ClassID:

139585

F02D41/0037 - CPC Classification

Classification description:

Electrical control of supply of combustible mixture or its constituents; Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures; Adding fuel vapours, e.g. drawn from engine fuel reservoir; Controlling the purging of the canister as a function of the engine operating conditions to achieve a special effect, e.g. to warm up the catalyst for diagnosing the engine

Recent Application in this class:
#1
20260063085
2026-03-05

DIAGNOSTIC APPARATUS FOR ENGINE SYSTEM

#2
20230249672
2023-08-10

Fuel reactant leak detection system and method of detecting fuel reactant leaks

#3
20210071599
2021-03-11

Systems and methods for controlling purge flow from a vehicle fuel vapor storage canister

#4
20200318563
2020-10-08

Method and system for diagnosing fault of dual purge system

#5
20200240303
2020-07-30

Method for diagnosing a particle filter of a motor vehicle using a particle sensor connected downstream

#6
20200191099
2020-06-18

Evaporation gas control system and fault diagnosis method thereof

#7
20200095958
2020-03-26

Valve device and fuel evaporation gas purge system

#8
20200025156
2020-01-23

Evaporated fuel processing device for forced induction internal combustion engine and control method for the same

#9
20190390638
2019-12-26

Evaporated fuel processing apparatus

#10
20190383239
2019-12-19

Methods and system for conducting an engine system diagnostic based on ambient noise

#11
20190285018
2019-09-19

System and method for intake air filter diagnostic

#12
20190234326
2019-08-01

Systems and methods for intake system hydrocarbon trap diagnostics

#13
20190186392
2019-06-20

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

#14
20190178190
2019-06-13

Methods and systems for intake air filter diagnostics

#15
20190107081
2019-04-11

Evaporative emissions system diagnostic for GTDI engines using an electronic booster

#16
20190063345
2019-02-28

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

#17
20190040811
2019-02-07

Failure detection apparatus for fuel systems of engine

#18
20190017453
2019-01-17

Systems and methods for intelligent vehicle evaporative emissions diagnostics

#19
20180223762
2018-08-09

Abnormality diagnosis apparatus and abnormality diagnosis method for pressure sensor of internal combustion engine

#20
20180202376
2018-07-19

Vehicle method for barometric pressure identification

#21
20180171938
2018-06-21

Diagnostic device for evaporated fuel processing device

#22
20180101997
2018-04-12

Hydrocarbon-emissions monitoring

#23
20180066595
2018-03-08

Methods and system for diagnosing sensors by utilizing an evaporative emissions system

#24
20180058384
2018-03-01

Systems and methods for diagnosing components in a vehicle evaporative emissions system

#25
20170305415
2017-10-26

Method for detecting leaks in an intake manifold

#26
20170226939
2017-08-10

Purge device, and internal combustion engine provided with the same

#27
20170184058
2017-06-29

Fuel evaporative emission control device

#28
20170129329
2017-05-11

Fuel vapor gas purge system

#29
20170003259
2017-01-05

Method, apparatus, and system for diagnosing at least one NOx-sensor of a diesel engine system

#30
20170002761
2017-01-05

Systems and methods for on-board cylinder leakdown testing

#31
20160332620
2016-11-17

Method for detecting leaks in an intake manifold

#32
20160245200
2016-08-25

Vehicle method for barometric pressure identification

#33
20160237926
2016-08-18

Control system of engine

#34
20150322902
2015-11-12

Vaporized fuel treating device

#35
20150285171
2015-10-08

System and methods for a leak check module comprising a reversible vacuum pump

#36
20150275804
2015-10-01

Diagnosis device for fuel supply system

#37
20150090232
2015-04-02

Hybrid vehicle fuel vapor canister

#38
20150052986
2015-02-26

Method for diagnosing a tank venting valve

#39
20140352658
2014-12-04

System and method to diagnose fuel system pressure sensor

#40
20140224225
2014-08-14

Purge valve and fuel vapor management system

#41
20140114550
2014-04-24

Vehicle method for barometric pressure identification

#42
20120022772
2012-01-26

Abnormality determination system for multi-cylinder internal combustion engine

#43
20110315127
2011-12-29

Low purge flow vehicle diagnostic tool

#44
20110174276
2011-07-21

Hydrocarbon sensor to regulate flow rate in a fuel line

#45
20090025458
2009-01-29

Rate-based monitoring for an engine system

#46
17809401
2023-06-13

Systems and methods for evaporative emissions systems