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8170778 |
Internal combustion engine system, control method of internal combustion engine system, and vehicle
On incompletion of port learning, an auto stop-permitting water temperature is set to a temperature which is higher than a temperature set on completion of the port learning and is higher than a...
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8136497 |
Method for starting an engine
A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method skips combustion in at least one cylinder, according to the...
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8132554 |
Fuel shutoff system
A fuel control system that has a fuel control device to control the flow of fuel to a carburetor of an internal combustion engine. The fuel control device includes a control member that is movable...
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8133083 |
Water jet propulsion boat
A water jet propulsion boat is constructed such that a fuel pressure detection device is free from a detection error or breakdown and a restart ability of an engine is protected against...
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8126638 |
Engine
In an engine which may show a behavior where an engine speed is not always minimized after compression top dead center of a cylinder in which poor fuel injection occurred, the cylinder in which...
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8079342 |
Method and device for controlling an internal combustion engine
A method and a device for controlling an internal combustion engine having a plurality of cylinders. A fuel metering system includes a fuel reservoir. A fuel level signal is provided which...
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RE42915 |
Vehicle security control apparatus
A vehicle security control apparatus has a connecting portion within a vehicle for receiving a switch device and a determination backup device. The determination backup device determines whether to...
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8010277 |
Fuel injection controller and diagnosis method of fuel supply system
A fuel injection controller (incorporated in an engine control ECU) for controlling an injection operation of an injector has a program for executing injections in plural injection patterns...
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7966978 |
Cooling control unit for water-cooled multi-cylinder internal combustion engine having cylinder deactivation mechanism
A cooling control unit for a water-cooled multi-cylinder internal combustion engine having a cylinder deactivation mechanism for controlling the flow of coolant to prevent the internal combustion...
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7931002 |
Method for starting an engine
A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method skips combustion in at least one cylinder, according to the...
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7822534 |
Fuel supply device and fuel supply method for internal combustion engine
A fuel supply device (30) for an engine (1) pressurizes the fuel drawn up from a fuel tank (31) by the low-pressure fuel pump (32) and stores it in a delivery pipe (34), and injects the fuel stored...
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7779808 |
Controller for homogeneous charge compression ignition internal combustion engine
A HCCI engine (1) is able to supply two types of fuels with different octane numbers to each cylinder (3) through fuel supply devices (17 and 18). A fuel supply control means (50) of a controller...
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7775194 |
Automatic residual fuel vent device for carburetor
An automatic residual fuel vent device for a carburetor, the device including a fuel supply passage (15) connecting a fuel tank (TF) and a float chamber (10), a negative pressure passage (17)...
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7757666 |
Cylinder fueling coordination for torque estimation and control
An engine control system comprises a torque control module and a fueling control module. The torque control module selectively generates a deactivation signal for a first cylinder of a plurality of...
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7702450 |
Automatic idle adjustment and shutdown of vehicle
A vehicle is disclosed having an automatic idle adjustment system. The vehicle may also include an automatic shutdown system. A method for utilizing the automatic idle adjustment system and the...
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7661410 |
Fluid leak limiter
A fluid leak limiter for a high-pressure fuel injection system is disclosed. The fluid leak limiter may have a body at least partially defining a central bore and having a fluid inlet and a fluid...
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7658179 |
Fluid leak limiter
A fluid leak limiter for a high-pressure fuel injection system is disclosed. The fluid leak limiter may have a body at least partially defining a central bore with a fluid inlet and a fluid outlet,...
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7654242 |
Multiple-cylinder engine for planing water vehicle
A multiple-cylinder engine for a planing water vehicle includes an operation control device which changes the number of deactivated cylinders step by step in response to an engine speed when the...
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7637250 |
Gasoline engine system using variable direct ethanol injection and engine shutdown
Fuel management system for operation of a spark ignition gasoline engine. The system includes a gasoline engine powering the vehicle and a source of gasoline for introduction into the engine. A...
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7621252 |
Method to optimize fuel economy by preventing cylinder deactivation busyness
A method of transitioning an engine to a cylinder deactivation mode may include determining a ratio of time that the engine is operating in the cylinder deactivation mode for an engine operating...
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7606651 |
Apparatus for controlling timings of intervals in which combustion chamber pressure data are acquired from output signals of cylinder pressure sensors of multi-cylinder internal combustion engine
A control apparatus for a multi-cylinder internal combustion engine includes pressure sensors used for acquiring combustion chamber pressure data for each engine cylinder, during each of a series...
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7603224 |
Cam phasing control system for improving regeneration efficiency
A control system includes a cam position calculation module that determines intake and exhaust cam positions during operation of an engine. The engine includes a regeneration and fuel cut-off (FCO)...
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7581531 |
Method for operating an internal combustion engine
An internal combustion engine includes multiple cylinders. A partial set of the cylinders may be temporarily shut off. Fuel is introduced briefly into at least one of the shut off cylinders and...
