ClassID:

140833

F02M25/0818 - 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 having means for pressurising the evaporative emission space

Recent Application in this class:
#1
20250257704
2025-08-14

LEAK DETECTION MODULE ENTROPY METHOD WITH VARIABLE SPEED PUMP FOR EVAPORATIVE EMISSIONS SYSTEM

#2
20250059938
2025-02-20

MALFUNCTION DIAGNOSIS DEVICE FOR LEAKAGE DIAGNOSIS DEVICE

#3
20240301847
2024-09-12

EVAPORATIVE EMISSIONS SYSTEM VAPOR BLOCKING VALVE LEAK DIAGNOSTIC WITH SINGE PRESSURE SENSOR

#4
20240200680
2024-06-20

FLUID VALVE WITH HALL SENSOR FOR EVAPORATIVE EMISSIONS SYSTEM

#5
20240060461
2024-02-22

Method and device for operating a hybrid vehicle

#6
20230358192
2023-11-09

SYSTEM AND METHOD TO REDUCE DUST INGESTION INTO FUEL EVAPORATION SYSTEM

#7
20230332563
2023-10-19

Failure diagnosis apparatus and failure diagnosis method for fuel-evaporation-gas purging system

#8
20230313762
2023-10-05

Leak detection module entropy method for evaporative emissions system

#9
20230243320
2023-08-03

Malfunction diagnosis device for leakage diagnosis device

#10
20230228235
2023-07-20

Method and system for diagnosing an evaporative emissions system

#11
20230220819
2023-07-13

Systems and methods for a fuel vapor canister heating element

#12
20230184184
2023-06-15

Method and system for fuel system

#13
20230151780
2023-05-18

Method And Device For Diagnosing A Leak In An Evaporation System And In A Tank Ventilation Line Of An Internal Combustion Engine

#14
20230139015
2023-05-04

Module for detecting a leakage of an arrangement

#15
20230109482
2023-04-06

Method and system for diagnosing an evaporative emissions system

#16
20230095906
2023-03-30

Evaporative emissions leak check module with integrated control and communication system

#17
20230074111
2023-03-09

FAULT DIAGNOSIS METHOD AND FAULT DIAGNOSIS DEVICE FOR EVAPORATED FUEL PROCESSING DEVICE

#18
20230043915
2023-02-09

Leakage detector

#19
20230034896
2023-02-02

Methods and systems for diagnosing degradation or alteration in an evaporative emission control system

#20
20220403801
2022-12-22

Pump for evaporative emissions system

#21
20220389889
2022-12-08

Leakage detector for fuel vapor treatment system

#22
20220388594
2022-12-08

Straddled vehicle

#23
20220372934
2022-11-24

Vapor canister and evaporative emissions control system for a vehicle

#24
20220364531
2022-11-17

Failure diagnosis method and system of dual purge system

#25
20220341376
2022-10-27

Failure diagnostic device for fuel vapor processing apparatus

#26
20220333557
2022-10-20

Systems and methods for identifying degradation in evaporative emissions control systems

#27
20220316429
2022-10-06

Fuel tank system

#28
20220290638
2022-09-15

Method for testing the function of a fuel tank system of an internal combustion engine

#29
20220268243
2022-08-25

System and methods for a fuel tank pressure control pump

#30
20220268242
2022-08-25

Failure Diagnostic Apparatus for Fuel Vapor Treatment Device

#31
20220268241
2022-08-25

Fuel tank system

#32
20220205414
2022-06-30

Method and device for diagnosing a ventilation line of an internal combustion engine fuel tank

#33
20220099051
2022-03-31

Malfunction diagnostic device for leakage diagnostic device

#34
20220074364
2022-03-10

Evaporative fuel processing device

#35
20220065201
2022-03-03

LEAKAGE DIAGNOSTIC DEVICE FOR EVAPORATED FUEL TREATMENT APPARATUS

#36
20210363943
2021-11-25

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

#37
20210302266
2021-09-30

Pressure sensor for evaporated fuel leak detector

#38
20210302262
2021-09-30

Pressure sensor for evaporated fuel leak detector

#39
20210302261
2021-09-30

Pressure sensor for evaporated fuel leak detector

#40
20210270213
2021-09-02

Leakage Diagnosis Device for Fuel Vapor Processing Apparatus

#41
20210199070
2021-07-01

Method for diagnosing sealing in a fuel vapour recirculation system and related recirculation system

