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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8047181 | Speed and position sensing device for EMD two-cycle diesel engines A device is disclosed for sensing the speed of an EMD 567/645/710 two-cycle diesel engine having a crankcase, electronic fuel injectors and an electronic control system for controlling the electronic fuel injectors. The device includes a spline shaft sized for inser... | 11/01/2011 |
| 8015962 | Aircraft engine crankshaft position and angular velocity detection apparatus A crankshaft detection system includes a pickup element mounted to an end of a crankshaft and disposed within a rear portion of the aircraft engine's crankcase. The crankshaft detection system also includes pickup element sensor secured to a mounting location formed... | 09/13/2011 |
| 7637249 | Fuel injection control device for internal combustion engine A fuel injection control apparatus is provided with a fuel injection nozzle, a crank angle detector, a timer, and a control computer. The crank angle detector outputs a pulse signal corresponding to each tooth portion of a signal rotor and a pulse signal correspondi... | 12/29/2009 |
| 7568466 | Control system and timing rotor for multi-cylinder internal combustion engine An angular interval between a piston top dead center of one of two cylinders of an engine and a piston top dead center of the other one of the two cylinders is not a quotient of 360° CA divided by an integer number. A timing rotor is rotated synchronously with a cr... | 08/04/2009 |
| 7552714 | Ignition device for an internal combustion engine and method for its operation An ignition device for a motor unit with an internal combustion engine provided with a piston, a combustion chamber with a spark plug, a crankshaft driven by the piston, an intake port supplying combustion air to the combustion chamber, an exhaust for removing combu... | 06/30/2009 |
| 7516732 | Method for detecting the beginning of combustion in an internal combustion engine A method detects the beginning of combustion in an internal combustion engine (1) having several cylinders (2, 3, 4, 5), form a rotation speed signal determined for a shaft (6) of the engine (1). A segment signal (SS), whose signal length... | 04/14/2009 |
| 7370517 | Method of operating an internal combustion engine by determining angular positions of a crankshaft and camshaft A method of operating an internal combustion engine in a motor vehicle has the steps of determining angular positions of a crankshaft and a camshaft from signals of two detecting devices, monitoring a relative angular position of one of the shafts relative to the ot... | 05/13/2008 |
| 7360527 | Method for operating an internal combustion engine A method for operating an internal combustion engine, particularly of a motor vehicle, is described. The engine has a number of cylinders (Z1, Z2, Z3, Z4), and in each of the cylinders (Z1, Z2, Z3, Z4), one mov... | 04/22/2008 |
| 7325528 | Method of operating a single cylinder two-stroke engine The invention is directed to a method for operating a two-stroke engine having a cylinder in which a combustion chamber is formed and which includes devices for metering fuel and supplying combustion air as well as an ignition device for igniting a mixture in the co... | 02/05/2008 |
| 7275509 | Method for engaging the starter pinion of a starter with the starter ring gear of an internal combustion engine during the running-down of the internal combustion engine A method is provided for engaging a starter pinion of a starter with a starter ring gear of an internal combustion engine during the running-down of the internal combustion engine, which internal combustion engine has an arrangement for determining rotational speed ... | 10/02/2007 |
| 7254991 | Method for determining the rotation angle position of the camshaft of a reciprocating-piston engine in relation to the crankshaft In a method for adjusting the rotation angle position of the camshaft of a reciprocating-piston engine in relation to the crankshaft in which the crankshaft is in drive connection with the camshaft via an actuating gear, which is designed as a three-shaft gear havin... | 08/14/2007 |
| 7240481 | Engine load control for reduced cold start emissions A control system for an engine that drives an alternator includes a first module that reduces an alternator load when the engine is cranked. A second module determines a desired exhaust energy rate (EER) of the engine. The first module regulates the alternator load ... | 07/10/2007 |
| 7194898 | Stroke determination unit and method of measuring stroke in a multi-cylinder four-cycle engine A stroke determination unit for a 4-cycle engine uses intake pressure as a parameter to provide accurate stroke determination. A combined pressure combines the detected pressures of intake ports of the first to third cylinders, and stroke determination is carried ou... | 03/27/2007 |
