ClassID:

167151

G01M15/042 - CPC Classification

Classification description:

Testing of engines; Testing internal-combustion engines by monitoring a single specific parameter not covered by groups  - 

Sub-classes:
Recent Application in this class:
#1
20260140017
2026-05-21

POWER SYSTEM COMPONENT ASSESSMENT

#2
20250137883
2025-05-01

ENGINE OIL SYSTEM HEALTH MONITORING USING OIL LEVEL SENSOR

#3
20250137416
2025-05-01

IMPROVED PRESSURE DROP ANALYSIS STRATEGY

#4
20250012667
2025-01-09

DETECTION APPARATUS AND COMBUSTION SYSTEM

#5
20240397884
2024-12-05

MONITORING AN IC ENGINE OF A FOREST HARVESTER

#6
20240255381
2024-08-01

Internal Combustion Engine Control Device

#7
20240241016
2024-07-18

METHOD FOR REGULATING A TEST BENCH ARRANGEMENT

#8
20230250775
2023-08-10

Estimating a level of corrosion of an injector

#9
20230211795
2023-07-06

TEST MANAGEMENT SYSTEM USING DATA SET AND METHOD THEREFOR

#10
20230109701
2023-04-13

Deterioration estimator for electronic throttle device

#11
20230107124
2023-04-06

Method for recognizing an error in a sensor signal during operation of a fuel injector

#12
20230095324
2023-03-30

METHOD FOR ASCERTAINING A TORQUE CURVE OF AN INTERNAL COMBUSTION ENGINE OF A HYBRID POWERTRAIN, AND HYBRID POWERTRAIN

#13
20220398875
2022-12-15

Valve testing for engines

#14
20220397485
2022-12-15

Valve testing apparatus

#15
20220390326
2022-12-08

Neutronic engine

#16
20220333546
2022-10-20

Method of determining fuel evaporation from an engine oil sump

#17
20220326118
2022-10-13

System and a method to monitor moving parts in machines

#18
20220322609
2022-10-13

System and a method for interacting with floral objects

#19
20220309129
2022-09-29

Data processing method

#20
20220291292
2022-09-15

Method for estimating the ageing of a vehicle battery

#21
20220291085
2022-09-15

Test bench and method for carrying out a test run on a test bench

#22
20220056860
2022-02-24

Detecting a state of an air diverter valve of an air induction system for a vehicle

#23
20220010743
2022-01-13

Fuel control system

#24
20210199537
2021-07-01

Engine testing device

#25
20210181061
2021-06-17

System and method for estimating ring-related parameters

#26
20210181055
2021-06-17

Combustion chamber leak detection kit in vehicle engines

#27
20210131913
2021-05-06

Grading a piston with deposits using measurement data and thermal scan data

#28
20210063277
2021-03-04

Test bench and method for performing a dynamic test run for a test setup

#29
20200378863
2020-12-03

Coolant leak diagnosis

#30
20200363293
2020-11-19

System and method for on-engine component defect detection

#31
20200300730
2020-09-24

Diagnosis apparatus for internal combustion engine

#32
20200284691
2020-09-10

Method for the detection of a glow plug replacement

#33
20200141835
2020-05-07

Systems for diagnostics of a variable displacement engine

#34
20190353135
2019-11-21

Device and method for detecting a cylinder deactivation mode using inferred compression