#42
20210095620
2021-04-01

Leakage detector for fuel vapor treatment device

#43
20210095610
2021-04-01

INTERNAL COMBUSTION ENGINE, STATE DETERMINATION SYSTEM FOR INTERNAL COMBUSTION ENGINE, DATA ANALYSIS DEVICE, AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

#44
20210040919
2021-02-11

Detection of leaks in a device for evaporating vapors of a fuel stored in a vehicle heat engine tank

#45
20210033047
2021-02-04

Evaporative emission control system for a vehicle

#46
20200386194
2020-12-10

LEAKAGE DIAGNOSIS DEVICE

#47
20200378345
2020-12-03

Systems and methods for vehicle fuel system and evaporative emissions system diagnostics

#48
20200291879
2020-09-17

Systems and methods for diagnosing ejector system degradation for dual-path purge engine systems

#49
20200232421
2020-07-23

Leak diagnosis system using active purge pump and leak diagnosis method using active purge pump

#50
20200224610
2020-07-16

Leakage diagnosis supplement method for failure of vacuum pump using active purge pump and leakage diagnosis supplement system for failure of vacuum pump using active purge pump

#51
20200217276
2020-07-09

Leakage detector for fuel vapor treatment device

#52
20200191098
2020-06-18

Evaporative fuel treatment device

#53
20200166009
2020-05-28

Canister

#54
20200158037
2020-05-21

Evaporated fuel processing apparatus

#55
20200141360
2020-05-07

Evaporated fuel processing device

#56
20200141359
2020-05-07

Evaporated fuel processing device

#57
20200132023
2020-04-30

Evaporative fuel processing system

#58
20200118363
2020-04-16

Fuel vapor treatment apparatus

#59
20200102203
2020-04-02

Systems and methods for fuel system pressure sensor rationalization

#60
20200056567
2020-02-20

Tank venting device for a fuel tank, and vehicle

#61
20200032725
2020-01-30

Purge pump system with emergency stop

#62
20190368447
2019-12-05

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

#63
20190368431
2019-12-05

Systems and methods for pressure-based diagnostics for two stage turbo engines

#64
20190345898
2019-11-14

Arrangement for regenerating an activated carbon filter

#65
20190293031
2019-09-26

Systems and methods for reducing vehicle emissions

#66
20190271284
2019-09-05

Evaporated fuel treatment device

#67
20190249623
2019-08-15

Purge system malfunction diagnosis device

#68
20190249622
2019-08-15

Systems and methods for conducting vehicle evaporative emissions test diagnostic procedures

#69
20190242324
2019-08-08

Systems and methods for EVAP leak testing

#70
20190186423
2019-06-20

Canister purge system and method for diagnosing purge valve thereof

#71
20190145857
2019-05-16

Blockage detection device and blockage detection method

#72
20190145354
2019-05-16

Evaporated fuel processing device

#73
20190120716
2019-04-25

Blockage diagnosis device

#74
20190107081
2019-04-11

Evaporative emissions system diagnostic for GTDI engines using an electronic booster

#75
20190101072
2019-04-04

Systems and methods for an evaporative emissions system and fuel system having a single delta pressure sensor

