Mitsubishi Denki Kabushiki Kaisha

Casio Computer Co., Ltd.

Toray Industries, Inc.

Nippon Steel & Sumikin Engineering Co., Ltd.

Mitsubishi Electric Corporation

Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Nippon Steel Engineering Co., Ltd.

Koji Nishimoto

Ryoichi Hanazaki

Shinji Watanabe

Masanobu Uchinami

Hitoshi Inoue

Mitsuyasu Kunihiro

Kouichi Yamane

Yuki Ninomiya

Takayuki Yano

Atsushi Watanabe

Shingo Yamaguchi

Toru Tanaka

Takahiro Tomida

Hajime Kako

Hideaki Tani

Takanori Fujimoto

Hiroshi Tsuchikura

Shuichi Wada

Nobuaki Yokoyama

Norio Matsumoto

Masaru Harada

Koji Sugano

Koichi Yamane

Yoshihiro Konno

Hisami Hasegawa

Shinsuke Yamazaki

Yoshinao Konishi

Naoya Wakita

Hideji Nakamura

Shinji Mieda

Takanori, Fujimoto

Shunsuke Kohzuki

Ryuji Nakamura

Naoki Shimada

Keiichiro Sakaigaki

Tadayuki Noro

Masato Sekiyama

A sliding seismic isolation device includes a structure fixation plate having a first sliding surface and a metallic slider having a second sliding surface contacting the first sliding surface. A friction member composed of a single-layer fabric is attached to the first sliding surface, the second sliding surface, or both of the first sliding surface and the second sliding surface. One of a warp and a weft is formed of multiple plied yarns into which high-strength fibers and PTFE fibers are twisted together and the other of the warp and the weft is formed of multiple high-strength fibers in the single-layer fabric. The single-layer fabric has a twill weave and is woven such that the plied yarns of the one forming the single-layer fabric are exposed at a surface opposite from the attachment side of the friction member more than the high-strength fibers of the other forming the single-layer fabric.

Sliding seismic isolation device

A sliding seismic isolation device includes an upper shoe and a lower shoe, the upper and lower shoes having sliding surfaces, and the sliding surfaces having curvatures; and a columnar steel slider disposed between the upper and lower shoes, the slider having an upper surface and a lower surface that are in contact with the upper and lower shoes, respectively, and have curvatures. A double-woven fabric layer is attached to each of the upper and lower surfaces of the slider via an adhesive layer, the double-woven fabric layer containing PTFE fibers and fibers with higher tensile strength than that of the PTFE fibers, and the PTFE fibers being arranged on sides of the sliding surfaces of the upper and lower shoes. A fluorine coat layer is disposed on a surface of the double-woven fabric layer, and a lubricating oil layer is disposed on a surface of the fluorine coat layer.

Provided is a high-performance sliding seismic isolation device with a slider that realizes a contact pressure of 60 MPa. The device includes an upper shoeand a lower shoe () having sliding surfacesandwith curvatures, respectively; and a columnar steel slider () disposed between the upper shoe () and the lower shoe (), the slider having an upper surfaceand a lower surfacethat are in contact with the upper and lower shoes, respectively, and have curvatures. The upper surfaceand the lower surfaceof the slider () have double-woven fabric layers () and (), respectively, each double-woven fabric layer containing PTFE fibers and fibers with higher tensile strength than that of the PTFE fibers, and the PTFE fibers being arranged on the sides of the sliding surfacesandof the upper shoe () and the lower shoe ().

A failure diagnostic apparatus is provided with an offset power source for offsetting a ground-side voltage of an air-fuel ratio sensor, an activation state judging unit for judging whether the air-fuel ratio sensor is active, a failure diagnosing unit for judging for a failure from an offset-added output signal of the air-fuel ratio sensor in a period when the activation state judging unit judges that the air-fuel ratio sensor is active, an input resistance switching unit for switching the level of an input signal from the air-fuel ratio sensor when the failure diagnosing unit has detected a failure in the air-fuel ratio sensor, and a failure state judging unit for determining a type of failure of the air-fuel ratio sensor on the basis of a voltage level obtained when the input resistance switching unit has switched the input signal level.

Failure diagnostic apparatus and method for an air-fuel ratio sensor

A control apparatus for an internal combustion engine can control an actual operating characteristic with high precision by shortening a response time thereof. The control apparatus capable of changing an actual phase angle of a camshaft by an OCV includes a crank angle sensor for detecting a crank angle of a crankshaft and generating a crank angle signal, an actual phase angle detection section for detecting the actual phase angle of the camshaft, an air flow sensor and a throttle position sensor for detecting an operating state of the engine, a target phase angle calculation section for calculating a target phase angle based on the operating state, and a phase angle feedback control section for calculating an operation amount to the OCV so as to make the actual phase angle coincide with the target phase angle. The phase angle feedback control section calculates the operation amount in synchronization with the crank angle signal.

Control apparatus for an internal combustion engine

A printer is connected to a portable communication terminal which is accessible to a server device on a network. The printer comprises an interface connected to the portable communication terminal, and an access device accessing to the server device by a circuit connection function of the portable communication terminal and downloading data registered in advance in the server device by the portable communication terminal.

