ClassID:

151230

F16H2061/064 - CPC Classification

Classification description:

Control functions within change-speed- or reversing-gearings for conveying rotary motion; Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means for calibration of pressure levels for friction members, e.g. by monitoring the speed change of transmission shafts

Recent Application in this class:
#1
20260043471
2026-02-12

METHOD FOR OPERATING DRIVE ASSEMBLY, DRIVE ASSEMBLY, AND WORK MACHINE

#2
20260016086
2026-01-15

Method and Controller for Acquiring Characteristic Values of Frictionally Engaged Shifting Element of a Transmission, and Transmission Controller

#3
20210148460
2021-05-20

Shift control apparatus for vehicle automatic transmission

#4
20190162251
2019-05-30

Method of learning touch point of dual clutch transmission

#5
20190024783
2019-01-24

System and method for calibrating a transmission

#6
20180354496
2018-12-13

System and method for operating a vehicle powertrain

#7
20180328421
2018-11-15

Method and apparatus for safe gear ratio selection and control for a clutch-to-clutch transmission

#8
20180087662
2018-03-29

System and method for calibrating a transmission

#9
20180031124
2018-02-01

Controller for automatic transmission

#10
20180023689
2018-01-25

Controller for automatic transmission

#11
20170234422
2017-08-17

Flow output determination method for a hydraulic pump in a transmission hydraulic system

#12
20170203746
2017-07-20

Control apparatus and control method for vehicle power transmission system

#13
20170184196
2017-06-29

Control apparatus for vehicle driving system

#14
20160281845
2016-09-29

Transmission calibration tool

#15
20160195451
2016-07-07

Method of calibrating a wet clutch for generating transfer functions on a test bench

#16
20150300486
2015-10-22

Direct clutch slip control

#17
20150211630
2015-07-30

Method for improvement of the shifting quality at the start of the initial operation of a new automatic gearbox or an automatized gearbox of a motor vehicle

#18
20150105988
2015-04-16

Automatic transmission and method for controlling same

#19
20140081491
2014-03-20

Acceleration profile-based control of an offgoing clutch operation

#20
20140067174
2014-03-06

Method and system for learning and controlling torque transmission kiss point of engine clutch for hybrid electric vehicle

#21
20140032063
2014-01-30

Clutch return spring pressure learning during a coasting maneuver

#22
20140005901
2014-01-02

Automatic transmission control device

#23
20130231835
2013-09-05

Determination of transmission clutch control values using PID control logic during power-on upshift

#24
20130231834
2013-09-05

Transmissioin clutch return spring pressure learn using PID control

#25
20130190134
2013-07-25

Method for adapting a characteristic curve of clutches in a partial double-clutch transmission of a motor vehicle

#26
20130018557
2013-01-17

Method and apparatus for clutch pressure control

#27
20120191310
2012-07-26

Clutch capacity detection systems and methods

#28
20120065849
2012-03-15

System and method for controlling power downshifts of a transmission

#29
20110277533
2011-11-17

System and method for determining a volume of a torque converter clutch and calibrating a transmission

#30
20110264343
2011-10-27

Automatic transmission and hydraulic control method therefor

#31
20110208393
2011-08-25

Method for learning reference position for transmission and vehicle

#32
20110106355
2011-05-05

Vehicle control device

#33
20110015840
2011-01-20

Shift control of automatic transmission

#34
20100312443
2010-12-09

Main modulation calibration using clutch trim valve

#35
20090197736
2009-08-06

Process for calibrating an automatic transmission

#36
20090143196
2009-06-04

Avoiding coasting downshift torque reversal in an automatic transmission

#37
20090111643
2009-04-30

Method and apparatus to control clutch fill pressure in an electro-mechanical transmission

#38
20080269012
2008-10-30

HYDRAULIC PRESSURE CONTROL DEVICE FOR CONTINUOUSLY VARIABLE TRANSMISSION

#39
20080194384
2008-08-14

Calibration system for hydraulic transmission

#40
20080060717
2008-03-13

Determining clutch fill volume in an automatic transmission

#41
20070221462
2007-09-27

Method for learning the flow rate of hydraulic fluid in an automatic transmission

#42
20070174000
2007-07-26

Clutch fill volume learning strategy for transmission control

#43
20070010926
2007-01-11

Adaptive shift learn control for automatic transmissions

#44
20070010373
2007-01-11

Transmission shift control method

#45
20060272919
2006-12-07

Hydraulic clutch control system and method

#46
20060155435
2006-07-13

Method and system for controlling at least one actuator in the drive train of a motor vehicle

#47
20060148614
2006-07-06

Control apparatus of automatic transmission

#48
20060080019
2006-04-13

Method for controlling an automated gearbox, electronic safety system and adapter plug

#49
20050288153
2005-12-29

Method and apparatus for adaptive control of closed throttle downshifts in an automatic transmission

#50
20050257632
2005-11-24

Method of determining initial transmission calibration

#51
20050222735
2005-10-06

Control apparatus and method for automatic transmission

#52
20050197758
2005-09-08

Oil pressure control apparatus for an automatic transmission

#53
20050187070
2005-08-25

Hydraulic pressure characteristic value setting method for automatic transmission

#54
20050130798
2005-06-16

Shift control method of automatic transmission for vehicles

#55
20050032606
2005-02-10

Automatic transmission and method of setting a standby oil pressure value