Matches 1 - 50 out of 175 1 2 3 4 >
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7536990 Hybrid exhaust valve assembly  
An exhaust valve assembly includes a flapper valve fixed to a valve shaft where the flapper valve is movable between a closed position, an intermediate position, and an open position. A resilient...
7530222 Hydraulic apparatus, system and method for positioning an engine exhaust flow control valve  
A hydraulic assembly and method for use with an vehicle engine exhaust flow control valve for controlling flow to at least one intake supply. The assembly has an actuator, such as a spring return...
7523736 Device for increasing the braking power of a multi-cylinder internal combustion engine of a vehicle during an engine braking operation  
A device for increasing the braking power of a multi-cylinder internal combustion engine of a vehicle during engine braking operation includes a turbo supercharger and an exhaust gas turbine for...
7461629 Exhaust brake control system  
A control system for an exhaust brake which operates to impede exhaust flow from a turbocharged combustion engine when the engine throttle is closed. The control system includes means for delaying...
7434398 Method for braking with an internal combustion engine having a variable turbo unit  
Method for controlling the braking effect during engine braking in an internal combustion engine ( 10 ) having an exhaust turbocharger unit ( 16 ) with adjustable guide blades for controlling the...
7367327 Device and process for overfeeding compressed gas to an intake pipe of a turbocharged engine  
Method and device ( 1 ) for boosting an intake pipe ( 4 ) of a turbocharged engine ( 5 ) with compressed gas. The method includes storing gases in a vessel ( 12 ) at a pressure greater than...
7350502 Apparatus and method for controlling exhaust pressure  
An apparatus and method of controlling exhaust pressure in an internal combustion engine are disclosed. In one embodiment the apparatus may comprise: a housing; a valve disposed in the housing; an...
7210289 Output control system for engine with exhaust control function  
An engine output control system includes an engine ECU having a fundamental ignition timing map, a fundamental fuel injection quantity map, a target throttle angle determination unit for...
7013867 Engine air brake device for a 4-stroke reciprocating piston internal combustion engine  
An engine air brake device for a 4-stroke reciprocating-piston internal combustion engine is provided and has at least one intake valve and two exhaust valves per cylinder. The exhaust train...
7004142 Acceleration control method for engine  
A control system for an exhaust brake which operates to impede exhaust flow from a turbocharged combustion engine when the engine throttle is closed. The control system includes means for delaying...
6993426 Method of engine overspeed protection by inhibiting operator throttle input  
An engine control practices a method for engine control including detecting an overspeed indication selectively settable in the vehicle, responding to the threshold speed operation, and inhibiting...
6981519 Pressure-regulating valve  
Pressure-regulating valve having a throttle mounted in a tube section such that it can be pivoted about a pivot axis from an open position into a closed position. The throttle having a pressure...
6899079 Engine exhaust brake  
A ball valve operable as an engine brake to resist high rpm operation of the engine on which it is installed. The ball valve has a noncontact seal and can include an aperture through a seal face to...
6810850 Apparatus and control for variable exhaust brake  
A controlled exhaust brake for an engine comprises an exhaust restrictor located in an exhaust system downstream of an exhaust manifold of an engine. An actuator operably associated with the...
6810839 Control device for controlling control motor of internal combustion engine  
The control device for a control motor of an engine has: a control information output unit for detecting an operational state of the engine as control information; target value computing unit for...
6807928 Control device for a control motor of an internal combustion engine  
The operational state of the engine is detected and the target value of the motor is computed corresponding to the operational state (step S 1 ); a current value of the motor is obtained (step S 2...
6739311 Theft prevention device  
A theft prevention device for inhibiting expulsion of gases from the exhaust of the vehicle to stall to the motor of the vehicle. The theft prevention device includes a housing being designed for...
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...
6652414 Vehicle engine brake and control system  
An engine brake control system for a vehicle drive train including an internal combustion engine with an exhaust system and a turbocharger includes a variable inlet turbine in the exhaust system as...
6609495 Electronic control of engine braking cycle  
A method of engine braking includes a initial step of determining whether fuel injector tip temperatures are at or above a pre-determined temperature. If the injector tip temperatures are below the...
6598619 Exhaust gas regulator including a resilient coupling  
A valve that includes a wall, a closure member, a motive force device, a coupling member, and a spacer. The wall defines a flow passage that is disposed along a longitudinal axis. The closure...
6536408 Engine brake control integration with vehicle service brakes  
An engine brake control system that is integrated with service brakes for a diesel engine powered vehicle. Three manually selectable modes of operation include an operation with the engine brake...
6470851 Method and apparatus of controlling the actuation of a compression brake  
A method and apparatus for controlling the speed of an engine having a plurality of cylinders and a compression brake operable on one or more of the cylinders is disclosed. The method includes...
6305349 Sliding gate exhaust brake assembly  
A sliding gate exhaust brake assembly comprising a gate located within an housing, the gate being moveable between an open position and a closed position to open and close an exhaust outlet. A...
6286307 Exhaust gas control device for an engine  
An improved exhaust gas control device that has a hollow diverter pipe to divert exhaust around the muffler and in which a gate valve is slidably mounted to open and close the hollow pipe thus...
6273059 Decelerator device mounted in the exhaust gas circuit of a vehicle equipped with a combustion engine  
A decelerator device for obtains constant and maximal decelerating power whatever the engine speed, by controlling the pressure of the gases upstream of the valve by balancing the efforts at the...