#35
20190311551
2019-10-10

Positive crankcase ventilation valve performance evaluation

#36
20190257256
2019-08-22

SYSTEM AND METHOD FOR IMPROVING HEAT RELEASE EVALUATION AT A RECIPROCATING INTERNAL COMBUSTION ENGINE

#37
20190249585
2019-08-15

Method of detecting an emulator for an SCR catalytic converter system

#38
20190242321
2019-08-08

Air flow rate measuring device

#39
20190162629
2019-05-30

HUMIDITY MEASURING DEVICE

#40
20190162150
2019-05-30

Air-assisted fuel injection system for ignition quality determination

#41
20190145313
2019-05-16

Method for diagnosing errors in an internal combustion engine

#42
20190137361
2019-05-09

Test system

#43
20190128716
2019-05-02

Thermal flowmeter

#44
20190120675
2019-04-25

Physical quantity detection device

#45
20190120182
2019-04-25

ABNORMALITY DETECTION DEVICE, ABNORMALITY DETECTION METHOD, AND ABNORMALITY DETECTION SYSTEM

#46
20190078976
2019-03-14

Method for small leak testing of an evaporative emissions system

#47
20190078521
2019-03-14

Method and system for controlling an internal combustion engine

#48
20190056291
2019-02-21

SYSTEM AND METHOD FOR PISTON RING PROGNOSTIC

#49
20190048819
2019-02-14

Mass-airflow measurement conversion apparatus for internal combustion engine carburetors

#50
20190025225
2019-01-24

Indicator system for vehicle wear components

#51
20180363102
2018-12-20

Electrode material and electrode for ignition plug, and ignition plug

#52
20180335370
2018-11-22

Method for performing a test with a test specimen on a test bench

#53
20180335368
2018-11-22

Filtration monitoring system that monitors dual filtration systems

#54
20180335367
2018-11-22

Evaporative emissions control systems testing device

#55
20180283976
2018-10-04

Leakage detection device

#56
20180275016
2018-09-27

Sensor failure diagnostic apparatus

#57
20180274471
2018-09-27

Systems and methods for a variable displacement engine

#58
20180259375
2018-09-13

Diagnostic Apparatus and Diagnostic Method for Rotational Angle Sensor, and Control Apparatus for Actuator

#59
20180231392
2018-08-16

Diagnostic apparatus and diagnostic method for rotational angle sensor, and control apparatus for actuator

#60
20180171918
2018-06-21

Method and system for detection of torque deviations of an engine in a vehicle

#61
20180163674
2018-06-14

Method and system for predictive emission maintenance of an engine

#62
20180156086
2018-06-07

Systems for in situ monitoring of working fluids and working fluid systems

#63
20180136018
2018-05-17

Air flow rate measurement device

#64
20180128780
2018-05-10

Method and Apparatus for Inspecting Cracks in Threaded Holes

#65
20180119538
2018-05-03

System and method for downhole ignition detection

#66
20180038750
2018-02-08

Residual stress estimation method and residual stress estimation device

#67
20180031448
2018-02-01

Engine test apparatus

#68
20180031447
2018-02-01

Engine test apparatus

#69
20180030914
2018-02-01

SYSTEM FOR DETERMINING PISTON RING WEAR

#70
20170335819
2017-11-23

Method and processing system of sensed ionization current data for real time estimate of combustion chamber pressure in a spark ignition engine

#71
20170328753
2017-11-16

Sensor for determining at least one parameter of a fluid medium flowing through a measurement channel

#72
20170299465
2017-10-19

Electrical testing system and method

#73
20170268916
2017-09-21

Physical quantity detection device

#74
20170268439
2017-09-21

Method and systems for a radiator fan

#75
20170248419
2017-08-31

Information processing apparatus, information processing method, and non-transitory computer readable recording medium

#76
20170248399
2017-08-31

Inner-wall measuring instrument and offset-amount calculation method

#77
20170218872
2017-08-03

Mass-airflow measurement conversion apparatus for internal combustion engine carburetors

#78
20170211535
2017-07-27

Crank only exercise mode

#79
20170173505
2017-06-22

Filtration monitoring systems

#80
20170160251
2017-06-08

Aircraft Fuel Tank Inerting System Adapted To Compute The Quantity Of Oxygen Present In An Inerting Gas Injected Into Said Tank

