ClassID:

137713

F01M2013/026 - CPC Classification

Classification description:

Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure with pumps sucking air or blow-by gases from the crankcase

Recent Application in this class:
#1
20250270946
2025-08-28

DIESEL EXHAUST FLUID COOLING SYSTEM

#2
20240301810
2024-09-12

COMPRESSOR HOUSING PVC PASSAGE BOSS FOR REDUCING CRANKCASE PRESSURE

#3
20230374956
2023-11-23

Vehicle drive comprising vacuum system and ejector

#4
20230203971
2023-06-29

Internal combustion engine with a crankcase ventilation means

#5
20210270212
2021-09-02

TANK VENTILATION

#6
20210270157
2021-09-02

Blow-by gas system

#7
20210189925
2021-06-24

Suction device for crankcase ventilation

#8
20210131451
2021-05-06

Switched suction jet pump

#9
20200386131
2020-12-10

Oil decantation system for an internal combustion engine

#10
20200291833
2020-09-17

Internal combustion engine for a motor vehicle

#11
20200157986
2020-05-21

Internal combustion engine with a turbo charger unit

#12
20200141293
2020-05-07

Crankcase ventilation system for an internal combustion engine

#13
20200088076
2020-03-19

Oil-separating device

#14
20190242332
2019-08-08

Separation device, motor device, and separation method

#15
20190234262
2019-08-01

Blow-by gas treatment device for internal combustion engine

#16
20190211721
2019-07-11

Method for controlling a pressure in a crankcase

#17
20190120098
2019-04-25

VALVE, OIL SEPARATOR, AND VENTILATION SYSTEM

#18
20190078475
2019-03-14

Oil separator for separating oil from aerosol in a combustion engine

#19
20190048768
2019-02-14

Ejector device and combination of a cylinder head cover and an ejector device

#20
20180334974
2018-11-22

Method for crankcase ventilation in a boosted engine

#21
20180274410
2018-09-27

Multi-stage jet suction pump

#22
20180187582
2018-07-05

Blow-by gas recirculation device for internal combustion engine

#23
20180171841
2018-06-21

Cylinder head cover and method for producing a cylinder head cover

#24
20180171840
2018-06-21

Engine head cover

#25
20180156168
2018-06-07

Blow-by gas recirculation device for internal combustion engine

#26
20180030937
2018-02-01

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

#27
20180030868
2018-02-01

Pump device for driving blow-by-gas

#28
20180017084
2018-01-18

Side-channel blower for an internal combustion engine, comprising a wide interrupting gap

#29
20180017069
2018-01-18

Side-channel blower for an internal combustion engine

#30
20170284318
2017-10-05

Systems and methods for reduced oil carryover

#31
20170241356
2017-08-24

Control device for internal combustion engine and internal combustion engine

#32
20170191485
2017-07-06

Air-flow circuit for air flow through a bearing enclosure

#33
20170107873
2017-04-20

Method and apparatus

#34
20170058731
2017-03-02

Restrictors using the Venturi effect

#35
20170009679
2017-01-12

Method for crankcase ventilation in a boosted engine

#36
20160319732
2016-11-03

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

#37
20160201552
2016-07-14

Crankcase ventilating evacuator

#38
20160177892
2016-06-23

Valve for regeneration in turbocharger operation

#39
20160138442
2016-05-19

Crankcase ventilation apparatus

#40
20160090881
2016-03-31

Separator

#41
20160025091
2016-01-28

Pump system

#42
20150240732
2015-08-27

Engine system and control method for engine system

#43
20150053188
2015-02-26

Blow-by gas ventilation device

#44
20150013625
2015-01-15

REMOVING OF BLOW-BY GAS OUT OF CRANKCASE WITHOUT AUXILIARY DRIVE

#45
20150000388
2015-01-01

Device and method for ascertaining measured values of gases and/or an aerosol for a machine

#46
20140352539
2014-12-04

Oil mist separator for a crankcase ventilation for separating particles and corresponding method

#47
20140311468
2014-10-23

Blow-by gas refluxing device

#48
20140165977
2014-06-19

Separator

#49
20140053818
2014-02-27

System and method for monitoring blow-by in a combustion engine

#50
20140014080
2014-01-16

Aspirator for crankcase ventilation and vacuum generation

#51
20130213369
2013-08-22

Ejector

#52
20120255529
2012-10-11

Regulator

#53
20120247438
2012-10-04

Blowby gas returning apparatus for engine with supercharger

#54
20120198836
2012-08-09

Light turbo compound engine variant

#55
20120145135
2012-06-14

Attachment structure of vacuum pump

#56
20120023878
2012-02-02

Apparatus for treating crankcase gases from engines

#57
20110073082
2011-03-31

Blow-by gas refluxing device

#58
20100294218
2010-11-25

Device for ventilating a crankcase

#59
20100051388
2010-03-04

Apparatus for treating crankcase gases from engines

#60
20090298011
2009-12-03

Suction Machine

#61
20090107425
2009-04-30

Blow-by gas reducing device

#62
20070267003
2007-11-22

System for venting the crankcase of a turbo-charged internal combustion engine

#63
20070144155
2007-06-28

Closed crankcase ventilation system

#64
20070107709
2007-05-17

Closed crankcase ventilation system

#65
20060219230
2006-10-05

Combustion-gas recirculation system

#66
20060196482
2006-09-07

Blow-by gas and purge gas treating device in intake valve lift variable engine

#67
20060102429
2006-05-18

Control apparatus for dry sump type internal combustion engine

#68
18141579
2024-04-02

Pre-heated crankcase ventilation system architecture