ClassID:

139937

F02D2250/41 - CPC Classification

Classification description:

Engine control related to specific problems or objectives Control to generate negative pressure in the intake manifold, e.g. for fuel vapor purging or brake booster

Recent Application in this class:
#1
20220268244
2022-08-25

Methods and systems to decrease charge air cooler condensate

#2
20200318563
2020-10-08

Method and system for diagnosing fault of dual purge system

#3
20200298811
2020-09-24

Motor-vehicle braking system having a vacuum-operated assistance device

#4
20200277908
2020-09-03

System and method for improving cylinder deactivation

#5
20200217260
2020-07-09

Systems and methods for controlling fuel vapor canister purging operations

#6
20200031202
2020-01-30

System and method for controlling compressor of cold-start vehicle

#7
20200010066
2020-01-09

Abnormality Diagnostic Device and Abnormality Diagnostic Method for Booster

#8
20190195152
2019-06-27

Control method and control device for internal combustion engine

#9
20190186446
2019-06-20

Methods and systems for vacuum generation using a throttle

#10
20190048805
2019-02-14

Methods and system for a common aspirator valve

#11
20190039594
2019-02-07

Method of controlling aspirator motive flow

#12
20180355826
2018-12-13

Throttled purge system

#13
20180274491
2018-09-27

Fuel evaporative gas emission suppressor

#14
20180187582
2018-07-05

Blow-by gas recirculation device for internal combustion engine

#15
20180171882
2018-06-21

Control method for engine variable valve timing of hybrid electric vehicle

#16
20180045128
2018-02-15

Method and system for fuel vapor management

#17
20180030908
2018-02-01

Methods and system for operating an engine

#18
20170356375
2017-12-14

System and method for improving cylinder deactivation

#19
20170356358
2017-12-14

System and method for adjusting intake manifold pressure

#20
20170234253
2017-08-17

Deceleration cylinder cut-off in a hybrid vehicle

#21
20170166179
2017-06-15

BRAKE NEGATIVE PRESSURE CONTROL DEVICE FOR VEHICLE

#22
20170138276
2017-05-18

Method and system for vacuum generation using a throttle body comprising a slidable throttle valve

#23
20170122164
2017-05-04

Method and system for catalyst temperature control

#24
20170120920
2017-05-04

Vacuum boost for vehicle braking

#25
20170051694
2017-02-23

Controller for internal combustion engine

#26
20170037793
2017-02-09

Apparatus and method for using negative pressure energy of engine

#27
20170009668
2017-01-12

Control apparatus for vehicle

#28
20160326990
2016-11-10

Increasing crankcase ventilation flow rate via active flow control

#29
20160272186
2016-09-22

Method of controlling aspirator motive flow

#30
20160245199
2016-08-25

Method for reducing air flow in an engine at idle

#31
20160222890
2016-08-04

Method of controlling aspirator motive flow

#32
20160214592
2016-07-28

Method for cleaning a valve

#33
20160201626
2016-07-14

Method and system for increasing vacuum generation by an engine

#34
20160201615
2016-07-14

System and method for improving canister purging

#35
20160201613
2016-07-14

System and method for improving canister purging

#36
20160201612
2016-07-14

Common shut-off valve for actuator vacuum at low engine power and fuel vapor purge vacuum at boost

#37
20160169139
2016-06-16

Negative pressure abnormality detection apparatus, and control apparatus for internal combustion engine

#38
20160160792
2016-06-09

System and method for improving vacuum generation

#39
20160153448
2016-06-02

Turbocharger generating vacuum negative pressure, vacuum negative pressure supply type brake system using the same, and control method thereof

#40
20160146121
2016-05-26

Deceleration cylinder cut-off

#41
20160076469
2016-03-17

Methods and systems for a throttle turbine generator

#42
20150360699
2015-12-17

Vehicle control apparatus

#43
20150323138
2015-11-12

System and method for generating vacuum for a vehicle

#44
20150316002
2015-11-05

Method for increasing vacuum production for a vehicle

#45
20150292421
2015-10-15

Method and system for fuel vapor management

#46
20150291171
2015-10-15

Vehicle travel controller

#47
20150285160
2015-10-08

Method and system for vacuum generation using a throttle

#48
20150167569
2015-06-18

Method and system for controlling engine vacuum production

#49
20150167540
2015-06-18

Charge air cooler condensate purging cycle

#50
20150166065
2015-06-18

Coasting control device and method for vehicle

#51
20150114321
2015-04-30

Proportional flow venturi vacuum system for an internal combustion engine

#52
20150047317
2015-02-19

Methods and systems for EGR control

#53
20150025777
2015-01-22

Method and system for increasing vacuum generation by an engine

#54
20150021141
2015-01-22

Method and system for reducing vacuum use in a vehicle

#55
20150000634
2015-01-01

Vacuum boost for vehicle braking

#56
20140318514
2014-10-30

System and method for gas purge control

#57
20140316682
2014-10-23

Airflow control systems and methods using model predictive control

#58
20140306513
2014-10-16

Vehicle braking system and method

#59
20140303872
2014-10-09

Method and system for providing vacuum for a vehicle

#60
20140261301
2014-09-18

Method and system for vacuum control

#61
20140238017
2014-08-28

Negative pressure forming device for brake of vehicle

#62
20140196454
2014-07-17

Method and system for catalyst temperature control

#63
20140165962
2014-06-19

Method and system for vacuum generation

#64
20140165931
2014-06-19

Method and system for vacuum generation

#65
20140136086
2014-05-15

Vehicle controller

#66
20140102383
2014-04-17

Internal combustion engine enhancement device and method

#67
20140100074
2014-04-10

Charge air cooler condensate purging cycle

#68
20140041641
2014-02-13

Control of manifold vacuum in skip fire operation

#69
20130333665
2013-12-19

Approach for supplying vacuum via a supercharger

#70
20130269660
2013-10-17

Method for purging fuel vapors to an engine

#71
20130151091
2013-06-13

Control device for vehicle

#72
20130131944
2013-05-23

Pumping brake detection and control device and method for internal combustion engine

