Patents for G01M 15 - Testing of engines (13,067)
04/1980
04/01/1980US4195494 Dynamometer and coupling for a test stand
03/1980
03/25/1980US4194471 Internal combustion engine exhaust gas monitoring system
03/18/1980CA1074011A1 Engine diagnosis from frequency components in exhaust
03/11/1980US4192178 Apparatus for determining stagnation pressure, static pressure, pitch angle, and yaw angle of elastic fluid
03/04/1980US4191144 Method for controlling ignition timing in an internal combustion engine
02/1980
02/26/1980US4189940 Engine fault diagnosis
02/26/1980US4189939 Compact multimission aircraft propulsion simulator
02/20/1980EP0008199A1 Apparatus for determining hydrocarbon combustion efficiency and method and apparatus for analyzing i.c. engine faults
02/19/1980CA1072211A1 Power contribution measurement system for internal combustion engines
02/06/1980EP0007881A1 Method and device for assisting in driving a road vehicle
01/1980
01/09/1980EP0006280A1 Dynamometer test rig
01/08/1980US4182166 Dynamometer test stand
01/01/1980CA1069178A Testing compression in engines from starter motor current waveform
12/1979
12/25/1979US4179923 Cradle mounted dynamometer
12/25/1979US4179922 Data acquisition for use in determining malfunctions of cylinders of an internal combustion engine
12/11/1979CA1067959A2 Stoichiometric air/fuel ratio exhaust gas sensor
11/1979
11/27/1979US4175427 Engine fault analysis on catalytic converter equipped autos
11/20/1979CA1066773A1 Method and apparatus for timing diesel engines
10/1979
10/23/1979US4171691 Exhaust gas recirculation control system for an internal combustion engine
10/23/1979US4171637 Fuel burning efficiency determination system
10/09/1979US4170753 Diagnostic equipment for the internal combustion, carburetor type engines
10/09/1979US4170131 Single sensor engine analyzer with noise rejection and automatic triggering circuit
08/1979
08/28/1979US4165650 Dual purpose pressure sensor
08/14/1979US4164142 Method for setting side to side carburetor balance
08/07/1979US4163385 Engine knocking meter
07/1979
07/10/1979US4160373 Vehicle exhaust gas analysis system with gas blockage interlock
07/10/1979CA1057979A1 Combined speed rate and engine efficiency indicator
06/1979
06/19/1979US4158884 Gas turbine engine trim test set apparatus
06/19/1979US4158305 Method for dynamically timing an apparatus
05/1979
05/08/1979USRE29984 Engine ignition and power analyzer
05/01/1979CA1053478A2 Method and apparatus for production hot testing of engines under load
04/1979
04/17/1979US4149408 Diagnostic monitoring device for closed loop air/fuel ratio control system of vehicle engine
04/03/1979US4147054 Method and apparatus for determining the upper dead-center position with piston engines
03/1979
03/27/1979US4146875 Pressure sensing device
03/20/1979US4145746 Engine tester display and printing techniques
03/20/1979US4144746 Method for determining a measurement value proportional to the compression of an internal combustion engine
03/06/1979CA1050113A1 Ignition analyzer for use with electronic ignition systems
03/06/1979CA1050111A1 Vehicle rpm and dwell measurement system
03/06/1979CA1050110A1 Automotive ignition analyzer with cylinder of interest display
02/1979
02/27/1979US4141241 Analyzing exhaust gases from an internal combustion engine
01/1979
01/30/1979US4137454 Radiography
01/23/1979CA1046797A1 Fuel measuring systems for engines
01/16/1979US4135154 CRT Display of condition in cylinders of internal combustion engine
01/16/1979US4134374 Method and apparatus for detecting cylinder malfunction in internal combustion engines
01/09/1979US4133205 Identification of engine cylinder having fault
01/09/1979CA1045847A1 Vehicle exhaust gas analysis system
01/02/1979CA1045405A1 Exhaust gas analyzer having pressure and temperature compensation
12/1978
12/19/1978US4130872 Method and system of controlling a jet engine for avoiding engine surge
12/19/1978CA1044780A1 Exhaust gas sensor operational detection system
