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| Number | Title | Issue Date |
| 8146545 | Filter for a crankcase ventilation system An oil-collecting can (500) for a filter cartridge (300) comprises a plurality of capillary ribs (530) that are sized and shaped to contact filter media in the outlet chamber. The oil-collecting can (500) can be used in conjunction with a... | 04/03/2012 |
| 7997239 | Breather device of vertical type engine A breather device of a vertical type engine includes: an engine body having a crank chamber and a cylinder bore; and a timing transmission chamber provided above the engine body and housing a timing transmission device that connects between a crankshaft and a cam sh... | 08/16/2011 |
| 7918196 | Vertical type engine A vertical type engine includes: an engine body having a crank chamber and a cylinder bore; and a timing transmission chamber provided above the engine body and housing a timing transmission device that connects between a crankshaft and a cam shaft which are vertica... | 04/05/2011 |
| 7779794 | Breather device and engine A breather device provided in a 4-cycle engine which is configured to be mounted on a front part of a vehicle body of a snow vehicle, the 4-cycle engine including a crankcase, a crankshaft rotatably supported on the crankcase and provided in a state substantially pa... | 08/24/2010 |
| 7743742 | Cylinder head cover with oil separator The present invention relates to a cylinder head cover for covering a cylinder head of a combustion engine. Such cylinder head covers often comprise an oil separator for separating oil and/or oil spray from the blow-by gas of combustion engines. With the present inv... | 06/29/2010 |
| 7699029 | Crankcase ventilation system with pumped scavenged oil A crankcase ventilation system for an internal combustion engine has a jet pump suctioning scavenged separated oil from the oil outlet of an air/oil separator and pumping same to the crankcase. The jet pump supplies pumping pressure greater than the pressure differe... | 04/20/2010 |
| 7520250 | Crankcase breather assembly A breather assembly for ventilation and pressure control within a crankcase of a positive displacement motor or pump. The breather assembly includes an intake/exhaust port through the crankcase with a valve seat for the port on an exterior surface of the crankcase. ... | 04/21/2009 |
| 7484480 | Apparatus and method for removing crankcase gases A method includes the steps of connecting the input of a compressor of a vehicle air braking system with a gas output of a crankcase of a vehicle engine, directing into the input of the compressor a blend of from 0% crankcase gases and 100% ambient pressure air to 1... | 02/03/2009 |
| 7438031 | Layout structure of hydraulic control valve for valve train in internal combustion engine To provide a layout structure of a hydraulic control valve for a valve train in an internal combustion engine which can reduce the influence of heat from the cylinders and can avoid the impairment of the external appearance of the internal combustion engine. An inte... | 10/21/2008 |
| 7434572 | Cylinder head of an internal combustion engine The invention relates to a cylinder head (1) of an internal combustion engine with a camshaft bearing mechanism (2) situated thereon in which a hollow camshaft (3) is rotatably mounted, forming an outlet for discharging blow-by gases laden with ... | 10/14/2008 |
| 7406960 | Oil mist removal device with oil fill An oil mist removal device, with oil fill, is provided for an internal combustion engine. A housing has first and second passages, and a separator therebetween. An oil fill port in the first passage is provided for adding oil to the engine. ... | 08/05/2008 |
| 7343885 | Crankcase ventilation system for internal combustion engine A crankcase ventilation system for a reciprocating internal combustion engine includes an exhaust outlet and a collector for gathering gases from the engine crankcase. An eductor is connected to the collector and to the exhaust outlet. The eductor includes a general... | 03/18/2008 |
| 7320316 | Closed crankcase ventilation system A closed crankcase ventilation system for an internal combustion engine is disclosed. A compressor is configured to compress air and enhance the venting of crankcase emissions from a crankcase of the engine. A flow path is provided between the crankcase and an intak... | 01/22/2008 |
| 7243642 | Breather device of engine A breather device comprises a breather chamber (22) provided in a valve arm chamber (2) arranged above a cylinder head of an engine. In the breather chamber, blow-by gas including oil mist is separated into oil component and gas component, and the oil ... | 07/17/2007 |
| 7204241 | Compressor stage separation system An exemplary separator for coupling to a compressor includes a separation region substantially defined by an outer wall, part of an inner wall and an intermediate wall and an open region substantially defined by the inner wall and the intermediate wall and adjacent ... | 04/17/2007 |
| 7185643 | Combined filter and fill tube An apparatus includes a housing (101), a fill tube (107) disposed within the housing (101), the fill tube (107) having a fluid inlet (125) at one end and a fluid outlet (127) at another end. The fluid outlet (127) is ... | 03/06/2007 |
| 7178488 | Device comprising at least one functional unit of a camshaft adjusting device In an arrangement comprising at least one operating unit of a camshaft adjusting device for an internal combustion engine, the operating unit and at least one ventilation unit of a ventilation device are combined in an assembly module. ... | 02/20/2007 |
| 7165541 | Protruding oil separation baffle holes A baffle plate for an internal combustion engine is used to separate air and oil as required for recirculation of crankcase gasses. The baffle plate includes oil holes with protrusions extending therefrom. The protrusions extend in a direction opposing the flow of a... | 01/23/2007 |
| 7163006 | Reciprocating piston internal combustion engines An internal combustion engine includes a cylinder block (2) defining a plurality of cylinders (5) reciprocably accommodating respective pistons (7), which are connected by respective connecting rods (9) to a common crankshaft (11),... | 01/16/2007 |
| 7159386 | Crankcase ventilation system A crankcase ventilation system may include a first exhaust flow path configured to permit flow of main exhaust gases from a combustion chamber of an internal combustion engine and a particulate trap disposed in the first exhaust flow path. The system may also includ... | 01/09/2007 |