#76
20190055905
2019-02-21

Systems and methods for preheating a fuel vapor storage canister

#77
20190041292
2019-02-07

Fuel vapor processing device

#78
20190040822
2019-02-07

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

#79
20190040821
2019-02-07

Fuel vapor processing device

#80
20180335367
2018-11-22

Evaporative emissions control systems testing device

#81
20180313289
2018-11-01

Method for diagnosing PCSV

#82
20180274491
2018-09-27

Fuel evaporative gas emission suppressor

#83
20180266362
2018-09-20

Evaporative emissions testing using inductive heating

#84
20180245545
2018-08-30

FUEL VOLATILITY SENSOR SYSTEM

#85
20180245544
2018-08-30

Method for checking the tightness of a fuel supply system

#86
20180244148
2018-08-30

Method for testing the tightness of a fuel supply system

#87
20180195468
2018-07-12

Fuel vapor processing apparatus

#88
20180179993
2018-06-28

Systems and methods for intelligent vehicle evaporative emissions diagnostics

#89
20180171939
2018-06-21

Evaporated fuel processing device

#90
20180171938
2018-06-21

Diagnostic device for evaporated fuel processing device

#91
20180171902
2018-06-21

Systems and methods for inferring barometric pressure

#92
20180171901
2018-06-21

Evaporated fuel processing apparatus for internal combustion engine

#93
20180164178
2018-06-14

Tank venting system for a motor vehicle as well as motor vehicle and method for operating a tank venting system

#94
20180156163
2018-06-07

Pump device for building up pressure in a fuel tank

#95
20180156162
2018-06-07

Evaporative emissions diagnostics for a multi-path purge ejector system

#96
20180080415
2018-03-22

Vaporized fuel processing apparatus

#97
20180058386
2018-03-01

Systems and methods for on-board data processing

#98
20180038303
2018-02-08

METHOD OF SWITCHING FROM A PRESSURIZED TO NON-PRESSURIZED FUEL SYSTEM WHEN AN EVAPORATIVE EMISSIONS LEAK IS DETECTED

#99
20170350351
2017-12-07

Systems and methods for vehicle evaporative emissions system diagnostics

#100
20170342919
2017-11-30

Evaporative emissions control system including a purge pump and hydrocarbon sensor

#101
20170328806
2017-11-16

Evaporation leakage checking system and checking method of evaporation leakage using the same

#102
20170284321
2017-10-05

Evaporated fuel processing devices

#103
20170260930
2017-09-14

Leakage Diagnosis In A Fuel Tank System

#104
20170234270
2017-08-17

Vaporized fuel processing device

#105
20170227017
2017-08-10

Electrically driven pump

#106
20170226967
2017-08-10

Convection heating assisted engine-off natural vacuum test

#107
20170204796
2017-07-20

Method for mitigating wet-fouling of spark plugs

#108
20170198662
2017-07-13

System and methods for fuel system recirculation tube diagnostic

#109
20170184058
2017-06-29

Fuel evaporative emission control device

#110
20170167415
2017-06-15

Fuel vapor purge system

#111
20170114744
2017-04-27

Fuel vapor line diagnostics

#112
20170107951
2017-04-20

Air pump, module, and evaporated fuel processing system

#113
20170089304
2017-03-30

Evaporative emissions testing using inductive heating

#114
20170016795
2017-01-19

Systems and methods for engine-off natural vacuum leak testing with fuel enablement compensation

#115
20170008390
2017-01-12

Systems and methods for detection and mitigation of liquid fuel carryover in an evaporative emissions system

