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| Number | Title | Issue Date |
| 7334570 | Common rail fuel injection system with accumulator injectors A fuel injection system for an internal combustion engine includes a common rail, a plurality of accumulator injectors, and at least one accumulator controller separate from the accumulator injectors and connected to the common rail. Each accumulator controller incl... | 02/26/2008 |
| 7325534 | Supplemental internal air cooling of an internal combustion engine A method for providing supplemental internal air cooling to a multi-cylinder internal combustion engine. The method involves deactivating the fuel injector to one cylinder for a predetermined time period or temperature decrease, based upon engine operating condition... | 02/05/2008 |
| 7322337 | Safety fuel tank and filler cap apparatus A safety fuel tank and filler cap arrangement is disclosed wherein the cap attaches to an internal combustion engine having a fuel tank and a starter or ignition system. The tether that connects the cap to the engine ignition or starter is an electrical conduit that... | 01/29/2008 |
| 7323974 | Method and arrangement for suppressing incorrect messages in monitoring systems The invention relates to a method and to an arrangement for eliminating false messages in monitoring systems for electronic devices, especially for sensor circuits in motor vehicles. According to the inventive method, error messages increment a counter and an alarm ... | 01/29/2008 |
| 7322243 | Acoustic wave etch rate sensor system An acoustic wave sensor system for monitoring the etch rate or etch ability of a selective material has an acoustic wave sensing device having a piezoelectric substrate and at least one electrode coupled to the substrate for generating a propagating acoustic wave an... | 01/29/2008 |
| 7322345 | Stuck-open failure detection system for gas-fuel injection valve Disclosed is a stuck-open failure detection system for a gas-fuel injection valve adapted to inject or supply gas fuel into/to a combustion chamber of an engine, which comprises: a shutoff value interposed in a fuel supply passage fluidically connected to the gas-fu... | 01/29/2008 |
| 7322338 | Safety fuel tank and filler cap apparatus A safety fuel tank and filler cap arrangement is disclosed wherein the cap attaches to an internal combustion engine having a fuel tank and a starter or ignition system. The tether that connects the cap to the engine ignition or starter is an electrical conduit that... | 01/29/2008 |
| 7320314 | General-purpose engine fuel tank fuel vapor treatment system A general-purpose engine fuel tank fuel vapor treatment system includes: a canister mounted on a peripheral part of a fuel filler opening of a fuel tank mounted on a general-purpose engine, the canister housing a fuel adsorbent for adsorbing fuel vapor generated in ... | 01/22/2008 |
| 7318414 | Constant-speed multi-pressure fuel injection system for improved dynamic range in internal combustion engine A fuel injection system operates under a substantially constant pump speed and creates multi-pressure levels by diverting the fuel flow. Fuel pressure can be switched from one steady pressure level to another level on-demand instantly. This superimposes and overlaps... | 01/15/2008 |
| 7318423 | DME fuel supply device for diesel engine In the DME fuel supply device for a diesel engine, the time necessary to retrieve DME fuel remaining in the injection system after stopping the diesel engine into the fuel tank can be reduced. In a non-injection state, a three-way valve (71) is controlled to ... | 01/15/2008 |
| 7316224 | Method for detecting liquefied fuel in canister purge line of vehicle A method of detecting whether liquefied fuel exists in a canister purge line includes, if a fuel level in a fuel tank is higher than a pre-set level, opening a purge control valve for a time. A difference is calculated between the air-fuel ratio before and after ope... | 01/08/2008 |
| 7316217 | Control device of internal combustion engine An ECU performs stop control for operating an engine for a prescribed time after an ignition switch is turned off. During performance of the stop control of the engine, the ECU prohibits an update of an accelerator press-down degree signal and controls an opening de... | 01/08/2008 |
| 7311089 | High flow, low vacuum carbon canister purge valve A technique is provided for purging an adsorption canister in a fuel tank vent system. The technique provides a relatively high purge flow under conditions wherein the intake manifold vacuum is relatively low. A sonic nozzle is placed in the purge line between the e... | 12/25/2007 |