12/12/1978US4129037 Apparatus for wear detection
12/12/1978US4129034 Method and apparatus for checking engine performance
12/12/1978CA1044043A1 Tachometer without physical connection to internal combustion engine
12/12/1978CA1044042A1 Method and apparatus for reproducing operating conditions in induced flow devices
12/05/1978US4128005 Automated engine component diagnostic techniques
11/1978
11/21/1978US4126037 Compression test using battery voltage waveform during cranking
11/21/1978CA1042683A1 Method and apparatus for production hot testing of engines under load
11/14/1978US4125894 Engine test and display apparatus
11/14/1978US4125374 Method and apparatus for determining combustion mixture air/fuel ratio
11/14/1978US4125015 Process and device for determining the quantity of air inducted by an internal combustion engine
11/07/1978US4123935 Testing method for a reciprocating internal combustion engine
10/1978
10/31/1978CA1041321A1 Engine brake horsepower test without external load
10/24/1978US4121611 Jet pipe for conducting hot gases
10/24/1978US4121455 Measuring a flow of gas through a combustion engine
10/24/1978US4121452 Inspection and examination apparatus for motor cars
10/17/1978US4120272 Device for optimum control of the sparking time of a spark ignition engine, during its operation
10/10/1978CA1040262A1 Timing system for internal combustion engines
10/03/1978CA1039534A1 Pickup for measuring the maximum pressure in internal combustion engine cylinder
09/1978
09/26/1978US4116053 Thermal reactor/catalytic converter efficiency determination method
09/26/1978US4116052 Jet engine test set
09/26/1978US4116051 Engine load-proportional working time measurement
09/12/1978US4113980 Vehicle diagnostic hand control
09/12/1978US4112879 Process for the regulation of the optimum operational behavior of an internal combustion engine
09/12/1978US4112747 Real-time recording of fatigue damage
09/05/1978US4111041 Indicated mean-effective pressure instrument
08/1978
08/29/1978US4109519 Dynamometer employing multiple disc brake assemblies
08/29/1978US4109518 Engine monitoring apparatus
08/29/1978US4109506 Device for monitoring the lubrication of the crankshaft of a reciprocating internal combustion engine
08/22/1978US4108362 Vehicle diagnosis data entry system
08/22/1978US4107984 System for maintaining level of oil in engine
08/08/1978US4104908 Bore stress limit index
07/1978
07/18/1978US4101859 Magnetic pick up for use with electronic ignition systems
07/18/1978US4100793 Air/fuel regulator diagnostics for internal combustion engine
06/1978
06/20/1978US4095462 Device for detecting the air-fuel ratio of an internal combustion engine
06/13/1978US4094190 Compression measuring apparatus
06/06/1978US4092855 Dynamometer and coupling for a test stand
05/1978
05/23/1978US4090401 Method of endurance test with initial overloading
04/1978
04/11/1978US4083235 Compressor stall warning system
04/11/1978US4083234 Method of and system for detecting misfire in internal combustion engine
03/1978
03/14/1978US4078531 Exhaust temperature monitoring system
02/1978
02/07/1978US4072047 Method and apparatus for monitoring intake manifold vacuum
01/1978
01/31/1978US4071839 Motor vehicle air conditioner control and warning system
12/1977
12/27/1977US4064748 Power indicating means and method for an internal combustion engine
12/27/1977US4064747 Relative and sub-cyclic speed measurements for internal combustion engine diagnostics
12/27/1977US4064746 Parameter controlled speed determination in internal combustion engine diagnostics
12/13/1977US4062234 Dynamometer test stand
12/13/1977US4062232 Testing compression in engines from starter motor current waveform
12/06/1977US4061026 Full throttle, specific speed tests in internal combustion engine diagnostics
12/06/1977US4061025 Speed-related indication comparisons in internal combustion engine diagnostics
11/1977
11/01/1977US4055998 Waveform count of teeth on an internal combustion engine flywheel
11/01/1977US4055995 Engine air-in-fuel diagnostics