#116
20160369714
2016-12-22

Method for diagnosing leaks downstream of the purge flow control orifice

#117
20160319776
2016-11-03

Systems and methods for reducing bleed emissions

#118
20160273493
2016-09-22

Fuel vapor treatment apparatus

#119
20160266003
2016-09-15

Tank leakage diagnosis having a fuel tank as a pressure store

#120
20160265480
2016-09-15

Fuel vapor treatment system

#121
20160231195
2016-08-11

Device for inspecting canister for vehicle

#122
20160177883
2016-06-23

Fuel evaporative gas emission control apparatus

#123
20160167510
2016-06-16

Fuel tank system

#124
20160160809
2016-06-09

VANE PUMP AND LEAKAGE DETECTING DEVICE USING THE SAME

#125
20160146158
2016-05-26

Fuel tank system and method for sensing perforation

#126
20160084207
2016-03-24

Method for monitoring for a rupture in a fuel vapor container

#127
20160084175
2016-03-24

Systems and methods for reducing bleed emissions

#128
20160061155
2016-03-03

Fuel vapor leakage detection device and method for controlling the same

#129
20160061154
2016-03-03

Purge valve detachment diagnostic systems and methods

#130
20160017849
2016-01-21

Abnormality sensing device for evaporation fuel purge system

#131
20150369151
2015-12-24

System and methods for refueling a vehicle

#132
20150369148
2015-12-24

Control device and control method for internal combustion engine

#133
20150361929
2015-12-17

Abnormality diagnosis device for evaporated-gas purging system

#134
20150354510
2015-12-10

On-board method to smoke test a vehicle's evap system using exhaust gas

#135
20150275790
2015-10-01

Fuel evaporative emission control apparatus

#136
20150252756
2015-09-10

Fuel-vapor leakage detector

#137
20150211449
2015-07-30

Passive bypass valve for an active purge pump system module

#138
20150176540
2015-06-25

Fuel vapor storage and recovery apparatus

#139
20150167598
2015-06-18

Rotational pump and fuel vapor leakage detection device having the same

#140
20150159597
2015-06-11

Active purge pump system module for evaporative emission control system

#141
20150135805
2015-05-21

Fuel vapor leakage detection device

#142
20150122229
2015-05-07

Method and system for adjusting a fuel tank isolation valve

#143
20150122228
2015-05-07

Method and system for adjusting a fuel tank isolation valve

#144
20150114361
2015-04-30

Fuel evaporative gas emission suppression system

#145
20150101689
2015-04-16

On-board diagnostic check for evap latching valves

#146
20150096355
2015-04-09

FAILURE DETERMINATION DEVICES FOR FUEL VAPOR PROCESSING SYSTEMS

#147
20150090006
2015-04-02

Combination pressure- and vacuum-based EVAP leak detection method

#148
20150040645
2015-02-12

Device and method for diagnosing evaporated fuel processing device

#149
20150013437
2015-01-15

Device and method for diagnosing evaporated fuel processing device

#150
20150013312
2015-01-15

Method and system for regeneration in a vehicle in a consist

#151
20140345707
2014-11-27

Direct mount canister purge solenoid with additional vacuum ports

#152
20140345574
2014-11-27

Tank venting system and method for diagnosing same

#153
20140345573
2014-11-27

Turbo bypass switch valve mounting on air box

#154
20140336873
2014-11-13

Internal orifice characterization in leak check module

#155
20140318504
2014-10-30

Air intake system hydrocarbon trap purging

#156
20140311602
2014-10-23

Turbo purge valve-check valve OBD vacuum relief

#157
20140311461
2014-10-23

Canister purge valve self-cleaning cycle

#158
20140303830
2014-10-09

Evaporative emission control system

#159
20140277927
2014-09-18

FUEL CONSUMPTION COMPENSATION FOR EVAPORATIVE EMISSIONS SYSTEM LEAK DETECTION METHODS

#160
20140257668
2014-09-11

Engine-off refueling detection method

#161
20140216421
2014-08-07

Partially sealed fuel vapor purge system

#162
20140174411
2014-06-26

Apparatus for suppressing fuel evaporative gas emission

#163
20140130781
2014-05-15

Fuel system diagnostics

#164
20140107906
2014-04-17

Fuel system degradation test using two fuel tanks

#165
20140102421
2014-04-17

Fuel vapor leakage detection method

#166
20140096750
2014-04-10

Variable restriction fuel vapor canister

#167
20140095049
2014-04-03

Engine cooling system motor driven vacuum pump

#168
20140074385
2014-03-13

Method and system for fuel vapor control

#169
20140060498
2014-03-06

Fuel vapor treatment system

#170
20140026865
2014-01-30

Passive venturi pump for leak diagnostics and refueling

#171
20140013944
2014-01-16

Device for selectively regenerating or performing tank leakage diagnosis of a tank ventilation system

