F01L7/021 - CPC Classification Index

ClassID:

137289 ⎘

F01L7/021 - CPC Classification

Classification description:

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

Sub-classes:

F01L7/022 » {Cylindrical valves having one recess communicating successively with aligned inlet and exhaust ports} 7
F01L7/023 » {Cylindrical valves having a hollow or partly hollow body allowing axial inlet or exhaust fluid circulation} 14
F01L7/024 » {Cylindrical valves comprising radial inlet and axial outlet or axial inlet and radial outlet} 14
F01L7/025 » {Cylindrical valves comprising radial inlet and side outlet or side inlet and radial outlet} 4

Recent Application in this class:

20180135567

2018-05-17

Power system with internal combustion engine

20170114678

2017-04-27

Rotary valve engine system

20170022811

2017-01-26

Fluid rotary machine

20160222839

2016-08-04

SEAL APPARATUS FOR ROTARY VALVE ENGINE

20160195001

2016-07-07

Thermostat valve for a coolant cycle

20150027423

2015-01-29

Mixing valve of an internal combustion engine

20140366818

2014-12-18

Rotary valve internal combustion engine

20140338631

2014-11-20

Internal combustion engines and related methods

20130327306

2013-12-12

Rotary synchronous charge trapping

#10

20130233259

2013-09-12

Rotary cam radial steam engine

#11

20130180492

2013-07-18

Rotary valve system

#12

20130118435

2013-05-16

DISCHARGE VALVE ASSEMBLY FOR TWO-STROKE ENGINE, PROVIDED WITH COOLING, NON-CONTACTING SEAL AND SELF-CLEANING

#13

20120247425

2012-10-04

METHOD AND APPARATUS FOR A HIGH FLOW CYLINDER HEAD FOR INTERNAL COMBUSTION ENGINES

#14

20120164011

2012-06-28

MAGNETIC AIR ENGINE

#15

20120073296

2012-03-29

ROTARY CAM RADIAL STEAM ENGINE

#16

20110277719

2011-11-17

ROTARY INTAKE AND EXHAUST SYSTEM

#17

20110209678

2011-09-01

INTERNAL COMBUSTION ENGINE WITH MODIFIED SHAFT

#18

20100300417

2010-12-02

INTERNAL COMBUSTION ENGINE HAVING A TRANSITIONALLY SEGREGATED COMBUSTION CHAMBER

#19

20100236514

2010-09-23

SEAL FOR A ROTARY VALVE FOR AN INTERNAL COMBUSTION ENGINE

#20

20100018492

2010-01-28

Internal combustion engine

#21

20080264379

2008-10-30

Rotary Engine

#22

20080072866

2008-03-27

Port sealing in a rotary valve

#23

20080066709

2008-03-20

Rotary valves and valve seal assemblies

#24

20070151538

2007-07-05

Rotary valve system and engine using the same

#25

20070151537

2007-07-05

Rotary valve system and engine using the same

#26

20070107679

2007-05-17

Reciprocating cylinder engine

#27

20070017477

2007-01-25

Rotary valve system and engine using the same

#28

20070017476

2007-01-25

Rotary valve system and engine using the same

#29

20070017204

2007-01-25

Internal combustion engine and method

#30

20070017203

2007-01-25

Internal combustion engine and method

#31

20070017202

2007-01-25

Internal combustion engine and method

#32

20070017201

2007-01-25

Internal combustion engine and method

#33

20070017200

2007-01-25

Internal combustion engine and method

#34

20070012291

2007-01-18

Internal combustion engine and method

#35

20070012024

2007-01-18

Internal combustion engine and method

#36

20070012023

2007-01-18

Internal combustion engine and method with improved combustion chamber

#37

20070012022

2007-01-18

Internal combustion engine and method with improved combustion chamber

#38

20070012021

2007-01-18

Internal combustion engine and method with improved combustion chamber

#39

20070012020

2007-01-18

Internal combustion engine and method with improved combustion chamber

#40

20060254554

2006-11-16

Rotary valve system and engine using the same

#41

20060254249

2006-11-16

Internal combustion engine and method with improved combustion chamber

#42

20060243229

2006-11-02

Internal combustion engine and method

#43

20060102130

2006-05-18

Rotary valve

#44

20060086335

2006-04-27

Internal combustion engines

#45

20050103303

2005-05-19

Cylinder head

#46

20050087165

2005-04-28

Valve seal assembly for rotary valve engine

#47

16659540

2020-09-08

Overhead sliding rotary valve assembly and method of use