Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01M - Lubricating of machines or engines in general; Lubricating internal-combustion engines; Crankcase ventilating › F01M 13 - Crankcase ventilating or breathing
Patents for F01M 13 - Crankcase ventilating or breathing (5,172)
11/1989
11/07/1989US4878929 Liquid-gas separator
10/1989
10/31/1989US4876916 Cast shafts, particularly camshafts
09/1989
09/26/1989US4869213 For relieving gas pressure in a crank case
09/26/1989CA1260411A1 Valve mechanism lubrication system for an overhead valve engine
09/05/1989US4862860 Blow-bye gas return device for internal combustion engines
08/1989
08/29/1989US4861359 Dual function air filter
08/15/1989US4856487 Gas flow rate control system for internal combustion engine
08/15/1989US4856486 Internal combustion engine
08/01/1989US4852539 Supplemental air valve for internal combustion engine
07/1989
07/18/1989US4848518 Method and apparatus for preventing fluid leakage from a gear case
07/04/1989US4844032 Venting arrangement with integrated oil separator
06/1989
06/28/1989CN2040150U Automobile oil purifying and saving device
06/27/1989US4842622 Gas/liquid/solids separator
06/15/1989WO1989005394A1 Crankcase fumes disposal system
06/14/1989EP0211016B1 Apparatus for the treatment of flue gases
06/01/1989WO1989004726A1 Cyclone separator
05/1989
05/30/1989US4834028 Piston cooling system for a reciprocating piston internal combustion engine
05/09/1989US4827715 Crankcase fumes disposal system
05/09/1989CA1253759A1 Idle fuel residual storage system
05/02/1989US4825818 Breather apparatus and cam chain tensioner adjuster apparatus in four-cycle engine
04/1989
04/25/1989US4823759 Pressure deriving port of internal combustion engine
04/11/1989CA1252355A1 Intake manifold for internal combustion engine having exhaust gas recirculation system
03/1989
03/28/1989US4816156 Hydro-dynamic separator
03/14/1989US4811697 For an internal combustion engine
02/1989
02/23/1989DE3727143A1 Crank case venting filter
02/08/1989EP0302438A1 Intake conduit part of an internal-combustion engine
12/1988
12/29/1988DE3719826A1 Internal combustion engine
12/20/1988CA1247018A1 Arrangement for the separation of particles
12/14/1988EP0294786A2 Lubricating system for a vertical internal combustion engine
12/13/1988US4790287 Crankcase vent system
11/1988
11/29/1988US4787975 Disposable cartridges for centrifugal separators
11/29/1988US4787832 Automatic air vent device for fluid pump of internal combustion engine
11/17/1988EP0291358A2 Internal combustion engine
11/03/1988DE3735913A1 Oil separator for the breather gases from the crankcase of an internal combustion engine
11/01/1988US4781165 Internal combustion engine pollutant control system
10/1988
10/26/1988EP0287756A2 De-aeration device with integrated oil separator
10/25/1988US4779601 Automotive fuel saver device
10/20/1988DE3811774A1 Internal combustion engine
09/1988
09/20/1988US4771745 Structure of internal combustion engine
09/15/1988DE3806266A1 Piston cooling for a reciprocating piston internal combustion engine
09/06/1988US4769050 Oil intrained in vapor; emissions from internal combustion engines
09/06/1988US4768493 Blow-by gas heating system for internal combustion engines
08/1988
08/30/1988US4766858 Internal combustion engine
08/09/1988US4762098 Lubricating device for overhead valve engine
08/09/1988CA1240273A1 Oil cleaning assemblies for engines
08/02/1988US4760833 Engine crankcase vacuum check valve system for internal combustion engines
07/1988
07/05/1988US4755103 Lubricant/gas separating arrangement
06/1988
06/28/1988US4753214 Crankcase ventilation system for motor vehicles
06/22/1988EP0271638A2 Cast shaft, in particular camshaft
05/1988
05/19/1988DE3638986A1 Method and device for influencing the CO content of the exhaust gas of a spark ignition engine
04/1988
04/07/1988DE3731597A1 Lubricating and/or cooling oil supply for an internal combustion engine having an intake pipe
