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| Number | Title | Issue Date |
| 8176888 | Method for starting a mixed fuel engine A method for improving starting of an engine that may be operated with fuels having varying alcohol concentrations is presented. In one embodiment, the method adjusts a compression ratio of an engine in response to a number of combustion events after an engine stop ... | 05/15/2012 |
| 7984703 | Decompression mechanism A decompression mechanism provided in a valve operating system configured to drive a valve for opening and closing a port, includes an accommodating member provided in the valve operating system; a decompression member which is accommodated in the accommodating memb... | 07/26/2011 |
| 7886707 | Decompressor for internal combustion engine A decompressor for an internal combustion engine that is capable of preventing the dropping-off of the decompression shaft during maintenance work includes a falling-off prevention pin inserted into a pin insertion hole having an opening to the outer circumferential... | 02/15/2011 |
| 7762226 | Method for adjusting a camshaft of an internal combustion engine and internal combustion engine with an adjustable camshaft A method for adjusting a camshaft of an internal combustion engine during a stop phase and during a subsequent new startup phase of the internal combustion engine. Such methods are used, in particular, in so-called start-stop designs for combustion engines. The cams... | 07/27/2010 |
| 7726271 | Engine with decompression device To suppress the overall length of a camshaft including the length of a decompression device provided in an engine and also to suppress an increase in number of parts of the decompression device, an engine includes a decompression device having a decompression weight... | 06/01/2010 |
| 7699035 | Compression release mechanism A compression release assembly is disclosed, the assembly including a camshaft rotatable about a camshaft axis, a trigger rotatable about a trigger axis substantially perpendicular to the camshaft axis, and a spring position between the trigger and the camshaft. Pre... | 04/20/2010 |
| 7681547 | Method for reducing torque required to crank engine in hybrid vehicle A method of operating a hybrid powertrain system is provided for a vehicle that includes an internal combustion engine having an engine output to drive the vehicle and a motor having a motor output to drive the vehicle. The motor is operatively connected to the engi... | 03/23/2010 |
| 7621247 | Decompression apparatus and internal combustion engine having the same A decompression apparatus includes a plunger and a decompression shaft. The plunger is provided in a plunger hole formed in a cam shaft which is configured to move an engine valve of an internal combustion engine. The plunger is movable in the plunger hole between a... | 11/24/2009 |
| 7552706 | Automatic decompression mechanism for an engine An automatic decompression mechanism for selectively actuating a cylinder valve of an engine so as to reduce the starting force required to start the engine. The mechanism includes a cam gear, a centrifugal member, and a cover member comprising an integrally formed ... | 06/30/2009 |
| 7412954 | Start-up control for internal combustion engine An internal combustion engine (101, 601, 901) alters an effective compression ratio from an effective compression ratio for a start-up operation to a larger effective compression ratio for a normal operation when an engine rotation speed (NE) increases beyond... | 08/19/2008 |
| 7363886 | Power unit To achieve improved cooling in a power unit, a first fan is coupled with an end of a crankshaft of an internal combustion engine to cool at least a cylinder of the internal combustion engine, and a second fan is coupled with another end of the crankshaft to cool at ... | 04/29/2008 |
| 7349796 | Apparatus and method for judging a piston position in an engine Detection of which of a plurality of reference angle positions a crankshaft of an engine arrives at is executed to subsequently determine a crank angle region in which an output pattern of a cam angle signal is determined, based on which of the plurality of referenc... | 03/25/2008 |
| 7341035 | Device and method for controlling an internal combustion engine The invention relates to a method and a device (1) for controlling an internal combustion engine upon starting, having a detection means (420) which detects operating parameters of the engine, in which a calculation means (410), taking the detec... | 03/11/2008 |
| 7328678 | Mechanical compression and vacuum release mechanism Mechanical compression and vacuum release mechanisms for internal combustion engines. The compression and vacuum release mechanism may include a pair of centrifugally responsive flyweights pivotally mounted to the cam gear. One of the flyweights actuates a vacuum re... | 02/12/2008 |
| 7316221 | Valve system of V-type engine A valve system of a V-type engine in which a camshaft provided in each bank is formed with valve cams that open and close engine valves and a pump cam for driving a fuel pump, the phase of the pump cam relative to the valve cams is set such that the crank angle at w... | 01/08/2008 |
| 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 combustion cylinder. At intake timing of the other cylinders which contribu... | 10/30/2007 |
| 7281509 | Internal combustion engine system and starting method of internal combustion engine The start control procedure of the invention lags an open-close timing VVT of an intake valve, restricts a throttle opening TH of a throttle valve, and starts cranking an engine with a lower torque Tlow. When a pressure Pf of a fuel supplied to in-cylinder fuel inje... | 10/16/2007 |
| 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 around a recoil pulley, routed at least partially around a portion of a ... | 10/02/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7270094 | Control apparatus for electric variable valve actuation mechanism An electric variable valve timing mechanism and a starter are actuated by electricity supplied from a common battery. During an engine starting process, the starter is actuated, and an electronic control unit controls the electric variable valve timing mechanism. Th... | 09/18/2007 |
| 7263960 | Engine decompression system An engine decompression system that can secure a projecting height of a decompression cam from a base face of a valve operating cam to be relatively large in an engine starting rotational region, and maintain a state in which the projection height is decreased in a ... | 09/04/2007 |
