ClassID:

137715

F01M13/028 - CPC Classification

Classification description:

Crankcase ventilating or breathing by means of additional source of positive or negative pressure of positive pressure

Recent Application in this class:
#1
20260146549
2026-05-28

JET PUMP WITH INTEGRATED DIAPHRAGM VALVE FOR OIL DRAINAGE IN A CRANKCASE VENTILATION SYSTEM OF AN INTERNAL COMBUSTION ENGINE

#2
20250347237
2025-11-13

ENGINE

#3
20250179950
2025-06-05

METHOD AND SYSTEM FOR POSITIVE CRANKCASE VENTILATION (PCV) DIAGNOSTICS

#4
20250172098
2025-05-29

CONTROLLER FOR INTERNAL COMBUSTION ENGINE

#5
20250116215
2025-04-10

BLOW-BY GAS RECIRCULATION DEVICE

#6
20250101892
2025-03-27

SYSTEM AND METHOD FOR SUPPLYING A LUBRICATION POINT WITH LUBRICATING OIL

#7
20240271616
2024-08-15

AIR COMPRESSOR CYLINDER LINER

#8
20240200478
2024-06-20

CRANKCASE VENTILATION SYSTEMS INCLUDING INTEGRATED SENSORS AND CONTROLLER

#9
20240068399
2024-02-29

Internal combustion engine abnormality diagnosis device

#10
20230313750
2023-10-05

HYDROGEN ENGINE ACTIVE CRANKCASE VENTILATION SYSTEM FOR MOISTURE REMOVAL AND EXPLOSION MITIGATION

#11
20230086242
2023-03-23

Internal combustion engine and crankcase ventilation system

#12
20220276113
2022-09-01

Leak diagnosis method and leak diagnosis device for blowby gas treatment device of internal combustion engine

#13
20220205375
2022-06-30

Blow-by gas leak diagnostic device

#14
20220112860
2022-04-14

Cylinder head with integrated turbocharger

#15
20200408138
2020-12-31

SYSTEMS AND METHODS OF FORCED AIR INDUCTION IN INTERNAL COMBUSTION ENGINES

#16
20200386131
2020-12-10

Oil decantation system for an internal combustion engine

#17
20200256276
2020-08-13

Abnormality assessment device of internal combustion engine

#18
20200256225
2020-08-13

Abnormality assessment device of internal combustion engine

#19
20200248596
2020-08-06

Heated inlet of a crankcase ventilation system

#20
20200158058
2020-05-21

Positive crankcase ventilation system

#21
20200116055
2020-04-16

Blow-by gas purge apparatus for engine

#22
20200102863
2020-04-02

Blow-by gas treating device

#23
20200032682
2020-01-30

Crankcase ventilation systems

#24
20180291778
2018-10-11

Fluid heating apparatus for engine

#25
20180274409
2018-09-27

Bi-directional fluidic PCV valve assembly and system

#26
20180030937
2018-02-01

Internal combustion engine and method for detecting a leak from a crankcase and/or a tank ventilation system

#27
20180003122
2018-01-04

System and method for a compressor

#28
20170335808
2017-11-23

Ventilation apparatus of internal combustion engine

#29
20170314432
2017-11-02

System for Reverse Crankcase Ventilation During Boosted Engine Operation

#30
20170101912
2017-04-13

Crankcase breech detection for boosted engines

#31
20170058731
2017-03-02

Restrictors using the Venturi effect

#32
20170009679
2017-01-12

Method for crankcase ventilation in a boosted engine

#33
20160319732
2016-11-03

Engine system and controller, control system and control method for engine system

#34
20160312686
2016-10-27

Crankcase ventilation pressure management for turbocharged engine

#35
20160290194
2016-10-06

Crankcase ventilation system having an oil jet pump with an integrated check valve

