ClassID:

146293

F15B2211/31594 - CPC Classification

Classification description:

Circuits for servomotor systems; Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having multiple pressure sources and multiple output members

Recent Application in this class:
#1
20220136532
2022-05-05

Landing gear lifting/lowering EHA system

#2
20220081103
2022-03-17

Failsafe valve for geared rotary actuator

#3
20190203444
2019-07-04

Electro hydraulic drive and control system

#4
20150113970
2015-04-30

Hydraulic system for construction machinery

#5
20150096290
2015-04-09

Hydraulic system

#6
20120299310
2012-11-29

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

#7
20120279209
2012-11-08

Systems and methods for energy storage and recovery using compressed gas

#8
20120006013
2012-01-12

High-efficiency energy-conversion based on fluid expansion and compression

#9
20120000557
2012-01-05

Systems and methods for reducing dead volume in compressed-gas energy storage systems

#10
20110314803
2011-12-29

Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange

#11
20110296823
2011-12-08

Systems and methods for energy storage and recovery using gas expansion and compression

#12
20110219760
2011-09-15

Systems and methods for energy storage and recovery using compressed gas

#13
20110167813
2011-07-14

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

#14
20110056193
2011-03-10

Systems and methods for energy storage and recovery using compressed gas

#15
20100205955
2010-08-19

Hydraulic circuit of winch for crane

#16
20100139277
2010-06-10

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

#17
20100089063
2010-04-15

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

#18
20090282822
2009-11-19

Systems and methods for energy storage and recovery using compressed gas

#19
20070234718
2007-10-11

Hydraulic system and work machine comprising such a system

#20
20050042121
2005-02-24

Hydraulic equipment