ClassID:

145914

F15B9/12 - CPC Classification

Classification description:

Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing

Recent Application in this class:
#1
20200063760
2020-02-27

Pressure booster

#2
20190055965
2019-02-21

Hydraulic actuator and multi-cylinder hydraulic actuator system

#3
20180258963
2018-09-13

Hydraulic rotary actuator with built-in mechanical position feedback

#4
20160303760
2016-10-20

Adjustable return stroke limiter for a powered log splitter

#5
20160091003
2016-03-31

Micro dampers for prevention of un-commanded motion in mechanical feedback actuators

#6
20150267718
2015-09-24

System preventing pressured oil leakage to cylinder line in control valve systems with flow divider

#7
20150114151
2015-04-30

Electromechanical actuator and actuator unit

#8
20130009080
2013-01-10

Fluid-operated actuating drive on a valve

#9
20120217084
2012-08-30

Hydraulic steering control valve and reverse self-locking steering system

#10
20110265641
2011-11-03

FORCE AMPLIFIER

#11
20110239853
2011-10-06

Method and apparatus for controlling a fluid operated actuator

#12
20110226125
2011-09-22

Electro-mechanical control system for positioning fluid motors

#13
20110011077
2011-01-20

Hydraulic servo-drive device and variable turbo-supercharger using the same

#14
20100313981
2010-12-16

Proportional position feedback hydraulic servo system

#15
20100193038
2010-08-05

Pneumatic actuator with a position control and position adjustment

#16
20100175492
2010-07-15

POWER BOOSTING DEVICE

#17
20100095817
2010-04-22

Fluid distributor apparatus and punching method

#18
20100077915
2010-04-01

Apparatus with adjustable freedom from backlash for a control device

#19
20100016118
2010-01-21

Servo assistance device for motor vehicle variable-speed transmission

#20
20090205332
2009-08-20

Pneumatic actuating drive having integrated electropneumatic position control

#21
20090056530
2009-03-05

FORCE AMPLIFIER

#22
20070163259
2007-07-19

Fluid Linkage for Mechanical Linkage Replacement and Servocontrol

#23
20060130914
2006-06-22

Position feedback pilot valve actuator for a spool control valve

#24
20060011406
2006-01-19

Power steering apparatus

#25
20050005919
2005-01-13

Control system regulating air flow to engine intake