About 107 results
https://drivepatents.com/patents/973990 · 4 Jun 2014
A system (10) and component (42) for generating a drive signal (20) suitable to operate a fuel injector (12). The drive signal (20) includes one or more injector pulses. Each injector pulse (21) is characterized by a desired pulse profile. The system (10) ...
https://drivepatents.com/patents/981977 · 13 Nov 2013
The invention relates to a driving circuit for a magnetic valve comprising a comparator with variable hysteresis (30). The comparator with variable hysteresis (30) additional to a measuring input terminal (CMP_IN(+)) and a control input terminal (CMP_IN(-)...
https://drivepatents.com/patents/987738 · 7 Aug 2013
The apparatus (1) has programmable electronic control unit (9) with electrical interconnection (3) for connecting electromagnet (2). A plug connector (4) connects electric control unit (5) to auxiliary electric current control unit (14). Another plug conne...
https://drivepatents.com/patents/988977 · 10 Jul 2013
In a drive unit of a fuel injection device, an electric current is supplied to the fuel injection device by applying a high voltage to the fuel injection device from a high voltage source whose voltage is boosted to a voltage higher than a battery voltage ...
https://drivepatents.com/patents/990749 · 15 May 2013
Disclosed is an fuel injection control device for an internal combustion engine (1), including: a high-voltage generating circuit (27a) for generating a high voltage exceeding a battery voltage which is a voltage for driving an injector (5), the battery vo...
https://drivepatents.com/patents/991174 · 1 May 2013
The fuel supply system (10) comprises at least one injection valve (26) comprising a solenoid actuator. Furthermore the fuel supply system (10) comprises a high-pressure pump (20) delivering fuel with a given pressure in a fuel line or a manifold (24), the...
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/992974 · 6 Feb 2013
In an electromagnetically controlled inlet valve actuator 200 provided to a high pressure fuel pump, an impinging sound which is generated at the time of operating the mechanism is reduced. In a high pressure fuel pump provided with an electromagnetically ...
https://drivepatents.com/patents/993770 · 16 Jan 2013
An electrical drive arrangement for at least one fuel injector (54) of a fuel injection system comprises: a buffer capacitor (60) adapted to store energy; a charging stage (64) for charging said buffer capacitor (60) to a target charge voltage (V charge );...
https://drivepatents.com/patents/994674 · 26 Dec 2012
A method of controlling a fuel injection device (617) that can control a small amount of injection is provided. A fuel injection device (617) for use in an internal combustion engine, includes: a valve body (114) that can open and close a fuel passage (502...