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7296550 Starting an engine having a variable event valvetrain  
A method for improving engine starting for an engine having a variable event valvetrain is described. According to one aspect of the description, valve timing during a start can be set so that...
7287500 Start controller for internal combustion engine  
At an intake timing of an initial combustion cylinder, an actual intake valve timing is adjusted to a target intake valve timing corresponding to a target intake air flow rate of the initial...
7284522 Automatic choke  
A choke valve is controlled finely suited to the running state of an engine. A throttle valve 8 and a choke valve 9 are provided in series on an intake pipe 6 , and the opening degree of the...
7278395 Manually operated implement driven by an internal combustion engine  
A manually guided implement driven by an internal combustion engine having a carburetor that is actuated by a throttle lever arrangement, which includes a throttle lever that is mounted in the...
7275508 Combustion engine pull-starter  
A pull-starter for a combustion engine of an engine-powered apparatus having a startup element automatically actuated upon initial pulling of a pull-cord. The pull-cord is attached to and wound...
7267104 Internal combustion engine start-up control  
A variable valve mechanism ( 12 a , 12 b ) varies a lift amount and an opening/closing timing of an intake valve ( 10 ) of an internal combustion engine ( 1 ). During a first period in an engine...
7255081 Method and device for improving the starting response of an internal combustion engine  
The present invention relates to methods for charging at least one combustion chamber ( 12 ) of a spark-ignition combustion engine ( 10 ) with fuel and air. At least one combustion chamber charge...
7252063 Engine generator  
A front panel of an engine generator can have a recess including an upper area and a lower area, separated from each other by a partition. A cock operating portion and a choke operating portion can...
7246591 Automatic choke control system for general-purpose engine  
In an auto-choke system for a general-purpose engine, it is determined whether the operator has operated a combination switch to enable ignition in the engine and based on the result of this...
7213555 Automatic choke  
A choke valve is controlled finely suited to the running state of an engine. A throttle valve 8 and a choke valve 9 are provided in series on an intake pipe 6 , and the opening degree of the...
7207306 Apparatus for controlling engine  
An engine has variable-valve mechanisms. An engine control system has an engine control unit for executing automatic stop and start control. At an automatic-stop, the variable-valve mechanisms are...
7191746 Engine start control apparatus  
An engine start control apparatus includes a crank angle sensor, and a stroke discrimination device that discriminates which of engine cylinders is in intake or compression strokes in an engine...
7171947 Electrically-actuated throttle device for general-purpose engine  
In an electrically-actuated throttle device for a general-purpose engine, supply of current to the throttle motor and choke motor for moving the throttle valve and choke valve is started when...
7159556 Control apparatus and method for internal combustion engine  
A working angle (lift amount) of an intake valve is set to a predetermined first set value A 1 during a period from when starting of the engine is initiated until when the engine is shifted to an...
7159555 Start control for internal combustion engine  
In an internal combustion engine, a starter motor is energized in response to a request for an engine start to perform a cranking of the internal combustion engine. Thereafter, an electric variable...
7156073 Idle speed control apparatus in throttle body for single cylinder  
A single idle air control passage ( 5 ) open toward a suction air passage ( 2 a ) downstream from a throttle valve ( 4 ), a starter passage ( 6 ) and an air screw passage ( 7 ) independently...
7128309 Automatic choke system for carburetor  
An automatic choke system includes: a wax-type temperature sensing section; and an output section which opens a choke valve of a carburetor in response to heat receiving operation of the...
7128036 Autochoke controller  
An auto-choke control device maintains good startability at the time of restarting at high temperature without need of a thermostat specific for an auto-choke. An engine temperature detection...
7128035 Method and apparatus for engine torque disturbance reduction during cranking  
An internal combustion engine's start-up torsional disturbances are reduced by drawing down intake manifold pressure prior to engine cranking. In a preferred arrangement, a secondary air injection...
7120534 Idle regulating valve control system for engine  
An engine has a fuel injection system and an idle regulating control valve. The idle regulating valve is initialized upon engine shut down by closing to a fully closed position such that a...
7118097 Device for controlling choke valve of carburetor  
A device for controlling a choke valve of a carburetor for an engine includes: a choke closed state hold device for holding, in a closing position, a choke lever urged by a spring in a direction...
7117846 Throttle control apparatus  
To avoid interference of control wires and make a throttle control apparatus to be compact, the apparatus is structured such that a drive lever is mounted on one end of a throttle valve shaft...
7117834 Automatic choke  
A choke valve is controlled finely suited to the running state of an engine. A throttle valve 8 and a choke valve 9 are provided in series on an intake pipe 6 , and the opening degree of the...
7097163 Device for controlling choke valve of carburetor  
A device for controlling a choke valve of a carburetor for an engine, includes a choke closed state hold device for holding, in a closing position, a choke lever connected to the choke valve of a...
7080626 Intake mixture motion and cold start fuel vapor enrichment system  
An engine system includes an engine having an intake manifold, a cylinder and an intake mixture motion system. The intake mixture motion system includes a plate disposed upstream of the cylinder...
