ClassID:

137498

F01L2800/08 - CPC Classification

Classification description:

Methods of operation using a variable valve timing mechanism Timing or lift different for valves of different cylinders

Recent Application in this class:
#1
20210140378
2021-05-13

Control device for engine

#2
20210071594
2021-03-11

Multi-mode valve lift

#3
20190234254
2019-08-01

Internal combustion engine with tubular valves and braking system

#4
20190093525
2019-03-28

Variable displacement engine including different cam lobe profiles

#5
20190040802
2019-02-07

Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking

#6
20190040772
2019-02-07

Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking

#7
20190003404
2019-01-03

Method for operating a reciprocating internal combustion engine

#8
20180306073
2018-10-25

Discrete variable valve lift engine systems and methods

#9
20180291824
2018-10-11

System and method for intake manifold pressure control

#10
20180258879
2018-09-13

Cam carrier insert

#11
20180087469
2018-03-29

Cylinder head with valve deactivators

#12
20170356372
2017-12-14

System and method for intake manifold pressure control

#13
20170218866
2017-08-03

Internal combustion engine air charge control

#14
20170114729
2017-04-27

Engine system with valve stop

#15
20170074162
2017-03-16

Combined-cycle combustion control type three-cylinder engine and method for controlling the same

#16
20160341097
2016-11-24

V8 engine and outboard motor

#17
20160319707
2016-11-03

Hydraulic supply device for valve stopping mechanism

#18
20160305349
2016-10-20

Torque modulation for internal combustion engine

#19
20160290220
2016-10-06

Exhaust-gas-turbocharged internal combustion engine having at least two turbines and switchable outlet openings, and method for operating an internal combustion engine of said type

#20
20150322869
2015-11-12

Internal combustion engine using variable valve lift and skip fire control

#21
20150285162
2015-10-08

Internal combustion engine and control apparatus of the internal combustion engine

#22
20150047586
2015-02-19

Mechanically controllable valve train assembly, internal combustion engine and method for operating an internal combustion engine

#23
20140041382
2014-02-13

Boosted in-line variable-displacement engine

#24
20130276732
2013-10-24

Camshaft to control valve timing

#25
20120210960
2012-08-23

Internal combustion engine having eight cylinders in a V-configuration

#26
20120097121
2012-04-26

System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems

#27
20110219767
2011-09-15

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE EQUIPPED WITH TURBOCHARGER

#28
20100186692
2010-07-29

Valve operation control system for internal combustion engine

#29
20090277407
2009-11-12

Valve train for internal combustion engine

#30
20090152027
2009-06-18

Hybrid vehicle

#31
20090150049
2009-06-11

Internal combustion engine with torque adjustable in each cylinder

#32
20090101090
2009-04-23

CONTROLLER OF VARIABLE VALVE ACTUATOR

#33
20080300773
2008-12-04

Torque delivery

#34
20080245325
2008-10-09

Internal combustion engine comprising a variable valve drive

#35
20080236520
2008-10-02

Multicylinder engine for a vehicle, and vehicle incorporating same

#36
20080017151
2008-01-24

Valve driving device for multi-cylinder internal combustion engine

#37
20070215106
2007-09-20

System and method for controlling auto-ignition

#38
20070209618
2007-09-13

Hybrid vehicle system having engine with variable valve operation

#39
20070193541
2007-08-23

Valve system of V-type engine

#40
20070131196
2007-06-14

System and method for reducing vehicle acceleration during engine transitions

#41
20070074686
2007-04-05

Engine with intake valves operated by camshaft

#42
20070028876
2007-02-08

Multiple cylinder engine

#43
20070000461
2007-01-04

Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device

#44
20060070592
2006-04-06

Multi-cylinder internal combustion engine

#45
20060005814
2006-01-12

Cylinder and valve mode control for an engine with valves that may be deactivated

#46
20060005813
2006-01-12

Cylinder and valve mode control for an engine with valves that may be deactivated

#47
20050279303
2005-12-22

Variable valve unit for vee shape engine

#48
20050268880
2005-12-08

System for controlling valve timing of an engine with cylinder deactivation

#49
20050205060
2005-09-22

Cylinder and valve mode control for an engine with valves that may be deactivated

#50
20050205047
2005-09-22

Electromagnetic valve control in an internal combustion engine with an asymmetric exhaust system design

#51
20050193988
2005-09-08

System for controlling valve timing of an engine with cylinder deactivation

#52
20050010353
2005-01-13

Motor controller of deceleration idling-cylinder engine vehicle