#36
20160258347
2016-09-08

Systems and methods of forced air induction in internal combustion engines

#37
20160222847
2016-08-04

Crankcase ventilation device for vehicle

#38
20160160802
2016-06-09

Blow-by gas treatment device for internal combustion engine

#39
20160097308
2016-04-07

CRANKCASE VENTILATION SYSTEM

#40
20160047283
2016-02-18

Intake manifold ports and PCV passages integrated into cam cover

#41
20160010522
2016-01-14

Breather structure for internal combustion engine

#42
20150267633
2015-09-24

Closed breather disconnection detection method

#43
20150240732
2015-08-27

Engine system and control method for engine system

#44
20150218981
2015-08-06

System and method for reducing friction

#45
20150136096
2015-05-21

INTERNAL COMBUSTION ENGINE

#46
20150090204
2015-04-02

Crankcase breech detection for boosted engines

#47
20150059719
2015-03-05

System and method for reducing friction in engines

#48
20150034057
2015-02-05

Blowby gas handling assembly for internal combustion engine

#49
20140360454
2014-12-11

Engine system having a backflow valve and method for operation thereof

#50
20140331979
2014-11-13

Positive crankcase ventilation system and method for operation

#51
20140311468
2014-10-23

Blow-by gas refluxing device

#52
20140290241
2014-10-02

Blow-by gas recirculating system for internal combustion engine

#53
20140207360
2014-07-24

Microcontroller for pollution control system for an internal combustion engine

#54
20140076294
2014-03-20

Crankcase ventilation via crankcase pulsation

#55
20130042844
2013-02-21

Engine assembly including positive crankcase ventilation with oil surge protection

#56
20120285425
2012-11-15

Blowby flow control system for a turbocharged engine

#57
20120017865
2012-01-26

Lubricating device for four-stroke engine

#58
20110073083
2011-03-31

Blow-by gas recirculating apparatus for an engine

#59
20110073082
2011-03-31

Blow-by gas refluxing device

#60
20100319665
2010-12-23

Fuel-air separation structure improvement for engine blow-by of vehicles

#61
20100313830
2010-12-16

Crank case ventilator

#62
20100199941
2010-08-12

Internal combustion engine with dry sump lubrication

#63
20100147270
2010-06-17

CRANKCASE BREECH DETECTION FOR BOOSTED ENGINES

#64
20100101514
2010-04-29

Positive crankcase ventilation system, cylinder head used for positive crankcase ventilation system, internal combustion engine including positive crankcase ventilation system, and positive crankcase ventilation method

#65
20100089345
2010-04-15

High vacuum crankcase ventilation

#66
20100077972
2010-04-01

Crankcase pressure regulator for an internal combustion engine

#67
20100012057
2010-01-21

CYLINDER HEAD STRUCTURE FOR INTERNAL COMBUSTION ENGINE

#68
20100000499
2010-01-07

Deaerating and aerating device for a supercharged internal combustion engine

#69
20090301446
2009-12-10

BLOW-BY GAS REFLUX APPARATUS FOR ENGINES WITH SUPERCHARGERS

#70
20090090337
2009-04-09

Engine blow-by gas returning apparatus

#71
20080295814
2008-12-04

Internal combustion engine

#72
20080092864
2008-04-24

Blowby gas passage structure

#73
20080083399
2008-04-10

Blow-by gas processing apparatus

#74
20080011249
2008-01-17

Hydrogen augmented diesel crankcase ventilation

#75
20070157911
2007-07-12

Hydrogen augmented diesel crankcase ventilation

#76
20070144155
2007-06-28

Closed crankcase ventilation system

#77
20050045164
2005-03-03

Blowby gas ventilation system for an internal combustion engine, and method of using same

#78
18205631
2024-02-27

Air intake system of engine

#79
18200328
2024-05-21

Internal combustion engine with ventilation system for crankcase dilution

#80
17562747
2023-03-07

Pump driven crankcase ventilation system

#81
17183248
2022-01-11

Methods and systems for diagnosing a clogged crankcase and for performing a crankcase clean out

#82
17027279
2022-01-11

Method for monitoring crankcase ventilation integrity

#83
16017350
2020-01-07

Positive crankcase ventilation gas diversion and reclamation system

#84
15333412
2018-07-03

Positive crankcase ventilation gas diversion and reclamation system

#85
15072928
2017-06-20

Exhaust leakage management