F15B2211/21 - CPC Classification Index

ClassID:

146229 ⎘

F15B2211/21 - CPC Classification

Classification description:

Circuits for servomotor systems; Fluid pressure source, e.g. accumulator or variable axial piston pump Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge

Sub-classes:

F15B2211/212 » the pressure sources being accumulators 328
F15B2211/214 » the pressure sources being hydrotransformers 62
F15B2211/216 » the pressure sources being pneumatic-to-hydraulic converters 41
F15B2211/218 » the pressure sources being pyrotechnical charges 5

Recent Application in this class:

20210102558

2021-04-08

Pressure booster and cylinder apparatus provided with same

20200407171

2020-12-31

Movable belt breakage prevention and catching system for belt conveyor

20200132089

2020-04-30

THRUST EXPANSION DEVICE, EXPANSION UNIT, CONNECTING UNIT, AND THRUST EXPANSION SYSTEM

20190040878

2019-02-07

FOUR-WAY CONTROL VALVE FOR PNEUMATIC CHARGING AND DISCHARGING OF WORKING VESSEL

20150376875

2015-12-31

Automatic valve shutoff device and methods

20150274281

2015-10-01

Pneumatic positioning system

20150013772

2015-01-15

Automatic valve shutoff device and methods

20120048029

2012-03-01

Hydraulic system and universal testing machine

20110226124

2011-09-22

Pneumatic actuator structure

#10

20110225963

2011-09-22

Actuator for gas-operated emergency opening of an openable element of an aircraft, having means for venting the gas

#11

20110005221

2011-01-13

Hydraulic pressure supply unit for a power screwdriver

#12

20060230919

2006-10-19

Fluid powered apparatus for operating a mechanism during an emergency

#13

20050044851

2005-03-03

Monoprolellant/hypergolic powered proportional actuator