Matches 1 - 50 out of 154 1 2 3 4 >
Match Document Document Title
7428898 Apparatus for removing contaminants from crankcase emissions  
A separator for separating liquids in a fluid stream generated by blow-by gases produced in a crankcase of an internal combustion engine wherein the fluid stream includes both gasses and liquids....
7370645 Variable stiffness flow control valve  
A flow control valve is provided. According to one aspect of this disclosure, the flow control valve includes a valve element and a support element. The valve element is configured to deflect...
7334574 Method and apparatus for increased automobile fuel efficiency  
An automobile fuel/oil separator including a plurality of gravel particles arranged between a pair of screens is connected with an automobile PCV valve for separating the crankcase oil from the...
7316227 Temperature-controlled PCV valve  
A positive crankcase ventilation valve includes a flow restrictor movable in an orifice to vary flow of fumes from an engine crankcase to an intake manifold in a vehicle. The valve also includes a...
7316226 Heated PCV system  
A PCV system includes heated PCV valve for metering a flow of crankcase gases therethrough and a heated inlet manifold fitting for receiving a flow of crankcase gases therethrough. The PCV valve...
7285149 Oil separator for vehicle air system  
An oil separator for use in a vehicle air system includes a recycling valve for removing coalesced oil. The recycling valve may include a piston movable in a cylinder in response to a control air...
7174882 Pressure regulating valve  
Known pressure regulating valves have a valve closing body, which cooperates with a valve seat, and a restoring spring, which acts on a valve closing body in the direction facing away from the...
7134427 Delivery of organomolybdenum via vapor phase from a lubricant source into a fuel combustion system  
A method and combustion system for reducing the formation of intake manifold deposits, such as including intake valve valves, and exhaust valve deposits in combustion engines by delivery of an...
7131433 Positive crankcase ventilation valve assembly  
A positive crankcase ventilation valve assembly is provided. The positive crankcase ventilation valve assembly includes a housing having a first end and a second end and a flow path therebetween. A...
7017564 Temperature-controlled PCV valve  
A positive crankcase ventilation valve includes a flow restrictor movable in an orifice to vary flow of fumes from a crankcase to an intake manifold in a vehicle. The valve also includes a wax...
7017563 Valve for controlling a fluid flow  
A valve for controlling a fluid flow, in particular for crankcase venting of an internal combustion engine, including a base body ( 37 ), a valve body ( 22 ) and a biasing means ( 23 ), the base...
6889674 Combined shut-off valve and cover for an engine breather system  
In prior art engine breather systems, shut off valves that prevent oil from entering the engine induction system have been mounted externally on the engine and require associated external pipework....
6883538 Flow control valve coupling structure  
A flow control valve coupling structure that does not require complicated machining and facilitates the installation of a flow control valve. The coupling structure includes a fitting portion...
6837914 Oil separating apparatus for blow-by gas  
An oil separating apparatus for blow-by gas adapted to form a funnel shaped space in a cylinder head cover to prompt oil contained in the gas to be introduced to an oil line along an inner...
6820601 Freeze-resistant positive crankcase ventilation valve  
A positive crankcase ventilation valve for venting crankcase gases from a crankcase of an engine has a valve casing with an inlet adapted to communicate with the crankcase and an outlet adapted to...
6807958 Valve assembly and method for controlling flow of gases from an engine crankcase to an engine intake manifold  
A valve assembly and method for controlling flow of gases through a passage between an engine crankcase and an engine intake manifold is provided. The method includes decreasing a flow of gases...
6802303 Valve device for pressure control in a combustion engine, and a method for such pressure control  
Method and device ( 15 ) for pressure control in a combustion engine ( 1 ) with a crankcase ( 11 ) to which crankcase gases are guided during operation of the engine. The valve device ( 15 ) is...
6782879 Air breather assembly  
A breather assembly for connection to a protected chamber for use in both positive and negative pressure environments, is described. The breather assembly has a central intake chamber that is...
6722129 Crank case ventilation system  
The present invention relates to a crank case ventilation system for an internal combustion engine that has a two-stage air charge boosting system. An air inlet system supplies the engine with air...
6684865 Pressure control valve with pressurized membrane  
A pressure control valve with a pressurized membrane ( 5 ) for closing and opening a gas passage ( 7 ) in which a valve chamber ( 8 ) pressurized with an ambient pressure (P amb ) is located on the...
6651636 Pressure regulating piston with built-in relief valve  
A pressure-regulating valve particularly useful in a diesel internal combustion engine with a closed crankcase is provided. The valve includes a body coupled to a bonnet with an internal movable...
6644290 Engine breather system  
An engine breather system is formed from a first breather chamber communicating with a crank chamber formed within a crankcase, a second breather chamber communicating with the crank chamber as...
6591820 Air-oil separating apparatus for engine  
A PCV valve is incorporated in the interior of a centrifugal oil mist separator which is provided integrally on a head cover of an engine. The centrifugal oil mist separator comprises an...
6581583 Engine intake off gas heater  
In accordance with the teachings of the present invention, an off gas emission engine intake system is provided which uses engine cooling fluid to deliver warm emission gasses to the engine. The...
6546921 Heated PCV valve  
A heated PCV valve ( 30 ) includes a valve body ( 80 ) for metering a flow of crankcase gases therethrough. The valve body ( 80 ) has an intermediate portion ( 82 ) with a heating element ( 50 )...