#81
20170138290
2017-05-18

Method for operating a piezo injector

#82
20170101956
2017-04-13

Valve fault detection

#83
20170030307
2017-02-02

Method and system for predictive emission maintenance of an engine

#84
20170016415
2017-01-19

Intake air humidity measurement device for an internal combustion engine

#85
20170009698
2017-01-12

Control device of an engine

#86
20170002787
2017-01-05

DETECTION DEVICE FOR VEHICLE IGNITION SYSTEM

#87
20170002758
2017-01-05

ENGINE CONTROL DEVICE AND ENGINE CONTROL METHOD

#88
20160363032
2016-12-15

Catalytic device detection system

#89
20160363026
2016-12-15

Method for determining the quantity of reducing agent in a tank

#90
20160326969
2016-11-10

Averaging filter for skip fire engine operation

#91
20160319817
2016-11-03

METHOD OF OPTIMIZING SUPERCHARGER PERFORMANCE

#92
20160304192
2016-10-20

Torsional anomalies detection system

#93
20160290893
2016-10-06

Measurement device

#94
20160258798
2016-09-08

Ultrasound fuel flow sensing and control

#95
20160252020
2016-09-01

Control apparatus and control method for internal combustion engine

#96
20160248355
2016-08-25

MOTOR DRIVING DEVICE, METHOD FOR CONTROLING MOTOR, AND CALCULATION DEVICE FOR CALCULATING ANGLE INFORMATION OF MOTOR

#97
20160245190
2016-08-25

Ambient humidity detection transmission shifts

#98
20160238515
2016-08-18

Device for measuring friction on a cylinder/piston arrangement

#99
20160195037
2016-07-07

Sensor support structure for camshaft rotation sensor

#100
20160195029
2016-07-07

System and method for detecting reciprocating device abnormalities utilizing standard quality control techniques

#101
20160169723
2016-06-16

MASS AIRFLOW METER

#102
20160161322
2016-06-09

Method and apparatus for furnishing a filtered air system state variable in a control unit of an internal combustion engine

#103
20160138553
2016-05-19

Spark plug fouling detection

#104
20160103050
2016-04-14

System and method for determining wear of a worn surface

#105
20160102601
2016-04-14

Cooling water control apparatus

#106
20160091293
2016-03-31

Modular system for checking a valve seat and a valve guide in cylinder heads of internal combustion engines

#107
20160084755
2016-03-24

EVAPORATIVE VEHICLE EMISSION LOSS DETECTION FROM A NON-OPERATING VEHICLE

#108
20160061683
2016-03-03

Pressure sensor including variable member having rear end connected to housing at a predetermined axial position

#109
20160025593
2016-01-28

Detection of Stuck Plate Valve of Gaseous Engine

#110
20160018287
2016-01-21

Torque error detection and torque estimation system

#111
20150361941
2015-12-17

Method for evaluating an engine starting system

#112
20150345324
2015-12-03

Method and apparatus for measuring operational gas turbine engine housing displacement and temperature by a distributed fiber optic sensing system utilizing optical frequency domain reflectometry

#113
20150316445
2015-11-05

Standard engine cold test system and method

#114
20150316444
2015-11-05

SENSOR CONTROL DEVICE, SENSOR CONTROL SYSTEM, AND SENSOR CONTROL METHOD

#115
20150300916
2015-10-22

Estimation apparatus and method for cylinder intake air amount of internal combustion engine

#116
20150300855
2015-10-22

Air mass flow sensor pipe

#117
20150276550
2015-10-01

Mass-airflow measurement conversion apparatus for internal combustion engine carburetors

#118
20150275718
2015-10-01

Crankcase ventilation device

#119
20150268073
2015-09-24

Method and system for determining the flow rate of air collected from an aircraft engine

#120
20150267633
2015-09-24

Closed breather disconnection detection method

#121
20150253220
2015-09-10

Engine control apparatus and control method for the same

#122
20150233735
2015-08-20

SENSOR DEVICE FOR ACQUIRING AT LEAST ONE ROTATIONAL PROPERTY OF A ROTATING ELEMENT

#123
20150233289
2015-08-20

Valve fault detection

#124
20150226640
2015-08-13

Measurement apparatus and measurement method for determining a composition of a fluid for a reciprocating piston internal combustion engine