| 7188021 | Angular position sensor-based engine controller system An engine controller system employs angular position sensors which are operable to very accurately determine the position of rotating engine members. Information about the angular position of the engine members is used to alter operation of the engine for improved e... | 03/06/2007 |
| 7171925 | Method for reversing the direction of rotation of a two-stroke engine A method for reversing the direction of rotation of a two-stroke engine whose rotational speed and crank mechanism position are sensed by a sensor system. To reverse the direction of rotation of the engine, the ignition and/or the fuel supply is first switched off, ... | 02/06/2007 |
| 7171950 | Method and device for determining the pressure in the combustion chamber of an internal combustion engine, in particular a spontaneous ignition engine, for controlling fuel injection in the engine A method is described for controlling fuel injection in an spontaneous ignition engine equipped with an electronically controlled fuel injection system and with an electronic control unit receiving engine quantities comprising the pressure in the combustion changer ... | 02/06/2007 |
| 7167793 | Engine position correction A method for improving engine position sensing of an internal combustion engine is described. According to one aspect of the description, the determination of engine position may be improved by correcting rotational position of the internal combustion engine at a nu... | 01/23/2007 |
| 7159571 | Method for detecting reverse rotation for internal combustion engines In a method for detecting reverse rotation when starting an internal combustion engine having a sensor disk which is coupled to a crankshaft of the engine, the sensor disk having a marking via an alternating arrangement of teeth and tooth spaces, and a first sensor ... | 01/09/2007 |
| 7116096 | Vehicle direction detection using tone ring A tone ring preferably for use in a braking system of a vehicle has a first pattern of excitation indicative of speed of rotation of the tone ring, and a second pattern of excitation including frequency variations that is indicative of direction of rotation of the t... | 10/03/2006 |
| 7077785 | Clutch connection/disconnection detection system for single-cylinder engine To detect with high accuracy the connection/disconnection of a clutch intermediately provided between a crankshaft of a single-cylinder engine and a power transmission for transmitting the output of the crankshaft. The rotation variation coefficient of a crankshaft ... | 07/18/2006 |
| 7076361 | Engine crankshaft position recognition and tracking method applicable to cam and crankshaft signals with arbitrary patterns A method and system for providing data representing crankshaft position. For each rising edge of the crankshaft signal, a position value and a factor value are stored in a look-up table. Cam and crankshaft signals are used to locate an initial crankshaft position. T... | 07/11/2006 |
| 7059300 | Ignition control apparatus for internal combustion engine An ignition control apparatus for an internal combustion engine for preventing ignition control upon occurrence of rotation reversal of the engine includes a rotation sensor (3) disposed in opposition to projections (11, 12) of a rotor (1), and ... | 06/13/2006 |
| 7047956 | Kickback preventing device for engine A number of embodiments of ignition systems wherein reverse rotation also known as kickback is detected particularly upon engine starting and stopped until the condition has been cleared and forward running is assured. ... | 05/23/2006 |
| 7040286 | Engine control system and method An engine control system for an internal combustion engine and a method of programming is provided. The engine control system has a rotation sensing system, an intelligent controller connected to the rotation sensing system for calculating at least one of a cylinder... | 05/09/2006 |
| 7032440 | Engine rotation information detection device An engine rotation information detection device including: a generator that rotates in synchronization with an engine to output an AC voltage; a pulse signal generator that detects reluctors of a rotor having many reluctors and one reluctor missing portion to genera... | 04/25/2006 |
| 7027908 | Method and device for controlling an internal combustion engine on a vehicle A method and a device for controlling an internal combustion engine of a vehicle, in which a performance quantity of the internal combustion engine or of the vehicle is limited to a predefined limit value. For the limiting, a control of the air supply to the interna... | 04/11/2006 |
