ClassID:

138328

F01P3/08 - CPC Classification

Classification description:

Liquid cooling; Arrangements for cooling pistons Cooling of piston exterior only, e.g. by jets

Recent Application in this class:
#1
20260126125
2026-05-07

VALVE SYSTEM

#2
20250129735
2025-04-24

Control device for internal combustion engine

#3
20250101928
2025-03-27

IN-VEHICLE CONTROL DEVICE AND METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE

#4
20250059899
2025-02-20

Internal Combustion Engine Control Device and Internal Combustion Engine Control Method

#5
20230374931
2023-11-23

Cooling system for a gas engine piston, gas engine, cooling method for gas engine piston

#6
20230265777
2023-08-24

Optimized piston temperature control in gaseous fuel hydrogen engine system

#7
20230243282
2023-08-03

Twin-jet piston cooling nozzle made of plastic material

#8
20230072896
2023-03-09

Engine unit

#9
20220390326
2022-12-08

Neutronic engine

#10
20220356834
2022-11-10

Pistons and piston assemblies for internal combustion engines

#11
20220298938
2022-09-22

Internal combustion engine with internal oil heating of blowby gas

#12
20220268197
2022-08-25

Heating oil for enhanced active thermal coolant system

#13
20220018269
2022-01-20

Diagnostic method for an oil piston cooling jet valve, diagnostic device, control unit, motor vehicle

#14
20210355856
2021-11-18

Oil-spray tube with poppet valve

#15
20210246815
2021-08-12

Nozzle for cooling engine pistons

#16
20210231529
2021-07-29

Oil pressure switch, apparatus for diagnosing piston cooling oil jet, and method of controlling the same

#17
20210148276
2021-05-20

Captive screw spray nozzle

#18
20210054775
2021-02-25

Piston cooling system

#19
20210033019
2021-02-04

Piston cooling jet system

#20
20200392889
2020-12-17

Systems and methods for controlling piston cooling nozzles using control valve actuator

#21
20200386143
2020-12-10

Fluid compressor and method of operating a fluid compressor to reduce oil carryover by a compressor piston assembly

#22
20200200066
2020-06-25

Axial fluid spray nozzle with vent valve

#23
20190368606
2019-12-05

Piston with cooling oil diverter

#24
20190353057
2019-11-21

Adapter for roller tappet of engine and engine roller tappet assembly including same

#25
20190323411
2019-10-24

Piston cooling system

#26
20190195735
2019-06-27

Oil pressure switch, apparatus for diagnosing piston cooling oil jet, and method of controlling the same

