ClassID:

201526

H01F2007/1894 - CPC Classification

Classification description:

Magnets; Electromagnets; Actuators including electromagnets with armatures; Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings minimizing impact energy on closure of magnetic circuit

Recent Application in this class:
#1
20240084916
2024-03-14

Method for Actuating a Solenoid Valve Which is Used for Throughflow Rate Control of an Agricultural Spreading Machine

#2
20210249209
2021-08-12

System and method for quick and low noise relay switching operation

#3
20190122797
2019-04-25

Solenoid

#4
20180320797
2018-11-08

Method for actuating a valve

#5
20140375402
2014-12-25

Linear solenoid

#6
20130128408
2013-05-23

Method and circuit for increasing the speed of electromechanical output on a protective relay

#7
20100193719
2010-08-05

DEVICE AND METHOD FOR CONTROLLING AN ELECTROMAGNETIC VALVE

#8
20100192881
2010-08-05

Method for actuating an electromagnetic switching valve

#9
20090213520
2009-08-27

Medical fluid machine having solenoid control system with reduced hold current

#10
20090078799
2009-03-26

Method and device for metering a fluid

#11
20080192402
2008-08-14

Electromagnetic switching device and method for the operation thereof

#12
20070279047
2007-12-06

Systems and methods for detecting solenoid armature movement

#13
20070139852
2007-06-21

System and method for controlling spool motion in a valve

#14
20060201488
2006-09-14

Method for controlling a solenoid valve

#15
20060171091
2006-08-03

System and method for servo control of nonlinear electromagnetic actuators

#16
20060098375
2006-05-11

Apparatus and method of controlling the closing action of a contactor

#17
20050180085
2005-08-18

Device for control of electro-actuators with detection of the instant of end of actuation, and method for detection of the instant of end of actuation of an electro-actuator

#18
20050047052
2005-03-03

Electromagnetic apparatus drive apparatus