| 7020554 | Method of regulating or controlling a cyclically operating internal combustion engine A method of regulating or controlling a cyclically operating internal combustion engine using a computation model by which the cycle or portions of the cycle of the internal combustion engine is, or are, divided into individual parts and the operating condition with... | 03/28/2006 |
| 7013719 | Device for identifying crank angle of engine The present invention includes first signal set determining means 35 for determining a signal set to be a first signal set when determination by first determining means 33 of a crank angle detecting signal determining means for every one rotation and d... | 03/21/2006 |
| 7004134 | Engine generator A positioning pin is knocked onto a crankshaft of an engine and a key way is formed in a boss of a first flywheel. When an outer rotor type generator is connected with the engine, the boss of the first flywheel is fitted over the crankshaft so as to adjust the posit... | 02/28/2006 |
| 7000598 | Bumpless crankshift position sensing Disclosed herein are methods of generating an active crank series of signals that is derived from at least two series of signals, wherein one or both of the series of signals have been modulated to produce two series of signals that resemble each other. Also disclos... | 02/21/2006 |
| 6999869 | Programmable internal combustion engine controller A computerized 2 and 4 cycle internal combustion engine control and optimization/tuning system is disclosed, wherein fuel injector control is optimized to increase horsepower and fuel economy. The system is comprised of an on-board engine controller with communicati... | 02/14/2006 |
| 6990954 | Method, device and computer program for controlling an internal combustion engine A method and an arrangement as well as a computer program for controlling an internal combustion engine are suggested. A torque model is utilized in the context of the computation of actual quantities and/or actuating quantities. In the context-of the torque model c... | 01/31/2006 |
| 6968269 | Engine control device To detect a stroke reliably at the time of the start of the engine when a stroke cannot be detected based on crank pulses alone. A stroke is detected based on a difference ΔN between the engine rotational speeds at top and bottom dead centers and a flag F | 11/22/2005 |
| 6955145 | Methods and apparatus for receiving excessive inputs in a VCT system A method that provides increased flexibility to measure dynamic range of a rotating system is provided. The method includes the steps of: providing a first rotating member; providing a second rotating member suitably engaged to the first rotating member; providing a... | 10/18/2005 |
| 6932037 | Variable CAM timing (VCT) system having modifications to increase CAM torsionals for engines having limited inherent torsionals In a variable cam timing (VCT) system that has a crank shaft coupled to at least one cam shaft. The system has at least one timing gear associated with the crank shaft or a cam shaft. The timing gear includes at least two groups of toothlike projections including a ... | 08/23/2005 |
| 6922627 | Detection of engine rotation speed in spark ignition internal combustion engine A spark ignition internal combustion engine (2) performs ignition within a fixed ignition crank angle range. The operation control device comprises a programmable controller (1) and a unit crank angle sensor (9) outputting a unit crank angle sig... | 07/26/2005 |
| 6907341 | Misfire detector A misfire detector is provided that is accurate even in the case of a disturbance due to causes such as driving on a rough road. The misfire detector is equipped with a crankshaft revolution detector to measure the time period required for the crankshaft of an inter... | 06/14/2005 |
| 6874473 | Engine cycle recognition for fuel delivery Piston stroke recognition methods for small internal combustion engines, such as single and two cylinder engines, in which the ignition-related trigger pulses corresponding to the engine cylinders are the only input signal used for stroke recognition. ... | 04/05/2005 |
| 6836219 | Method for synchronizing at least two control devices A sensor device having an incremental encoder and a measuring sensor generating a measuring signal is assigned to two control devices. A synchronization device generates a synchronization signal. A conditioned first measuring signal is generated in the first control... | 12/28/2004 |
| 6827063 | Method and device for establishment of a signal pattern based on crank angle of internal combustion engine For the establishment of a crank-angle based signal pattern with high discrimination representing a relevant working characteristic of an internal combustion engine, the working characteristic is detected with high time discrimination and with the aid of a time-base... | 12/07/2004 |
