ClassID:

137381

F01L13/0057 - CPC Classification

Classification description:

Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by splittable or deformable cams

Recent Application in this class:
#1
20180003087
2018-01-04

Method for producing a cam profile of a cam pack of a camshaft

#2
20170122142
2017-05-04

Camshaft for the valve drive of an internal combustion engine with a variable valve opening duration

#3
20160273414
2016-09-22

Valve mechanism for internal combustion engine

#4
20150184560
2015-07-02

Variable valve gear for internal combustion engine

#5
20130055977
2013-03-07

Internal combustion engine with variable valve opening characteristics

#6
20120272931
2012-11-01

Combustion engine with variable valve actuation

#7
20120260873
2012-10-18

Camshaft with variable valve opening period

#8
20120160055
2012-06-28

Dual camshaft structure and method for assembling dual camshaft structure

#9
20120137999
2012-06-07

Variable valve driving apparatus

#10
20120048219
2012-03-01

Variable valve lift apparatus

#11
20100186698
2010-07-29

Concentric cam with phaser

#12
20090126662
2009-05-21

Engines with variable valve actuation and vehicles including the same

#13
20080115750
2008-05-22

Combustion engine comprising a control cam

#14
20070245990
2007-10-25

Bearing between two coaxial camshafts for automotive engines in particular

#15
20070240657
2007-10-18

Adjustable camshaft, in particular for internal combustion engines for motor vehicles having a hydraulic adjusting device

#16
20070144469
2007-06-28

Camshaft

#17
20060169235
2006-08-03

Internal combustion engine

#18
20060011161
2006-01-19

Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams

#19
20050279302
2005-12-22

Engine with variable valve timing

#20
20050188936
2005-09-01

Positively guided valve drive

#21
20050092274
2005-05-05

Device for converting a rotational movement into a reciprocating movement

#22
20050056243
2005-03-17

Device for the variable control of gas exchange valves in an internal combustion engine