ClassID:

138901

F02B75/042 - CPC Classification

Classification description:

Other engines; Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of cylinder or cylinderhead positioning the cylinderhead comprising a counter-piston

Recent Application in this class:
#1
20210207524
2021-07-08

Systems and methods of compression ignition engines

#2
20200182146
2020-06-11

Variable compression ratio engine

#3
20200072327
2020-03-05

Power delivery devices for reciprocating engines and related systems and methods

#4
20190360560
2019-11-28

Power delivery devices for reciprocating engines, pumps, and compressors, and related systems and methods

#5
20190301362
2019-10-03

Method for providing variable compression ratio in an internal combustion engine and actuator for said method

#6
20190186508
2019-06-20

Cylinder occupying structure

#7
20190078499
2019-03-14

Systems and methods of compression ignition engines

#8
20180306071
2018-10-25

Method for a diesel engine and diesel engine

#9
20180223723
2018-08-09

Systems and methods of compression ignition engines

#10
20170284290
2017-10-05

Variable compression ratio engine

#11
20170218838
2017-08-03

VARIABLE COMPRESSION CYLINDER HEAD, CRANKSHAFT, AND PISTON ROD AND SYSTEM THEREOF

#12
20170204777
2017-07-20

Systems and methods of compression ignition engines

#13
20170067546
2017-03-09

Power delivery devices for reciprocating engines and related systems and methods

#14
20170022883
2017-01-26

Mesh anchored combustion internal combustion engine

#15
20160363198
2016-12-15

Power delivery devices for reciprocating engines and related systems and methods

#16
20160326945
2016-11-10

Internal combustion engine with an adjustable volume induction chamber

#17
20160138441
2016-05-19

Internal combustion engine

#18
20160053669
2016-02-25

VCRC engine with insulated chambers

#19
20150369139
2015-12-24

Method and system for adjusting a compression ratio

#20
20150267608
2015-09-24

Variable compression cylinder head, crankshaft, and piston rod and system thereof

#21
20150114356
2015-04-30

Variable compression ratio apparatus

#22
20150101574
2015-04-16

Variable compression ratio engine

#23
20140352653
2014-12-04

Power delivery devices for reciprocating engines and related systems and methods

#24
20140165969
2014-06-19

Variable compression ratio device and internal combustion engine using the same

#25
20140090615
2014-04-03

Split cycle phase variable reciprocating piston spark ignition engine

#26
20130220279
2013-08-29

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

#27
20130008408
2013-01-10

High efficiency internal explosion engine

#28
20120283932
2012-11-08

TWO-STROKE INTERNAL COMBUSTION ENGINE WITH VARIABLE COMPRESSION RATIO AND AN EXHAUST PORT SHUTTER AND A METHOD OF OPERATING SUCH AN ENGINE

#29
20120199098
2012-08-09

Internal combustion engine

#30
20120145129
2012-06-14

Compensating arrangement for a variable compression ratio engine

#31
20120089316
2012-04-12

Single piston sleeve valve with optional variable compression ratio capability

#32
20120085302
2012-04-12

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

#33
20110221208
2011-09-15

Opposed piston electromagnetic engine

#34
20110132333
2011-06-09

INTERNAL COMBUSTION ENGINE WITH WORKING, PISTON AND CONTROL PISTON

#35
20100242919
2010-09-30

Cam actuation mechanism with application to a variable-compression internal-combustion engine

#36
20090223491
2009-09-10

Variable compression ratio engine

#37
20090223483
2009-09-10

Power linkage assembly for a high efficiency internal explosion engine

#38
20090090334
2009-04-09

Opposed piston electromagnetic engine

#39
20080053303
2008-03-06

Free piston pressure spike modulator for any internal combustion engine

#40
20070256658
2007-11-08

COMBINED VARIABLE COMPRESSION RATIO AND PASSIVE IGNITION SYSTEM

#41
20070089694
2007-04-26

Internal combustion engine with sidewall combustion chamber and method

#42
20070084428
2007-04-19

Homogeneous charge compression ignition engine and method of operating

#43
20060118068
2006-06-08

Constant optimum total compression: real-time manipulation of combustion chamber volume as a means of optimizing compression in internal combustion engines

#44
20050284444
2005-12-29

Asymmetrical thermodynamic cycle and engine to implement it

#45
16998771
2022-02-15

Four stroke relative motion cylinder with dedicated compression space

#46
14611761
2016-01-19

Variable volume combustion chamber system