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| Number | Title | Issue Date |
| 8156730 | Engine performance management during a diesel particulate filter regeneration event Various embodiments of an apparatus, system, and method are disclosed for managing regeneration event characteristics. For example, according to one embodiment, an apparatus for controlling the temperature of the output exhaust of an internal combustion engine for a... | 04/17/2012 |
| 8154251 | System and method for controlling vehicle idling and maintaining vehicle electrical system integrity A battery charge maintenance system for a vehicle is provided. ... | 04/10/2012 |
| 8122859 | Nylon body located piston cooling nozzle A piston cooling nozzle including a nylon body having a hub and a pair of integral legs extending from the hub and a tube for delivering coolant to a piston. The pair of legs are formed relative to the hub and the tube to ensure that when the body is mounted to an e... | 02/28/2012 |
| 8061127 | Thermal management of diesel particulate filter regeneration events Various embodiments of an apparatus, system, and method are disclosed for managing regeneration event characteristics. For example, according to one embodiment, an apparatus for controlling the temperature of the outlet exhaust of an internal combustion engine for a... | 11/22/2011 |
| 8061124 | Dynamic rich time capability for aftertreatment systems One embodiment is a method including providing an exhaust aftertreatment system including an adsorber, commanding rich operation wherein the adsorber is provided with increased reductant, and ending rich operation upon the first of a commanded rich operation thresho... | 11/22/2011 |
| 8036816 | Totally integrated temperature sensor An idle control system for a vehicle is provided. ... | 10/11/2011 |
| 7997076 | Rankine cycle load limiting through use of a recuperator bypass A system for converting heat from an engine into work includes a boiler coupled to a heat source for transferring heat to a working fluid, a turbine that transforms the heat into work, a condenser that transforms the working fluid into liquid, a recuperator with one... | 08/16/2011 |
| 7950222 | System and method for cleaning combustion soot from exhaust gas treatment sensors A system and method are provided for cleaning combustion soot from an exhaust gas aftertreatment sensor. The system and method determine whether to conduct a sensor desoot event, and if it is determined that a sensor desoot event is to be conducted, the exhaust gas ... | 05/31/2011 |
| 7946161 | Apparatus, system, and method for estimating particulate production An apparatus, system, and method are disclosed for estimating particulate production from a diesel engine. Engine conditions such as fuel rate, exhaust gas recirculation, and fuel injection timing are determined. Based on empirical evidence or theoretical calculatio... | 05/24/2011 |
| 7945372 | System and method for adjusting fuel injector on-times A fuel system has a fuel rail containing pressured fuel coupled to a plurality of fuel injectors. The system is operable in one embodiment to adjust fuel injector on-times by selecting one of the fuel injectors, determining a critical on-time for the selected inject... | 05/17/2011 |
| 7849681 | Apparatus, system, and method for engine-generated heat utilization in a NO-adsorber aftertreatment system An apparatus, system, and method are disclosed for utilizing engine-generated heat in a NOx-adsorber system. The apparatus may comprise a combustion device generating a heated exhaust stream. The apparatus may include a catalytic component that initiates ... | 12/14/2010 |
| 7770564 | Diffuser plate for improved mixing of EGR gas An apparatus configured for the mixing of two fluids traveling in substantially perpendicular directions. The apparatus includes a cylindrical member including a longitudinal conduit. The member also includes at least one diffusing plate. The diffusing plate include... | 08/10/2010 |
| 7707826 | System for controlling triggering of adsorber regeneration A system, method, and software for triggering regeneration of an adsorber connected with a flow of exhaust from an engine. An exhaust sulfur flow rate module estimates a sulfur accumulation rate associated with an adsorber as a function of a flow of fuel. A sulfur r... | 05/04/2010 |
| 7703431 | Connecting rod apparatus and method An improved two-piece connecting rod (800) that connects a reciprocating piston with a crankshaft in an internal combustion engine. The connecting rod (800) has a shank portion (810, 860), a cap portion (820, 870) and projections (830,... | 04/27/2010 |