6418918 Positive crankcase ventilation system  
An intake manifold for an engine is provided that includes a housing having a passageway carrying blow-by gases from an engine crankcase. A valve body housing having a cavity is defined by a...
6158423 Crankcase ventilation valve for an internal combustion engine  
The invention concerns a valve for sucking up gases from an internal combustion engine crankcase (10) comprising a body (14, 16), a gas intake duct (32) connected to the crankcase inner space (12),...
6044829 Heating arrangement  
A heating arrangement, particularly for preventing freezing of pipes for delivering crankcase gas from the crankcase of an internal combustion engine to the air intake, in which a valve (12, 18) is...
6009846 Combination air-filter/air-oil separator with integral vacuum regulator  
The combination apparatus silences and filters air flow, separates air-contaminant mixtures, and maintains a regulated vacuum therein. An air filter joins an annular housing which has an outer wall...
5967178 Flow-controlled one-way valve  
An improved one-way valve consisting of a valve body containing a valve chamber with at least two surfaces and having first and second fluid ports each communicating with a respective one of said...
5881686 Crankcase breather valve for engines with synchronous piston movement  
A crankcase breather valve for ventilation and pressure control within the crankcase of an internal combustion engine in which pistons stroke upwardly and downwardly in a synchronous movement. The...
5722376 Apparatus and method for controlling the flow of crankcase emissions in an internal combustion engine  
An apparatus is provided for controlling the flow of crankcase emissions. The apparatus includes a crankcase emissions regulator for regulating the flow of crankcase emissions discharged from an...
5697351 Positive crankcase ventilation valve for motor vehicle  
A PCV valve for use in conjunction with an engine of a motor vehicle that reduces audible noise and increases the efficiency at which blow-by gases are routed to the engine's intake manifold to be...
5611204 EGR and blow-by flow system for highly turbocharged diesel engines  
A gas flow network in combination with a highly turbocharged diesel engine for the blending of either EGR gas or blow-by gas from the crankcase vent with fresh charge air is disclosed. In the...
5586541 Auxiliary assembly for improving the combustion efficiency of an engine  
An auxiliary assembly for improving the combustion efficiency of an engine, mounted in the ventilation passage system of a crankcase. A body portion of the auxiliary assembly is furnished with two...
5347973 Vacuum relief valve  
A vacuum relief valve for use with internal combustion engines is provided. The valve is connected to the breathing tubes of an engine on one side and to the air induction system of the engine on...
5335641 Oil filler for an internal combustion engine  
A pressure control valve for controlling the vacuum in a crankcase housing, which valve is disposed on an oil filler opening (33) and simultaneously acts as a cap for the oil filler opening. A tube...
5228424 Positive crankcase ventilation valve  
A two stage valve for regulating the ventilation of gases from the crankcase of an internal combustion engine, where the flow of gases from the crankcase through the valve and into the intake...
5201301 Adjustable ambient air filtering system and pollution control device  
An ambient air system and pollution control device for an internal combustion engine includes a valve housing having an inlet port for receiving blow by gases from the engine crank case. The...
5113836 Filter for lowering harmful crankcase emissions in an internal combustion engine  
Apparatus for receiving crankcase emissions from an internal combustion engine and for separating the liquid portions of the emissions from the gaseous portion thereof. The apparatus includes a...
5090393 Pressure regulating valve for installation in a vent duct of an internal combustion engine  
A pressure regulating valve, especially for regulating the vacuum in the crankcase of an internal combustion engine, which includes a pan-shaped housing having a bottom part, a housing cover, and a...
5080082 Pressure regulating valve for crankcase ventilation in an internal combustion engine  
A pressure regulating valve for venting the crankcase of an internal combustion engine in which the pressure regulating valve is combined with a motor oil filler tube and with an oil dip stick....
4920943 Cover for the valve rocker compartment of internal combustion engines, with a lubricating oil anti-sucking device  
A cover for a valve rocker compartment of an internal combustion engine which comprises a hollow shaped casing (9) for closing the compartment containing the rockers (6) which operate the engine...
4905657 Emission control valve with gas flow shut-off  
A gas flow control valve for engine crankcase emissions includes an enclosure and a hollow valve element which is supported on a rod to permit sliding movements in response to a balance of forces...
4905656 Emission control valve with internal spring  
A gas flow control valve for engine crankcase emissions includes an enclosure and a hollow valve element which is supported on a rod to permit sliding movements in response to a balance of forces...
4886033 Stabilized flow control valve  
A gas flow control valve for engine crankcase emissions includes an enclosure and a hollow valve element which is supported on a rod to permit sliding movements in response to a balance of forces...
4886019 Engine breather assembly with oil drain back  
A breather assembly for a combustion engine which conserves oil by condensing oil vapors from the engine and returning the oil to the crankcase. The breather assembly is mounted to the crankcase...
4881511 Crankcase ventilator  
A cleaning sytem for automobile exhaust gases has a perforated inlet allowing the gases to enter a sump area containing liquid for washing the gases. Nozzles spray cleaning liquid onto the washed...
4856487 Gas flow rate control system for internal combustion engine  
A gas flow rate control system for controlling the flow rate of blow-by gas to be recirculated back to the combustion chamber in an internal combustion engine. The gas flow rate control system...
4852539 Supplemental air valve for internal combustion engine  
An air metering valve or supplemental air valve connectable in the PCV system of an internal combustion engine having a shiftable valving member which regulates the quantity of supplemental air...
Matches 1 - 50 out of 154 1 2 3 4 >