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| Number | Title | Issue Date |
| 7926464 | Power source braking system to prevent engine stalls A system to prevent engine stalls for a machine having a power source is disclosed. The power source is in communication with a controller, which is configured to determine the temperature of the power source and compare the temperature of the power source to a pred... | 04/19/2011 |
| 7900596 | Method and device for operating an internal combustion engine A method and a device for operating an internal combustion engine are provided which make it possible to implement different deceleration requests to the internal combustion engine by switching over between half engine operation and full engine operation. A decelera... | 03/08/2011 |
| 7571709 | Method for stopping and starting an internal combustion engine having a variable event valvetrain A method for controlling stopping and starting of an engine having a variable event valvetrain is described. According to the method engine valves may be used to reduce engine evaporative emissions as well as engine starting emissions. Since the engine config... | 08/11/2009 |
| 7415948 | Internal combustion engine and method Internal combustion engine and method with compression and expansion chambers of variable volume, a combustion chamber, a variable intake valve for controlling air intake to the compression chamber, a variable outlet valve for controlling communication between the c... | 08/26/2008 |
| 7412963 | Internal combustion engine including a gas pressure container assigned to the cylinders, and method for operating the engine In an internal combustion engine having cylinders connected by means of controllable brake valves to a common gas pressure container which is in communication, by way of an outflow line with an outflow valve, with the exhaust strand of the internal combustion engine... | 08/19/2008 |
| 7353795 | Method for cylinder diagnostic test in an internal combustion engine In a multi-cylinder piston engine, a diagnostic method of determining if there is low compression in a cylinder (5) by using a split engine brake (18) and turning the engine brake on during one cycle and the engine brake off during another cycle and me... | 04/08/2008 |
| 7317984 | Engine shut-down for engine having adjustable valve timing A method for operating at least an intake and exhaust valve in a cylinder with a piston of an engine in a vehicle, comprising during conditions of an engine shut-down, maintaining at least one of the intake and exhaust valves in a closed position, and during conditi... | 01/08/2008 |
| 7305295 | Throttle limiting for an internal combustion engine A throttle limit control for an internal combustion engine throttle control is disclosed. Rate limiting is applied to prevent excessive rates of change in throttle actuation. Throttle pedal authority is continually maintained and throttle headroom is not compromised... | 12/04/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7270116 | Method for diagnosing variable intake system An internal combustion engine comprises an engine controller (ECU) governing fuel supply to the combustion engine by a fuelling map, which adapts the amount of fuel supplied to the engine responsive to engine speed, engine load and a volumetric efficiency of the eng... | 09/18/2007 |
| 7178491 | Control system and method for engine valve actuator A system and method for controlling a variable valve actuation system for an engine is provided. An engine valve is moved between a first position where the engine valve blocks a flow of fluid and a second position where the engine valve allows a flow of fluid. Flui... | 02/20/2007 |
| 7163208 | Hydropneumatic suspension system for vehicles A hydropneumatic suspension system for a vehicle with a level control, in particular for the front axle of a tractor, includes a first 2/2 directional control valve having a regulating-up function communicating with the pressurized oil pump and a second 2/2 directio... | 01/16/2007 |
| 7111699 | Engine governor system A governor system for limiting the ground speed of a vehicle and maintaining an idle speed of the engine. The governor system includes a first feedback shaft operably coupled with a transmission of the vehicle to provide a first feedback torque in response to a grou... | 09/26/2006 |
| 7100552 | Control system and method for variable valve actuation system A method of controlling a variable valve actuation system is provided. A cam assembly is operated to move an intake valve between a first position where the intake valve blocks a flow of fluid and a second position where the intake valve allows a flow of fluid. At l... | 09/05/2006 |
| 7077632 | Blower having a blower tube incorporating a reduction device for reducing the clear flow cross section of said blower tube at idle operation A blower (1) has a housing (10) to which a blower pipe (2) may be removably connected. An internal combustion engine located within the housing (10) drives a blower wheel. The blower wheel, in turn, generates an air flow (11) withi... | 07/18/2006 |
| 7077082 | System and method for monitoring engine valve actuation An engine valve actuation system is provided. An intake valve is moveable between a first position where the intake valve prevents a flow of fluid relative to the intake valve and a second position where the intake valve allows a flow of fluid relative to the intake... | 07/18/2006 |
| 7073484 | Internal combustion engine control apparatus An engine control apparatus includes: an operation state determining unit determining whether the engine is in the running or the idle-state from a various sensor's signal; an engine revolution speed detecting unit detecting the revolution speed of the engine from a... | 07/11/2006 |
| 7069888 | System and method for valve actuation The present invention is directed to a system and method for actuating an engine valve. In one embodiment, the present invention is a system for providing exhaust gas recirculation (EGR) in an engine having at least one engine valve, the system comprising: means for... | 07/04/2006 |
| 7046133 | Brake light circuit for engine retarder A brake warning apparatus for a vehicle having a motor brake retarder system for warning a trailing vehicle the motor brake retarder system is activated and the vehicle is decelerating. The motor brake retarder system having a plurality of retarders disposed on resp... | 05/16/2006 |
| 7011298 | Intake device An intake device having an intake channel that includes an intake channel section is provided. A butterfly valve is pivotably mounted in the intake channel section. A dividing wall is disposed downstream of the butterfly valve and divides the intake channel section ... | 03/14/2006 |