#73
20130123067
2013-05-16

Method and system for controlling engine air

#74
20130123066
2013-05-16

Output control device for vehicle

#75
20130029806
2013-01-31

Method and system for controlling an engine

#76
20120318232
2012-12-20

Vehicle provided with valve-stop-mechanism-equipped internal combustion engine

#77
20120318047
2012-12-20

Method and system for determining vacuum leaks

#78
20120285421
2012-11-15

Method and system for controlling engine vacuum production

#79
20120237368
2012-09-20

Method and system for providing vacuum via excess boost

#80
20120138005
2012-06-07

Engine throttle control with brake booster

#81
20120116656
2012-05-10

Vacuum Boost For Vehicle Braking

#82
20120065864
2012-03-15

Method for controlling internal combustion engines in hybrid powertrains

#83
20120065860
2012-03-15

DEVICE AND METHOD FOR CONTROLLING VEHICLE

#84
20120035822
2012-02-09

Method and control device for operating a combustion engine of a motor vehicle and motor vehicle

#85
20120031352
2012-02-09

Internal combustion engine enhancement device and method

#86
20110197860
2011-08-18

Controlling cylinders based on intake vacuum during engine start

#87
20110197836
2011-08-18

Induction control unit for internal combustion engine including variable valve mechanism

#88
20110183812
2011-07-28

Method and system for controlling engine air

#89
20110174269
2011-07-21

Engine including intake vacuum management system

#90
20110132318
2011-06-09

HCCI mode switching control system and method

#91
20110094465
2011-04-28

Two-step valve lifter control systems and methods

#92
20110072803
2011-03-31

Method for adjusting boost pressure while regenerating a particulate filter for a direct injection engine

#93
20100298095
2010-11-25

Vehicle fuel control based on vacuum-assisted brake component actuation

#94
20100274466
2010-10-28

Intake control system and method for internal combustion engine

#95
20100222986
2010-09-02

Control device for internal combustion engine

#96
20100161202
2010-06-24

INTAKE AIR AMOUNT CONTROL SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE

#97
20100036566
2010-02-11

TORQUE CONTROLLER FOR ON-VEHICLE POWER GENERATOR

#98
20100004844
2010-01-07

Control system of internal combustion engine and control method of the control system

#99
20090230761
2009-09-17

Brake system for engine-operated vehicle and controlling method thereof

#100
20090199824
2009-08-13

Method for controlling an engine provided with an exhaust gas recycling loop

#101
20090187328
2009-07-23

Engine vacuum enhancement in an internal combustion engine

#102
20090151693
2009-06-18

Idle control system of direct-cylinder-fuel-injection spark-ignition engine

#103
20090125212
2009-05-14

Engine control apparatus

#104
20090070001
2009-03-12

CONTROLLER FOR HYBRID VEHICLE

#105
20090018754
2009-01-15

Intake air amount control apparatus for engine and control method thereof

#106
20080228377
2008-09-18

Control device and method of controlling an internal combustion engine

#107
20080189026
2008-08-07

Intake air control of an internal combustion engine

#108
20080189007
2008-08-07

Determination of abnormality of an intake air system of an internal-combustion engine

#109
20080184978
2008-08-07

DRIVING FORCE CONTROL APPARATUS FOR VEHICLE

#110
20080041336
2008-02-21

Vehicle braking control

#111
20080028746
2008-02-07

Exhaust gas control apparatus for internal combustion engine and method of controlling same

#112
20080015769
2008-01-17

Fault determination device and method of negative pressure generation device

#113
20070255485
2007-11-01

Motor vehicle control method of internal combustion engine

#114
20070251217
2007-11-01

Control apparatus of internal combustion engine

#115
20070235005
2007-10-11

Method for controlling valves during the stop of an engine having a variable event valvetrain

#116
20070084197
2007-04-19

Control device and control method for internal combustion engine

#117
20070062495
2007-03-22

Evaporative fuel treatment system

#118
20070029122
2007-02-08

Control device of internal combustion engine and control method of internal combustion engine

#119
20060270519
2006-11-30

Control apparatus and control method of vehicular driving apparatus

#120
20060158028
2006-07-20

Control system for brake vacuum pump

#121
20060154784
2006-07-13

Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics

#122
20060081216
2006-04-20

Control device of internal combustion engine

#123
20060065234
2006-03-30

Method for control of an HCCI internal combustion engine in exceptional situations

#124
20060049690
2006-03-09

Brake booster vacuum prediction algorithm and method of use therefor

#125
20060042591
2006-03-02

Method for regulating the filling of an internal combustion engine

#126
20050280263
2005-12-22

Alternator load control to extend displacement on demand range

#127
20050218716
2005-10-06

Brake booster vacuum prediction algorithm and method of use therefor

#128
20050161023
2005-07-28

Controlling engine charge dilution for fuel efficiency

#129
17162746
2022-01-18

Dual path purge system for a turbocharged engine

#130
17142523
2021-10-26

Vehicle with a dual path evaporative emissions system

#131
15004674
2017-06-06

Periodic engine lubrication for PHEVs