03/1988
03/29/1988US4734030 Apparatus for the treatment of flue gases
03/03/1988DE3727073A1 Crankcase for an internal combustion engine with a breather port
03/02/1988CN86107864A Crank channel type respiration structure
03/01/1988US4727834 Vertical engine for walk behind lawn mower
02/1988
02/16/1988US4724807 In-line air-oil separator
02/11/1988DE3625836A1 Device for positive ventilation of the crankcase of an internal combustion engine
02/09/1988US4723529 Oil separator for a blowby gas ventilation system of an internal combustion engine
02/03/1988EP0254816A2 Crankcase ventilation in motor vehicles
01/1988
01/27/1988EP0254356A2 Centrifugal oil filter
01/26/1988US4721090 Blow-by gas recirculating apparatus
01/14/1988WO1988000290A1 Fuel injected engine pollutant control system
01/07/1988EP0251159A2 Return line for leak gas from a crank case
01/07/1988DE3622024A1 Return line for leakage gases from the crankcase
12/1987
12/29/1987US4715351 Supplemental air valve for internal combustion engine
12/29/1987US4715329 Induction system for internal combustion engine
12/22/1987US4714139 Lubricating system for gas turbine engines and pump for such a system
12/15/1987US4712532 Crankcase emission control system for an internal combustion engine
12/08/1987US4711224 Check valve in auxiliary vacuum system
12/08/1987US4711222 Internal combustion engine pollutant control system
12/01/1987US4709667 Oil supply device for valve operating system having hydraulic tappet in internal combustion engine
11/1987
11/26/1987DE3701587C1 Oil mist separator for internal combustion engines, especially for crankcase breathing
11/24/1987US4708118 Fuel injected internal combustion engine pollutant control system
11/10/1987US4705007 Method of controlling tank venting in an internal combustion engine and apparatus therefor
10/1987
10/07/1987EP0240120A2 Internal combustion engine
09/1987
09/02/1987EP0234439A2 Fluid flow machine with supply means for lubricant
09/01/1987US4690759 Refrigeration system
08/1987
08/25/1987US4688529 Lubricating system for horizontal cylinder overhead valve engine
08/18/1987US4686952 Controlled PCV valve
08/18/1987US4686946 Valve moving system of an overhead valve engine
07/1987
07/21/1987US4681068 Blow-by gas processing arrangement for automotive internal combustion engines
06/1987
06/30/1987US4676759 System for discharging water from crank chamber
06/23/1987US4674457 Dry sump crankcase
05/1987
05/27/1987DE3541204A1 Oil separator for the crankcase ventilation of an internal combustion engine
05/26/1987US4667647 Crankcase ventilating system and method of removing oil mist from gas in the system
05/20/1987EP0221988A1 Rotors for centrifugal separators
05/13/1987EP0221138A1 Internal combustion engine pollutant control system
05/06/1987EP0220886A2 Reciprocating internal combustion engines
05/05/1987US4662322 Overhead-valve engine
04/1987
04/29/1987CN86103804A Device of control pollution of the internal combustion engine
04/14/1987US4656991 Breather device for internal combustion engine
04/08/1987EP0217344A2 Oil-air separating device
03/1987
03/31/1987US4653457 Air cleaner with crankcase breather assembly
03/24/1987US4651704 Breather arrangement for cam case of internal combustion engine
03/24/1987US4651702 Air-fuel mixture heating device for internal combustion engine
03/17/1987US4649873 Oil return system for overhead cam engine
03/17/1987US4649870 Method and apparatus for improving lubricant seal life
02/1987
02/26/1987DE3604090A1 Device on a supercharged internal combustion engine for the return of crankcase breather gases into the combustion chamber of the internal combustion engine
02/26/1987DE3601391A1 Device for the suction removal of oil condensate dripping off into the air collecting box of a charge air cooler
02/25/1987EP0211156A2 Valve mechanism lubrication system for an overhead valve engine
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