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| Number | Title | Issue Date |
| 8140245 | Engine with electronically controlled starting method A method of starting an engine is provided. A starter is initiated to impart a first engine speed to a crankshaft of the engine. Fuel injects at a first rate into at least one cylinder of the engine. Fuel in the at least one cylinder of the engine combusts to operat... | 03/20/2012 |
| 8122710 | Thermal management of urea dosing components in an engine exhaust after-treatment system Dosing components (22, 24, 32) in an engine exhaust after-treatment system (18) that includes an SCR catalyst (20) are thermally managed by flowing engine coolant through a coolant passage in a urea injector (22) that injects aqueous urea... | 02/28/2012 |
| 8070416 | Flow regulation mechanism for turbocharger compressor A turbocharger (10) for an internal combustion engine includes a compressor (12) having an impellor (16) disposed in a compressor chamber (18). The compressor chamber (18) receives fluid flow. A flow regulation mechanism (30... | 12/06/2011 |
| 8069828 | Intake valve closing hydraulic adjuster A mechanism (40) for enabling an engine cylinder valve (18) to close at various times during engine cycles has a hydraulic actuator (58) and a control valve (60) controlling the hydraulic actuator a) to constrain a pivot axis of a valve r... | 12/06/2011 |
| 8010276 | Intake manifold oxygen control A method for controlling intake manifold oxygen for an engine having a fresh air inlet and an exhaust gas recirculation (EGR) circuit includes the steps of: establishing an ideal excess oxygen ratio for combustion in the engine; calculating a total mass flow of oxyg... | 08/30/2011 |
| 8006661 | Bridge and pivot foot arrangement for operating engine cylinder valves An internal combustion engine has one or more engine cylinders (12) within which fuel is combusted and a pair of cylinder valves (14, 16) spring-biased (22, 24) closed but open in unison to place the respective cylinder in flow communication wit... | 08/30/2011 |
| 7975478 | Internal combustion engine having compressor with first and second tributary inlets An internal combustion engine (100) includes an intake manifold (106) and at least one exhaust manifold (108). A first compressor (120) that is operably associated with a first turbine (128) has a first air inlet (126) and a... | 07/12/2011 |
| 7958633 | Engine block casting and method of manufacture A block casting for an internal combustion engine and method of its manufacture provide reduced engine block size and weight, and/or increased engine displacement, through cylinder-forming walls that decrease in thickness from minimal explosion-resistant thicknesses... | 06/14/2011 |
| 7921877 | Spool valve and method A valve (200) for routing a fluid includes a housing (220) having an inlet (222) and at least one outlet port (224). A valve member (218) is located in the housing (220). The valve (218) member has a wall (232)... | 04/12/2011 |
| 7823557 | Compression ignition engine having fuel injection devices and processes for promoting cleaner burning lifted flame combustion A mixing and combustion process for a compression ignition engine (10) creates an in-cylinder compressed gas charge of air and recirculated exhaust that has a temperature high enough to initiate and sustain combustion of diesel fuel that is subsequently injec... | 11/02/2010 |
| 7810466 | Compound bracket system A compound bracket system (400) for an internal combustion engine (100) includes a first bracket (112) that is rigidly connected to a crankcase (102) of the internal combustion engine (100). The first bracket (112) forms at ... | 10/12/2010 |
| 7789060 | Cylinder head gasket for an internal combustion engine A gasket (122) includes a first plurality of cylinder openings (402) arranged to correspond, one each, to a corresponding first plurality of cylinder bores (106) formed in a crankcase (102) of an internal combustion engine (100). A... | 09/07/2010 |
| 7788923 | Constant EGR rate engine and method An internal combustion engine (100) includes a first exhaust manifold (120), and a second exhaust manifold (118) fluidly connected to the first exhaust manifold (120) through an exhaust valve (122). An exhaust gas recirculation (EG... | 09/07/2010 |
| 7748218 | System and method for achieving engine back-pressure set-point by selectively bypassing a stage of a two-stage turbocharger A control system for operating vanes of a turbocharger turbine (16T) and for operating a turbine-shunting bypass valve (22) according to a strategy wherein a processor executes an algorithm for selectively unenabling the control system to operate the b... | 07/06/2010 |
| 7742867 | Strategy for fueling a diesel engine by selective use of fueling maps to provide HCCI, HCCI+CD, and CD combustion modes A compression ignition engine (20) has a control system (26) for processing data, one or more combustion chambers (22), and fuel injectors (24) for injecting fuel into the chambers (22). The control system (26) controls fuel... | 06/22/2010 |
| 7740008 | Multiple height fluid mixer and method of use A mixer assembly (204, 603) for mixing intake air from an intake system (124) with exhaust gas from an exhaust gas recirculation system (134) to yield a mixture stream includes an intake air conduit (202, 700) having an inlet (206, 706... | 06/22/2010 |
| 7702449 | High pressure oil limit based on fuel level to protect fuel injectors A first fuel value (FL_Signal) indicative of the quantity of fuel presently in a fuel tank (34) and a second fuel value (FL_LOW_THLD) representing a quantity of fuel in the tank at which a maximum Injection Control Pressure (ICP) limit should be changed are p... | 04/20/2010 |
| 7698894 | Engine intake air compressor and method A compressor assembly (304) includes a compressor housing (312) having a main air inlet (324) and an annular wall (328) defining an inducer bore (325). A secondary inlet passage (322) is disposed around the inducer bore (... | 04/20/2010 |
| 7698888 | System and method for calculating loading of a diesel particulate filter by windowing inputs An algorithm (26) in an engine control system (14) develops data indicative of pressure across a DPF (20) as a function of time and data indicative of flow rate through the DPF as a function of time, calculates derivatives (32, 30) (38... | 04/20/2010 |