#125
20150198135
2015-07-16

Laser ignition system based diagnostics

#126
20150198134
2015-07-16

Laser ignition system based diagnostics

#127
20150176508
2015-06-25

Spark plug fouling detection for ignition system

#128
20150160095
2015-06-11

Method for operating an ignition device

#129
20150153291
2015-06-04

Method for determining the retention capacity of fuel vapor filters

#130
20150152776
2015-06-04

Diagnostic method for multiple speed relay-controlled electric fan

#131
20150142260
2015-05-21

APPARATUS THAT SUPPORTS STARTING-FAILURE-HANDLING AND METHOD OF HANDLING STARTING FAILURE

#132
20150136079
2015-05-21

Detection of coking in the intake tract of an internal combustion engine

#133
20150105969
2015-04-16

System and methods for evaporative emissions leak detection based on a vehicle location

#134
20150101402
2015-04-16

Flow rate measuring apparatus

#135
20150085283
2015-03-26

Optical measurement probe, and optical measurement device provided with the same

#136
20150082876
2015-03-26

EXCAVATOR SELF-DETECTION SYSTEM AND METHOD

#137
20150075268
2015-03-19

Fluid quality sensing means with reference sensor

#138
20150057879
2015-02-26

Method and apparatus for monitoring an electromagnetic hydraulic valve for a variable valve timing system

#139
20150042344
2015-02-12

Method for detecting a glow plug replacement

#140
20150040653
2015-02-12

Sensor device for determining at least one parameter of a fluid medium flowing through a duct

#141
20150040651
2015-02-12

Pressure-measuring glow plug

#142
20150027213
2015-01-29

Pressure-measuring device with additional diaphragm

#143
20150017729
2015-01-15

METHOD FOR EVALUATION TESTING OF MATERIAL FOR INTERNAL COMBUSTION ENGINE

#144
20150000388
2015-01-01

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

#145
20140373612
2014-12-25

Method for operating an air mass sensor

#146
20140366615
2014-12-18

Method for diagnosing the malfunctioning of a device for adding an additive into a fuel for a vehicle, and system for implementing said method

#147
20140366614
2014-12-18

Sensor for detecting the mass flow rate and the temperature of a fluid flow

#148
20140360255
2014-12-11

Monitoring the fuel supply cutoff valve for an engine

#149
20140343871
2014-11-20

Combustion ratio calculating method for exhaust gas heating apparatus

#150
20140338433
2014-11-20

Method for detecting detonation phenomena in an internal combustion engine

#151
20140336956
2014-11-13

Method and processing system of sensed ionization current data for real time estimation of combustion chamber pressure in a spark ignition engine

#152
20140336903
2014-11-13

Mass airflow sensor calibration evaluation

#153
20140326059
2014-11-06

Hydrodynamic torque generator for test benches and control method therefor

#154
20140318227
2014-10-30

Method for assessing an injection behaviour of at least one injection valve in an internal combustion engine and operating method for an internal combustion engine

#155
20140316621
2014-10-23

Laser ignition system based diagnostics

#156
20140283588
2014-09-25

DIAGNOSING A COOLING SUBSYSTEM OF AN ENGINE SYSTEM IN RESPONSE TO DYNAMIC PRESSURE SENSED IN THE SUBSYSTEM

#157
20140230780
2014-08-21

Real-time residual mass estimation with adaptive scaling

#158
20140224212
2014-08-14

Leakage diagnosis apparatus for evaporated-gas purge system

#159
20140188420
2014-07-03

Method for generating a pulse signal sequence

#160
20140148993
2014-05-29

Torque calibration method

#161
20140144819
2014-05-29

Apparatus, system and method for detecting the presence of genuine serviceable product components

