Assignee: Perkins Engines Company Limited

Location: Peterborough, GB
No. of patents: 49

Number	Title	Issue Date
8103425	Simulation-based control for HCCI power systems A method of controlling an HCCI engine-based power system may include receiving performance information relating to a desired operating state for the HCCI engine-based power system, evaluating operational information associated with a current operating state of the ...	01/24/2012
8100144	Mounting arrangement for a rotary valve A mounting arrangement for mounting at least one rotary valve to a drive shaft is provided, where the drive shaft includes at least one mounting hole at a predetermined position therein. The mounting arrangement may include at least one rotary valve having a curved ...	01/24/2012
8100102	Cylinder head for an internal combustion engine A cylinder head for an internal combustion engine is provided. The cylinder head includes a valve chamber shaped to accommodate at least two rotary valves therein. The cylinder head also includes at least two first passages extending between the valve chamber and an...	01/24/2012
7966811	Exhaust treatment system having a diverter valve An exhaust treatment system is provided having a tank configured to store a supply of reductant. The system also has a heat source configured to heat the reductant and a diverter valve configured to regulate the heat source. ...	06/28/2011
7926461	System for controlling fluid flow A system for controlling fluid flow to or from a cylinder of an internal combustion engine is disclosed. The system includes a drive shaft having a rotary valve mounted thereon. The system also includes a cylinder head a cylinder head accommodating the rotary valve ...	04/19/2011
7886528	System for controlling exhaust aftertreatment In one aspect, the present disclosure is directed to a method for treating exhaust from an engine. The method may comprise generating a first signal indicative of an engine load and generating a second signal indicative of a pollutant level. The method may further c...	02/15/2011
7878166	Device and method for retaining a valve bridge A device for retaining a valve bridge is disclosed. The valve bridge is engaged with a plurality of valves. The device has a first base member. The first base member is configured to engage at least one of the plurality of valves. The device also has a first latchin...	02/01/2011
7878052	High pressure cavitation system The present disclosure is directed towards a clamping assembly for compressing a plurality of optical plates of a high pressure cavitation system. The clamping assembly may include a mounting frame and a housing coupled to the mounting frame. The clamping assembly m...	02/01/2011
7805932	Flow assembly for an exhaust system A flow assembly has a hollow housing including a lumen extending from a proximal aperture to a distal aperture. The flow assembly can have a first set of blades including at least one first blade disposed within the lumen, wherein the at least one first blade extend...	10/05/2010
7805931	Self-sustaining oxy-exothermal filter regeneration system An exhaust-treatment system is provided having an oxidation catalyst configured to heat exhaust gas flowing through the oxidation catalyst. The system also has a particulate filter configured to receive the heated exhaust gas, and a recirculation loop configured to ...	10/05/2010
7798129	Shot mode transition method for fuel injection system A fuel injection system for a combustion engine is disclosed. The fuel injection system may have a fuel injector configured to inject fuel in one of a first shot mode and a second shot mode. Additionally, the fuel injection system may have a sensor configured to sen...	09/21/2010
7769532	Method for operating fuel injection system A machine is disclosed. The machine may have an engine having a combustion chamber. The machine may also have a first sensor configured to generate a first signal indicative of a speed of the combustion engine. Additionally, the machine may have a second sensor conf...	08/03/2010
7721718	System for controlling an air to fuel ratio A method of controlling an air to fuel ratio of an internal combustion engine may include receiving a request for a modification of a first flow of fuel to at least one combustion chamber, modifying the first flow of fuel in response to the request, receiving a firs...	05/25/2010
7721689	System and method for controlling fluid flow to or from a cylinder of an internal combustion engine A system for controlling fluid flow to or from at least one cylinder of an internal combustion engine is disclosed. The system includes a rotary valve. A cylinder head having a valve chamber accommodates the rotary valve. The rotary valve is arranged to selectively ...	05/25/2010
7689334	Engine diagnostic method A method is provided for diagnosing an engine system. The method may include receiving a request for diagnosing an engine system, delivering a diagnostic module to the requester from a location remote from the engine system, and having the diagnostic module coupled ...	03/30/2010
7640919	Fuel system for protecting a fuel filter A fuel system is disclosed. The fuel system has a first pump supplying fuel at a first pressure. The fuel system also has a fuel filter fluidly connected downstream of the first pump. The fuel system further has a second pump receiving fuel at a second pressure and ...	01/05/2010
7591240	Method for providing a mixture of air and exhaust A method for providing a mixture of inlet air and exhaust gas in a cylinder of an internal combustion engine is disclosed. Fluid flow between the cylinder and a cylinder head associated therewith is controlled by at least one rotary valve accommodated in the cylinde...	09/22/2009
7506624	Variable engine valve actuation system A valve actuation system for a power system is provided. The valve actuation system has an engine valve moveable to selectively prevent or allow a flow of fluid relative to the engine valve. The valve actuation system also has a cam assembly with a first cam lobe an...	03/24/2009
7500475	Engine and method for operating an engine A method of operating an engine is provided. The engine may include a housing having a combustion chamber, a piston disposed adjacent the combustion chamber, a crankshaft connected to the piston, an intake valve associated with the combustion chamber, and an exhaust...	03/10/2009
7409939	Cylinder head having an integrally cast rocker shaft pedestal Use of rocker shaft pedestals that are manufactured separately from the cylinder head and subsequently fixed to the cylinder head increases manufacturing and assembly costs of an internal combustion engine. The disclosed cylinder head obviates these problems by prov...	08/12/2008
