ClassID:

148531

F16D2048/0209 - CPC Classification

Classification description:

External control of clutches; Control by fluid pressure characterised by fluid valves having control pistons, e.g. spools

Recent Application in this class:
#1
20240052895
2024-02-15

Method for actuating a decoupling unit

#2
20210156436
2021-05-27

Hydraulic control device and marine transmission

#3
20200332882
2020-10-22

Hydraulic clutch assemblies

#4
20200332842
2020-10-22

Wet clutch assemblies

#5
20200278036
2020-09-03

Pressure control device

#6
20200217375
2020-07-09

Fluid control apparatus for use with vehicle clutches

#7
20190351756
2019-11-21

Electric all wheel drive two speed with chain drop

#8
20190186560
2019-06-20

Popoff valve in hydraulic arrangement for multi-clutch assembly

#9
20190145312
2019-05-16

Vehicle drive device

#10
20190128407
2019-05-02

Hydraulic control system for automatic transmission

#11
20180202470
2018-07-19

Valve

#12
20180003107
2018-01-04

Vehicle drive device

#13
20170335906
2017-11-23

System and method for clutch pressure control

#14
20170268666
2017-09-21

Hydraulic control system for an automatic transmission

#15
20170268659
2017-09-21

Hydraulic control device for an automatic transmission

#16
20170248178
2017-08-31

Hydraulic control system

#17
20160356322
2016-12-08

Hydrostatically operated clutch system

#18
20160169402
2016-06-16

Valve, and the use thereof for a clutch

#19
20160169376
2016-06-16

System and method for multiplexing gear engagement control and providing fault protection in a toroidal traction drive automatic transmission

#20
20160116004
2016-04-28

Fluid control device

#21
20160069402
2016-03-10

System and method for clutch pressure control

#22
20150167831
2015-06-18

Pressure control system of torque control device

#23
20150001024
2015-01-01

Clutch spool valve assembly

#24
20140311425
2014-10-23

Vehicle drive device

#25
20140305721
2014-10-16

Vehicle drive device

#26
20140305389
2014-10-16

Vehicle drive device

#27
20140291106
2014-10-02

Clutch control device in power unit for vehicle

#28
20140124324
2014-05-08

Hydraulic control device for hybrid drive device

#29
20140083810
2014-03-27

Hydraulic system for double piston

#30
20140066249
2014-03-06

System and method for multiplexing gear engagement control and providing fault protection in a toroidal traction drive automatic transmission

#31
20140048377
2014-02-20

Transmission clutch piston compensator feed circuit

#32
20130111891
2013-05-09

Vehicle drive device

#33
20130075222
2013-03-28

Pressure holding transmission clutch with ball check valve

#34
20130056657
2013-03-07

Latch valve for actuating a transmission control element

#35
20130037372
2013-02-14

Hydraulic clutch control device of vehicle power unit

#36
20130018557
2013-01-17

Method and apparatus for clutch pressure control

#37
20120219435
2012-08-30

Motor pump assembly for transmission valve body

#38
20120217121
2012-08-30

HYBRID DRIVE APPARATUS

#39
20120216883
2012-08-30

Hydraulic controls for an automatic transmission

#40
20120152688
2012-06-21

Automatic transmission shift quality via selective use of closed-loop pressure feedback control

#41
20120138415
2012-06-07

Hydraulic control device

#42
20120090948
2012-04-19

Powertrain pressure control system

#43
20120090947
2012-04-19

Powertrain pressure and flow control system for a torque converter clutch

#44
20120090946
2012-04-19

Powertrain pressure control system

#45
20120090945
2012-04-19

Powertrain pressure and flow control system for dog clutches

#46
20120090940
2012-04-19

Micro-electro-mechanical-systems based hydraulic control system for a dry dual clutch transmission

#47
20120090416
2012-04-19

Micro-electro-mechanical-systems based hydraulic control system for a wet dual clutch transmission

#48
20110297856
2011-12-08

Proportional pressure control valve

#49
20110233022
2011-09-29

Oil passage structure for hydraulic clutch of an engine

#50
20110192695
2011-08-11

Hydraulic actuator

#51
20110168516
2011-07-14

Flow rate control valve for clutch control device

#52
20110168515
2011-07-14

Flow rate control valve for clutch control device

#53
20110168011
2011-07-14

Device for controlling the stroke of an actuator

#54
20110167812
2011-07-14

Hydraulic control system for an automatic transmission having electronic transmission range selection with failure mode control

#55
20110143882
2011-06-16

System and method for multiplexing gear engagement control and providing fault protection in a toroidal traction drive automatic transmission

#56
20110139564
2011-06-16

Control system for a dual clutch transmission

#57
20100300828
2010-12-02

Dual-Stage Regulator Valve Assembly

#58
20090313986
2009-12-24

Hydraulic assembly for driving and controlling small hydraulic units

#59
20090238032
2009-09-24

Sequential start clutch for a material mixing machine

#60
20090111642
2009-04-30

Method and apparatus to control clutch stroke volume in an electro-mechanical transmission

#61
20080236980
2008-10-02

Coupling device

#62
20080190729
2008-08-14

Method and apparatus for controlling a motor vehicle clutch

#63
20080115661
2008-05-22

Hydraulic system for supplying a hydraulic fluid to a component

#64
20070272889
2007-11-29

Pressure limiting valve

#65
20070131512
2007-06-14

Method of actuating a clutch

#66
20070125614
2007-06-07

Control device for input clutch of work vehicle

#67
20070017772
2007-01-25

Controlled leak compliance and method for hydraulic clutch control systems

#68
20060278493
2006-12-14

Power transmission device with clutch control system

#69
20060231368
2006-10-19

Hydraulic clutch actuation system

#70
20060174950
2006-08-10

Apparatus and method for cooling a clutch of a motor vehicle

#71
20060144451
2006-07-06

Hydraulic pressure control device

#72
20060124423
2006-06-15

Hydraulic circuit

#73
20060076208
2006-04-13

Hydraulic clutch actuation system

#74
20060058146
2006-03-16

Hydraulic control system for multiple clutches in a motor vehicle

#75
20060054443
2006-03-16

Hydraulic system, in particular for motor vehicles

#76
20060042906
2006-03-02

Low power modulating clutch control system with combination accumulator and piston actuator

#77
20060006736
2006-01-12

Regulator valve for a torque-transmitting mechanism and method of engaging a torque-transmitting mechanism

#78
20050279407
2005-12-22

Valve apparatus for compensating centrifugal forces

#79
20050139442
2005-06-30

Torque transmitting unit and drive train for it

#80
20050121283
2005-06-09

Hydraulic clutch actuation system

#81
20050060081
2005-03-17

One-way orifice for controlling a supply flow rate and permitting rapid reverse flow

#82
20050023102
2005-02-03

Low power hydraulic clutch actuation systems