| 7124752 | Deflector for limiting the ingress of liquid oil A system for limiting the ingress of oil into an induction feed pipe provided in the cylinder head cover of an internal combustion engine is disclosed. The system provides a cylinder head cover including a cylinder head cover outlet, a top plate spaced from the cyli... | 10/24/2006 |
| 7100587 | Device for the ventilation of the crankcase of an internal combustion engine The invention relates to a device (1), for the ventilation of the crankcase (20) of an internal combustion engine (2), with a breather tube (3), running from the crankcase (20) to an inlet manifold (22) on the internal combu... | 09/05/2006 |
| 7096847 | Oil separator for internal combustion engine An oil separator for an internal combustion engine includes a basket that houses a filter media for separating air from oil particles. A portion of the basket is disposed within a valve cover. A breather lid is fitted over the basket for sealing the filter media hou... | 08/29/2006 |
| 7096844 | Four-stroke engine lubricated by fuel mixture A four-stroke engine includes a piston cylinder, and a piston located in the cylinder and movable within the cylinder. The engine includes a crankcase attached to the cylinder, the piston providing a separation boundary of a combustion portion of the cylinder from t... | 08/29/2006 |
| 7080636 | Oil separating device for a combustion engine An oil separating device for an internal combustion engine connected in a flow path of blow-by gas, loaded with oil particles, from the crankcase to the inlet manifold section of the internal combustion engine and comprising an oil separator formed with at least one... | 07/25/2006 |
| 7077089 | Oil drainback system for internal combustion engine An internal combustion engine having an oil drainback passage and integral check valve. The oil drainback passage allows the flow of oil from the valve box to the crankcase of the engine during normal operation and prevents the backwards flow of oil from the crankca... | 07/18/2006 |
| 7059311 | Air/oil separating device An air/oil separating device for removing oil that has become entrained in blow-by gases passing through a crankcase of an internal combustion engine. The air/oil separating device includes a spiral element forming a spiral passageway and a perforated tube. As the a... | 06/13/2006 |
| 7047955 | Crankcase emission control device A crankcase emission control device of an internal combustion engine comprises a gas/liquid separator that separates an oil mist from blow-by gases flowing therethrough. A first passage is defined in both a crankcase and a cylinder head to connect an interior of the... | 05/23/2006 |
| 7040306 | Blowby gas ventilation system for an internal combustion engine, and method of using same A blowby gas ventilation system for an internal combustion engine capable of preventing oil from being diluted by efficiently and quickly exhausting a blowby gas together with a water content and the like from a crank chamber through forced ventilation of the crank ... | 05/09/2006 |
| 7007715 | Pressure release valve A shaft part is coaxially provided within a pressure release port provided in a sealing plate sealed to an opening portion of a case for a condenser or a battery, a valve body closely fitted and fixed within the pressure release port has a seal lip which is directed... | 03/07/2006 |
| 6945201 | Positive crankcase ventilation in an engine having a cyclically varying crankcase volume A method and apparatus providing positive crankcase ventilation, for the crankcase of an four-stroke engine having one or more reciprocating pistons exposed on a bottom side thereof to the crankcase, whereby the crankcase and bottom side of the one or more reciproca... | 09/20/2005 |
| 6941914 | Internal combustion engine A twin cylinder engine, includes a pair of cylinder members mounted to mounting surfaces of a crankcase, and cylinder heads mounted to the cylinder members. The cylinder members are modular components, which may be pre-assembled with components of the valve train as... | 09/13/2005 |
| 6904883 | Modular internal combustion engines A line of small internal combustion engines, including twin cylinder engines and single cylinder engines. The engines each include a crankcase, and one or more cylinder members attached to the crankcase, the cylinder members being separate components from the crankc... | 06/14/2005 |
| 6899091 | Breather apparatus of internal combustion engine A breather apparatus includes a first oil separation chamber disposed in a case and extending substantially in a vertical direction. The case constitutes a part of a vertical wall of an internal combustion engine, and blowby gas flows inside the case. A second oil s... | 05/31/2005 |
| 6827068 | Oil seal and drain structure for engine A lubrication and breather system for an engine that is generally adapted for use as either a vertically-oriented crankshaft-type engine or a horizontally-oriented crankshaft-type engine. The crankcase has first and second bearing bosses supporting first and second ... | 12/07/2004 |
| 6691687 | Crankcase blow-by filtration system A method and apparatus for the treatment of blow-by gas from a crankcase of an internal combustion engine. A particle and droplet filter removes at least some of any particles or droplets in the gaseous stream. The filtered gaseous stream is passed throug... | 02/17/2004 |
| 6684864 | Method for removing oil from crankcase ventilation gases and devices for implementing said method The invention relates to a method for de-oiling crankcase ventilation gases of an internal combustion engine wherein an oil separating element, like a cyclone has crankcase ventilation gases flowing therethrough, and the oil droplets contained therein are... | 02/03/2004 |
| 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 (Pamb) is located on the side of membrane (5) that is opposite the gas passage ... | 02/03/2004 |
| 6612275 | Mid cam engine A drive train for an overhead valve engine, including a cam gear driven by the crankshaft, the cam gear supported for rotation in the cylinder block externally of the cylinder head and having a cam lobe mounted thereon for actuating a pair of rocker arms ... | 09/02/2003 |
| 6527821 | Automatic condensed oil remover An automatic condensed oil remover for an intercooler of a diesel engine has a flow restrictor that is positioned between the intercooler and the diesel engine, an oil sump in the intercooler, and an oil tube carrying condensed oil from the oil sump to th... | 03/04/2003 |
