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2G087 | TESTING OF ENGINES | |
G01M15/00 -15/14 |
G01M15/00-15/14 | AA | AA00 ITEM TO BE TESTED: TYPE OF ENGINE, PART TO BE TESTED |
AA01 | AA02 | AA04 | AA05 | AA07 | AA08 | ||||
. Diesel engines | . Rotary engines | . Gas turbines or jet engines | . Rockets | . for use in other than automobiles | . . for ships | |||||||
AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | AA18 | AA19 | |||||
. Parts of engines * | . . Cylinder heads | . . . Combustion chambers | . . Cylinder blocks | . . Air intake and exhaust systems | . . . Throttle valves | . . EGR systems | . . Fuel systems | |||||
AA22 | AA23 | AA24 | AA26 | AA27 | AA30 | |||||||
. . Auxiliary machines | . . . Superchargers | . . . Starters | . . Control devices | . . Measurement and detection means e.g. sensors | . Others * | |||||||
BB | BB00 CONTENT OF TEST |
BB01 | BB02 | BB03 | BB04 | BB07 | BB08 | |||||
. Performance tests | . Durability tests | . Environmental tests | . Noise and vibration tests | . Non-combustion drive | . . Motoring | |||||||
BB11 | BB12 | BB13 | BB14 | BB16 | BB17 | BB19 | ||||||
. Detection of combustion states | . . Detection of knocking | . . Detection of ignition or firing | . . Detection of incorrect ignition | . Compression ratio | . Valve timing | . in idling states | ||||||
BB21 | BB23 | BB25 | BB26 | BB27 | BB28 | BB30 | ||||||
. Detection of air fuel ratios i.e. A/F | . relating to the vicinity of top dead centres | . relating to fuel | . relating to intake air | . relating to cooling water | . relating to exhaust gas | . relating to lubrication | ||||||
BB31 | BB33 | BB35 | BB37 | BB39 | BB40 | |||||||
. at starting or acceleration and deceleration | . at starting | . Mechanical properties e.g. creeping or the like | . Discrimination of engines e.g. the number of cylinders the discrimination of cylinders or the like | . Quality of assembling | . Others * | |||||||
CC | CC00 MEASUREMENT ITEM OR DETECTION VARIABLE |
CC01 | CC02 | CC03 | CC05 | CC06 | CC07 | CC08 | CC10 | |||
. Rotation speed acceleration or number of revolutions | . Positions or angles | . . Crank angles | . Loads | . Torque or motive power e.g. horsepower | . Load or power | . . Frictional forces | . Wear | |||||
CC11 | CC12 | CC13 | CC15 | CC17 | CC19 | |||||||
. Pressure | . . Combustion chambers | . . Air supply and exhaust | . Vibrations or sounds | . Combustion light | . Gas analysis | |||||||
CC21 | CC22 | CC23 | CC24 | CC25 | CC27 | CC28 | CC29 | CC30 | ||||
. Temperatures | . . Fuel | . . Supply gas or exhaust gas | . . Lubrication oil | . . Cooling water or cylinders | . Flow rates including amount of consumption | . . Fuel | . . Air | . . Lubricating oil | ||||
CC31 | CC33 | CC34 | CC35 | CC36 | CC38 | CC40 | ||||||
. Leakage | . Detection of electrical variables * | . . Currents voltages or resistance | . . . Ion currents or discharge currents | . . relating to electromagnetic waves | . detecting each cylinder | . Others * | ||||||
DD | DD00 TEST CONDITION OR CONTROL |
DD01 | DD03 | DD04 | DD06 | DD07 | DD09 | |||||
. Rotary drive | . applying loads | . applying vibration | . Heat application or humidity application | . Pressurisation | . imparting simulated inputs | |||||||
DD11 | DD12 | DD13 | DD15 | DD17 | DD20 | |||||||
. Control of engines | . . Control of ignition currents or voltages | . . Control of ignition timing | . . Number of revolutions | . . Control of loads or torque | . Others * | |||||||
EE | EE00 TESTING APPARATUS |
EE01 | EE02 | EE04 | EE05 | EE07 | EE08 | EE09 | EE10 | |||
. Test chambers | . Automatic and multiple item testing apparatuses | . Test lines | . . of rotating table types | . Devices for carrying in or out engines | . . Pallets | . . Devices for setting or resetting engines to test stands | . Tests of multiple types of engines | |||||
EE11 | EE12 | EE14 | EE16 | EE17 | EE18 | EE19 | ||||||
. characterised by partial structures of testing apparatuses | . . Drive devices connected to crank shafts | . characterised by accessories | . Fuel supply devices | . Intake and exhaust processing devices | . Cooling water processing devices | . Temperature testing apparatuses | ||||||
EE21 | EE22 | EE23 | EE24 | EE26 | EE27 | EE29 | EE30 | |||||
. Self-diagnostic devices or diagnosis of failures | . Simulators | . Computers for testing | . mounting position of sensor | . preventing influences on the environment | . . Prevention of vibration or noise | . capable of making emergency stop | . Others * | |||||
FF | FF00 PROCESSING, ANALYSIS, DETERMINATION, DISPLAY, OR RECORDING OF MEASURED VALUE |
FF01 | FF02 | FF03 | FF04 | FF06 | FF07 | FF08 | FF09 | |||
. Processing or analysis of measurement or detection signals * | . . Shaping of waveforms | . . Sampling | . . Filter circuits | . . Peak values or minimum values | . . Mean values | . . characterised by operations of differences or ratios | . . Standard deviation | |||||
FF12 | FF13 | FF14 | FF16 | FF18 | FF20 | |||||||
. . characterised by integration or addition | . . characterised by rate of change or differentiation | . . Correlations | . . Analyses of frequencies | . . Processing or analysing each cylinder | . . using function generators | |||||||
FF21 | FF22 | FF23 | FF24 | FF25 | FF26 | FF28 | FF30 | |||||
. Determination | . . Determination of knocking | . . Comparison with reference values | . . . Creation of reference values | . . . . Creation from measured values | . . . . Values at non-knocking i.e. backgrounds | . . . with reference values stored or programmed | . . . different in reference values at each cylinder | |||||
FF32 | FF36 | FF37 | FF38 | FF39 | FF40 | |||||||
. . Prevention of erroneous determination | . Displays | . . Displays of abnormalities | . . CRT displays | . Recording | . Others * |