ClassID:

139747

F02D2041/2024 - CPC Classification

Classification description:

Electrical control of supply of combustible mixture or its constituents; Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses

Sub-classes:
Recent Application in this class:
#1
20230098221
2023-03-30

Control for a piezo-electric injector when a foot is raised from the accelerator

#2
20220205407
2022-06-30

Method for regulating the total injection mass during a multiple injection operation

#3
20220186698
2022-06-16

INJECTOR UNIT FOR THE INJECTION OF FUEL, AND METHOD FOR THE OPERATION OF AN INJECTOR UNIT OF THIS TYPE

#4
20210372339
2021-12-02

Device and method for checking safety-relevant switch-off paths in control units during ongoing engine operation

#5
20210363952
2021-11-25

Systems and methods for fuel injector control

#6
20210359600
2021-11-18

Electronic control unit

#7
20210071609
2021-03-11

Injection control device

#8
20190331046
2019-10-31

Actuator for a piezo actuator of an injection valve

#9
20190323447
2019-10-24

Injection control device

#10
20190242323
2019-08-08

Fuel injection control device

#11
20190234362
2019-08-01

Systems and methods for fuel injector control

#12
20190170078
2019-06-06

Injection controller

#13
20190063358
2019-02-28

Fuel injection control device

#14
20180156148
2018-06-07

Injection control unit

#15
20180112590
2018-04-26

Valve control device and valve system

#16
20180066597
2018-03-08

Vehicle engine control system

#17
20180003139
2018-01-04

Systems and methods for fuel injector control

#18
20170335787
2017-11-23

Fuel injection valve control device

#19
20170298851
2017-10-19

Gaseous fuel injector activation

#20
20170287609
2017-10-05

Electric power control with a dither signal

#21
20170234920
2017-08-17

Detection of valve open time for solenoid operated fuel injectors

#22
20170184045
2017-06-29

Fuel pressure control device

#23
20170175666
2017-06-22

Injector controlling method using opening duration

#24
20160301342
2016-10-13

Use of an electronic device for operating a DC motor to control two peak and hold loads

#25
20160115896
2016-04-28

Fuel injection device

#26
20150167571
2015-06-18

Method for operating a valve

#27
20140358408
2014-12-04

Gaseous fuel injector activation

#28
20140358407
2014-12-04

Gaseous fuel injector activation

#29
20140290239
2014-10-02

Exhaust gas recirculation apparatus for engine

#30
20140240886
2014-08-28

Control apparatus for fuel injector

#31
20140145696
2014-05-29

Current control semiconductor device and control device using the same

#32
20120180762
2012-07-19

METHOD FOR DRIVING A SOLENOID VALVE OF A FUEL INJECTOR

#33
20120055449
2012-03-08

Hysteresis-type electronic controlling device for fuel injectors and associated method

#34
20120047992
2012-03-01

Fuel property determining apparatus

#35
20110271918
2011-11-10

Variable valve operating apparatus for internal combustion engine

#36
20110260083
2011-10-27

Method for controlling an actuator

#37
20110042594
2011-02-24

Method for bounce suppression of a valve switched by a piezo actuator

#38
20100299052
2010-11-25

Fuel systems and methods for cold environments

#39
20090223490
2009-09-10

Method for controlling a piezoelectric actuator and control unit for controlling a piezoelectric actuator

#40
20090151667
2009-06-18

Method for determining the instant when the movable element of a solenoid valve reaches its end position following energization of the solenoid, by means of an analysis of the switching frequence of the solenoid driving current

#41
20090091212
2009-04-09

Device and method for driving an ultrasound piezoelectric actuator

#42
20090015223
2009-01-15

Power supply voltage booster

#43
20080316671
2008-12-25

Piezoelectric actuator driving device and method

#44
20080270009
2008-10-30

Method and System for Fuel Injection Simulation

#45
20080116855
2008-05-22

Method and device for controlling a capacitive load

#46
20070289582
2007-12-20

Exhaust gas recirculation apparatus for an internal combustion engine and the respective operating method

#47
20060231311
2006-10-19

Fuel injection device for internal combustion engine

#48
20050209768
2005-09-22

Power electronics circuit with voltage regulator for electromechanical valve actuator of an internal combustion engine

#49
17302496
2022-04-26

Methods and systems for improving fuel injection repeatability