Patent application number | Description | Published |
20120001533 | SPARK PLUG AND ITS MANUFACTURING METHOD - A spark plug includes an insulator, a center electrode, a metal shell, a ground electrode, and a noble metal tip joined to at least one of the two electrodes. The noble metal tip is joined to the electrode via a melt portion formed by using a laser or electron beam from a side surface of the noble metal tip. In a predetermined section, including a central axis of the noble metal tip, ¾ or more of one end face of the noble metal tip is joined to the electrode. When the thickness of the melt portion is taken to be TX (mm), and the length in a direction of irradiation with the laser beam is taken to be LX (mm), TX and LX satisfy 1.5≦LX/TX, and an angle αX or angle αY, formed by two predetermined straight lines, satisfies −15≦αX (αY)≦25. | 01-05-2012 |
20130200773 | SPARK PLUG - In a spark plug, a fusion zone where a ground electrode and a noble metal tip are fused together is formed in at least a portion of an interfacial region between the ground electrode and the noble metal tip. When the fusion zone is projected in the axial direction, the projected fusion zone overlaps 70% or more of the area of the noble metal tip. As viewed on a section which passes through the center of gravity of the noble metal tip and is perpendicular to the longitudinal direction of the ground electrode, the relational expression 1.3≦B/A is satisfied, where A is the greatest thickness of the fusion zone along the axial direction, and B is the length from a portion having the greatest thickness of the fusion zone to the inner end of the fusion zone. | 08-08-2013 |
20130278133 | SPARK PLUG AND METHOD OF MANUFACTURING THE SAME - A spark plug includes: a rod-shaped center electrode extending in an axial direction; an insulator including a shaft hole that holds the center electrode inside of the shaft hole; a metal shell surrounding and holding a part of the insulator; and a ground electrode including a base end welded to the metal shell. The metal shell and the ground electrode are joined via a fusion portion formed by welding the ground electrode and the metal shell together. When the smallest thickness of the fusion portion in the axial direction is A, when, in a cross section that includes a center line of the ground electrode and is parallel to the axis, a length of a ground-electrode-side melted boundary formed between the fusion portion and the ground electrode is B, and when the ground electrode thickness is C, conditions of A≧0.2 mm and B >C are satisfied. | 10-24-2013 |
Patent application number | Description | Published |
20150084687 | TOUCH SWITCH MODULE - A touch switch module according to one embodiment comprises a panel, a touch sensor and a control unit. The panel displays a slide bar including a step-up portion, a step-down portion, a non-responsive portion and a slide responsive portion. The control unit includes an up signal output unit which, when a short touch which is the touch for a short time is performed on the step-up portion, outputs an up signal for raising an operating condition of the electrical equipment by one level per short touch, a down signal output unit which, when the short touch is performed on the step-down portion, outputs a down signal for lowering the operating condition of the electrical equipment by one level per short touch, and an output forbidding unit which, when the touch is performed on the non-responsive portion, forbids the output of the operation signal. | 03-26-2015 |
20150084896 | TOUCH SWITCH MODULE - A touch switch module according to one embodiment comprises a panel, a touch sensor and a control unit. The control unit includes a touch time detecting unit, a comparing unit, an output unit and an output forbidding unit. The touch time detecting unit detects touch time for which a touch is performed. The comparing unit compares the touch time with a predetermined threshold. The output unit outputs an operation signal when the touch time is the threshold or more. The output forbidding unit forbids output of the operation signal when the touch time is less than the threshold. The touch includes successive touches performed in succession in a short time period, and a single touch performed at one time. The threshold includes a successive touch threshold and a single touch threshold. The successive touch threshold and the single touch threshold are different from each other. | 03-26-2015 |
20150089441 | TOUCH SWITCH MODULE - A touch switch module according to one embodiment comprises a panel, a touch sensor and a control unit. The panel displays a slide bar. The control unit includes a slide velocity detection unit that detects a slide velocity which is a change over time in sliding when the touch moves along the slide bar and an operation information switching unit that compares the slide velocity with a predetermined threshold, that outputs first operation information as the operation information when the slide velocity is below the threshold, and that outputs second operation information that is different from the first operation information as the operation information When the slide velocity is equal to or higher than the threshold. | 03-26-2015 |
Patent application number | Description | Published |
20120215423 | CONTROL DEVICE FOR MULTI-CYLINDER INTERNAL COMBUSTION ENGINE EQUIPPED WITH VARIABLE COMPRESSION RATIO MECHANISM - A control device for a multi-cylinder internal combustion engine that is equipped with a variable compression ratio mechanism includes an air-fuel ratio sensor, and a controller that determines whether or not actual mechanical compression ratios in cylinders of the internal combustion engine are uniform. The controller controls the variable compression ratio mechanism by decreasing a target mechanical compression ratio from a current first target mechanical compression ratio to a second target mechanical compression ratio without changing the amount of intake air and a fuel injection amount, and determines that the actual mechanical compression ratios in the cylinders are not uniform when the target mechanical compression ratio is set at the first target mechanical compression ratio if the differences in the output air-fuel ratios from the air-fuel ratio sensor for exhaust gases from the cylinders before and after the control of the variable compression ratio mechanism are not uniform. | 08-23-2012 |