7331190	Liquid/coolant system including boiling sensor Coolant systems, for power sources (e.g. internal combustion engines, fuel cells, and nuclear reactors) or microprocessors for example, are beneficially operated with coolant in a nucleate boiling state, but transitions to damaging film boiling are then possible. Th...	02/19/2008
7232400	Two speed transmission The present invention provides a final drive for a vehicle including a compound gear set comprising an input, an output and first and second epicyclic gear sets, each epicyclic gear set comprising a sun gear, at least one planet gear, a planet carrier and a ring gea...	06/19/2007
7150273	Exhaust manifold arrangement A passageway is provided between branches of a multi-branch exhaust manifold to reduce the amount of backflow (iEGR) into the cylinders at low engine speeds. The passage is located upstream of the turbocharger and can be at the part of the manifold where the branche...	12/19/2006
7144448	Autoselective regenerating particulate filter An apparatus for removing particulates from a gas stream is described comprising a filter through which gas may be caused to flow, at least one first electrode for producing an atmospheric glow discharge located near to but spaced apart from the filter, and at least...	12/05/2006
7128039	Engine air induction arrangement and method Chaotic air flow structures in internal combustion engine manifolds may lead to poor combustion performance and hence undesirable emissions such as visible smoke. Manifolds with flow characteristics compromised by other design requirements are especially prone to th...	10/31/2006
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
7114230	Method and apparatus for automatically setting rocker arm clearances in an internal combustion engine A method for automatically setting valve clearances in internal combustion engines (also known as “tappet setting” or “valve lash setting”) comprises a series of steps in which a rocker arm is set to a zero position that is recorded as a reference datum and ...	10/03/2006
7070526	Accessory drive for driving a balance shaft An engine accessory drive that has a primary drive driveable by a crankshaft of the engine is disclosed. The accessory drive includes a rotational member mounted on a drive shaft and driveable by the primary drive, the drive shaft having an axis of rotation offset f...	07/04/2006
7055510	Internal combustion engine having an internal barrier device to reduce oil carry-over To prevent seal failure in internal combustion engines, blow-by gasses leaking past the piston rings require venting. However, moving engine components cause airborne oil particles to be mixed in with the gasses. Depending on breather system and engine type, oil car...	06/06/2006
6964261	Adaptive fuel injector trimming during a zero fuel condition Apparatuses and methods for controlling a fuel injector. A fuel shot is injected during a zero fuel condition. A rail pressure drop corresponding to the fuel shot is determined. A change in engine speed corresponding to the fuel shot is determined. An adjustment to ...	11/15/2005
6899064	Cylinder block for an internal combustion engine having a tapered coolant jacket A cylinder block has a number of cylinder bores and a water jacket at least partially surrounding the bores. When casting a cylinder block the water jacket is formed by a slender wall of a sand core. To enable the wall to be removed from the core box the wall must t...	05/31/2005
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. Both the shut off valve and pipework are prone to damage and leaking...	05/10/2005
6886522	Cylinder block and method of fabrication thereof A method for fabricating a cylinder block for an internal combustion engine and a cylinder block manufactured in accordance with the method are described in which a cylinder core (1) including one or more cylinder (6) is manufactured by casting, for ex...	05/03/2005
6883399	Variable inertia flywheel Variable inertia flywheels are used in power generation apparatus to quickly release stored kinetic energy to meet transient power load demands. Such flywheels typically vary inertia by using either interconnected multiple flywheels having different inertia or by me...	04/26/2005
6840208	Drive for one or more engine accessories Engine accessory drives are used with internal combustion engines to drive one or more accessories and are conventionally driven off a front end drive assembly. However, driving the accessories off the front end drive assembly has implications in respect of both inc...	01/11/2005
6834634	Cylinder block with a component mounting apron A cylinder block assembly for an engine comprises a cylinder block having a sidewall provided with apron attachment points and an apron mountable on the sidewall. The apron is adapted to receive engine components and comprises a tray-like cover which is dimensioned ...	12/28/2004
6672272	Cylinder head cover assembly having electrical connection Modern internal combustion engines require the provision of an electrical connection to electrically controlled devices disposed within a cylinder head cover. Prior mechanisms for providing such electrical connections have been complex and awkward to asse...	01/06/2004
6675115	Method and apparatus for automatically setting rocker arm clearances in an internal combustion engine A method for automatically setting valve clearances in internal combustion engines (also known as "tappet setting" or "valve lash setting") comprises a series of steps in which a rocker arm is set to a zero position that is recorded as a reference datum a...	01/06/2004
6660068	Autoselective regenerating particulate filter An apparatus for removing particulates from a gas stream is described comprising a filter (1) through which gas may be caused to flow, at least one first electrode (15) for producing an atmospheric glow discharge located near to but spaced apart from the ...	12/09/2003
6549146	Timing apparatus having a gear incorporating a timing ring and method of manufacturing the same A timing apparatus comprises a gear, for example a camshaft gear, and a timing ring secured to one side of the gear. The timing ring has a number of equally spaced timing teeth which when used with a sensor provide information about the rotation of the ge...	04/15/2003

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Assignee: Perkins Engines Company Limited