| 7654079 | Diesel oxidation catalyst filter heating system A system, method, and software that rapidly heats a diesel oxidation catalyst unit to an effective operating temperature at engine startup is disclosed. Upon ignition of an engine an electronic control unit is operable to lower a fresh air flow target value to a red... | 02/02/2010 |
| 7654076 | System for controlling absorber regeneration A system, method, and software for controlling regeneration and desulfurization of a NOx adsorber is disclosed. An electronic control unit is connected with an engine for selectively controlling operation of the engine between a rich operating mode and a ... | 02/02/2010 |
| 7594392 | System for controlling adsorber regeneration A system, method, and software for regenerating an adsorber connected with a flow of exhaust from an engine. An open-loop control module for ramping up and maintaining a temperature value of an adsorber to a regeneration temperature value by controlling an air fuel ... | 09/29/2009 |
| 7571640 | Misfire detection in engines for on-board-diagnostics Detection of cylinder misfires in engines. In one aspect of the invention, a method for detecting a cylinder misfire in an engine includes monitoring a temperature in the exhaust of the engine. Vibration of the engine is analyzed to identify a misfiring cylinder in ... | 08/11/2009 |
| 7562524 | Apparatus, system, and method for estimating particulate consumption An apparatus, system, and method are disclosed for robustly estimating soot oxidation rates on a particulate filter. The invention uses empirically measured soot consumption rates as defined boundary rates, and operates between those rates using theoretical relation... | 07/21/2009 |
| 7558665 | System for determining critical on-times for fuel injectors A fuel system has a source of fuel coupled to a plurality of fuel injectors via a fuel rail. The system is operable to determining a critical on-time for a selected one of the injectors by disabling fuel flow from the source of fuel to the fuel rail, periodically sa... | 07/07/2009 |
| 7543446 | System for controlling regeneration of exhaust gas aftertreatment components A system and method are provided for controlling regeneration of exhaust gas aftertreatment components coupled to an internal combustion engine. For example, the particulate load of a particulate filter is monitored and a road speed of the vehicle is determined. If ... | 06/09/2009 |
| 7533523 | Optimized desulfation trigger control for an adsorber A system, method, and software for triggering regeneration of an adsorber connected with a flow of exhaust from an engine. A sulfur loading estimate module is used to generate an estimated sulfur loading value associated with an adsorber. A desulfation trigger modul... | 05/19/2009 |
| 7513106 | Method for hydrocarbon injection into an exhaust system, upstream of a turbocharger, while minimizing exposure of the exhaust gas recirculation system to the same hydrocarbons The present invention generally relates to engines, and, more particularly, to an exhaust system for reducing buildup in an exhaust gas recirculation system when mixing hydrocarbons with exhaust. ... | 04/07/2009 |
| 7487765 | Intake air heater and air delivery assembly for engines A unitized intake air delivery assembly is provided which minimizes the size of an engine by integrating the intake manifold and intake air heater within the cylinder head of the engine. In addition, an intake air heater is provided which can be easily mounted on ex... | 02/10/2009 |
| 7487757 | Engine tuned for hybrid electric and continuously variable transmission applications An engine tuned for use with a hybrid engine or CVT has a relatively narrow torque curve that is roughly centered at the engine's rated speed, with less than 50% of the maximum torque provided throughout 80% of the range of engine speeds. The relatively narrow torqu... | 02/10/2009 |
| 7472337 | Method and system for detecting faults in an electronic engine control module An algorithm for detecting a fault in an ECM output signal by determining a status of the output signal, incrementing an error timer and a retry timer when the status is abnormal, incrementing a retry counter when the retry timer reaches a maximum retry time, and re... | 12/30/2008 |
| 7409274 | Apparatus, system, and method for improving engine development An apparatus, system, and method are disclosed for improving engine development. Engine development is improved by equipping a vehicle with a data logger to collect engine performance data, automatically retrieving the data via a secure local wireless network, uploa... | 08/05/2008 |