| 7311116 | Gas regulation system and process for operating the gas regulation system A gas regulation system includes a manifold, a plurality of control modules in fluid communication with the manifold, and a power source. Each control module includes an actuatable valve that is in fluid communication with an associated gas storage device and in ele... | 12/25/2007 |
| 7311076 | Low fuel pressure warning system An internal combustion engine system having an internal combustion engine, a fuel source, a fuel filter for filtering fuel from the source to the engine, and a fuel pressure switch disposed between the fuel filter and the fuel source. An additional sensor is provide... | 12/25/2007 |
| 7309430 | Filtration system utilizing a single valve to direct fluid streams between filter assemblies and corresponding methods A filtration assembly for filtering polymer fluids at varying flow rates includes at least two filter housing assemblies releasably attached to a filter support or main block. Polymer fluid is delivered to the filter housing assemblies via an inlet passage in the ma... | 12/18/2007 |
| 7308871 | Control apparatus for variable valve apparatus and method thereof An engine control unit diagnoses whether or not a unit that controls a variable valve apparatus is failed, and when it is diagnosed that the unit is failed, the engine control unit shuts off the power supply to a drive circuit for an actuator of the variable valve a... | 12/18/2007 |
| 7300321 | Early warning and protection for heat exchange systems Method and apparatus are provided for warning a user or operator about a malfunction in a pump and/or engine of a marine vessel or another suitable device or equipment, featuring steps of: comparing a sensed pressure differential at a sensed RPM when the pump/engine... | 11/27/2007 |
| 7293450 | Oil quality sensor structure for permanent applications An oil quality sensor system comprise an acoustic wave viscosity and an etch rate sensor. The etch rate sensor system includes a piezoelectric substrate and one or more sensing layers configured upon the piezoelectric substrate. A layer of gold is generally configur... | 11/13/2007 |
| 7287501 | Control device of internal combustion engine A coil driving a contact of an ignition and injection relay is connected to a connection line of a main relay and an ECU. When an ignition switch is turned off, the ECU drives an ignition device and an injection device for a prescribed period thereafter. Then, the E... | 10/30/2007 |
| 7287363 | Riding mower having multiple cutting units A riding mower has multiple cutting units visible to the operator when mowing, and easily accessible for service and maintenance work. The riding mower chassis has a front end, a rear end, a left rail, a right rail, a pair of front wheels mounted at the front end, a... | 10/30/2007 |
| 7287431 | Wireless oil filter sensor A wireless oil filter sensing system includes an oil filter and a sensing mechanism that is connectable to the oil filter. The sensing mechanism includes one or more acoustic wave sensing elements and at least one antenna that communicate with the acoustic wave sens... | 10/30/2007 |
| 7287517 | DME fuel supply device for diesel engine In the DME fuel supply device for a diesel engine, the time necessary to retrieve DME fuel remaining in the injection system after stopping the diesel engine into the fuel tank can be reduced. In a non-injection state, a three-way valve (71) is controlled to ... | 10/30/2007 |
| 7284530 | Leak detector for fuel vapor purge system A suction pump introduces negative pressure into a reference-pressure-detecting portion. A driving voltage V of the suction pump is adjusted in such a manner that pressure Pr in the reference-pressure-detecting portion is within a target pressure range. When the pre... | 10/23/2007 |
| 7278405 | Fuel injection system designed to ensure enhanced reliability of diagnosis of valve A fuel injection system for automotive diesel engine is provided which is equipped with a fuel pressure sensor working to measure the pressure of fuel in an accumulator and a pressure-reducing valve working to drain the fuel from the accumulator. The system is desig... | 10/09/2007 |
| 7280910 | Engine protection method and apparatus, and engine power control method and apparatus for cargo handling vehicle A method and an apparatus for protecting an engine are disclosed which are capable of preventing damage to the engine or associated parts thereof. The engine is provided with an electronic control fuel injection system. A quasi-abnormality of at least one of variabl... | 10/09/2007 |
