ClassID:

140834

F02M25/0827 - CPC Classification

Classification description:

Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir; Judging failure of purge control system by monitoring engine running conditions

Recent Application in this class:
#1
20240426264
2024-12-26

Method and device for diagnosing abnormality in vehicle

#2
20230228235
2023-07-20

Method and system for diagnosing an evaporative emissions system

#3
20230109482
2023-04-06

Method and system for diagnosing an evaporative emissions system

#4
20230014329
2023-01-19

Diagnostic for a fuel system

#5
20220364531
2022-11-17

Failure diagnosis method and system of dual purge system

#6
20220364530
2022-11-17

Method and system for determining vapor storage canister restriction

#7
20220136462
2022-05-05

Evaporated fuel treatment apparatus

#8
20210388782
2021-12-16

Engine apparatus

#9
20210363943
2021-11-25

Active dual purge system and method of diagnosing active dual purge system using onboard diagnosis

#10
20210148310
2021-05-20

Method of diagnosing engine purge system

#11
20210102514
2021-04-08

System and method for determining a fuel vapor concentration in a canister of a vehicle evaporative emissions system and for evaluating the canister based on the fuel vapor concentration

#12
20200370497
2020-11-26

Systems and methods for improving vehicle engine stability

#13
20200347804
2020-11-05

Systems and methods for preventing engine stall

#14
20200224598
2020-07-16

Systems and methods for improving vehicle engine stability

#15
20200141361
2020-05-07

Evaporated fuel processing device and control device

#16
20200109674
2020-04-09

Method and system for calculating fuel injection amount of fuel vapor dual purge system

#17
20200032746
2020-01-30

Methods and systems for cloud-based emissions testing

#18
20200003164
2020-01-02

Method for diagnosing leakage of fuel vapor purge system

#19
20200003163
2020-01-02

PURGE SYSTEM

#20
20190368447
2019-12-05

Evaporative emissions control system leak check module including first and second solenoid valves

#21
20190360434
2019-11-28

Systems and methods for onboard canister purge valve flow mapping

#22
20190331062
2019-10-31

Systems and methods for a vehicle cold-start evaporative emissions test diagnostic

#23
20190234326
2019-08-01

Systems and methods for intake system hydrocarbon trap diagnostics

#24
20190186423
2019-06-20

Canister purge system and method for diagnosing purge valve thereof

#25
20190145355
2019-05-16

System and method for determining a fuel vapor concentration in a canister of a vehicle evaporative emissions system and for evaluating the canister based on the fuel vapor concentration

#26
20190145354
2019-05-16

Evaporated fuel processing device

#27
20190040822
2019-02-07

Systems and methods for diagnosing a vehicle fuel system and evaporative emissions control system

#28
20190032613
2019-01-31

Vaporized fuel treatment device and learning method of valve opening start position of sealing valve in vaporized fuel treatment device

#29
20180306074
2018-10-25

Abnormality detection device for engine system detecting an abnormality in a fuel vapor pipe

#30
20180274492
2018-09-27

Fuel vapor treatment apparatus

#31
20180216578
2018-08-02

Tank venting system for an internal combustion engine and method for regenerating a sorption reservoir

#32
20180187614
2018-07-05

Evaporative emissions system check valve monitor for a multi-path purge ejector system

#33
20180030937
2018-02-01

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

#34
20170363046
2017-12-21

Systems and methods for a vehicle cold-start evaporative emissions test diagnostic

#35
20170342946
2017-11-30

Techniques for monitoring purge flow and detecting vapor canister leaks in an evaporative emissions system

#36
20170342919
2017-11-30

Evaporative emissions control system including a purge pump and hydrocarbon sensor

#37
20170335803
2017-11-23

Method for diagnosing the operation of the purging of a canister

#38
20170314512
2017-11-02

Fuel vapor purging diagnostics for a multi-path purge ejector system

#39
20170314480
2017-11-02

Fuel tank venting system for a motor vehicle

#40
20170218886
2017-08-03

Purge valve leak diagnostic robustness improvements for small turbocharged engines

#41
20170211517
2017-07-27

System and methods for controlling fuel vapor canister purge operations

#42
20170159616
2017-06-08

Evaporated fuel treatment devices

#43
20170122227
2017-05-04

Method for air/fuel imbalance detection

#44
20170058809
2017-03-02

METHOD AND DEVICE FOR DIAGNOSING LEAK OF FUEL SYSTEM IN VEHICLE

#45
20170009706
2017-01-12

Diagnostic method for diagnosing sticking of canister purge valve and automotive diagnostic system therefor

#46
20160356247
2016-12-08

Systems and methods for canister filter diagnostics

#47
20160355390
2016-12-08

Fuel vapor blocking valve control

#48
20160061155
2016-03-03

Fuel vapor leakage detection device and method for controlling the same

#49
20160040630
2016-02-11

Route and traffic information-based EVAP system leak test initiation

#50
20150158377
2015-06-11

Systems and methods for managing bleed emissions in plug-in hybrid electric vehicles