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7543564 |
Reverse rotation intake manifold protection system and method
A method of protecting an intake manifold of an engine of a hybrid propulsion system including an electric motor comprises detecting a reverse rotation of an engine. A fuel injector of the engine...
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7526375 |
Torque based fuel cut-off
An engine control system is provided. The system includes: an engine torque module that estimates torque output based on charge energy; and a cylinder mode module that controls fuel cut-off and...
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7520266 |
Fuel injector control system and method
A fuel injector for an engine is disclosed. The fuel injector has a plunger disposed within a bore, a nozzle member, a valve needle, a check valve, a spill valve, and a controller. The check valve...
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7497200 |
Continuous throttle regulation device
A continuous throttle regulation device employs a motor throttle body located proximate to a motor or engine, and an accelerator pedal located remote from the motor or engine. A return switch (RS)...
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7481202 |
Procedure to operate a fuel system of an internal combustion engine
In the operation of a fuel system of an internal combustion engine, the fuel is compressed by a fuel pump and travels by way of at least one fuel injection device into at least one combustion...
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7463968 |
Method and apparatus to control engine stop for a hybrid powertrain system
A control scheme is provided for stopping an internal combustion engine of a hybrid powertrain during ongoing vehicle operation. The method, executed as program code in an article of manufacture...
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7448364 |
Fuel cutoff valve and breather pipe
In a fuel cutoff valve of the invention, an opening at a lower end of a cylindrical bottom member defines a full level of fuel. The opening of the cylindrical bottom member has a flange that is...
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7428893 |
Electronic flow control valve
An internal combustion engine is provided that includes a high pressure feed line, and a plurality of fuel injectors fluidly connected to the high pressure feed line, each being operable to inject...
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7389761 |
Fuel pump noise-reduction apparatus in liquefied petroleum injection vehicle
A fuel pump noise-reduction apparatus in a Liquefied Petroleum Injection (LPI) vehicle comprises a Liquefied Petroleum Gas (LPG) switch. A plurality of shut off valves are configured for activation...
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7383827 |
Fuel pump noise reducing apparatus and method thereof for liquefied petroleum injection vehicle
A fuel pump noise reducing apparatus and a methods for a Liquefied Petroleum Injection (LPI) vehicle stops fuel provision by shutting off valves if a Liquefied Petroleum Gas (LPG) switch is turned...
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7377253 |
Vehicle fuel management system
An integrated fuel management system and method for controlling the fuel storage and delivery in a vehicle. The fuel management system includes a fuel storage tank for storing fuel in a vehicle, a...
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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...
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7347177 |
Fuel pump control
An apparatus in a mechanical returnless fuel system is provided that includes a fuel pump motor for providing fuel to a powertrain system. A powertrain control module provides an activation signal...
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7337761 |
Fuel system
A fuel system comprises a spill valve 38 operable to relieve the fuel pressure differential across at least one positive displacement pump 16, 18, a shut-off valve 32 operable to control the supply...
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7337765 |
Throttle regulator for vibration compaction machine
An engine stop switch and a fuel open-close lock are accommodated in a throttle lever case so that they can be easily disassembled, and the engine stop switch is turned on and off and the fuel...
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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...
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7275505 |
Thermal regulation control for combustion nailer
A combustion nailer includes a combustion-powered power source, at least one fan associated with the power source, at least one temperature sensor in operational proximity to the power source for...
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7252068 |
System and method to reduce fuel system pumping heat input
The present invention discloses a relatively simple system and method to reduce fuel system pumping by automatically turning on and off servo flow to various non-needed devices or “start l...
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7249583 |
System for controlling valve timing of an engine with cylinder deactivation
Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such...
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7234436 |
Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics
A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders...
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7236874 |
Torque control apparatus and vehicle control system having the same
In an engine torque loss computing section, a pump loss computing section computes a pump torque loss, and a frictional loss computing section computes a frictional torque loss. The pump torque...
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7234435 |
Electrically actuated valve deactivation in response to vehicle electrical system conditions
A method for controlling at least an electrically actuated valve to operate in at least a cylinder of an internal combustion engine, the method comprising deactivating an electrically actuated...
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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 pos...
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7225788 |
Fuel supply system of vehicle
A fuel supply system of a vehicle is provided with a fuel tank 10 supported on a vehicle at a level equal to or lower than that of the carburetors 16 and 17 combined with an engine 5. A vacuum fuel...
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7216614 |
Fuel supply device for outboard device
A fuel supply device can have a low pressure fuel pump that supplies fuel to a vapor separator tank positioned adjacent to an engine from a main fuel tank disposed in a hull. An electrically...
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7185639 |
Evaporative emission controls
A method, fuel system, and a valve for facilitating the delivery of liquid fuel and fuel vapors from a fuel tank in fluid communication with a carburetor of an internal combustion engine. During...
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7177755 |
Apparatus for controlling engine rotation stop by estimating kinetic energy stop position
A control apparatus for an engine increases an intake air quantity just before engine stop to increase a compression pressure in a compression stroke. As the compression pressure is increased, a...
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