6230682 Combustion engine and method of controlling same  
A combustion engine has a line (20) for feeding exhaust gases back from the outlet system (3, 3) to the inlet system (2), an EGR valve (17) in the line (20), an exhaust brake valve (50) in the...
6227323 Exhaust control system for snowmobile engine  
A snowmobile comprised of a frame having a centerline in a front to rear direction, an engine supported by the frame, the engine having a body defining at least one combustion chamber and having a...
6216648 Internal combustion engine with pneumatically controlled variable exhaust valve  
An internal combustion engine has a variable flow passage, e.g. an exhaust passage, in communication with the cylinder of the engine. A valve is positioned in the passage, restricting the passage...
6193214 Shut-off or throttle valve with pivotal flap  
A shut-off or throttle valve comprises a housing defining a flow passage and a valve flap to be pivoted about an axis of rotation extending across the flow cross-section of the valve. The valve...
6179096 Exhaust brake variable bypass circuit  
An exhaust brake for an internal combustion engine is disclosed. The exhaust brake includes a main valve and a bypass valve for restricting the flow of exhaust gas. The main valve may be...
6109027 Exhaust restriction device  
An exhaust restriction device for an internal combustion engine is disclosed. The exhaust restriction device includes a main valve and a bypass valve for restricting the flow of exhaust gas. The...
6085722 Exhaust restrictor with gear motor actuator and method of controlling same  
An apparatus and method of restricting flow of exhaust gas in an exhaust gas duct of a machine having an internal combustion engine is disclosed. The apparatus includes a closure member pivotably...
6085526 Process and braking arrangement for an exhaust gas turbocharger having a variable turbine geometry  
In a process for adjusting an exhaust gas turbocharger having a variable turbine geometry in the engine braking operation, engine operating parameters are measured for determining an actuating...
6085524 Device for regulating the engine braking power of an internal combustion engine  
Device for controlling the engine braking power of an internal combustion engine (1) in a motor vehicle, which is equipped with a compression braking device arranged in brake mode to open the...
6082328 Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine  
A method and apparatus for carrying out variable timing exhaust gas recirculation is disclosed for use during both positive power and retarding operation of an internal combustion engine. Motion or...
6053146 Model aircraft engine with exhaust control mechanism  
An exhaust control mechanism is provided for use in a model engine system having a source of engine exhaust. The exhaust control mechanism includes first and second tubes and a valve movable in one...
6012424 Method and apparatus to accomplish exhaust gas recirculation and/or engine braking to overhead cam internal combustion engines  
A method and apparatus of carrying out exhaust gas recirculation and compression release retarding is disclosed for use during both positive power and retarding operation of an overhead cam...
5967115 Electronic controls for compression release engine brakes  
Electronic controls for compression release engine retarders of internal combustion engines which provide electronic signals to control hydraulic valves assembled in the hydraulic actuators of the...
5947235 System and method of exhaust brake control  
A system and method for controlling a vacuum operated exhaust brake. A vehicle may be provided with service brake assistance and an exhaust brake, each of which may be driven by a common vacuum...
5899828 Engine pumping loss control apparatus for locking intake or exhaust valves full open during regenerative braking hybrid vehicle  
An engine control apparatus for a hybrid vehicle reduces a shock and improves the fuel consumption rate when an engine is under a fuel cut control at the time of reducing a speed through an...
5878702 Exhaust timing control device for two-cycle engine  
An exhaust port controlling arrangement for an internal combustion engine having both main and auxiliary exhaust ports. A main control valve cooperates with the main exhaust port for varying the...
5855189 Exhaust controller for internal combustion engine  
An exhaust controller includes an exhaust control valve. The exhaust controller is capable of adjusting an exhaust timing of a spark ignition type, two stroke internal combustion engine depending...
5845748 Low restriction exhaust brake  
An exhaust brake for an internal combustion engine is disclosed. The internal surfaces of the exhaust brake are aerodynamically shaped and sized to reduce the incidence of turbulent flow through...
5839408 Exhaust control apparatus for a spark-ignition two-stroke internal combustion engine  
An exhaust control apparatus for a high level engine output and engine efficiency for obtaining a stable operation from a low speed to a high operating speed in a spark-ignition two-stroke internal...
5733219 Apparatus and method for disabling a compression brake system  
An apparatus is provided for controlling a compression brake on an internal combustion engine. the apparatus includes means for automatically disabling the compression brake once the vehicle speed...
5699767 Gas engine  
A control system for and exhaust retarder in and exhaust pipe of an engine to which a mixer and throttle valve are connected including terminating means for terminating fuel feed into the engine...
5692469 Braking a four stroke IC engine  
In a method for braking a four-stroke internal combustion engine having cylinders each having a combustion chamber and at least one outlet valve connected to an outlet system and controlled by an...
5676110 Exhaust brake with offset butterfly and method of reducing back pressure therein  
An exhaust brake for an internal combustion engine has a valve body with an exhaust gas conduit therethrough. The conduit has a center, an upstream portion and a downstream portion. The upstream...
5675969 Exhaust gas control device in an internal combustion engine  
An exhaust gas control device is provided in an internal combustion engine. In the device, a valve which comprises a valve head and a valve stem is provided in a body the axis of which is inclined...
Matches 1 - 50 out of 175 1 2 3 4 >