ClassID:

202892

H01H33/34 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details; Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic

Recent Application in this class:
#1
20230411090
2023-12-21

ACTUATING MECHANISM FOR OPERATING A CIRCUIT BREAKER

#2
20200321771
2020-10-08

Anomaly diagnosis device and anomaly diagnosis method for oil-hydraulic operating mechanism

#3
20190017521
2019-01-17

Two-stage valve arrangement for hydraulic control of a piston- cylinder arrangement of a high- or medium-voltage power switch

#4
20180372125
2018-12-27

Accumulator module for hydromechanical spring-loaded drive

#5
20180025867
2018-01-25

Hydraulic drive for a switchgear

#6
20150300510
2015-10-22

Hydraulic valve for preventing leakage in an actuator for activating a high- or medium-voltage circuit breaker

#7
20150221455
2015-08-06

Electrical switching device, which switches stroke-dependently, with extended switching hysteresis

#8
20150122780
2015-05-07

Commutating circuit breaker

#9
20150083563
2015-03-26

Working cylinder for a drive of an electric circuit breaker

#10
20150053074
2015-02-26

Fluid-Pressure Drive Device for Circuit Breaker

#11
20140298983
2014-10-09

Locking apparatus for a hydromechanical spring energy store drive for a gas-insulated switchgear assembly

#12
20140144315
2014-05-29

Differential cylinder for a hydromechanical drive for electrical circuit breakers

#13
20140137731
2014-05-22

Differential cylinder for a hydromechanical drive for electrical circuit breakers

#14
20130277190
2013-10-24

Storage module for a hydraulic stored-energy spring mechanism

#15
20130256274
2013-10-03

Commutating circuit breaker

#16
20120273700
2012-11-01

Valve arrangement

#17
20120199558
2012-08-09

Commutating circuit breaker

#18
20110168533
2011-07-14

Cam disk and spring excursion switch for a stored-energy spring mechanism and stored-energy spring mechanism

#19
20110132187
2011-06-09

HYDRAULIC STORED-ENERGY SPRING MECHANISM

#20
20100243927
2010-09-30

Valve arrangement

#21
20100089738
2010-04-15

HYDROMECHANICAL STORED-ENERGY SPRING MECHANISM

#22
20100012624
2010-01-21

High-Voltage Disconnecting Circuit Breaker And Method Of Operating The Same

#23
20090020508
2009-01-22

Contact drive arrangement

#24
20050006349
2005-01-13

Hydraulic operating apparatus for switch