#27
20190178146
2019-06-13

TWO-PIECE TYPE OIL JET ASSEMBLY AND METHOD OF MANUFACTURING THE SAME

#28
20190145301
2019-05-16

Piston cooling jets

#29
20190107033
2019-04-11

Valve for adjusting a cooling fluid flow for piston cooling

#30
20190085740
2019-03-21

INTERNAL COMBUSTION ENGINE

#31
20190078493
2019-03-14

Method and system for diagnosing failure of piston cooling device

#32
20190063274
2019-02-28

Lubricating nozzle with simplified production

#33
20190003368
2019-01-03

Vertical multicylinder straight engine

#34
20180363537
2018-12-20

Piston cooling jet assembly

#35
20180355819
2018-12-13

Piston

#36
20180306096
2018-10-25

OIL JET FOR INTERNAL COMBUSTION ENGINE AND PISTON COOLING DEVICE FOR INTERNAL COMBUSTION ENGINE

#37
20180283257
2018-10-04

Piston cooling device

#38
20180274405
2018-09-27

CONTROL DEVICE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

#39
20180230871
2018-08-16

Internal combustion engine

#40
20180202346
2018-07-19

PISTON BEARING ASSEMBLY FOR AN OPPOSED-PISTON ENGINE

#41
20180126405
2018-05-10

Oil jet device

#42
20170370273
2017-12-28

Piston cooling for opposed-piston engine

#43
20170362973
2017-12-21

Engine assembly

#44
20170350304
2017-12-07

Piston cooling device

#45
20170342891
2017-11-30

APPARATUS AND METHOD FOR CONTROLLING PISTON COOLING OIL JET

#46
20170306832
2017-10-26

Piston cooling for opposed-piston engines

#47
20170284277
2017-10-05

Pilot Operated Piston Oil Cooling Jet Control Valve

#48
20170260927
2017-09-14

Galleryless piston with cutout above pin bore

#49
20170254291
2017-09-07

GALLERYLESS PISTON WITH SLOTTED RING GROOVE

#50
20170198625
2017-07-13

Connecting rod and assembly comprising a piston and a connecting rod

#51
20170159516
2017-06-08

GDCI engine with accelerated oil warm-up

#52
20170138298
2017-05-18

Systems and methods for piston cooling

#53
20170130639
2017-05-11

PISTON COOLING JET FOR AN INTERNAL COMBUSTION ENGINE

#54
20170130623
2017-05-11

Lubrication system for an internal combustion engine, and method for lubrication

#55
20170107890
2017-04-20

Laminar flow of piston cooling jets

#56
20170058751
2017-03-02

Piston cooling structure in combustion engine

#57
20170030292
2017-02-02

Assembly of a piston and an oil spray nozzle for an internal combustion engine

#58
20160369740
2016-12-22

Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine

#59
20160363040
2016-12-15

APPARATUS AND METHOD FOR DIAGNOSING FAILURE OF PISTON COOLING JET OF ENGINE

#60
20160363034
2016-12-15

PISTON OIL JET APPARATUS OF ENGINE

#61
20160326920
2016-11-10

Structure for attaching oil jet valve

#62
20160305364
2016-10-20

Systems and methods for piston cooling

#63
20160298523
2016-10-13

Piston for an internal combustion engine and cover plate for a piston

#64
20160273485
2016-09-22

Piston with enhanced cooling and engine assembly employing the same

#65
20160237877
2016-08-18

Oil jet system for internal combustion engine, and control method for oil jet system

#66
20160230640
2016-08-11

Engine oil supply apparatus

#67
20160208734
2016-07-21

Sub-assembly consisting of a piston and an injection nozzle for an internal combustion engine

#68
20160208733
2016-07-21

Piston comprising a piston head cooled by splash lubrication

#69
20160208662
2016-07-21

Multi-link piston-crank mechanism for internal combustion engine

#70
20160201544
2016-07-14

Piston cooling for opposed-piston engines

#71
20160186642
2016-06-30

Oil jet

#72
20160123274
2016-05-05

Piston

#73
20160115901
2016-04-28

Piston for an internal combustion engine

#74
20160115900
2016-04-28

Piston for an internal combustion engine

#75
20160047290
2016-02-18

Device for controlling the supply of a fluid to a system allowing fluid consumption to be optimised

#76
20150377115
2015-12-31

Oil jet abnormality determination apparatus of internal combustion engine and control apparatus of internal combustion engine

#77
20150377096
2015-12-31

Oil level regulating apparatus for an engine

#78
20150369179
2015-12-24

Temperature control apparatus for intercooler

#79
20150354435
2015-12-10

Piston crown cooling gallery insert

#80
20150330286
2015-11-19

Individual piston squirter switching with crankangle resolved control

#81
20150292390
2015-10-15

Oil jet apparatus of internal combustion engine

#82
20150285126
2015-10-08

OIL CHANNEL FOR ENGINE

#83
20150275713
2015-10-01

Method and system of oil delivery in a combustion engine

#84
20150252715
2015-09-10

Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine

#85
20150252697
2015-09-10

Crankcase oil catcher

#86
20150240699
2015-08-27

Valve for controlling piston cooling jets in an internal combustion engine

#87
20150233279
2015-08-20

CLOSED LOOP ELECTRONIC CONTROL FOR THE REDUCTION OF SOOT PRODUCED IN DIESEL, GASOLINE AND ALTERNATIVE-FUELED ENGINES

#88
20150192058
2015-07-09

SELECTIVE INTERNAL DISTRIBUTION OF ENGINE MOTOR OIL

#89
20150184574
2015-07-02

Two-stroke engine with fuel injection

#90
20150184561
2015-07-02

Approach for controlling operation of oil injectors

#91
20150068471
2015-03-12

Control valve for a lubricant nozzle

#92
20150059666
2015-03-05

Internal combustion engine with at least one cylinder

#93
20150040846
2015-02-12

Piston cooling apparatus

#94
20150027388
2015-01-29

Oil jet

#95
20150000618
2015-01-01

Piston assembly

#96
20140305392
2014-10-16

Compact cooling device for an internal combustion engine and method for manufacturing such a device

