William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8151774 | Engine combustion air cyclonic pre-cleaner embodying throttling member adjusted in accordance with engine load An engine combustion air pre-cleaner includes a body shaped for effecting cyclonic air flow between an inlet and an outlet of the body. Located along a longitudinal axis of the body is a conical throttling member which is coupled to a control device which operates i... | 04/10/2012 |
| 8079349 | Drive train for a motor vehicle A motor vehicle has an internal combustion engine (1) and a drive train (2) with an electric machine that can be operated as a generator. A supercharger (5) supplies air through a mass flow line (6) to an inlet side of the internal combus... | 12/20/2011 |
| 8006676 | Control device for engine An engine comprises an intake control valve disposed in an intake passage at an upstream side of an intake valve in each cylinder for individually opening/closing the intake passage, an actuator for opening/closing the intake control valve, and a control device for ... | 08/30/2011 |
| 7832383 | Engine and personal watercraft An engine for a personal watercraft that is equipped with a supercharging machine, including a pressure release device that is configured to, when a pressure in a region of an air-intake passage of the engine that is located upstream of a throttle valve in an intake... | 11/16/2010 |
| 7426828 | Method and device for controlling the airflow supplied to an internal combustion engine This method is intended for a turbocharged internal combustion engine having an electrically controlled throttle valve. The turbocharger has a waste gate for regulating its pressure. The position of the valve and the extent to which the gate is open are controlled a... | 09/23/2008 |
| 7404293 | Intake system for supercharged engine An intake system for a supercharged engine can include a blow-off passage provides communication between the upstream side of the throttle valve and the upstream side of a supercharger. A blow-off valve opens and closes the blow-off passage. The blow-off valve can b... | 07/29/2008 |
| 7398650 | Internal combustion engine comprising a mechanical charger and a turbo-compound In an internal combustion engine comprising a mechanical charger in the form of a positive displacement compressor connected to the engine intake duct for supplying compressed air to the engine and a turbo-compound including an exhaust gas turbine connected to the e... | 07/15/2008 |
| 7370695 | Combined cooling/climate control system for motor vehicles The present invention relates to a combined cooling/climate control system for motor vehicles for cooling the motor vehicle's electrical and/or electronic components and air conditioning of a passenger compartment of the vehicle, comprising: a main ventilation duct ... | 05/13/2008 |
| 7318409 | Vehicle engine control system utilizing humidity sensor A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel econ... | 01/15/2008 |
| 7305825 | Engine turbine temperature control system A turbine temperature control (TTC) system for regulating operation of an engine to control a temperature of a forced air induction device. The system includes a sensor that is responsive to an exhaust gas temperature and that generates a signal. A control module de... | 12/11/2007 |
| 7303037 | Snowmobile four-cycle engine arrangement A snowmobile four-cycle engine arrangement, includes: a four-cycle engine arranged in an engine compartment formed in the front body of a snowmobile with its crankshaft laid substantially parallel to the body width and having a cylinder case inclined forwards with r... | 12/04/2007 |
| 7287377 | Method and device for operating an internal combustion engine A method and a device for operating an internal combustion engine make it possible from the start to avoid operating states that are characterized by an increased knock tendency or an increased exhaust gas temperature. The internal combustion engine includes a compr... | 10/30/2007 |
| 7281527 | Internal combustion engine and working cycle The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines for carrying out the method. The invention includes methods and apparatuses for managing combustio... | 10/16/2007 |
| 7275374 | Coordinated multivariable control of fuel and air in engines Methods and systems for controlling a diesel engine using a combined fuel and air-side controller are disclosed. An illustrative method may include the steps of providing a combined fuel and air-side controller adapted to coordinate both the fuel and air-side contro... | 10/02/2007 |
| 7260929 | Secondary air deliver device for an internal combustion engine In a secondary air delivery device for an internal combustion engine comprising a secondary air charger with a compressor and a turbine which is driven by the vacuum generated in the engine intake duct and which drives the compressor that delivers secondary air to t... | 08/28/2007 |
| 7222614 | Internal combustion engine and working cycle The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines for carrying out the method. The invention includes methods and apparatuses for managing combustio... | 05/29/2007 |
| 7207188 | Heat pump system A heat pump system (10) including a heat generator (15), a heat engine (26) supplied with heat engine working fluid (18) by the heat generator (15) having a heat engine cylinder chamber (34), a heat engine piston (32)... | 04/24/2007 |
| 7200995 | Control system for diesel engine elevated idle and variable nozzle turbo control for stationary vehicles A control system and method for increasing engine temperature for an engine having a variable nozzle turbo (VNT) is provided. An offset idle module generates an offset idle signal. A normal boost module calculates a normal boost. A supplemental boost module calculat... | 04/10/2007 |
| 7165399 | Method and system for using a measure of fueling rate in the air side control of an engine Methods and Systems for using a measure of fueling rate in the air side control of an engine. By using a measure of the fueling rate, the air side control may, for example, anticipate the future air side needs of the engine, and adjust one or more air side parameter... | 01/23/2007 |
| 7165538 | Method and device for operating an internal combustion engine having at least two cylinder banks A method and a device for operating an internal combustion engine having at least two cylinder banks are provided, each of the at least two cylinder banks having an air supply with an individual compressor, and a coordination of the compressors is possible in a simp... | 01/23/2007 |