Peripheral device, printing apparatus, data acquisition method, print support method, print support system, portable communication terminal, and printing method

It is an object of the present invention to provide an engine control apparatus for detecting a voltage abnormality caused in a power supply thereof at low cost. An engine control apparatus for controlling an engine, includes: power supply voltage detecting unit for detecting a power supply voltage of a battery mounted on a vehicle as a power supply, which supplies the engine control apparatus with power; backup power supply voltage detecting unit for detecting a backup power supply voltage of a backup power supply, which supplies the engine control apparatus with power from the battery via a different path; voltage difference calculating unit for calculating a voltage difference between the power supply voltage and the backup power supply voltage; and power supply voltage abnormality determining unit for determining that there is an abnormality in the power supply voltage when the voltage difference is not within a predetermined range.

Engine control apparatus

A pressure sensor device of an internal combustion engine includes: a pressure sensor detecting a pressure in an intake pipe of an internal combustion engine, a pressure sensor failure determination device determining a failure of the pressure sensor, an idle determination device detecting that an opening of a throttle adjusting an air quantity supplied to the internal combustion engine is in an idle position, and a pressure sensor output value control device limiting an output value from the pressure sensor for use in a fuel injection quantity control of the internal combustion engine to be not more than a predetermined value when the throttle opening is determined by the idle determination device to be in the idle position and when the pressure sensor is not determined as being in failure by the pressure sensor failure determination device. This pressure sensor device prevents the over-rich of fuel injection quantity.

Pressure sensor device of internal combustion engine

A misfire detecting device for an internal combustion engine including an ion current detecting means for detecting ion currents generated between electrodes of spark plugs; an ion current judging means for judging whether or not the ion current exists at each ignition cycle based on the ion current signal; a misfire judging means judging when no ion current is judged to exist based on an ion current judgment signal; an ignition coil; an ignition coil signal judging means for judging whether or not the ignition coil signal generated in synchronism with an ignition timing exists; and a failure judging means for judging whether or not an failure of the ion current detecting means occurs based on a result from the ignition coil signal judging means when the ion current signal is not detected.

Misfire detection device for internal combustion engine

A starting fuel injection control device for an internal combustion engine including a unit for estimating the starting ability of the internal combustion engine, a crank angle detecting unit for outputting a crank angle signal in synchronization with a specific crank angle position of each cylinder of the internal combustion engine and a cylinder discriminating unit for discriminating a reference crank angle of a specific cylinder. The device also includes a unit for simultaneously injecting fuel to all the cylinders before the completion of the cylinder discrimination at the starting time and a unit for starting the independent injection by turns separately for each cylinder in synchronization with the crank angle signal from the time just after the completion of the cylinder discrimination, and a unit for starting simultaneously injects fuel to another cylinder where intake is possible.

Starting fuel injection control device of internal combustion engine

When operating area detecting device detects an operating area that has a predetermined rotation number of below, flame-cut determination selecting circuitry determines the flame-cut on the basis of the logical product between a detection result of first flame-cut detecting device and a detection result of second flame-cut detecting circuitry.

Flame-cut detecting device for internal combustion engine

There are provided, various sensors for detecting the operating state of the internal combustion engine; a rotational speed sensor, an air flow sensor, a throttle sensor, an intake air pressure sensor of an internal combustion engine; a storage where the charging efficiency corresponding to the rotational speed and throttle travel in the standard atmospheric condition is previously stored and set as a two-dimensional map, for outputting the stored and set value corresponding to the rotational speed and the throttle travel; and a CPU correcting the atmospheric pressure relational value including the atmospheric pressure calculated based on information of the intake air amount, rotational speed, charging efficiency, and throttle travel of the internal combustion engine by using the atmospheric pressure relational value including the atmospheric pressure calculated based on information of the rotational speed, throttle travel, and intake tube pressure of the internal combustion engine.

Electronic control device for internal combustion engine

Air-Fuel ratio control apparatus for an internal combustion engine and controlling method

A throttle control apparatus for an internal combustion engine capable of controlling an opening degree of an electronic control type throttle with high accuracy by employing an inexpensive A/D converter. The apparatus includes a throttle opening degree detector, and a controller for controlling the opening degree to a target value in dependence on operation state of the engine. The throttle opening degree detector includes a throttle opening degree sensor, an offset unit for transforming the sensor voltage into a plurality of offset-weighted voltages (V , . . . , V ), an A/D converter and an adder for adding the converted offset-weighted voltages (V to V ) wherein a sum value resulting from addition of the offset-weighted voltages (V , . . . , V ) is detected as the opening degree of the throttle to be controlled.

Throttle control apparatus for internal combustion engine

A device for controlling the amount of the air taken in by an engine, for improving the starting performance of when the accelerator pedal is depressed from the idling state. The device comprises a throttle control means,A for operating a target throttle opening degree &thgr;o of a throttle valve,based on said throttle opening degree &thgr;, an accelerator opening degree &agr; and an idle signal D, and a throttle actuator,for opening and closing said throttle valve so that said throttle opening degree comes into agreement with said target throttle opening degree, wherein said throttle control means includes a means,for operating a first target throttle opening degree &thgr;o,based on said accelerator opening degree, a means,for operating a second target throttle opening degree &thgr;o,based on the idle signal, and a means,for operating a target throttle opening degree &thgr;o by adding up the first and second target throttle opening degrees together.

Device for controlling the amount of the air taken in by an engine

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Tokyo, Japan

Koji Nishimoto