F03C1/0447 - CPC Classification Index

ClassID:

142281 ⎘

F03C1/0447 - CPC Classification

Classification description:

Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement Controlling

Sub-classes:

F03C1/045 » {by using a valve in a system with several pump or motor chambers, wherein the flow path through the chambers can be changed, e.g. series-parallel} 22
F03C1/0454 » {by changing the effective cross sectional piston working surface} 0
F03C1/0457 » {by changing the effective piston stroke} 1
F03C1/0463 » {by changing the phase relationship between two actuated cams} 2
F03C1/0466 » {by changing the phase relationship between the actuated cam and the distributing means} 3

Recent Application in this class:

20210108608

2021-04-15

Hydraulic arrangement for a steered wheel of a vehicle

20190277245

2019-09-12

Method for controlling torque equilibrium of a hydraulic motor

20190128259

2019-05-02

Hydraulic machine including an improved braking system

20180171965

2018-06-21

Low-energy and high pressure, hydraulic, pneumatic engine

20180087486

2018-03-29

Braking system for a hydraulic machine

20170248241

2017-08-31

Distribution device for hydraulic machine

20170138334

2017-05-18

Radial piston machine having braking means secured against twisting

20170122285

2017-05-04

Hydraulic machine having two cylinder capacities and a safety valve

20160208898

2016-07-21

Hydraulic transmission

#10

20150128797

2015-05-14

Radial piston engine with brake

#11

20110185888

2011-08-04

Arrangement for hydraulic eccentric adjustment to set a predefined displacement for a hydrostatic motor

#12

20090317266

2009-12-24

Digital hydraulic pump/motor torque modulation system and apparatus

#13

20090241530

2009-10-01

Method of operating a fluid-working machine and a fluid-working machine

#14

20080251302

2008-10-16

Hydro-electric hybrid drive system for motor vehicle

#15

20080185909

2008-08-07

Hydraulic regenerative braking system for a vehicle

#16

20070243078

2007-10-18

Hydrostatic retarder pump and motor

#17

20060249015

2006-11-09

Device for controlling a hydraulically driven motor

#18

20060201004

2006-09-14

Device for controlling hydraulic power units

#19

18616194

2024-08-06

Four-quadrant radial piston hydraulic device and working method thereof