ClassID:

137497

F01L2800/06 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20250116213
2025-04-10

SYSTEM AND METHOD FOR ACTUATING ENGINE VALVES INCLUDING A RECOMPRESSION RELIEF VALVE EVENT

#2
20250020072
2025-01-16

Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other

#3
20240175380
2024-05-30

TWO-STEP CAM CONTROLLED EXHAUST VALVE DEACTIVATION TO OPERATE A DIVIDED EXHAUST BOOST SYSTEM

#4
20220243621
2022-08-04

Internal combustion engine with fast combustion and method of control of such an engine

#5
20210071594
2021-03-11

Multi-mode valve lift

#6
20200191022
2020-06-18

Valve train with switchable engine braking

#7
20190178116
2019-06-13

Variable valve train of an internal combustion engine

#8
20190078473
2019-03-14

ELECTRIC PHASER WITH ORBITING ECCENTRIC GEARS

#9
20180363517
2018-12-20

Variable valve train of a combustion engine

#10
20180306073
2018-10-25

Discrete variable valve lift engine systems and methods

#11
20180291824
2018-10-11

System and method for intake manifold pressure control

#12
20180080350
2018-03-22

Valve train for an engine

#13
20170356372
2017-12-14

System and method for intake manifold pressure control

#14
20170167407
2017-06-15

System and method for controlling valve timing of continuous variable valve duration engine

#15
20170152771
2017-06-01

Valve device for internal combustion engine

#16
20170107866
2017-04-20

Variable valve duration system and engine provided with the same

#17
20160032843
2016-02-04

Method and system for diagonal blow-through exhaust gas scavenging

#18
20130220272
2013-08-29

Engine control apparatus

#19
20130074801
2013-03-28

Internal combustion engine

#20
20120290197
2012-11-15

Control device for changing phase of multiple independent intake valves in engine

#21
20120210979
2012-08-23

Intake apparatus of engine

#22
20110220041
2011-09-15

Accelerated compression ignition engine for HCCI

#23
20110139099
2011-06-16

Dual intake valve system with one deactivation valve and one multi-lift valve for swirl enhancement

#24
20110107987
2011-05-12

Variable valve device for internal combustion engine

#25
20100294220
2010-11-25

Internal combustion engine with two intake valves per cylinder which are actuated hydraulically and have differentiated return springs

#26
20100269771
2010-10-28

Method and apparatus for operating an internal combustion engine

#27
20100212619
2010-08-26

Internal combustion engine with variable valve gear

#28
20100212618
2010-08-26

Internal combustion engine with variable valve gear

#29
20100212617
2010-08-26

Internal combustion engine with variable valve gear

#30
20100212614
2010-08-26

Internal combustion engine with variable valve gear

#31
20090277408
2009-11-12

Variable valve operating device and valve opening amount adjustment method

#32
20090223220
2009-09-10

Two phase exhaust for internal combustion engine

#33
20090151673
2009-06-18

Variable valve system

#34
20090151669
2009-06-18

Variable valve lift apparatus

#35
20080314341
2008-12-25

Electromagnetically-driven valve

#36
20080308077
2008-12-18

Indirect-injection internal-combustion engine, notably spark-ignition supercharged engine, with two intake means for carrying out a burnt gas scavenging stage

#37
20080245325
2008-10-09

Internal combustion engine comprising a variable valve drive

#38
20080060596
2008-03-13

Desmodromic valve system including single cam surface for closing and opening the valve

#39
20070209618
2007-09-13

Hybrid vehicle system having engine with variable valve operation

#40
20070157901
2007-07-12

System and method for controlling auto-ignition

#41
20070144474
2007-06-28

Variable valve operating mechanism

#42
20070130948
2007-06-14

Drive device for a motor vehicle

#43
20070119168
2007-05-31

Turbocharged internal combustion engine

#44
20070039586
2007-02-22

Internal combustion engine capable of selectively resting certain cylinders during low-load operation, and method of using same

#45
20070000461
2007-01-04

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

#46
20060260574
2006-11-23

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

#47
20060048981
2006-03-09

High output and efficiency internal combustion engine

#48
20050279303
2005-12-22

Variable valve unit for vee shape engine

#49
20050205047
2005-09-22

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

#50
20050087157
2005-04-28

Internal combustion engine and camshaft thereof

#51
20050022755
2005-02-03

Spark ignition engine control device