ClassID:

201659

H01F27/20 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Cooling ; Ventilating Cooling by special gases or non-ambient air

Recent Application in this class:
#1
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2025-05-08

INTEGRATED GAS SENSING AND REGULATION SYSTEM

#2
20240249869
2024-07-25

INDUCTION COIL APPARATUS AND RADIO FREQUENCY MATCHING NETWORK INCORPORATING THE SAME

#3
20240006111
2024-01-04

TRANSFORMER WITH AIR-FLOW RE-DIRECTOR

#4
20230268115
2023-08-24

ELECTRIC DEVICE WITH FORCED DIRECT COOLING

#5
20230041583
2023-02-09

SHUNT REACTOR WITH AUXILIARY POWER

#6
20220406510
2022-12-22

HEAT EXCHANGER PACKAGE FOR A DRY-TYPE TRANSFORMER

#7
20220037079
2022-02-03

Transformer cooling system and transformer installation

#8
20210110957
2021-04-15

Cooling structure for transformer

#9
20200258671
2020-08-13

Inductors with core structure supporting multiple air flow modes

#10
20200126707
2020-04-23

Electrical device having heat generating components with improved heat removal using turbulent flow

#11
20200111595
2020-04-09

Losses reduction for electrical power distribution

#12
20200037431
2020-01-30

Vibration-resistant circuit arrangement for electrically connecting two terminal regions

#13
20190214178
2019-07-11

Losses reduction for electrical power distribution

#14
20190088399
2019-03-21

Liquid cooled magnetic element

#15
20180322995
2018-11-08

Apparatus and method for passive cooling of electronic devices

#16
20180301279
2018-10-18

Intra-tank under-oil vacuum primary switches for medium voltage transformer applications

#17
20180294086
2018-10-11

Choke coil module of high power density DC-AC power inverter

#18
20180053593
2018-02-22

TRANSFORMER EMBEDDED WITH THERMALLY CONDUCTIVE MEMBER

#19
20180005748
2018-01-04

Transformer and power converter

#20
20170358390
2017-12-14

Cooling arrangement

#21
20170330670
2017-11-16

Liquid cooled magnetic element

#22
20170213633
2017-07-27

Vehicle transformer

#23
20170148563
2017-05-25

Electrical device comprising a gas-insulated apparatus, in particular a gas-insulated transformer or reactor

#24
20170103841
2017-04-13

MAGNETIC STRUCTURE

#25
20170101918
2017-04-13

Fan cooled ignition coil method and apparatus

#26
20170025213
2017-01-26

TAKE-UP DEVICE FOR THE TAKE-UP OF INSULATING FLUID AND HOUSING HAVING THE TAKE-UP DEVICE

#27
20160322158
2016-11-03

Method for producing a heavy-current transformer

#28
20160322151
2016-11-03

Device comprising a high voltage apparatus including a fluid and equipment for detecting one or more physical properties of the fluid

#29
20160293314
2016-10-06

Method to optimize operation of a transformer cooling system, the corresponding system and a method to determine the VFD capacity

#30
20160217899
2016-07-28

Reactor

#31
20150016060
2015-01-15

Apparatus And Method For Cooling A Transformer Having A Non-Linear Core

#32
20140313679
2014-10-23

Heavy-current transformer having a multi-point contacting, transformer element, contact plate and secondary winding, and method for producing such a heavy-current transformer

#33
20140118099
2014-05-01

Gas-insulated delta transformer

#34
20120299677
2012-11-29

Electrical transformer with diaphragm and method of cooling same

#35
20120274430
2012-11-01

Heat exchanger system for dry-type transformers

#36
20050030134
2005-02-10

Construction for cooled solenoid

#37
15483361
2020-12-08

System, method and apparatus for transformer cooling