About 282 results
Showing the first 200 results.
https://drivepatents.com/patents/991522 · 24 Apr 2013
An electronic control apparatus includes a control unit 2; a plurality of power supply units 1-1, 1-2 for supplying the control unit 2 with power; and a power supply fault detector unit 3 for detecting a fault in the plurality of power supply units 1-1, 1-...
https://drivepatents.com/patents/992031 · 10 Apr 2013
A fuel injection control system for an internal combustion engine includes a plurality of first energy storage elements each for supplying a high voltage to a fuel injection solenoid valve, boosting circuits each for boosting a battery voltage and electric...
https://drivepatents.com/patents/991913 · 10 Apr 2013
Disclosed is an engine control unit intended to prevent fuel vapors from a fuel tank from being released to the atmosphere and causing degradation of gas emission performance. In order to fulfill the object, a control unit according to an aspect of this in...
https://drivepatents.com/patents/991900 · 10 Apr 2013
Variations in the air-fuel ratio among cylinders are specified as one cause of deterioration in exhaust emissions however the size of the variations in the air-fuel ratio among cylinders detected by the catalyst upstream sensor does not always match the ma...
https://drivepatents.com/patents/985231 · 3 Apr 2013
To improve the injection fuel mass accuracy of a fuel injector, it is necessary to make the fuel injector perform seat valve (114B) opening and closing operation quickly. When the shapes of a fixed core (107) and an anchor (102) are optimized to improve th...
https://drivepatents.com/patents/992222 · 27 Mar 2013
An acceleration sensor and an angular velocity sensor are sealed in respective pressure atmospheres suitable therefor in the process of a series of bonding steps, thereby improving the detection sensibilities of the sensors. A movable member 111 of an acce...
https://drivepatents.com/patents/985280 · 27 Mar 2013
A reverse polarity protection circuit includes a p-channel MOSFET 1, an n-channel MOSFET 2, zener diodes 3, 4, a coil 5 that suppresses a backward flow of an electric current, a resistor 6 that retains a voltage difference between a source of the p-channel...
https://drivepatents.com/patents/985271 · 27 Mar 2013
A high-speed calculation of power consumption provided to a driver to figure out whether an electric vehicle 5 is able to reach a destination can be implemented. Solution: A system for providing information on power consumption amount of an electric vehicl...
https://drivepatents.com/patents/992326 · 20 Mar 2013
A hybrid vehicle provided consumes deteriorated fuel efficiently and rapidly while reducing effects on the running performance to the minimum. The hybrid vehicle includes an engine 1, a generator 2 driven by the engine 1, a battery 4 charged by both a powe...
https://drivepatents.com/patents/985551 · 20 Mar 2013
A capacitor connected to a microcomputer voltage wiring is downsized. A series regulator on an electronic control unit for automotive includes a battery 200 as an in-vehicle power supply, a relay 201, an input side capacitor 203, a series regulator circuit...