| 7275510 | Startup-time control apparatus and stop-time control apparatus of internal combustion engine, and control methods thereof, and record medium If it is determined that the present engine startup is a high-temperature startup, immediately fuel injection in concert with start of cranking is prohibited. After a delay time elapses following the start of cranking, or when THC | 10/02/2007 |
| 7272488 | Leak detecting device for fuel vapor treatment unit Disclosed is a leak detecting device for a fuel vapor treatment unit that purges a vapor gas generated through evaporation of fuel in a fuel tank (2) into an intake system (22) of an engine (21). The leak detecting device includes a valve (5 | 09/18/2007 |
| 7267114 | Wildland fire vehicle escape system A wildland fire truck engine emergency combustion oxygen supply apparatus for the prevention of stalling of the engine in an oxygen depleted environment. The apparatus has a storage tank mounted on the vehicle for the storage of oxygen, nitrous oxide, or air, a feed... | 09/11/2007 |
| 7267009 | Multiple-mode acoustic wave sensor A multiple-mode acoustic wave sensor apparatus includes an acoustic wave device comprising a piezoelectric substrate and at least one electrode on the substrate. When such sensor is used in a wireless configuration, a plurality of antennas can be configured on the s... | 09/11/2007 |
| 7263973 | Fuel supply apparatus for internal combustion engine The engine ECU executes a program including the step of detecting an engine coolant temperature, the step of detecting an engine speed and an engine load, the step of estimating a temperature at a tip end of an in-cylinder injector based on the engine coolant temper... | 09/04/2007 |
| 7258098 | Vehicle mounted type fuel testing apparatus A vehicle mounted type fuel testing apparatus comprises a fuel chamber; a first fuel pump for supplying fuel in the fuel chamber to a sample holding container and an auxiliary fuel tank; an analyzing device for analyzing constituents of the fuel accommodated in the ... | 08/21/2007 |
| 7256583 | Device and method for testing the seal tightness of a fuel tank system of a motor vehicle A device and method for testing seal tightness of a fuel tank system of a motor vehicle, wherein excess pressure is built up in the fuel tank system by an electrically operated pump and electric current consumption of the pump is compared to reference values in orde... | 08/14/2007 |
| 7250689 | Common composition engine control unit and voltage regulator A control unit assembly is disclosed including a housing, at least one processor to control operation of an engine, and a voltage regulator configured to regulate a voltage of at least one rail of the engine. The at least one processing unit and the voltage regulato... | 07/31/2007 |
| 7249589 | Hybrid vehicle and method for controlling hybrid vehicle In hybrid vehicle, when the shift position SP is set to the S position at which a driver is allowed to select any one of the shift positions SP1 to SP6, and it is determined that warm-up of a purifying device has not been completed, the target air-fuel... | 07/31/2007 |
| 7240663 | Internal combustion engine shut-down for engine having adjustable valves A method for operating an engine in a vehicle, the engine having at least a cylinder, is described. The method comprises decreasing rotational speed of the engine; and when said engine speed falls in a specified region, adjusting a valve timing of the cylinder to ge... | 07/10/2007 |
| 7237533 | Arrangement in fuel injection apparatus An arrangement in a fuel injection system for controlling the fuel injection includes a body part having a space, through which the fuel to be injected during operation flows, and a fuel inlet opening and an outlet opening opening into the space. A piston is arrange... | 07/03/2007 |
| 7231808 | Method and apparatus for measuring oxygen content A method and apparatus for measuring the oxygen content in a closed target space, particularly for monitoring inertization levels in an inert gas device for fire prevention and/or fire extinguishing. Toward the aim of proposing a method for measuring the oxygen cont... | 06/19/2007 |
| 7231900 | Small engine shut off system A normally closed ignition grounding switch mounted on the engine operates in concert with the fuel valve such that in order to “kill” the engine, the fuel valve must be moved from its open position. In one embodiment, a normally closed push button switch is mou... | 06/19/2007 |
| 7233845 | Method for determining vapor canister loading using temperature A method of managing the saturation level of a vapor collection canister for an on-board fuel vapor emission control system. The method includes flowing the fuel vapor through a canister flow path between a first port and a second port of the vapor collection canist... | 06/19/2007 |
