Honda Giken Kogyo Kabushiki Kaisha

Honda Motor Co., Ltd.

Tsuguo Watanabe

Tomomi Yuhara

Daisuke Kuriki

Tatsuo Hayashi

Yasumasa Matsui

Kenichi Machida

Masahiko Abe

Tetsuaki Maeda

Kiyotaka Fujihara

Yoshihide Yuza

Osamu Nishioka

Takuhei Kusano

Kota Takizawa

Daisuke Sekiya

A wireless charging structure to wirelessly charge a mobile information terminal in a vehicle includes a mobile information terminal case, a support, a receiving coil, a reception controller, a transmitting coil, and a transmission controller. The transmitting coil is provided on a vehicle side and provided on an inner side of a facing portion of the support. The transmission controller is provided on the vehicle side and electrically connected to the transmitting coil. The transmission controller includes an inverter configured to convert direct current supplied from a battery provided on the vehicle side to alternating current and to supply the alternating current to the transmitting coil. The reception controller includes a converter configured to convert alternating current flowing through the receiving coil due to the magnetic flux generated by the transmitting coil to direct current.

Wireless charging structure for mobile information terminal in vehicle

The saddle-ride vehicle includes: a front fork that rotatably supports a front wheel; a steering shaft that is coupled to the front fork and is steerably supported by a vehicle body frame; a steering handlebar holder that includes a lower holder and an upper holder and is provided above the steering shaft, the upper holder being in contact with the lower holder from above and fastened to the lower holder; a portable terminal holder that is fastened to the upper holder or the lower holder and capable of holding a personal digital assistance; and a steering system in which a steering handlebar pipe sandwiched between the lower holder and the upper holder is fixed to the steering handlebar holder.

Saddle-ride vehicle

A fuel injection system and method for injecting fuel for an internal combustion engine having fuel injection valves arranged on the upstream side and downstream side from the throttle valve respectively which consistently supplies an adequate quantity of fuel into the combustion chamber without fuel adhering to or remaining at the throttle valve, even when the throttle valve is abruptly enclosed. Based on plural parameters including the throttle opening &#x3b8;TH and the engine speed NE, the system includes means for determining the injection quantity of each of the upstream and downstream fuel injection valves, means for detecting a rate of change &#x394;&#x3b8;TH of the throttle opening in the injection-valve closing direction, means for stopping fuel injection of the upstream fuel injection valve when the rate of change &#x394;&#x3b8;TH is large, and means for reducing the injection quantity from the downstream fuel injection valve when the fuel injection of the upstream injection valve is stopped.

Fuel injection system and fuel injecting method for internal combustion engine

A fuel injection control system for an internal combustion engine can obtain an optimum fuel injection quantity in response to a traveling load without the need for a large memory. The gear position discrimination unit determines the present gear position Ngp on the basis of the vehicle speed Vpls and the engine speed NE. The Kgpd calculation unit calculates the correction factor by gear Kgpd on the basis of the gear position Ngp and the engine speed NE. The state judgment unit judges whether the engine is in a steady state or in a transient state. The map selection unit selects, on the basis of the judgment result of the engine state, the PB map or the TH map for determining the basic injection quantity Ti. The basic injection quantity determination unit determines the basic injection quantity Ti on the basis of a product of the PB map or TH map and the correction factor by gear Kgpd.

Fuel injection control system for internal combustion engine

A fuel injection system for an internal combustion engine has an upstream fuel injector provided upstream from the throttle valve and a downstream fuel injector provided downstream therefrom. A device is provided for determining a fuel injection quantity of the upstream and downstream fuel injectors. A sensor detects the intake temperature TA on the upstream side from an injection area of the upstream fuel injector. A device is provided for seeking an intake temperature correction factor KTA on the basis of the intake temperature TA and a fuel injection quantity of the upstream fuel injector. At least one of the fuel injection quantities due to the upstream and downstream fuel injectors is corrected on the basis of the intake temperature correction factor KTA.

Fuel injection system for internal combustion engine

In an internal combustion engine in which fuel injection valves are arranged upstream from and downstream from the throttle valve, respectively, the response of the accelerated increase in quantity and correction will be improved. The total injection quantity determination unit determines a total quantity of fuel to be injected from each fuel injection valve. The injection rate determination unit determines an injection rate of the upstream injection valve. The injection quantity correction unit includes an accelerated increase in quantity and correction unit, and during acceleration, increases and corrects only the injection quantity of the downstream injection valve during acceleration. The injection quantity determination unit determines the injection quantity of the upstream injection valve on the basis of the injection rate and the total injection quantity, and determines the injection quantity of the downstream injection valve on the basis of the upstream injection quantity and the total injection quantity.

In a fuel injection system for an internal combustion engine in which fuel injectors are arranged on the upstream side and on the downstream side of the throttle valve, respectively, the throttle valve will be prevented from freezing without involving the addition of piping and the like. A fuel injection system for an internal combustion engine includes a device for determining a total injection quantity of each fuel injector, a device for determining a rate of fuel injection for each fuel injector, a device for acquiring temperature information representing the throttle valve temperature, and a device for correcting the fuel injection rate on the basis of the temperature information. The correction device decreases the injection rate of the upstream fuel injector when the throttle valve is at a low temperature.

An internal combustion engine in which fuel injection valves are arranged on the upstream side and on the downstream side of the throttle valve respectively, in which process values such as the engine speed and the vehicle speed cause fuel injection to be accurately restricted at predetermined upper limit values. A total injection quantity determination unit determines total quantity Qtotal of fuel to be injected from the upstream side and downstream side fuel injection valves. An injection rate determination unit determines an injection rate Rupper of the upstream injection valve. An injection quantity restriction unit restricts fuel injection of each of the fuel injection valves when process values such as the vehicle speed and the engine speed reach or approach the predetermined upper limit value. The injection quantity determination unit determines the injection quantity Qupper of the upstream injection valve and the injection quantity Qlower of the downstream injection valve.

Growing community of inventors

Saitama, Japan

Tsuguo Watanabe