F01L2003/25 - CPC Classification Index

ClassID:

137267 ⎘

F01L2003/25 - 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

Sub-classes:

F01L2003/251 » {Large number of valves, e.g. five or more} 9
F01L2003/253 » {configured parallel to piston axis} 9
F01L2003/255 » {configured other than parallel or symetrical relative to piston axis} 13
F01L2003/256 » {configured other than perpendicular to camshaft axis} 13
F01L2003/258 » {opening away from cylinder} 37

Recent Application in this class:

20210340890

2021-11-04

Stem seal for valve assembly of machine engine

20200232354

2020-07-23

Internal combustion engine with at least one hollow-head valve

20190242278

2019-08-08

Internal combustion engine having a valve actuation device

20170350247

2017-12-07

Air motor and pump comprising such a motor

20170218799

2017-08-03

Two stroke, opposed piston engine with compression release brake arrangement and method

20160348608

2016-12-01

Internal combustion engine

20130269656

2013-10-17

High-pressure pump

20130195703

2013-08-01

Poppet valve assembly

20130008303

2013-01-10

Air motor

#10

20120279471

2012-11-08

SPARK IGNITION FOUR-STROKE CYCLE ENGINE

#11

20120210974

2012-08-23

Gas-powered tool motor

#12

20120164011

2012-06-28

MAGNETIC AIR ENGINE

#13

20120079718

2012-04-05

Method of manufacturing a positive displacement injection pump

#14

20120006295

2012-01-12

ENGINE ASSEMBLY INCLUDING ASYMMETRIC EXHAUST VALVE CONFIGURATION

#15

20110277713

2011-11-17

Harmonic drive camshaft phaser with a compact drive sprocket

#16

20110220041

2011-09-15

Accelerated compression ignition engine for HCCI

#17

20110107990

2011-05-12

Engine having concentric camshaft with differential valve lift

#18

20110006240

2011-01-13

Retractable and expandable water cooled valve gate useful for sealing a hot processing chamber

#19

20110006235

2011-01-13

Retractable and expandable valve gate

#20

20100215519

2010-08-26

AIR OPERATED DOUBLE DIAPHRAGM OVER CENTER VALVE PUMP

#21

20100166645

2010-07-01

Compact pressure swing reformer

#22

20100095916

2010-04-22

Lifter guide

#23

20100040497

2010-02-18

Poppet valve assembly

#24

20090084360

2009-04-02

Variable displacement pump with an anti-stiction device

#25

20080267795

2008-10-30

Positive displacement injection pump

#26

20080199323

2008-08-21

Reciprocating Pump with Electronically Monitored Air Valve and Piston

#27

20080184956

2008-08-07

Internal combustion engine

#28

20080169326

2008-07-17

Venting check valve for combustion nailer

#29

20080148932

2008-06-26

Hydraulic motor

#30

20080115926

2008-05-22

Collar assembly for pump thrust rod used to activate microswitch valve on chemical injection pump

#31

20070272178

2007-11-29

Semi-active compressor valve

#32

20070131289

2007-06-14

Pressure balanced three-way valve for motion control

#33

20070046236

2007-03-01

Actuator with feedback for end stop positioning

#34

20060230917

2006-10-19

Continuous reciprocating linear motion device

#35

20060144369

2006-07-06

Engine

#36

20060082950

2006-04-20

Air valve for an air driven reciprocating device

#37

20050199119

2005-09-15

Shaft coupling and shifting mechanism for pneumatic pump

#38

20050072800

2005-04-07

Fluid powered proportioning pump and post-mix beverage dispenser system using same