#51
20150090233
2015-04-02

Hybrid vehicle fuel vapor canister

#52
20150052986
2015-02-26

Method for diagnosing a tank venting valve

#53
20140299110
2014-10-09

Method for diagnosing a tank ventilation system

#54
20140257668
2014-09-11

Engine-off refueling detection method

#55
20140130781
2014-05-15

Fuel system diagnostics

#56
20130081599
2013-04-04

Method and device for detecting the blocking of a bleed valve of a gasoline vapor filter

#57
20130041539
2013-02-14

Diagnostic method and device for a purge valve of a hybrid motor vehicle

#58
20130014563
2013-01-17

Evaporated fuel leak detecting apparatus

#59
20130000395
2013-01-03

Method and device for detecting the blockage of a gasoline vapor filter purge valve

#60
20120288378
2012-11-15

Safety device for preventing delivery of fuel to a motor vehicle with a running engine

#61
20110114062
2011-05-19

Method and apparatus for controlling engine torque during intrusive testing

#62
20100305828
2010-12-02

Method for checking the operational capability of a fuel tank ventilation valve

#63
20100263730
2010-10-21

Method and device for controlling an internal combustion engine

#64
20100162804
2010-07-01

Method for checking the function of a tank venting valve

#65
20100101311
2010-04-29

Purge gas concentration estimation apparatus

#66
20090293599
2009-12-03

Wind condition based vapor leak detection test

#67
20090292449
2009-11-26

Power output apparatus, vehicle equipped with the same, and method of controlling power output apparatus

#68
20090211560
2009-08-27

Method for Operating a Tank System Comprising a Tank, and Tank System

#69
20090205622
2009-08-20

Controller of internal combustion engine

#70
20090183500
2009-07-23

EVAPORATIVE FUEL TREATMENT APPARATUS FOR INTERNAL COMBUSTION ENGINE

#71
20090133673
2009-05-28

Fuel vapor treatment system

#72
20090078238
2009-03-26

Fuel-evaporated gas processing system and electromagnetic valve device

#73
20080314369
2008-12-25

Fuel vapor treatment system

#74
20080245347
2008-10-09

Method for diagnosing the operation of a purge device of an engine

#75
20080183365
2008-07-31

System for controlling evaporative emissions

#76
20080179121
2008-07-31

Hybrid vehicle

#77
20070283924
2007-12-13

Method of operating an engine at idle speed for operational diagnosis of a purge valve

#78
20070267232
2007-11-22

Diagnostic control device for a hybrid vehicle

#79
20070266998
2007-11-22

Leak detecting apparatus and fuel vapor treatment apparatus

#80
20070255485
2007-11-01

Motor vehicle control method of internal combustion engine

#81
20070246025
2007-10-25

Fuel property determining apparatus, leakage detecting apparatus, and injection control apparatus

#82
20070239330
2007-10-11

Procedure to diagnose a fuel tank ventilation system and device to implement the procedure

#83
20070204838
2007-09-06

System and method for controlling vehicle operation in response to fuel vapor purging

#84
20070079650
2007-04-12

Method and apparatus for checking the tightness of a tank system, in particular of a motor vehicle

#85
20060283427
2006-12-21

Fuel vapor treatment apparatus

#86
20060247835
2006-11-02

Electric control unit

#87
20060243258
2006-11-02

Engine and ventilation system

#88
20060236864
2006-10-26

Method and apparatus for inferring hydrocarbon level in a scrubber

#89
20060225714
2006-10-12

Leak detecting apparatus and fuel vapor treatment apparatus

#90
20060174698
2006-08-10

Fuel vapor detection system for vehicles

#91
20060162699
2006-07-27

Internal combustion engine for a motor vehicle

#92
20060130568
2006-06-22

Fuel vapor treatment system with leak diagnosing

#93
20060053868
2006-03-16

Fuel vapor detection system for vehicles

#94
20060052931
2006-03-09

Failure diagnosis apparatus for evaporative fuel processing system

#95
20060048752
2006-03-09

Low evaporative emission fuel system depressurization via solenoid valve

#96
20060042605
2006-03-02

Fuel vapor treatment system for internal combustion engine

#97
20050262932
2005-12-01

Leak detecting device for fuel vapor treatment unit

#98
20050257780
2005-11-24

Evaporative fuel control system for internal combustion engine

#99
20050257608
2005-11-24

Evaporative fuel control system for internal combustion engine

#100
20050217348
2005-10-06

Fuel vapor leakage inspection apparatus

#101
20050211228
2005-09-29

Fuel vapor treatment system for internal combustion engine

#102
20050125138
2005-06-09

Apparatus and method for controlling vehicle

#103
20050107964
2005-05-19

Electronic control apparatus for vehicle and control method for vehicle

#104
20050081612
2005-04-21

Diagnosis apparatus for fuel vapor purge system and method thereof

#105
20050022795
2005-02-03

Method and device for operating an internal combustion engine

#106
20050015194
2005-01-20

Method for diagnosing a tank venting valve

#107
20050011185
2005-01-20

Apparatus for reducing hydrocarbon emission of internal combustion engine

#108
17988433
2023-09-12

Method and device for increasing purge rate of fuel evaporation gas of vehicle

#109
17811653
2023-05-30

Systems and methods for evaporative emission purge control in hybrid vehicles