| 7261077 | Decompressor and vehicle An engine decompressor includes a decompressor pin provided through a pin hole on the surface of a valve cam, a decompressor pin operating shaft in an oil passage provided in a valve cam shaft of the valve cam for vertically moving the decompressor pin by its rotati... | 08/28/2007 |
| 7258099 | Internal combustion engine control method Satisfactory restartability has not been obtained so far because the timing of opening an exhaust valve of a cylinder under expansion stroke is adjusted for improvement of startability and a valve adjusting mechanism is always controlled in the same manner regardles... | 08/21/2007 |
| 7228832 | Internal combustion engine with translatable camshaft An internal combustion engine having a camshaft which is translatable between first and second positions to control an engine operating characteristic. The camshaft is rotationally driven from the engine crankshaft, and includes an oil pump member in fluid communica... | 06/12/2007 |
| 7216619 | Engine decompression mechanism An engine features a decompression mechanism that extends through a bore formed in a camshaft. The mechanism has an actuator that is formed of multiple shafts. The shafts are joined in the region of a decompression pin. The actuator rotates relative to the camshaft ... | 05/15/2007 |
| 7210440 | Camshaft assembly A camshaft assembly includes an inner shaft, an outer tube surrounding and rotatable relative to the inner shaft, and two groups of cam lobes mounted on the outer tube. The first group of cam lobes is fast in rotation with the outer tube and the second group is rota... | 05/01/2007 |
| 7191747 | Method for starting an internal combustion engine The description relates to a method for starting a direct-injection internal combustion engine equipped with an engine management system and having n cylinders, in which n pistons oscillate between a top dead center (TDC) and a bottom dead center (BDC), and a cranks... | 03/20/2007 |
| 7185615 | Variable stroke engine A variable stroke engine includes a connecting rod having one end thereof connected to a piston via a piston pin. A sub-rod is connected to a crankshaft via a crankpin and to the other end of the connecting rod. A control rod has one end thereof connected to the sub... | 03/06/2007 |
| 7174871 | Mechanical compression and vacuum release mechanism Mechanical compression and vacuum release mechanisms which are of simple construction and which significantly reduce the effort required to start an internal combustion engine. In several embodiments, the compression and vacuum release mechanisms include a centrifug... | 02/13/2007 |
| 7171980 | Springless regulator valve assembly A valve assembly and a regulator for use therein are disclosed. The valve assembly includes a valve poppet having a first end having a first face and a second end having a second face. The first face has a surface area smaller than the surface area of the second fac... | 02/06/2007 |
| 7171930 | Rocker arm for valve actuation in internal combustion engines A rocker arm is disclosed for valve actuation in an internal combustion engine. The rocker arm includes at least two rotational axes which can be selected as desired to modify a relation between a force arm and a load arm. Control times and valve lift can thus be in... | 02/06/2007 |
| 7162985 | Two-cylinder V-type OHV engine for outboard motors A two-cylinder V-type OHV engine for outboard motors, which allows space saving in the direction of the width of the engine. A starboard side cylinder bank (RB) has a cylinder (34R) and a port side cylinder bank (LB) has a cylinder (34L). The first cyl... | 01/16/2007 |
| 7140340 | Decompression device for engine A return spring is constituted of a torsion spring, a spring part is held at a position different from that of a shaft part of a flyweight, and a free end portion of the return spring is hooked to a slide unit of the flyweight. The position of transmission of an urg... | 11/28/2006 |
| 7142973 | Engine control apparatus designed to ensure accuracy in determining engine position An engine control system is provided which is designed to estimate an angular position at which a crankshaft of an engine is expected to stop at a stop of the engine for use in determining the position of the crankshaft at a start of the engine which is to be employ... | 11/28/2006 |
| 7137375 | Decompression mechanism for engine A four stroke engine has a camshaft driven by a crankshaft. A decompression member is disposed on the camshaft. The decompression member is movable between a decompression position and a non-decompression position. A portion of the decompression member generally pla... | 11/21/2006 |
| 7131407 | Valve operating system for internal combustion engine A valve operating system includes: a decompression cam member that is provided on a camshaft, and moves between an operative position C where an exhaust tappet is operated in a valve opening direction in a compression stroke and an inoperative position D where the e... | 11/07/2006 |
| 7096841 | Start control apparatus of internal combustion engine A start control apparatus of an internal combustion engine comprises an ignition device for igniting an air-fuel mixture in a combustion chamber of the internal combustion engine, a start demanding device for demanding a start of the internal combustion engine, a st... | 08/29/2006 |
| 7073471 | Apparatus and method for improving engine performance A spark plug adapter allows for installation into the cylinder head of an internal combustion engine of an improved high-performance spark plug of configuration considerably different from that which the cylinder head was manufactured to accept. This is accomplished... | 07/11/2006 |
| 7064454 | Power generator system A power generator system incorporates a generator driven by an engine. A case houses the generator and the engine. A controller communicates with the engine so as to control the speed at which the engine drives the generator. A temperature sensor is disposed so as t... | 06/20/2006 |
| 7048083 | Motorcycle including a unique frame and drive unit A motorcycle including a frame having a backbone and engine carrier prevents the need for front support bars. The power plant is secured to the backbone and engine carrier and may be quickly removed. The power plant turns a hydraulic pump that transfers power to a h... | 05/23/2006 |