#172
20130319378
2013-12-05

Venting system, in particular for a fuel tank

#173
20130312838
2013-11-28

Component of a fuel system, fuel system and method for operating the same

#174
20130312834
2013-11-28

Apparatus and method of determining a leak condition of a fuel system

#175
20130312713
2013-11-28

Apparatus and method of determining a leak condition of a fuel system

#176
20130297234
2013-11-07

Method and system for detecting a leak in a fuel system

#177
20130253799
2013-09-26

Fuel system diagnostics

#178
20130213365
2013-08-22

Fuel vapor leakage sensing apparatus and fuel vapor leakage sensing method using the same

#179
20130175268
2013-07-11

Insert for a capless fuel tank filler neck to test a fuel tank for leaks

#180
20130145825
2013-06-13

Method for leak-testing and device for carrying out the method

#181
20130139792
2013-06-06

Sample tube structure for automotive fuel tank leak detection

#182
20130104857
2013-05-02

Tank ventilation with a venturi nozzle

#183
20130098143
2013-04-25

Fuel vapor leak detecting device and fuel vapor leak detecting method using the same

#184
20130014563
2013-01-17

Evaporated fuel leak detecting apparatus

#185
20120279480
2012-11-08

METHOD FOR FLUSHING AN ACTIVATED CARBON FILTER

#186
20120227580
2012-09-13

Fuel system diagnostics

#187
20120204842
2012-08-16

EVAPORATIVE FUEL TREATMENT DEVICE

#188
20120186333
2012-07-26

Evaporation system leak diagnostic apparatus

#189
20120152370
2012-06-21

Pressure tank system for a motor vehicle

#190
20120152209
2012-06-21

Motor vehicle

#191
20120132179
2012-05-31

FUEL VAPOR LEAKAGE INSPECTION APPARATUS

#192
20120125200
2012-05-24

Apparatus having a canister and a component associated with the canister

#193
20120055452
2012-03-08

Method and system for fuel vapor control

#194
20120047999
2012-03-01

Vane pump apparatus and leak check system having the same

#195
20110307195
2011-12-15

Method for determining the size of a leak

#196
20110295482
2011-12-01

Method and system for fuel vapor control

#197
20110290000
2011-12-01

Method and system for fuel vapor control

#198
20110168140
2011-07-14

Method and system for fuel vapor control

#199
20110166765
2011-07-07

Method and system for fuel vapor control

#200
20110139261
2011-06-16

Method and device for controlling a tank ventilation device for a motor vehicle

#201
20110139130
2011-06-16

Automotive fuel system leak testing

#202
20110127284
2011-06-02

Fuel tank

#203
20110123372
2011-05-26

VANE PUMP AND EVAPORATIVE LEAK CHECK SYSTEM HAVING THE SAME

#204
20110123371
2011-05-26

Vane pump and evaporative leak check system having the same

#205
20110079201
2011-04-07

Diagnostic strategy for a fuel vapor control system

#206
20110067487
2011-03-24

Method for testing the operability of a tank shutoff valve of a fuel tank system

#207
20100288021
2010-11-18

Apparatus and method for checking leakage from fuel vapor processing apparatus

#208
20100163115
2010-07-01

Devices for mounting accessory components to canisters

#209
20100095747
2010-04-22

Method and device for testing the tightness of a fuel tank of an internal combustion engine

#210
20100071672
2010-03-25

Method for testing the function of a pressure switch of a tank ventilation system, control device, and internal combustion engine

#211
20100064774
2010-03-18

Vacuum decay testing method

#212
20090276141
2009-11-05

Feed-forward control in a fuel delivery system and leak detection diagnostics

#213
20090266147
2009-10-29

Flow diagnosis apparatus for fuel vapor purge system

#214
20090133673
2009-05-28

Fuel vapor treatment system

#215
20090133672
2009-05-28

Natural vacuum leak detection device using diaphragm-seal mechanism

#216
20090099795
2009-04-16

Leak detection method and associated valve and fuel system

#217
20090044785
2009-02-19

Vehicle, in particular a motor vehicle with a tank ventilation system

#218
20090007638
2009-01-08

Pump assembly and method for leak detection of fluid system

#219
20070289366
2007-12-20

Fuel nature measuring device of internal combustion engine and internal combustion engine having the same

#220
20070289365
2007-12-20

Fuel nature measuring device of internal combustion engine and internal combustion engine having the same

