A1 Gearbox breather outlet
07/1991
07/30/1991US5035207 Cooling system for vehicle
07/25/1991WO1991009251A3 Centrifugal separator
07/24/1991CN2081432U Crankcase forced ventilating valve joint device
07/10/1991EP0436079A1 Oil separator for gases of a carter of an internal combustion engine
07/02/1991US5027784 PCV system with a check valve device
06/1991
06/27/1991WO1991009251A2 Centrifugal separator
06/26/1991EP0434188A1 Crankcase oil separator
06/18/1991US5024203 PCV oil separator system
06/12/1991EP0430958A1 Device for equalizing pressure between machine housing and the surroundings.
06/11/1991US5022376 Oil separator for crankcase fumes
05/1991
05/14/1991US5014654 Intake manifold for internal combustion engine
05/07/1991CA2028498A1 Integrated induction system
04/1991
04/23/1991US5009212 Port fuel injection and induction system for internal combustion engine
04/11/1991DE3932300A1 Connection between throttle tube and crankcase - incorporates press-fit pipe with swaged ridges
04/09/1991US5005553 Internal combustion
03/1991
03/05/1991US4996956 Breather apparatus for internal combustion engines
02/1991
02/26/1991US4995891 Secondary air filter assembly
02/19/1991US4993517 Oil-fill opening for introducing lubricating oil into an internal combustion engine
02/19/1991US4993375 Engine cylinder head cover
01/1991
01/16/1991EP0407696A1 Crankcase breather and lubrication oil system for an internal combustion engine
01/02/1991CN2068587U Oil-dropping dreathing apparatus
01/01/1991US4981502 Oil-air separator
12/1990
12/20/1990DE4018601A1 Vent for cavities of valves, pistons or housings - has variable vol. chamber sealed from atmos. to store air compressed into and sucked out of cavities
12/18/1990US4977870 Internal combustion engine
12/13/1990DE3938919C1 Oil separator for vent gases from engine crankcase - comprises housing contg. rotation-symmetrical filter through which vent gas flows outwards to cleaning space
12/13/1990DE3918785A1 IC engine air intake manifold - has branched air intake chamber and oil separator in crankcase ventilation system
11/1990
11/28/1990EP0399912A1 Valve cover with oil separator and method for producing same
11/27/1990CA1276846C Blow-by gas processing device for internal combustion engine
11/13/1990US4969434 Overhead-valve type internal combustion engine
11/13/1990US4969422 Breather system for a balancer gear chamber of a two-cycle engine
11/07/1990EP0395841A1 Filling opening for filling lubricating oil into an internal combustion engine
10/1990
10/30/1990US4966703 Cyclone separator
10/30/1990CA1275603C Air cleaner with crankcase breather assembly
10/04/1990DE3910559A1 Oil separator with labyrinth-type flow ducting
09/1990
09/25/1990US4958613 Internal combustion engine with crankcase ventilation system
09/18/1990CA1274133A1 Crank case ventilation system
09/04/1990US4953525 Cooling system for V type engine
08/1990
08/29/1990CN1044974A Engine breather assembly with oil drain back
08/23/1990WO1990009520A1 Dual function air filter
08/23/1990DE3914373C1 Supercharged four-stroke engine with crankcase venting passages - in which supercharged drive and equaliser for crankcase gas flow are mounted
08/14/1990US4947812 For a V-type internal combustion engine
08/14/1990US4947806 Engine breather oil recovery system
08/07/1990US4945887 Crankcase vent system
07/1990
07/17/1990US4941900 Apparatus and method for gas-liquid separation and filtration
07/05/1990DE3936088A1 Self-regulating electric heating device - has contact element acting on heating elements pressed against heating block
05/1990
05/29/1990US4929263 Air cleaner
05/22/1990US4926814 Crankcase breather and lubrication oil system for an internal combustion engine
05/08/1990US4922882 For an internal combustion engine
05/08/1990US4922881 Breather device for an internal combustion engine
05/01/1990US4920943 Cover for the valve rocker compartment of internal combustion engines, with a lubricating oil anti-sucking device
05/01/1990US4920930 System for blow-by gas return to the combustion chamber of an engine
04/1990
04/18/1990CN1007638B Crank channel type respiration structure
04/09/1990EP0341282A4 Cyclone separator.
03/1990
03/27/1990US4911120 Lubrication system for engines
03/06/1990US4905657 Emission control valve with gas flow shut-off
03/06/1990US4905656 Emission control valve with internal spring
02/1990
02/27/1990US4903644 Air intake section of an internal combustion engine
02/20/1990US4901703 Crankcase ventilation system for a reciprocating internal combustion engine
02/08/1990WO1990001130A1 Device for equalizing pressure between machine housing and the surroundings
02/07/1990EP0353903A1 Method for gas-liquid separation and filtration
01/1990
01/25/1990DE3923530A1 Pressure compensator between machine housing and ambient atmos. - includes liq.-tight, but gas permeable membrane supported on less resilient grid
01/24/1990EP0351521A2 Crankcase ventilation
01/24/1990EP0351520A2 Air inlet conduit for a combustion engine
01/11/1990DE3822789A1 Automatic throttle valve for limiting volume flow
01/03/1990EP0348743A2 Crank case air extractor for an internal-combustion engine
12/1989
12/12/1989US4886033 Stabilized flow control valve
12/12/1989US4886019 Engine breather assembly with oil drain back
12/06/1989EP0344240A1 Engine with crankcase fumes disposal system
11/1989
11/21/1989US4881510 Breather device of an engine
11/15/1989EP0341770A2 An internal combustion engine valve rocker compartment cover, with a lubricating oil anti-sucking device
11/15/1989EP0341282A1 Cyclone separator
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