20120279476 | SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE - An internal combustion engine which is provided with a variable compression ratio mechanism which can change a mechanical compression ratio and a variable valve timing mechanism which can control a closing timing of an intake valve. A target operating point which can be reached after a fixed time without entering no-entry regions from the current operating point toward an operating point which satisfies the demanded intake air amount is calculated for an operating point which shows a combination of the mechanical compression ratio and the closing timing of the intake valve when the demanded intake air amount changes, and the mechanical compression ratio and the closing timing of the intake valve are made to change toward this target operating point. | 11-08-2012 |
20120304968 | SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE - An internal combustion engine which is provided with a variable compression ratio mechanism which can change a mechanical compression ratio and a variable valve timing mechanism which can control a closing timing of an intake valve. No-entry regions (X | 12-06-2012 |
20150128911 | INTERNAL COMBUSTION ENGINE PROVIDED WITH VARIABLE COMPRESSION RATIO MECHANISM - This internal combustion engine is provided with a variable compression ratio mechanism capable of changing a mechanical compression ratio by changing the volume of the combustion chamber at the top dead center. The pressure and temperature of remaining combusted gas within the combustion chamber at the time when the exhaust valve is closed in the intake stroke is measured or estimated, the pressure and temperature of intake air supplied into the combustion chamber after the exhaust valve is closed in the intake stroke is measured or estimated, and based on the assumption that the pressure and temperature of the remaining combusted gas which saturates the volume of the combustion chamber at the time when the exhaust valve is closed in the air intake stroke become, when the intake air is supplied to the combustion chamber, equal to the pressure and temperature of the intake air, the volume of the remaining combusted gas after the change is calculated. | 05-14-2015 |
20150136092 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An object of this invention is to appropriately control the valve timing (VT) even in a case where a plurality of local maximum points or local minimum points exist on a characteristic line representing a relation between the VT and an air amount. An engine | 05-21-2015 |
20150152804 | INTERNAL COMBUSTION ENGINE CONTROL DEVICE - This invention has an object to enable update of learning values of a large number of grid points in one session of a learning operation and also to easily adjust learning speed and efficiency in a wide learning region. | 06-04-2015 |
20150159546 | CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE EQUIPPED WITH TURBO SUPERCHARGER - An object of the present invention is to improve controllability over a supercharging pressure in a transient state, in a control device of an internal combustion engine equipped with a turbo supercharger that determines a manipulated variable of an actuator which acts on a rotational speed of a turbine by feedback control based on a deviation between a target state quantity and an actual state quantity. To this end, a control device according to the present invention determines an opening degree of a throttle by feedforward control based on a target intake air amount, and determines a manipulated variable of the actuator by feedback control based on a deviation between a target intake pressure determined from the target intake air amount and an actual intake pressure. | 06-11-2015 |
20150184606 | CONTROL APPARATUS FOR SUPERCHARGED ENGINE - It is an object of the invention to enhance the possibility of realizing a required torque in a supercharging region where scavenging occurs in a control apparatus for a supercharged engine. In order to achieve this object, the control apparatus for the supercharged engine according to the invention determines an operation amount of an intake valve driving device from a target in-cylinder air amount that is calculated from a required torque, and determines an operation amount of a throttle from a target intake valve passing air amount that is obtained by adding an amount of air blowing through an interior of a cylinder to the target in-cylinder air amount. | 07-02-2015 |
20150275782 | CONTROL DEVICE FOR ENGINE EQUIPPED WITH SUPERCHARGER - An object of the present invention is to calculate an estimated value of an amount of air blowing through an inside of a cylinder by scavenging that occurs in an engine equipped with a supercharger, that is, a scavenging amount. For this purpose, a control device of an engine equipped with a supercharger according to the present invention calculates an estimated value of an intake valve passing air amount from a measured value of an intake air amount, and calculates an estimated value of an in-cylinder air amount from a measured value or an estimated value of intake pipe pressure. From a difference between the estimated value of the intake valve passing air amount and the estimated value of the in-cylinder air amount, the estimated value of the scavenging amount is calculated. | 10-01-2015 |