#221
20070255485
2007-11-01

Motor vehicle control method of internal combustion engine

#222
20070246025
2007-10-25

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

#223
20070239330
2007-10-11

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

#224
20070189907
2007-08-16

Pump apparatus, system having the same, and method for operating the same

#225
20070119427
2007-05-31

Fuel vapor treatment apparatus

#226
20070113634
2007-05-24

Leak diagnostic device for fuel vapor treatment device

#227
20070113633
2007-05-24

Leak check apparatus for fuel vapor processing apparatus

#228
20070084274
2007-04-19

Fuel supply apparatus for and pressure control method of internal combustion engine

#229
20070051168
2007-03-08

Evaporated fuel leakage detector for use in automotive vehicle

#230
20070023015
2007-02-01

Evaporative fuel handling apparatus

#231
20060278201
2006-12-14

Fuel vapor treatment apparatus having absorbent and motor

#232
20060243258
2006-11-02

Engine and ventilation system

#233
20060225491
2006-10-12

Vehicle evaporative system diagnostic

#234
20060162699
2006-07-27

Internal combustion engine for a motor vehicle

#235
20060162433
2006-07-27

Evaporated fuel treatment device of internal combustion engine

#236
20060144370
2006-07-06

Device and method for diagnosing evaporation leak, and control device of internal combustion engine

#237
20060137437
2006-06-29

Fuel vapor treatment system with leak diagnosing

#238
20060090553
2006-05-04

Leak detector for fuel vapor purge system

#239
20060059980
2006-03-23

Evaporated fuel treatment device for internal combustion engine

#240
20060059979
2006-03-23

Evaporated fuel treatment device for internal combustion engine

#241
20060031000
2006-02-09

Fuel nature measuring device of internal combustion engine and internal combustion engine having the same

#242
20060016253
2006-01-26

Leakage detecting device for evaporating fuel processing apparatus

#243
20050257607
2005-11-24

Evaporative fuel control system for internal combustion engine

#244
20050229689
2005-10-20

Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus

#245
20050229688
2005-10-20

Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus

#246
20050217348
2005-10-06

Fuel vapor leakage inspection apparatus

#247
20050139197
2005-06-30

Fuel supply apparatus and control method for internal combustion engine

#248
20050133097
2005-06-23

Fuel evaporation gas leakage detecting system and method of detecting fuel evaporation gas leakage

#249
20050126549
2005-06-16

Ventilation system for a fuel tank of an internal combustion engine

#250
20050121977
2005-06-09

Control apparatus and control method for vehicle engine system

#251
20050089407
2005-04-28

Diagnosis apparatus for air transfer apparatus and method thereof

#252
20050081612
2005-04-21

Diagnosis apparatus for fuel vapor purge system and method thereof

#253
20050072221
2005-04-07

Trouble diagnostics apparatus for fuel treatment system

#254
20050056089
2005-03-17

Air transfer apparatus and control method of air transfer apparatus

#255
20050045161
2005-03-03

Air pump for internal combustion engine

#256
20050044941
2005-03-03

Diagnostic device of evaporated fuel processing system and the method thereof

#257
20050044940
2005-03-03

Diagnostic device of evaporated fuel processing system and the method thereof

#258
20050044939
2005-03-03

Fuel vapor leak check module

#259
20050044938
2005-03-03

Fuel vapor leak check module

#260
20050044937
2005-03-03

Fuel vapor leak check module

#261
20050044936
2005-03-03

Fuel vapor leak check module

#262
20050034513
2005-02-17

Method and control unit for function diagnosis of a fuel-tank venting valve of a fuel tank system in a motor vehicle in particular

#263
20050028792
2005-02-10

Control apparatus for vehicle and method thereof

#264
20050027411
2005-02-03

Locomotive engine restart shutdown override system and method

#265
20050005682
2005-01-13

Method and device for tank leakage diagnosis at elevated fuel degassing

#266
20050000273
2005-01-06

Leakage diagnosis apparatus for fuel vapor purge system and method thereof

#267
17821744
2023-09-19

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