| 7389771 | Closed loop EGR control method and system using water content measurement The present invention provides an internal combustion engine system that includes an internal combustion engine system includes an internal combustion engine having an intake manifold fluidly coupled to a compressor adapted to receive ambient air through an air cond... | 06/24/2008 |
| 7380324 | Gear puller jaw Apparatus and methods for removing a gear from a shaft. In one embodiment, the invention includes a slotted gear puller which engages the web of a gear and can be used to pull the gear from the shaft based on engagement of the gear puller with the gear in the area o... | 06/03/2008 |
| 7353806 | Fuel injector with pressure balancing valve A fuel injector device, for injecting fuel into a combustion chamber of an internal combustion engine, has a nozzle valve and nozzle valve control assembly adapted to use a control valve and high pressure fuel in the fuel injector in order to actuate movement of the... | 04/08/2008 |
| 7343735 | Apparatus and method for regenerating an exhaust gas aftertreatment component of an internal combustion engine A system is provided for regenerating an exhaust gas aftertreatment component of an internal combustion engine. The system is operable to determine an output torque of the engine, and to supply a single quantity of fuel to the engine after combustion of a main quant... | 03/18/2008 |
| 7341414 | Fastener and method for reducing stress failure in an engine component A fastener and a method for reducing stress failure in a fastening joint of an internal combustion engine component are provided. The threaded fastener may be a bolt or a stud secured to an engine block. The fastener has a threaded tip portion with a radius and a di... | 03/11/2008 |
| 7334741 | Fuel injector with injection rate control A closed nozzle fuel injector is provided which effectively controls the fuel injection flow rate, especially during an initial portion of an injection event, while also permitting accurate control over pilot and/or post injection flow rates at all operating conditi... | 02/26/2008 |
| 7328688 | Fluid pumping apparatus, system, and method A fluid pumping apparatus, system, and method are disclosed in which an apparatus according to one embodiment of the invention comprises a housing, an inlet through which the fluid enters the housing, an outlet through which the fluid leaves the housing, a valve com... | 02/12/2008 |
| 7311087 | Fuel pump with a guided tappet assembly and methods for guiding and assembly A fuel pump for an internal combustion engine including a fuel pump housing, a cylindrical bore having a central axis and being defined by a bore wall surface, a receiving hole formed in the housing, and a tappet assembly received in the cylinder bore. The tappet as... | 12/25/2007 |
| 7302940 | Variable reluctance position sensor A position sensor is disclosed having a transducer formed by a Hall-effect device and permanent magnet secured within a housing on either side of a low permeability gap. A target secured to an active member, such as an EGR valve plunger moves within the gap. The tar... | 12/04/2007 |
| 7278400 | Juncture for a high pressure fuel system A juncture and method for changing direction of fuel flow in a high pressure fuel injection system such as a common rail and/or a fuel pump, the juncture comprising a body, a first passage formed in the body having a first diameter and a longitudinal axis extending ... | 10/09/2007 |
| 7263824 | Exhaust gas aftertreatment device for an internal combustion engine An exhaust gas aftertreatment device for an internal combustion engine comprises an inlet configured to receive the exhaust gas, an outlet from which the exhaust gas exits the device, a first passageway defined between the inlet and the outlet, and a second passagew... | 09/04/2007 |
| 7263823 | System for measuring NOx content of exhaust gas A system for measuring NOx content of an exhaust gas produced includes at least one controllable valve operable to direct exhaust gas to a NOx sensor only when measurement of the NOx content is desired and to otherwise expose the NOx sensor to ambient air. A control... | 09/04/2007 |
| 7263825 | Apparatus, system, and method for detecting and labeling a filter regeneration event An apparatus, system, and method are disclosed for detecting and evaluating a filter regeneration event. The apparatus, in one embodiment, is configured to determine whether an oxidation rate of soot accumulated on a particulate filter has attained a level sufficien... | 09/04/2007 |