#97
20140251240
2014-09-11

System and method for cooling engine pistons

#98
20140238317
2014-08-28

Piston cooling system

#99
20140100765
2014-04-10

Approach for controlling operation of oil injectors

#100
20140091161
2014-04-03

Piston cooling jet

#101
20130206084
2013-08-15

Piston with supplemental cooling gallery and internal combustion engine therewith

#102
20130160724
2013-06-27

COOLING STRUCTURE OF PISTON IN ENGINE

#103
20130152883
2013-06-20

Device for controlling supply of a system with a fluid

#104
20130139768
2013-06-06

Cooling device for engine

#105
20130019834
2013-01-24

Oil squirter

#106
20120296518
2012-11-22

Method to diagnose a fault of an oil piston cooling jets valve

#107
20120234286
2012-09-20

Lubrication system for an internal combustion engine, and method for lubrication

#108
20100224143
2010-09-09

OIL SPRAY LUBRICATION AND COOLING DEVICE FOR A VARIABLE COMPRESSION RATIO ENGINE

#109
20100095910
2010-04-22

Nylon body located piston cooling nozzle

#110
20100037839
2010-02-18

Nozzle, lubrication system and internal combustion engine comprising such a nozzle or such a system

#111
20100031917
2010-02-11

Internal combustion engine

#112
20100001103
2010-01-07

Piston cooling jet with tracking ball orifice

#113
20090235895
2009-09-24

Lubrication structure for engine

#114
20090044768
2009-02-19

Piston squirter system and method

#115
20080308353
2008-12-18

Lubrication System and Internal Combustion Engine Comprising Such a System

#116
20080295900
2008-12-04

Fluid jet for providing fluid under pressure to a desired location

#117
20080295683
2008-12-04

FOCAL OILING FOR A PISTON ASSEMBLY

#118
20080223318
2008-09-18

Cooling sprayer with valve

#119
20080210314
2008-09-04

Fluid jet with noise reducing sleeve

#120
20080078339
2008-04-03

Piston for an internal combustion engine and combination a piston provided with an oil injection device

#121
20080035101
2008-02-14

Oil supply for an internal combustion engine

#122
20080017139
2008-01-24

Piston spray nozzle

#123
20070200439
2007-08-30

Cooling oil delivery structure for a vehicular generator, and engine including same

#124
20070108315
2007-05-17

Spray nozzle for cooling the piston of an internal combustion engine

#125
20070022981
2007-02-01

Device for cooling at least one piston of an internal combustion engine

#126
20060249103
2006-11-09

Concentric piston for variable compression ratio directly based on the combustion chamber pressure

#127
20060243226
2006-11-02

Controlled leakage valve for piston cooling nozzle

#128
20060169332
2006-08-03

Pressure actuated valve

#129
20060169331
2006-08-03

Fluid jet with noise reducing sleeve

#130
20060169224
2006-08-03

Piston-cooling arrangement for an internal combustion engine

#131
20060144352
2006-07-06

Piston cooling device

#132
20050252997
2005-11-17

Temperature-controlled oil spray nozzle for piston cooling

#133
20050193964
2005-09-08

Directed spray jet and installation tool

#134
20050183677
2005-08-25

Piston and cylinder oil squirter rail and system

#135
20050120982
2005-06-09

Separate oil gallery for piston cooling with electronic oil flow control

#136
20050109290
2005-05-26

Multi-cylinder engine

#137
20050098122
2005-05-12

Piston cooling nozzle with small distance between axes

#138
20050092265
2005-05-05

Cooling nozzle mounting arrangement

#139
20050081802
2005-04-21

Engine piston cooling system

#140
20050076859
2005-04-14

Piston cooling system for an internal combustion engine

#141
20050072476
2005-04-07

Fluid jet for providing fluid under pressure to a desired location

#142
20050014583
2005-01-20

Four-stroke-cycle engine provided with belt driven-type continuously variable transmission mechanism

#143
20050000474
2005-01-06

Vertical engine and outboard engine system

#144
18298722
2024-03-12

Dual spray piston cooling jet device

#145
17739611
2023-01-03

PCJ solenoid valve diagnostic method

#146
17530698
2022-07-19

Piston cooling apparatus of engine and method for controlling the same

#147
16168187
2020-03-17

Internal combustion engine including piston cooling jets