ClassID:

137518

F01L2820/02 - CPC Classification

Classification description:

Details on specific features characterising valve gear arrangements Formulas

Recent Application in this class:
#1
20240167400
2024-05-23

A CYLINDER HEAD FOR A LEAN-BURN GASOLINE ENGINE

#2
20200040776
2020-02-06

Electrically latching rocker arm assembly having built-in OBD functionality

#3
20190277166
2019-09-12

Variable valve drive with a sliding cam system for an internal combustion engine

#4
20190234251
2019-08-01

Attachment structure for vehicle motor, in-vehicle equipment, and brushless motor

#5
20190093479
2019-03-28

Valve train for opposed-piston four-stroke engine

#6
20180320771
2018-11-08

Harmonic drive

#7
20180306069
2018-10-25

Control device for internal combustion engine

#8
20180283227
2018-10-04

Method for retracting a partially extended sliding camshaft actuator pin

#9
20180258804
2018-09-13

Oil supply control device of engine

#10
20180252123
2018-09-06

Temperature independent camshaft phaser actuation strategy

#11
20180223705
2018-08-09

Variable valve actuation mechanism, an internal combustion engine, and a vehicle

#12
20180163645
2018-06-14

Method for predicting a phase position of a camshaft

#13
20180163577
2018-06-14

Electrically latching rocker arm assembly having built-in OBD functionality

#14
20180106168
2018-04-19

Composite structure and valve timing adjustment device having the same

#15
20170268386
2017-09-21

Variable valve mechanism of internal combustion engine

#16
20170218795
2017-08-03

Variable valve mechanism of internal combustion engine

#17
20170211434
2017-07-27

Poppet valve and method for manufacturing same

#18
20170183985
2017-06-29

Valve timing adjustment apparatus for internal combustion engine

#19
20160265395
2016-09-15

Variable travel valve apparatus for an internal combustion engine

#20
20160138441
2016-05-19

Internal combustion engine

#21
20160123271
2016-05-05

Cylinder head for an internal combustion engine

#22
20140007829
2014-01-09

Variable travel valve apparatus for an internal combustion engine

#23
20130032101
2013-02-07

Device for controlling internal combustion engine

#24
20120234297
2012-09-20

Torque multiplier engines

#25
20120107169
2012-05-03

Heat-resisting steel for engine valves excellent in high temperature strength

#26
20120022763
2012-01-26

INTERNAL EXHAUST GAS RECIRCULATION CONTROL IN AN INTERNAL COMBUSTION ENGINE

#27
20110315128
2011-12-29

Diesel engine for vehicle

#28
20110264403
2011-10-27

Clearance measuring method and measuring unit

#29
20110185569
2011-08-04

Method and device for adjusting valve clearance

#30
20100224150
2010-09-09

Internal combustion engine with variable valve mechanism

#31
20100186710
2010-07-29

Exhaust valve mechanism for an internal combustion engine

#32
20100145592
2010-06-10

Method for controlling variable valve apparatus of internal combustion engine, and system thereof

#33
20100139592
2010-06-10

Variable valve timing control apparatus for internal combustion engine

#34
20100138020
2010-06-03

CROWNING PROFILE

#35
20100077973
2010-04-01

Variable travel valve apparatus for an internal combustion engine

#36
20090293827
2009-12-03

Valve spring device and valve train of internal combustion engine using the same

#37
20090266318
2009-10-29

Sliding mode control apparatus and adjusting method

#38
20090223482
2009-09-10

METHOD FOR IMPROVING AN INTERNAL COMBUSTION ENGINE

#39
20090211549
2009-08-27

CAM PHASE ADJUSTER WITH A PLURALITY OF SPRINGS

#40
20090199798
2009-08-13

Valve timing adjusting apparatus

#41
20090123032
2009-05-14

MEASUREMENT OF GAPS BETWEEN VALVE SEATS AND ATTACHMENT PARTS

#42
20090120389
2009-05-14

Hydraulic unit for a cylinder head of an internal combustion engine with hydraulic, variable valve train

#43
20080162020
2008-07-03

EGR control apparatus and method for internal combustion engine

#44
20080133113
2008-06-05

Plant control system

#45
20080011254
2008-01-17

Method of controlling variable valve timing system, controller, and motorcycle including controller

#46
20070193539
2007-08-23

Control apparatus for an internal combustion engine

#47
20070163526
2007-07-19

Valve timing controller

#48
20070131186
2007-06-14

Intake air amount control system for internal combustion engine

#49
20070044749
2007-03-01

Inverted poppet valve for internal combustion engine

#50
20070006832
2007-01-11

Method and system to avoid piston-valve collision

#51
20070006830
2007-01-11

Intake air volume controller of internal combustion engine

#52
20060122761
2006-06-08

Controller

#53
20060118071
2006-06-08

Control apparatus for an internal combustion engine

#54
20060063626
2006-03-23

Process of designing a timing control drive having at least one non-circular disk

#55
20050188942
2005-09-01

Sliding structure for automotive engine

#56
20050188935
2005-09-01

Phase displacement device

#57
20050183681
2005-08-25

Control device and method for adjusting the angular velocity ratio between a camshaft and a crankshaft

#58
20050087170
2005-04-28

Engine air brake device for a 4-stroke reciprocating piston internal combustion engine

#59
20050028770
2005-02-10

Cam position measurement for embedded control VCT systems using non-ideal pulse-wheels for cam position measurement

#60
20050011477
2005-01-20

Control apparatus and method for variable valve

#61
20050005886
2005-01-13

Method for reducing VCT low speed closed loop excessive response time

#62
20050000480
2005-01-06

Control system for internal combustion engine

#63
17452136
2023-03-28

Intake valve systems