7077099 Direct injection type internal combustion engine  
In a starting time in which an air motion is little, a means for heightening the motion is added, from the starting time a stratification combustion operation is enabled to carry out, and a...
7055483 Quick starting engine with electromechanical valves  
A system and method to control engine valve timing so that an internal combustion engine may be quickly started. Electromechanical valves are controlled to allow an engine to start with reduced...
7040304 Method for operating an internal combustion engine  
A method for operating an internal combustion engine, simplifying a direct start after an engine shutdown. A compressor is provided for compressing the fresh air supplied to an internal combustion...
7040271 Method for making it easier to start an internal combustion engine  
In a method for making it easier to start an internal combustion engine having at least one cylinder in which there is at least one piston which is intended to execute an oscillating motion between...
6990940 Engine starting device and saddle-type traveling vehicle  
An engine starting device includes an air-intake flow channel in which air sucked by an engine flows. A throttle valve is provided in the air-intake flow channel for controlling airflow. An air...
6988477 Control apparatus for an internal combustion engine and control method thereof  
An engine is cranked by a motor generator at a start time of the engine. An engine ECU opens an intake valve or an exhaust valve during a compression stroke using a valve control mechanism during a...
6971357 Method for preparing an internal combustion engine for starting  
The invention relates to a method for improving the initial conditions for starting a direct injection, spark-ignition internal combustion engine. Measures, such as adjusting the throttle valve, a...
6957633 Carburetor for two-cycle engine  
An interlocking lever having first and second cam faces is mounted on a throttle valve stem, and a throttle valve is arbitrarily opened to perform start-up in a state in which the first cam face...
6932058 Carburetor arrangement for an internal combustion engine  
A carburetor arrangement is provided for an internal combustion engine that is to be started with a pull cord. A fuel channel that is connected with a fuel-filled storage space opens into and...
6925979 Method of operating a multicylinder internal combustion engine  
A method for the operation of a multi-cylinder internal combustion engine with intake and exhaust valves and at least one braking valve for each cylinder, the braking valves being connected to a...
6886518 Retainer for release member  
A retainer retains a release member for engine valves of an internal combustion engine. The release member causes an engine valve to be actuated depending on various operating conditions of the...
6886515 Apparatus for controlling internal combustion engine equipped with variable valve timing control device  
An apparatus for controlling an internal combustion engine equipped with a variable valve timing control device includes the variable valve timing control device for restricting a relative rotation...
6879905 Apparatus and a method for controlling an engine  
Engine cranking control is ended when it is detected that the battery voltage for driving the starter is lowered to at least as low as a starter drive judgment value and thereafter, returns to at...
6874457 Vacuum release mechanism  
An internal combustion engine having a centrifugally-responsive vacuum release mechanism that relieves a vacuum within a combustion chamber during the expansion stroke of an engine at engine...
6871623 Working machine having a single operation unit  
The present invention provides a working machine having an internal combustion engine. The working machine includes a single operation unit comprised of a rotatable body adapted to be selectively...
6848405 Self-relieving choke starting system for a combustion engine carburetor  
A self-relieving choke starting system for a carburetor of a combustion engine has an elongated cammed latch which projects radially outward from a rotating shaft of a choke valve located in an...
6830023 Electromagnetic choke system for an internal combustion engine  
An engine starting system that includes a power source, an electromagnetic coil and core, and a choke valve disposed in an air intake of an air/fuel-mixing device of an internal combustion engine....
6823849 Fuel injection system and control method for internal combustion engine starting time  
In an internal combustion engine including a plurality of cylinders, a fuel injection system and method sets an amount of fuel injected into each cylinder sequentially in a first cycle of fuel...
6805098 Apparatus and a method for controlling an engine  
An invention that judges whether an engine is being cranked by a starter based on the conditions that a prior cranking control has ended, the engine rotates at or less than a limit rotation...
6782861 Vacuum release mechanism  
An internal combustion engine having a centrifugally-responsive vacuum release mechanism that relieves a vacuum within a combustion chamber during the expansion stroke of an engine at engine...
6769388 Internal combustion engine intake control apparatus and methods  
An intake control apparatus and methods that include an intake control valve disposed in an intake pipe of an internal combustion engine downstream of a throttle valve. From the start-up to the...
6752110 Electromechanical choke system for an internal combustion engine  
An engine starting system for an internal combustion engine. The starting system includes a starter switch electrically connected between a battery and a starter motor for the engine, and a choke...
6722334 Method and device for automatic starting of a diesel engine  
The invention relates to a method and a device for automatic starting of a diesel engine, actuation of the ignition key ( 1 ) initiating preheating ( 2 ) and turnover of the engine by the starter (...
6694937 Engine starting system for motorcycle  
A hot starter cable extends from a hot starter valve and an end of the hot starter cable is connected to a hot starter lever provided in the vicinity of a handle so that the hot starter valve can...
6655335 Small engine for power tools  
A small engine for outdoor power equipment wherein fuel is pumped to the engine's combustion chamber by a reciprocating piston. A desired rate of reciprocation is determined with the engine under...
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