#162
20140130587
2014-05-15

Multi-modal fluid condition sensor platform and system thereof

#163
20140129157
2014-05-08

Analysis system, information processing device and program

#164
20140123743
2014-05-08

Fuel Usage Meter

#165
20140109657
2014-04-24

Method for determining the quantity of reducing agent in a tank

#166
20140081548
2014-03-20

Crankcase integrity breach detection

#167
20140076028
2014-03-20

KNOCKING SENSOR

#168
20140074349
2014-03-13

Method and diagnostic tester for detecting a fault in a cooling circuit of a motor vehicle

#169
20130228007
2013-09-05

Method and device for detecting a replacement of pencil glow plugs in an internal combustion engine

#170
20130204488
2013-08-08

Multi-modal fluid condition sensor platform and system therefor

#171
20130191074
2013-07-25

Method for detecting a misfire condition in an internal combustion engine

#172
20130144473
2013-06-06

System and method for determining when engine has abnormally stopped in a hybrid electric vehicle

#173
20130133401
2013-05-30

Apparatus and method for detecting abnormality of imbalance of air-fuel ratios among cylinders

#174
20130131997
2013-05-23

Sensor control device and sensor control system

#175
20130118242
2013-05-16

Air flow measuring device and method of making housing for the device

#176
20130110373
2013-05-02

Methods and systems for monitoring engine coolant temperature sensor

#177
20130080085
2013-03-28

Multi-modal fluid condition sensor platform and system therefor

#178
20130080020
2013-03-28

Error cause detection or narrowing down of errors with the aid of error patterns in the air system

#179
20130075640
2013-03-28

LEARNING MECHANICAL STOPS IN A NON-RIGID INTERMEDIATE GEAR

#180
20120266667
2012-10-25

THERMOCOUPLE DATA ACQUISITION SYSTEM

#181
20120173119
2012-07-05

Systems and methods for determining blow-by gas species concentrations

#182
20120085157
2012-04-12

Apparatus, vehicle, and method for determining a thermostat malfunction in an engine cooling system

#183
20120067113
2012-03-22

Sensing ignition by voltage monitoring

#184
20120062894
2012-03-15

Monitoring apparatus, as well as monitoring method for monitoring a state of wear of a component for a reciprocating piston internal combustion engine

#185
20120046886
2012-02-23

Mass-airflow measurement conversion apparatus for internal combustion engine carburetors

#186
20110259126
2011-10-27

Arrangement and method for determining the oil consumption of an oil-lubricated machine

#187
20110221613
2011-09-15

Abnormality detection apparatus

#188
20110220560
2011-09-15

Apparatus, system and method for detecting the presence of genuine serviceable product components

#189
20110203358
2011-08-25

Internal combustion engine combustion state detection apparatus

#190
20110174065
2011-07-21

Method for determining the power of an internal combustion engine

#191
20110125361
2011-05-26

Diagnosing a cooling subsystem of an engine system in response to dynamic pressure sensed in the subsystem

#192
20110120216
2011-05-26

Malfunction determination apparatus for cooling apparatus and malfunction determination method for cooling apparatus

#193
20110118960
2011-05-19

Knocking detecting apparatus for internal combustion engine

#194
20110107826
2011-05-12

APPARATUS AND METHOD FOR MASS AIR MEASURING

#195
20110100105
2011-05-05

Throttle body sweep diagnostic system and method

#196
20100288037
2010-11-18

Method for determining valve degradation

#197
20100277199
2010-11-04

System For Diagnosing Defects in Electric Motors

#198
20100257921
2010-10-14

Internal-combustion-engine ignition diagnosis apparatus

#199
20100191478
2010-07-29

METHOD FOR ESTIMATING THE LEVEL OF ETHANOL IN A FUEL

#200
20100162806
2010-07-01

Detection of cylinder-to-cylinder air/fuel imbalance

#201
20100154738
2010-06-24

Apparatus to determine cylinder deactivation state

#202
20100147059
2010-06-17

Method and apparatus for measuring reduction of greenhouse gas by idling stop

#203
20100101310
2010-04-29

Method and apparatus for troubleshooting noise/vibration issues of rotating components