| 7004124 | Valve strategy for operating a controlled auto-ignition four-stroke internal combustion engine Low load operating point for a controlled auto-ignition four-stroke internal combustion engine is reduced without compromising combustion stability through a valve control operative to establish sub-atmospheric pressure conditions within the combustion chamber into ... | 02/28/2006 |
| 7000587 | System for changing a selected engine function based on sensed weather conditions A system for modifying or disabling a selected engine function in response to a determination based upon a precipitation sensor input that precipitation is present. The system also may include an ambient temperature sensor that determines whether the ambient tempera... | 02/21/2006 |
| 6996467 | System and process for detection of weak or non-functioning cylinders in engines A system for detecting conditions indicative of substandard performance of cylinders in an internal combustion engine includes an engine control unit disposed in operable communication with the engine and a computer disposed in informational communication with the e... | 02/07/2006 |
| 6986335 | Method for operating an internal combustion engine A method for operating an internal combustion engine (10) installed in a motor vehicle having controlled intake and exhaust valves and that is coupled in fixed fashion with an electrical machine (16) charging an electrical energy accumulator, in partic... | 01/17/2006 |
| 6973923 | Dynamic fuel injection control pressure set-point limits An internal combustion engine fuel system applies injection control pressure to fuel injectors (26) to force fuel into combustion chambers (28). A processor of a control system (22) develops data values for injection control pressure set-point (... | 12/13/2005 |
| 6971366 | Integral lash adjustor for hydraulic compression engine brake Engine compression release brakes include some degree of lash between the brake actuation portion and the engine exhaust valve portion. The disclosed apparatus and method provides an integral lash adjuster that includes an adjusting screw that is threadably received... | 12/06/2005 |
| 6969341 | Engine deceleration control system An engine deceleration control system for an internal combustion engine of a vehicle is arranged to prohibit correcting an air quantity supplied to the engine when an elapsed time period from a moment of turning off of an accelerator of the engine is within a first ... | 11/29/2005 |
| 6968828 | Post-retard fuel limiting strategy for an engine An engine (10) having a control system (24) that executes a control strategy (44) for limiting engine fueling upon deactivation of an engine retarder. Upon deactivation of the retarder, the strategy immediately shuts off fueling by setting the m... | 11/29/2005 |
| 6928969 | System and method for controlling engine operation A method of controlling an engine is provided. At least one operating parameter of the engine is sensed. The engine is operated in a first mode in response to the sensed operating parameter being at one of a predetermined first set of conditions. In the first mode, ... | 08/16/2005 |
| 6925976 | Modal variable valve actuation system for internal combustion engine and method for operating the same A variable valve actuation system for providing discrete exhaust and intake valve lift profiles for various operating modes of an internal combustion engine. The variable valve actuation system includes exhaust and intake rocker assemblies, exhaust and intake hydrau... | 08/09/2005 |
| 6907860 | Control apparatus and control method for vehicle-mounted internal combustion engine A vehicle-mounted internal combustion engine has a variable lift mechanism for varying the valve lift of an intake valve. During deceleration of the vehicle, an ECU performs fuel cutoff control for temporarily stopping supply of fuel to the engine. During the fuel c... | 06/21/2005 |
| 6904892 | Compression release brake system A compression release brake system 10 includes a hydraulic apparatus 12 for controllably opening at least one exhaust valve 14 of at least one cylinder 16 of an engine in response to motion of a cam actuator 12. The system 10 | 06/14/2005 |
| 6863047 | Method of controlling engine speed during performance shift A method and system of automatically controlling engine speed of a vehicle in a turn employs an engine control system (10) to determine an optimal engine speed for the turn and an actual engine speed as sensed by an engine speed sensor (38). Engine con... | 03/08/2005 |
| 6807938 | Post-retard fuel limiting strategy for an engine An engine (10) having a control system (24) that executes a control strategy (44) for limiting engine fueling upon deactivation of an engine retarder. Upon deactivation of the retarder, the strategy immediately shuts off fueling by setting the m... | 10/26/2004 |
| 6807929 | Engine valve actuation system and method An engine valve actuation system is provided. The system includes an engine valve moveable between a closed position and an open position. A spring is operatively connected to the engine valve to bias the engine valve towards the closed position. An actuator is oper... | 10/26/2004 |
| 6799113 | Method and arrangement for controlling the drive unit of a vehicle A method and an arrangement control the drive unit of a vehicle. In this method and arrangement, an rpm limiting to a reference rpm takes place when the demand of the driver is withdrawn. The reference rpm is determined at the start of the withdrawal of the driver c... | 09/28/2004 |
| 6792904 | Method and arrangement for affecting engine braking Method and arrangement for engine breaking in motor vehicles having an internal combustion engine with at least one cylinder, at least one exhaust valve at the cylinder and a rocker arm (4) for activation of the exhaust valve. The rocker arm (4) is arr... | 09/21/2004 |
| 6681740 | Injection control pressure strategy during activation of an engine retarder A control strategy for mitigation of the effect of increased engine back-pressure on fuel injectors (22) when an engine retarder is activated to slow the engine (10) of a motor vehicle. The strategy attenuates injection control pressure ICP of hydraulic f... | 01/27/2004 |
| 6668773 | System and method for calibrating variable actuation system A method of calibrating a variable valve actuation system is provided. An engine valve is moved from a first position where the engine valve blocks a flow of fluid to a second position where the engine valve passes a flow of fluid. A valve actuator is act... | 12/30/2003 |
| 6497097 | Turbocharged engine having engine compression braking control An engine brake for a supercharged internal combustion engine for driving a motor vehicle is operated such that the working gas compressed during engine braking, prior to the end of the expansion cycle, is drawn at least partially from the working chamber... | 12/24/2002 |