| 7162861 | Method of improving performance of emission control devices by controlling exhaust oxygen content A method of providing extra air to the exhaust stream of an internal combustion engine. A small flow of air is diverted from the output of an air-charging device, such as a turbocharger, to an entry point upstream of an emission control device. The air is supplied i... | 01/16/2007 |
| 7152559 | Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine Part 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 low pressure conditions within the combustion chamber into which fuel ... | 12/26/2006 |
| 7140356 | Engine throttle opening degree area estimation method, as well as engine acceleration detection method and device and engine fuel injection control method and device using the estimation method An engine fuel injection control device including: means for detecting an amount of change per minimal time in intake pipe pressure of an engine as an intake pipe pressure change amount; means for performing an arithmetical operation of calculating an opening area o... | 11/28/2006 |
| 7137384 | Modular supercharger system There is provided a supercharger system for supercharging a vehicle engine includes a first lower intake manifold adapter attached to the vehicle engine. The supercharger system further includes a second lower intake manifold adapter attached to the vehicle engine. ... | 11/21/2006 |
| 7128059 | Air induction system and evaporative emissions control device A device comprising an air intake duct and at least one passive one-way air intake valve disposed in the air intake duct. There is also an actuator coupled to the one-way valve for biasing the one-way valve in a closed position. During operation, the one-way air int... | 10/31/2006 |
| 7127892 | Techniques for determining turbocharger speed One embodiment of the present invention includes an internal combustion engine with a turbocharger. The turbocharger includes a compressor with an outlet coupled to an intake of the engine and a turbine coupled to an exhaust manifold of the engine. A a turbocharger ... | 10/31/2006 |
| 7107974 | Apparatus and method for increasing the ratio of air to fuel of engine An apparatus and method for increasing the ratio of air to fuel of engine is disclosed. The method comprises the steps of providing air to fuel injection mechanism by fan; adjusting the speed of fan by the voltage generated by the generator a car so that the corresp... | 09/19/2006 |
| 7104228 | Engine with variable cam timing and control advantageously using humidity sensor A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel econ... | 09/12/2006 |
| 7100584 | Method and apparatus for controlling an internal combustion engine An engine control system determines a desired temperature range of air flowing into an intake manifold of the engine as a function of an operating characteristic, such as the load on the engine or the operating speed of the engine. A bypass conduit is provided in pa... | 09/05/2006 |
| 7100375 | System for limiting rotational speed of a turbocharger A system for limiting the rotational speed of a turbocharger is disclosed. The turbocharger includes a compressor having an outlet fluidly coupled to an intake manifold of an internal combustion engine and a compressor outlet, a turbine having an inlet fluidly coupl... | 09/05/2006 |
| 7093589 | Apparatus for increasing induction air flow rate to a turbocharger A system that enables enhanced air flow to the air intake of an internal combustion engine having a turbocharger is disclosed. The air induction system includes a plenum or expansion chamber located within the area directly in front of the inlet of the turbocharger.... | 08/22/2006 |
| 7086230 | Pop-off valve for an aircraft engine having a turbocharger control system and propeller control system by stepper motor A pop-off valve that, in one embodiment, provides overboost protection for an aircraft engine, is described. The pop-off valve includes a housing adapted for connection to a portion of a drive device containing a pressure medium. It also includes a pressure body mov... | 08/08/2006 |
| 7082932 | Control system for an internal combustion engine with a supercharger A method is provided in which a marine propulsion system with a charge air compressor is controlled through the use of a clutch or a multiple speed transmission that allows the charge air compressor to be engaged or disengaged. The engagement or disengagement of the... | 08/01/2006 |
| 7082764 | Burnt gas-scavenging indirect-injection internal-combustion supercharged engine and supercharged air supply method for such an engine The present invention relates to a supercharged internal-combustion, notably indirect-injection engine comprising at least one cylinder (10) with two types of supercharged air intake means (12, 14), one type for non-carbureted supercharged air intake (... | 08/01/2006 |
| 7082751 | Gas compressor pollution control system and method A pollution control system and method for a compressor for compressing gas, according to which a combustion engine is connected to the compressor for driving the compressor, and the products of combustion from the engine are passed into the flow line connecting the ... | 08/01/2006 |
| 7080511 | Method for controlling engine air/fuel ratio A system for controlling engine air/fuel ratio includes an engine, a compressor having an inlet receiving air. The compressor discharges air to the engine intake. A recirculation path is provided from the compressor discharge to the compressor inlet. A controllable ... | 07/25/2006 |
| 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 |
| 7070467 | Integrated engine-jet pump drive unit for marine application A watercraft includes a shell, a ride plate, an internal combustion engine, and a jet pump. The shell defines a tunnel that extends forwardly from the transom and is defined laterally by the shell. The tunnel is open at its bottom The ride plate mounts to the shell ... | 07/04/2006 |
| 7055507 | Continuously variable drive for superchargers A drive assembly for a supercharger for an internal combustion engine provides a continuously variable drive ratio between the engine and supercharger to provide a substantially, constant drive speed to the supercharger, thereby optimizing performance. The continuou... | 06/06/2006 |
| 7032381 | Direct-injection engine with turbocharger and method of controlling the same In a direction-injection engine incorporating a turbocharger, fuel combustion is improved to enhance fuel economy within the high-load range of engine torque, and furthermore to control occurrence of smoke in the range of great load within the lean-burn range. | 04/25/2006 |