ClassID:

137288

F01L7/02 - CPC Classification

Classification description:

Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves

Sub-classes:
Recent Application in this class:
#1
20250305446
2025-10-02

OPPOSED-PISTON INTERNAL COMBUSTION ENGINE

#2
20220282620
2022-09-08

Engine with gas exchange through piston rod

#3
20210095591
2021-04-01

Spool shuttle crossover valve and combustion chamber in split-cycle engine

#4
20210095582
2021-04-01

ENGINE WITH ROTATING VALVE ASSEMBLY

#5
20200284149
2020-09-10

Engine with work stroke and gas exchange through piston rod

#6
20200277883
2020-09-03

Method and Apparatus for Rotating Sleeve Engine Hydrodynamic Seal

#7
20200157981
2020-05-21

Electro-mechanical variable valve mechanism, control unit for variable valve mechanism, electro-mechanical variable valve system and control method thereof

#8
20200056480
2020-02-20

Engine with work stroke and gas exchange through piston rod

#9
20200024946
2020-01-23

Engine with work stroke and gas exchange through piston rod

#10
20190345851
2019-11-14

Side Draft, Slide Valve Aspiration

#11
20190257225
2019-08-22

Enhanced oiling for sliding valve aspiration system

#12
20190242299
2019-08-08

Split-cycle engine with a variable displacement compressor and a rotary motor

#13
20190136724
2019-05-09

Four-way hydraulic valve flow control body

#14
20190055881
2019-02-21

Spool shuttle crossover valve and combustion chamber in split-cycle engine

#15
20180345654
2018-12-06

Device for treating substrates

#16
20180266308
2018-09-20

Split cycle engine with crossover shuttle valve

#17
20180119582
2018-05-03

Reciprocating cylinder liner seal assembly

#18
20180106150
2018-04-19

Engine with compression and momentum stroke

#19
20170058759
2017-03-02

Spool shuttle crossover valve and combustion chamber in split-cycle engine

#20
20170016536
2017-01-19

Gapless piston ring for internal combustion engine

#21
20170016393
2017-01-19

Engine with compression and momentum stroke

#22
20170016360
2017-01-19

Timed gas exchange in engine using piston as exhaust valve

#23
20170016331
2017-01-19

Piston assembly for internal combustion engine

#24
20170016330
2017-01-19

Engine with piston that overshoots cylinder wall exhaust port

#25
20170016328
2017-01-19

Gas exchange through engine piston rod

#26
20170009701
2017-01-12

Variable volume transfer shuttle capsule and valve mechanism

#27
20160201583
2016-07-14

Multi-cylinder Otto-cycle engine and method for operating the same

#28
20160138441
2016-05-19

Internal combustion engine

#29
20150337971
2015-11-26

Fuel cell compound valve for vehicle

#30
20150315959
2015-11-05

Spool shuttle crossover valve in split-cycle engine

#31
20150204235
2015-07-23

Rotary valve internal combustion engine

#32
20140251256
2014-09-11

Double-reed exhaust valve engine

#33
20130025571
2013-01-31

INTERNAL COMBUSTION ENGINE

#34
20120193073
2012-08-02

DEVICE FOR BUILDING VENTILATION

#35
20120192827
2012-08-02

Sliding valve aspiration

#36
20120104301
2012-05-03

VALVES FOR STEAM ENGINE WITH ROTATING PISTON AND DRIVE THEREOF

#37
20110192363
2011-08-11

Valve arrangement for a combustion engine

#38
20110061617
2011-03-17

Intake and exhaust apparatus for four-stroke internal-combustion engine

#39
20110025170
2011-02-03

Electroactive polymer device

#40
20100263181
2010-10-21

Method of fabricating an electroactive polymer transducer

#41
20100012071
2010-01-21

Sliding valve aspiration system

#42
20090288630
2009-11-26

Zero float valve for internal combustion engine and method of operation thereof

#43
20090199828
2009-08-13

Air injection engine

#44
20090184606
2009-07-23

ROLLED ELECTROACTIVE POLYMERS

#45
20080236535
2008-10-02

Rotary valve for an internal combustion engine

#46
20080210192
2008-09-04

Cylinder head for an internal combustion engine

#47
20080210191
2008-09-04

Cylinder head arrangement including a rotary valve

#48
20080168962
2008-07-17

Internal Combustion Engine

#49
20080156286
2008-07-03

System and method for controlling fluid flow to or from a cylinder of an internal combustion engine

#50
20080135001
2008-06-12

Exhaust valve arrangement and a fuel system incorporating an exhaust valve arrangement

#51
20080072852
2008-03-27

Cylinder head for rotary valve internal combustion engine

#52
20080022517
2008-01-31

Methods for fabricating an electroactive polymer device

#53
20070251485
2007-11-01

Gas and oil sealing in a rotary valve

#54
20060236959
2006-10-26

Pneumatically actuated valve for internal combustion engines

#55
20060130783
2006-06-22

Rotary valve

#56
20060124087
2006-06-15

Valve

#57
20060124085
2006-06-15

Air injection engine

#58
20060086335
2006-04-27

Internal combustion engines

#59
20050274348
2005-12-15

Engine valve assembly

#60
20050166885
2005-08-04

Rotary valve seal

#61
20050103303
2005-05-19

Cylinder head

#62
20050045122
2005-03-03

Two-cycle engine