Patent application number | Description | Published |
20090165581 | Ball screw device - In a ball screw device, a ball screw nut is rotated, causing a screw shaft to rectilinearly move in the axial direction, and the limit of the movement of the screw shaft is determined by a stopper. The ball screw device includes a hollow shaft that rotates together with the ball screw nut and in which the screw shaft is movably fitted. The hollow shaft is provided with a small diameter portion that exerts a dragging force on the screw shaft before the screw shaft reaches the limit, and a buffer layer is formed on a tip portion of the screw shaft. | 07-02-2009 |
20120116634 | SUSPENSION SYSTEM FOR VEHICLE - A suspension system is provided to execute a control for avoiding a state in which an operation of an electric motor which is a power source of an electromagnetic actuator is kept halted at a certain operational position while the motor is generating a motor force. Where a target rotational position of the motor becomes equal to a specific operational position (e.g., a rotational position at which an electrifying current amount of one phase reaches a peak value), a control for shifting the target rotational position by δθ is executed. Where the rotational position of the motor is kept located at the certain position for a time period longer than a prescribed time, a control for changing the rotational position of the motor is executed. | 05-10-2012 |
20120152053 | PEDAL DEVICE - A pedal device is provided with an accelerator pedal pivotally mounted in a vehicle; and a damper disposed between the accelerator pedal and the vehicle. The depressing force as a depression degree of the accelerator pedal is deter mined by the damper according to the movement of the accelerator pedal. Thus, the pedal device does not use friction members which create abrasion and the function thereof is not impaired even if exchange and maintenance are not carried out over a long period of time. Therefore, maintenance frequency and cost of the pedal device can be reduced. | 06-21-2012 |
Patent application number | Description | Published |
20090273147 | SUSPENSION SYSTEM FOR VEHICLE - In a system including four electromagnetic absorbers for respective four vehicle wheels, motor coils of two respective electromagnetic absorbers disposed corresponding to two diagonally located wheels are connected forming a closed loop including the coils. A generated damping force magnitude can be made different between an instance directions of respective movements of the diagonally located two wheels with respect to the vehicle body are the same, and an instance the directions are opposite each other. Each electromagnetic absorber includes a resistor cooperating with the corresponding coil forming a closed loop, and selectively establishes: a connected state in which one of the four coils and any of the other three coils are connected to form a closed loop; and a non-connected state in which the one of the four coils is not connected to any other coil. An appropriate vibration suppressing action is exhibited with respect to a coupled motion. | 11-05-2009 |
20100025946 | SUSPENSION SYSTEM FOR VEHICLE - It is an object of the invention to provide a suspension system configured to execute a control for avoiding a state in which an operation of an electric motor which is a power source of an electromagnetic actuator is kept halted at a certain operational position while the motor is generating a motor force. Where a target rotational position of the motor becomes equal to a specific operational position (e.g., a rotational position at which an electrifying current amount of one phase reaches a peak value), a control for shifting the target rotational position by δθ is executed. Where the rotational position of the motor is kept located at the certain position for a time period longer than a prescribed time, a control for changing the rotational position of the motor is executed. According to the present suspension system, it is possible to suppress imbalance in heat generation in the motor and to thereby reduce a load to be applied to the motor. Accordingly, a suspension system with high utility is realized. | 02-04-2010 |
20100200343 | ELECTROMAGNETIC SHOCK ABSORBER FOR VEHICLE - An electromagnetic absorber ( | 08-12-2010 |
20110025000 | SUSPENSION SYSTEM FOR VEHICLE - A suspension system for a vehicle, including: an electromagnetic actuator configured to generate an actuator force and including a sprung-side unit supported by a sprung portion, an unsprung-side unit supported by an unsprung portion, a screw mechanism, and an electromagnetic motor; a connecting mechanism including a support spring for permitting one of the sprung-side and unsprung-side units to be floatingly supported as a floating unit by a unit-floatingly support portion that is one of the sprung and unsprung portions by which the floating unit is supported; and a controller including a sprung-vibration-damping control portion and a relative-vibration-damping control portion that is configured to execute a relative-vibration damping control for damping a vibration of the floating unit caused by the structure in which the floating unit is floatingly supported by the support spring. | 02-03-2011 |
Patent application number | Description | Published |
20110315919 | PRODUCTION PROCESS FOR LITHIUM-BORATE-SYSTEM COMPOUND - A process is provided, process which makes it possible to produce lithium-borate-system materials by means of relatively simple means, lithium-borate-system materials which are useful as positive-electrode active materials for lithium-ion secondary battery, and the like, whose cyclic characteristics, capacities, and so forth, are improved, and which have better performance. The present production is characterized in that a divalent metallic compound including at least one member of compounds that is selected from the group consisting of divalent-iron compounds and divalent-manganese compounds, and boric acid as well as lithium hydroxide are reacted at 400-650° C. in a molten salt of a carbonate mixture comprising lithium carbonate and at least one member of alkali-metal carbonates that is selected from the group consisting of potassium carbonate, sodium carbonate, rubidium carbonate and cesium carbonate in a reducing atmosphere. | 12-29-2011 |
20120027926 | REFERENCE ELECTRODE, ITS MANUFACTURING METHOD, AND AN ELECTROCHEMICAL CELL - [PROBLEM] The purpose of the present invention is to provide a reference electrode which is easy to manufacture and handle, its manufacturing method, and an electrochemical cell using this. | 02-02-2012 |
