Patents-Review.com
ClassID:

203218 ⎘

H01H2047/003 - CPC Classification

Classification description:

Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current; Monitoring or fail-safe circuits Detecting welded contacts and applying weld break pulses to coil

Recent Application in this class:
#1
20240426915
2024-12-26

DETECTING WELDED RELAY CONTACTS USING SPANNER VOLTAGE MEASUREMENT

 #2
20240426913
2024-12-26

DETECTING WELDED RELAY CONTACTS USING MEASUREMENT AFTER CURRENT BREAK

 #3
20240304403
2024-09-12

Solenoid driver for a circuit breaker

 #4
20240145194
2024-05-02

Contactor weld releasing systems and methods

 #5
20230268153
2023-08-24

Inductance measurement to detect fused relay contacts

 #6
20230230788
2023-07-20

RELAY CONTROL DEVICE AND METHOD OF CONTROLLING RELAY CONTROL DEVICE

 #7
20210142970
2021-05-13

Circuit breaker with a monitoring device, and method for it

 #8
20210118638
2021-04-22

Load control device having stuck relay detection

 #9
20200185175
2020-06-11

Controller, distributed power supply, and method for checking for welding

 #10
20200126743
2020-04-23

Load control device having stuck relay detection

 #11
20200006979
2020-01-02

AVR bypass relay welding detection

 #12
20190295794
2019-09-26

Load control device having stuck relay detection

 #13
20190025362
2019-01-24

Device for detecting welding of relay

 #14
20180259564
2018-09-13

Device for detecting welding of relay

 #15
20170207048
2017-07-20

Apparatus, method, appliance, and computer program product for operating a relay

 #16
20170186563
2017-06-29

Method for cleaning electrical contacts of an electrical switching device and motor vehicle

 #17
20170162351
2017-06-08

Load control device having stuck relay detection

 #18
20160358732
2016-12-08

Abnormality detection method for electromagnetic relay, abnormality detection circuit for electromagnetic relay, and abnormality detection system

 #19
20160295652
2016-10-06

Load control device having stuck relay detection

 #20
20160225561
2016-08-04

Relay unit, control method for relay unit

 #21
20160087426
2016-03-24

Power source switching device and storage battery system

 #22
20160042899
2016-02-11

Contactor, contactor assembly and control circuit

 #23
20150270081
2015-09-24

HV relay sticking control system and method

 #24
20150241500
2015-08-27

Device for detecting welding of relay

 #25
20150204946
2015-07-23

Electromagnetic relay switch deposition detection device and electromagnetic relay switch deposition detection method

 #26
20150146333
2015-05-28

Relay welding detector, relay equipment incorporating the same, and relay welding detecting method

 #27
20150055269
2015-02-26

Method and apparatus for restoring mechanical relay from stuck fault to normal condition

 #28
20150054516
2015-02-26

Relay weld diagnostic device

 #29
20140340808
2014-11-20

Drive device for opening/closing body

 #30
20140340090
2014-11-20

Method for sensing welded contacts on a switching device

 #31
20140217972
2014-08-07

Vehicle and power supply system

 #32
20130062330
2013-03-14

Kind of anti-adhesion device, a heating apparatus including the device, and method of operating the same

 #33
20110121780
2011-05-26

Feed control device

 #34
20100045104
2010-02-25

Power supply control device, method for controlling power supply device, and computer-readable storage medium storing program for causing computer to perform method for controlling power supply device

 #35
20090294711
2009-12-03

Control algorithm for freeing an EGR valve from contamination adhesion

 #36
20060114635
2006-06-01

Method of detecting and correcting relay tack weld failures

 #37
20050254275
2005-11-17

Inverter device and inverter module

 #38
15921133
2019-05-14

Magnetic circuit arrangement for an electrical switch