ClassID:

137232

F01L1/348 - CPC Classification

Classification description:

Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by means acting on timing belts or chains

Recent Application in this class:
#1
20230040266
2023-02-09

Variable timing valve apparatus

#2
20220042426
2022-02-10

VALVE TIMING ADJUSTMENT DEVICE

#3
20210087952
2021-03-25

ENGINE SYSTEM

#4
20200240294
2020-07-30

Internal combustion engine

#5
20200056515
2020-02-20

Trigger wheel with a wave-shaped formed feature for a camshaft phaser

#6
20200040778
2020-02-06

Valve timing adjusting device

#7
20190226365
2019-07-25

OFF-AXIS CAMSHAFT PHASER

#8
20190136723
2019-05-09

Valve timing adjustment device

#9
20190078473
2019-03-14

ELECTRIC PHASER WITH ORBITING ECCENTRIC GEARS

#10
20190048764
2019-02-14

TIMING DRIVE TENSIONER ASSEMBLY WITH PRE-LOAD AND METHOD

#11
20190010837
2019-01-10

Engine variable camshaft timing phaser with planetary gear assembly

#12
20180216503
2018-08-02

TRAVEL STOP FOR PLANETARY GEARS OF AN ELECTRIC PHASER

#13
20170328243
2017-11-16

Variable compression ratio engine camshaft drive

#14
20170321785
2017-11-09

Valvular paths

#15
20170268387
2017-09-21

INTERNAL COMBUSTION ENGINE WITH A CAMSHAFT PHASER

#16
20170254233
2017-09-07

Camshaft adjuster

#17
20170248045
2017-08-31

Engine variable camshaft timing phaser with planetary gear assembly

#18
20170167317
2017-06-15

Valve timing control apparatus of internal combustion engine

#19
20170058725
2017-03-02

Installing structure for electric variable valve timing apparatus

#20
20170030452
2017-02-02

Driving force transmission system for engine

#21
20160281549
2016-09-29

Valve opening/closing timing control device

#22
20160032790
2016-02-04

Internal combustion engine with a camshaft phaser

#23
20150354468
2015-12-10

CONTINUOUS VARIABLE VALVE TIMING WITH INTERMEDIATE LOCK PIN AND METHOD FOR CONTROLLING THE SAME

#24
20100162980
2010-07-01

Variable valve timing apparatus and control method therefor

#25
20090241875
2009-10-01

Apparatus and methods for continuous variable valve timing

#26
20090188453
2009-07-30

Device for setting the relative rotational position of a camshaft of an internal combustion engine relative to a crankshaft driving the camshaft

#27
20090126662
2009-05-21

Engines with variable valve actuation and vehicles including the same

#28
20080070731
2008-03-20

Camshaft drive system for internal combustion engine

#29
20070028866
2007-02-08

Internal combustion engine

#30
20060254547
2006-11-16

Engine

#31
20050014586
2005-01-20

Method of changing the duty cycle frequency of a PWM solenoid on a CAM phaser to increase compliance in a timing drive

#32
17180722
2022-06-07

Variable valve timing method and mechanism