Patents for G01M 15 - Testing of engines (13,067)
11/1977
11/01/1977US4055993 Sub-cyclic measurement of speed of an internal combustion engine
10/1977
10/25/1977US4055079 Cylinder firing indicator
10/04/1977US4052663 Timing system for measuring angle of advance of fuel injection
09/1977
09/27/1977US4050306 Method and apparatus for measuring pressures
09/27/1977US4050297 Measuring electrical parameters of an internal combustion engine during cranking
09/13/1977US4048497 Method of measuring the oil consumption of internal combustion engines
09/06/1977US4046004 Diesel Engine diagnosing device
09/06/1977US4046003 Engine turbocharger diagnostics
08/1977
08/23/1977US4044236 Method and apparatus for controlling the operation of an internal combustion engine
08/23/1977US4044235 Method and apparatus for determining smooth running operation in an internal combustion engine
08/23/1977US4044234 Process and apparatus for controlling engine operation near the lean-running limit
08/23/1977US4043189 Engine, cylinder identification (CID) transducer
08/09/1977US4040294 Apparatus for detecting misfire in multicylinder internal combustion engine
08/02/1977US4039931 System to sense a marker on a rotating body
07/1977
07/19/1977US4036050 Engine monitoring apparatus
06/1977
06/28/1977US4031747 Misfire monitor for engine analysis having automatic rescaling
06/21/1977US4030350 Apparatus for simulating variable air pressures
06/21/1977US4030349 Engine analysis apparatus
05/1977
05/17/1977US4024458 Electrical signal generating system
05/17/1977US4023549 Exhaust temperature monitoring system
05/17/1977US4023403 Method and apparatus for timing diesel engines
04/1977
04/12/1977US4016754 Testing device for wheeled automotive vehicles
04/12/1977US4016753 Sub-cyclic speed and cyclic time measurements for internal combustion engine horsepower indication
04/05/1977US4015467 Sub-cyclic measurements of speed and time for internal combustion engine horsepower indication
04/05/1977US4015466 Determination of number of teeth on an internal combustion engine flywheel
01/1977
01/11/1977US4002155 Engine and engine spark timing control with knock limiting etc.
01/11/1977US4002065 Steam turbine valve positioning system having throttle valve test capability
12/1976
12/28/1976US3999425 Method and apparatus for preforming exhaust gas emission tests with vehicle engines
12/28/1976US3999383 Engine misfire protection system
12/21/1976US3998095 Method and apparatus for quickly evaluating engine exhaust gas emissions
12/14/1976US3996793 Pressure control test apparatus
11/1976
11/30/1976US3994160 Acceleration burst test apparatus and method for internal combustion engines
11/16/1976US3992627 Diagnostic apparatus
11/09/1976US3990303 Ignition analyzer for use with electronic ignition systems
11/09/1976US3990302 Automotive ignition analyzer with cylinder of interest display
11/02/1976US3988925 Valve lash adjusting tool and method therefor
10/1976
10/12/1976US3986009 Power contribution measurement system for internal combustion engines
10/05/1976US3983754 Apparatus for detecting misfires in multi-cylinder type internal combustion engines
09/1976
09/28/1976US3983375 Tiltester
09/07/1976US3979598 Dual range adjustable delay circuit
09/07/1976US3978720 Combustion detector for internal combustion engines
09/07/1976US3978719 Tachometer without physical connection to internal combustion engine
08/1976
08/31/1976US3977240 Engine test system
08/31/1976US3977239 Engine diagnosis from frequency components in exhaust
08/24/1976US3975953 Method and apparatus for reproducing operating conditions in induced flow devices
08/10/1976US3973848 Automatic gas analysis and purging system
08/03/1976US3972230 Detecting malfunction in cylinders of internal combustion engines
06/1976
06/29/1976US3965677 Misfire detecting apparatus for an internal combustion engine
06/22/1976US3964301 Engine brake horsepower test without external load
06/15/1976US3962866 Internal combustion exhaust catalytic reactor monitoring system
06/01/1976US3961239 Signal conditioning circuit for vehicle diagnostic system
05/1976
05/18/1976US3958122 Exhaust gas analyzer having pressure and temperature compensation
05/18/1976US3957372 Vehicle exhaust gas analysis system
05/04/1976US3955135 Vehicle rpm and dwell measurement system
04/1976
04/20/1976US3950981 Automatic system for suppressing the ground noise of apparatus for measuring the knocking
04/06/1976US3948228 Exhaust gas sensor operational detection system
03/1976
03/16/1976US3944733 Signal recognition apparatus
03/09/1976US3942366 Fuel injection arrangement
03/09/1976US3942365 Power test means and method for internal combustion engines
03/09/1976US3942363 Drive-dynamometer system
03/02/1976US3941205 Method and means for controlling the air pressure in a sound-proofed hangar for testing jet engines
03/02/1976US3940977 Signal disabling engine diagnosing apparatus
02/1976
02/24/1976US3939711 Engine misfire detection system
02/17/1976US3938377 Method and apparatus for production hot testing of engines under load
02/17/1976US3938376 Volume signal generator for thermodynamic cycle analyzers
02/10/1976US3938075 Exhaust gas sensor failure detection system
01/1976
01/27/1976US3935427 Car diagnosis system