| 7681890 | Gasket A gasket (201) includes one or more elastomeric sections (301, 305, 307) disposed on a metal substrate (303). An elastomeric ring (307) has an inner diameter (309) that is smaller than an outer diameter of a fastener (205). ... | 03/23/2010 |
| 7546762 | Acute angle pressure sensor probe and method A sensor probe (116) includes a probe tip (205) having a probe centerline (207). A pressure tube (209) fluidly connects the probe tip (205) with a pressure sensor (115). A pipe (107) having a centerline (201) i... | 06/16/2009 |
| 7536992 | Engine speed controller having PI gains set by engine speed and engine speed error A PI control strategy controls engine speed to an engine speed set-point. A proportional map (36) is populated with data values to be used in calculating the P component of the strategy. An integral map (38) is populated with data values to be used in ... | 05/26/2009 |
| 7533519 | Three sensor comparison rationality test Testing of temperature sensors (28, 30, 32) in an emission control system, such as in an exhaust system (10) of a diesel engine, serves to condition further component and/or system testing by determining that sufficient sensor cooling has occurred and ... | 05/19/2009 |
| 7530220 | Control strategy for reducing fuel consumption penalty due to NOx adsorber regeneration A method for enabling initiation of regeneration of a NOx adsorber catalyst. While the engine is operating to propel the vehicle, data indicative of NOx adsorption efficiency of the NOx adsorber catalyst, data indicative of temperature of exhaust gas passing through... | 05/12/2009 |
| 7509935 | Engine cover and method An engine cover (400), such as a valve cover (700) or an oil pan (400), includes a skeleton structure (402) that may have a plurality of ribs (406) and at least one opening. At least one panel (404) is configured to fit in t... | 03/31/2009 |
| 7509890 | Non-homogeneous engine component formed by powder metallurgy A crankshaft has a non-homogenous structure is unitarily formed in a powder metallurgy process with at least two different metallic constituents providing dissimilar characteristics at discrete locations of the structure. ... | 03/31/2009 |
| 7484503 | System and method for diesel particulate filter regeneration A method for regenerating a diesel particulate filter (20) in the exhaust system (16) of an engine (12). When a request to regenerate the device is issued, a control system (14) operates the engine to begin conditioning exhaust. The condi... | 02/03/2009 |
| 7476090 | Vented turbocharger center housing and method A turbocharger (300) for an internal combustion engine (500) includes a center housing (304) connected to a turbine housing (302) and a compressor housing (306). A shaft (318) is in a bore (314) of the center housing ... | 01/13/2009 |
| 7475663 | Internal combustion engine and an engine housing The invention relates to an internal combustion engine (1) comprising a housing (2) having at least one opening (4) into its inside, which is preferably the engine-oil feed inlet, and with a camshaft (5), mounted inside the housing for ro... | 01/13/2009 |
| 7461627 | Hybrid combustion in a diesel engine A compression ignition engine (10) has a control system (40), one or more combustion chambers (12), and fuel injectors (42, 44) for injecting fuel into the combustion chambers. The control system controls fueling using a result of the pro... | 12/09/2008 |
| 7448212 | Engine bleed air passage and method An internal combustion engine (100) includes a turbocharger having a turbine (108) and a compressor (118) with an air inlet (120) and a charge air outlet (119). An electronic actuator (200) has an internal cavity (226... | 11/11/2008 |
| 7433776 | System and method for quantizing fuel dilution of engine motor due to post-injection fueling to regenerate an exhaust aftertreatment device A system and method for estimating the effect of forced regeneration of a diesel particulate filter (22) by post-injection of fuel on fuel dilution of engine motor oil. ... | 10/07/2008 |
| 7419189 | Hydraulic fitting A high pressure hydraulic fitting (300) includes a body (302) having a central passage (322), a channel (304), a threaded section (314), and an extension section (310), wherein the threaded section (314) is disposed b... | 09/02/2008 |
| 7415960 | Engine fluid passage intersection and method A fluid passage intersection (314) within a component (100) includes a supply passage (118) formed in the component (100), a cavity (316) in fluid communication with the supply passage (118), and at least one outlet passage ... | 08/26/2008 |
| 7415825 | Variable geometry turbocharger control method and apparatus A method of controlling a variable geometry turbocharger (502) includes the steps of determining an engine start of operation (402), initiating a timer (408), and commanding an open position (412) for the vanes of the variable geometry tu... | 08/26/2008 |
| 7392835 | Jacket and slab core fastening apparatus A water-jacket core and slab core for a V-block of an internal combustion engine are assembled into a jacket and slab sub-assembly and are placed on an apparatus for the automatic insertion of staples in the jacket and slab sub-assembly to thereby retain the water-j... | 07/01/2008 |
| 7380445 | Turbocharger performance qualification method and apparatus A method for qualifying turbocharger performance includes the step of operating a turbocharger at a single test condition (402). A set of data may be acquired from a set of operating parameters of the turbocharger (404) operating at the test condition.... | 06/03/2008 |
| 7373907 | Valve lifter guide A valve lifter guide (100, 900, 1100) includes at least one conduit (101, 901, 1101). The conduit (101, 901, 1101) has a first inwardly-curved surface (103) opposed to a second inwardly-curved surface (105) such that the conduit is... | 05/20/2008 |
| 7363761 | Exhaust gas throttle for divided turbine housing turbocharger A turbocharger (107) for an internal combustion engine (100) includes a turbine having a divided turbine housing (109). A first inlet port (113) may be connected to a first volute that is formed in the turbine housing (109), and a ... | 04/29/2008 |
| 7353793 | Hold down plate for securing a component A hold-down plate (500) for securing a first component (104) to a second component (400) having a seal (416) disposed between the first component (104) and the second component (400), includes a support member (502) h... | 04/08/2008 |