#204
20100095909
2010-04-22

Engine cooling system onboard diagnostic strategy

#205
20100031738
2010-02-11

Methods for variable displacement engine diagnostics

#206
20100024571
2010-02-04

Rotational testing system

#207
20090314074
2009-12-24

Preventive maintenance diagnostics for valve systems

#208
20090314069
2009-12-24

Method and apparatus for estimating engine power

#209
20090293598
2009-12-03

Thermocouple data acquisition system

#210
20090228167
2009-09-10

Diagnostics for two-mode variable valve activation devices

#211
20090222162
2009-09-03

System and method for detecting machine movement and speed sensor failure

#212
20090192774
2009-07-30

Engine transition test instrument and method

#213
20090187390
2009-07-23

Engine Transition Test Instrument and Method

#214
20090179777
2009-07-16

ABNORMALITY DETECTION APPARATUS

#215
20090164166
2009-06-25

Method and apparatus for assessing the residual life of a sensor unit

#216
20090157355
2009-06-18

Method and device for diagnosing an ascertainment of a performance quantity of an internal combustion engine

#217
20090150053
2009-06-11

Method for ascertaining the gas work performed by the cylinder pressure on the piston of a cylinder and the internal mean pressure

#218
20090145211
2009-06-11

Virtual engine oil quality sensor

#219
20090138154
2009-05-28

Intake air temperature diagnostic system

#220
20090120410
2009-05-14

Ignition timing controlling apparatus and ignition timing controlling method for internal combustion engine

#221
20090112451
2009-04-30

Systems and methods for determining and displaying volumetric efficiency

#222
20090084171
2009-04-02

Device and method for monitoring the quality of an oil change and condition of engine oil from an oil change

#223
20090066337
2009-03-12

Method for determining valve degradation

#224
20090049897
2009-02-26

METHOD FOR ON-LINE ADAPTATION OF ENGINE VOLUMETRIC EFFICIENCY USING A MASS AIR FLOW SENSOR

#225
20090048729
2009-02-19

METHOD FOR DIAGNOSING THE OPERATIONAL STATE OF A VARIABLE VALVE ACTUATION (VVA) DEVICE USING A KNOCK SIGNAL

#226
20090030625
2009-01-29

Fuel efficiency measurement system and method for fuel cell vehicle

#227
20090025467
2009-01-29

Abnormality detection apparatus and abnormality detection method for internal combustion engine

#228
20090024295
2009-01-22

SYSTEM AND METHOD FOR REMOTELY MONITORING A TURBOCHARGED ENGINE

#229
20090013772
2009-01-15

METHOD FOR DETERMINING COMBUSTION STATE OF INTERNAL COMBUSTION ENGINE

#230
20090012673
2009-01-08

Diagnosis device for energy transfer in vehicle

#231
20090001996
2009-01-01

Systems and methods to evaluate permanent magnet motors

#232
20080276698
2008-11-13

Apparatus for diagnosing malfunctioning of oxygen sensor

#233
20080270011
2008-10-30

Apparatus for failure diagnosis of an intake air flow sensor

#234
20080264149
2008-10-30

System and method for engine sound calibration

#235
20080257026
2008-10-23

Method and apparatus for determining intake air mass

#236
20080249811
2008-10-09

Method and system for rough road indications for misfire detection

#237
20080223341
2008-09-18

Engine load estimating apparatus and engine load estimating method

#238
20080221774
2008-09-11

Method and apparatus for determining a parameter for normalized instantaneous heat release in an internal combustion engine

#239
20080140280
2008-06-12

Method for monitoring the functional software of control devices in a control device system

#240
20080125929
2008-05-29

Torque estimator for internal combustion engine

#241
20070100518
2007-05-03

Method and System For Fluid Condition Monitoring

#242
20060137428
2006-06-29

Oil consumption simulating device

#243
20050210969
2005-09-29

Engine cylinder deactivation test apparatus and method for using

#244
20050178191
2005-08-18

Measuring device for volume of engine combustion chamber

#245
14338873
2015-11-03

Variable valve lift diagnostic techniques based on camshaft speed