20140011089 | POLYIMIDE PRECURSOR SOLUTION, POLYIMIDE PRECURSOR, POLYIMIDE RESIN, MIXTURE SLURRY, ELECTRODE, MIXTURE SLURRY PRODUCTION METHOD, AND ELECTRODE FORMATION METHOD - The invention addresses the problem of providing a polyimide precursor, a polyimide precursor solution, and a mixture slurry, each capable of more firmly binding active material particles to a current collecting body. The polyimide precursor solution according to the invention contains a tetracarboxylic acid ester compound, a diamine compound having an anionic group, and a solvent. The solvent dissolves the tetracarboxylic acid ester compound and the diamine compound. As the tetracarboxylic acid ester compound, a 3,3′,4,4′-benzophenonetetracarboxylic acid diester is particularly preferred. Examples of the “diamine compound having an anionic group” include 3,4-diaminobenzoic acid, 3,5-diaminobenzoic acid, and m-phenylenediamine-4-sulfonic acid. Further, the mixture slurry according to the invention contains active material particles in the polyimide precursor solution. | 01-09-2014 |
Patent application number | Description | Published |
20110200875 | SULFUR-MODIFIED POLYACRYLONITRILE, MANUFACTURING METHOD THEREFOR, AND APPLICATION THEREOF - Provided is a sulfur-modified polyacrylonitrile manufacturing method that is characterized in that a starting base powder that comprises sulfur powder and polyacrylonitrile powder is mixed and the mixture is heated in a non-oxidizing environment while outflow of sulfur vapor is prevented. Also provided are a cathode for lithium batteries that uses, as the active substance, the sulfur-modified polyacrylonitrile manufactured with the method, and a lithium secondary battery that includes the cathode as a component element. This enables the practical use of an inexpensive sulfur-based material as the cathode material for lithium secondary batteries, and in particular, a sulfur-based cathode material that enables higher output and has excellent cycle life characteristics, as well as other characteristics, and secondary lithium batteries using the same can be obtained. | 08-18-2011 |
20110291055 | PRODUCTION PROCESS FOR LITHIUM-SILICATE-SYSTEM COMPOUND - The present invention is one which provides a production process for lithium-silicate-system compound, the production process being characterized in that: a lithium-silicate compound being expressed by Li | 12-01-2011 |
20130029222 | POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY COMPRISING THAT POSITIVE ELECTRODE - To provide a sulfur-system positive electrode for lithium-ion battery, sulfur-system positive electrode which is good in the cyclability and the other characteristics, and a lithium-ion secondary battery including that positive electrode. | 01-31-2013 |
20130078519 | PRODUCTION PROCESS FOR LITHIUM-SILICATE-BASED COMPOUND - A production process for lithium-silicate-based compound according to the present invention is characterized in that: a lithium-silicate compound being expressed by Li | 03-28-2013 |
20130183584 | LITHIUM-SILICATE-BASED COMPOUND AND PRODUCTION PROCESS FOR THE SAME - A production process for lithium-silicate-based compound is characterized in that:
| 07-18-2013 |
20140050974 | SODIUM SECONDARY BATTERY - Because of being equipped with a positive electrode, a negative electrode and a sodium-ion nonaqueous electrolyte, and because the positive electrode includes a sulfur-based positive-electrode active material containing carbon (C) and sulfur (S), it is possible to inhibit sulfur from eluting out into electrolytic solution, thereby resulting in a sodium secondary battery that makes it feasible to undergo charging and discharging for 100 cycles or more reversibly. | 02-20-2014 |
20140127585 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, VEHICLE, AND PROCESS FOR PRODUCING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL - It is intended to provide a positive electrode active material, which contains a lithium silicate based compound and has superior conductivity, for nonaqueous electrolyte secondary battery, a process for producing the same, and a nonaqueous electrolyte secondary battery using the positive electrode active material. The lithium silicate based compound and a carbon material are mixed at 450 to 16000 rpm for 1 minute to 10 hours and then heated and pressurized at 500° C. to 700° C. at 1 to 500 MPa for 1 minute to 15 hours, thereby adhering the lithium silicate based compound and the carbon material to each other. | 05-08-2014 |
20140134485 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND NEGATIVE ELECTRODE AS WELL AS SECONDARY BATTERY USING THE SAME - A negative-electrode active material for secondary battery includes a sulfur-modified polyacrylonitrile. The sulfur-modified polyacrylonitrile includes a polyacrylonitrile, and sulfur being introduced into the polyacrylonitrile. | 05-15-2014 |
20140231721 | LITHIUM SILICATE-BASED COMPOUND, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY USING THE SAME - Provided is a novel lithium silicate-based material useful as a positive electrode material for lithium ion secondary battery. | 08-21-2014 |
20140332718 | LITHIUM SILICATE-BASED COMPOUND AND PRODUCTION PROCESS FOR THE SAME, POSITIVE-ELECTRODE ACTIVE MATERIAL AND POSITIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AS WELL AS SECONDARY BATTERY - A lithium silicate-based compound according to the present invention is expressed by a general formula, Li | 11-13-2014 |
20150017534 | RESIN COMPOSITION FOR LITHIUM ION CELL POSITIVE ELECTRODE - Disclosed is a resin composition for positive electrodes of lithium ion cells, which imparts strong adhesiveness and electrolyte injectability and shows good discharge and charge characteristics and input-output characteristics with smaller amount of a binder. The resin composition for positive electrodes of lithium ion cells is a resin composition for positive electrodes of lithium ion cells, which comprises a polyimide precursor whose average thermal linear expansion coefficient in the range of 20° C. to 200° C. after being imidized is 3 to 50 ppm, and/or a polyimide whose average thermal linear expansion coefficient in the range of 20° C. to 200° C. is 3 to 50 ppm, and a positive electrode active compound, wherein the positive electrode active compound is one obtained by coating the surface of a composite oxide containing lithium with a lithium ion conductive material. | 01-15-2015 |