ClassID:

137272

F01L2003/258 - CPC Classification

Classification description:

Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof; Valve configurations in relation to engine opening away from cylinder

Recent Application in this class:
#1
20230407747
2023-12-21

COMPRESSED-AIR ENGINE WITH INTEGRATED ACTIVE CHAMBER AND ACTIVE DISTRIBUTION WITH BALANCED VALVE

#2
20200217244
2020-07-09

Internal combustion engine arrangement

#3
20170211435
2017-07-27

Compressed-air engine with an integrated active chamber and with active intake distribution

#4
20160281552
2016-09-29

Valve arrangement

#5
20160251069
2016-09-01

Marine propulsion unit and a valve for a marine propulsion unit

#6
20140283772
2014-09-25

Lost-motion variable valve actuation system with cam phaser

#7
20140182529
2014-07-03

Lost-motion variable valve actuation system with valve deactivation

#8
20130152889
2013-06-20

Lost-motion variable valve actuation system

#9
20120192841
2012-08-02

SPLIT-CYCLE AIR HYBRID ENGINE WITH DWELL CAM

#10
20120192840
2012-08-02

Lost-motion variable valve actuation system with valve deactivation

#11
20120192818
2012-08-02

Lost-motion variable valve actuation system with cam phaser

#12
20120192817
2012-08-02

VARIABLE FORCE VALVE SPRING

#13
20120017860
2012-01-26

Pressure balanced engine valves

#14
20120012089
2012-01-19

Knock resistant split-cycle engine and method

#15
20110277711
2011-11-17

Method and system for internal combustion engine

#16
20110017181
2011-01-27

Crossover valve systems

#17
20100236533
2010-09-23

Valve Seat Insert for a Split-Cycle Engine

#18
20100180875
2010-07-22

Seating control device for a valve for a split-cycle engine

#19
20100180848
2010-07-22

Valve lash adjustment system for a split-cycle engine

#20
20100180847
2010-07-22

Valve lash adjustment system for a split-cycle engine

#21
20100126442
2010-05-27

Variable valve actuator with a pneumatic booster

#22
20090314233
2009-12-24

Valve assembly and method for high temperature internal combustion engines

#23
20090199828
2009-08-13

Air injection engine

#24
20090133648
2009-05-28

Variable valve actuator with a pneumatic booster

#25
20090044778
2009-02-19

Pressure balanced engine valves

#26
20090039300
2009-02-12

Hydro-mechanical valve actuation system for split-cycle engine

#27
20090038599
2009-02-12

Split-cycle engine with a helical crossover passage

#28
20090038598
2009-02-12

Split-cycle engine with early crossover compression valve opening

#29
20090038597
2009-02-12

Knock resistant split-cycle engine

#30
20090038596
2009-02-12

Spark plug location for split-cycle engine

#31
20080276615
2008-11-13

Harmonic engine

#32
20080251041
2008-10-16

Variable valve actuator with a pneumatic booster

#33
20080230028
2008-09-25

Outward-opening gas-exchange valve system for an internal combustion engine

#34
20080054205
2008-03-06

Variable valve actuator with latches at both ends

#35
20070272180
2007-11-29

Variable valve actuator with latch at one end

#36
20070204814
2007-09-06

Split-cycle engine with disc valve

#37
20060124085
2006-06-15

Air injection engine

#38
18909436
2025-05-27

Valve for an overhead cam engine and an overhead cam engine assembly