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Class Information
Number: 73/116
Name: Measuring and testing > Motor and engine testing
Description: Subject matter for performing a test on a motor or engine to determine a distinguishing, operational characteristic.

Sub-classes under this class:

Class Number Class Name Patents
73/117.2 Disparate tests under operating conditions 173
73/119R Motor part 165
73/118.1 Testing auxiliary unit 1,461
73/117.4 Thrust measurement (e.g., jet engine) 43
73/117.1 Utilizing a test chamber or tank to simulate operating conditions 51
73/117 With vehicle wheel supporting roller or belt 159

Patents under this class:

Patent Number Title Of Patent Date Issued
7314034 System for verifying cylinder deactivation status in a multi-cylinder engine Jan. 1, 2008
7310996 Sensor Dec. 25, 2007
7310574 Electronic architecture of an automatic system for driving an internal combustion engine Dec. 18, 2007
7308355 Method and control device for diagnosing a charge cycle valve stroke adjusting system of an internal-combustion engine Dec. 11, 2007
7305870 Apparatus for testing a moving vehicle Dec. 11, 2007
7302834 Method for supplying an internal combustion engine with conditioned combustion gas, device for carrying out said method, method for determining the quantities of pollutants in the exhaust gase Dec. 4, 2007
7293454 Anti-aliasing acoustic filter in the presence of pulsating flow Nov. 13, 2007
7292933 Engine misfire detection Nov. 6, 2007
7289892 Power train inspection system, power train inspected by power train inspection system, and control unit for power train Oct. 30, 2007
7288906 Manually operated brushless direct current motor Oct. 30, 2007
7281440 Particulate sampling system having flow check device Oct. 16, 2007
7280906 Method for detecting misfires of an internal combustion engine and device for carrying out the method Oct. 9, 2007
7277790 Combustion diagnostic for active engine feedback control Oct. 2, 2007
7272485 Fuel nature measuring device of internal combustion engine and internal combustion engine having the same Sep. 18, 2007
7269500 Process for determining the operating parameters of an injection device Sep. 11, 2007
7263877 Determination of the piston stroke in a reciprocating piston machine Sep. 4, 2007
7251989 Method and device for operating an internal combustion engine Aug. 7, 2007
7246006 Method and systems for determining internal combustion engine cylinder condition Jul. 17, 2007
7243532 Misfire detector for internal combustion engines Jul. 17, 2007
7231817 Inspection system for a turbine blade region of a turbine engine Jun. 19, 2007
7216531 Compression tester adapter apparatus and method May. 15, 2007
7214908 Glow plug integrated pressure sensor with filter trap May. 8, 2007
7213449 Flat track chassis dynamometer May. 8, 2007
7213448 Method for estimating the power capability of the primary power source of a hybrid vehicle May. 8, 2007
7207214 Glow plug integrated pressure sensor Apr. 24, 2007
7207213 Device for stabilizing the engine inlet flow in static tests of engines Apr. 24, 2007
7204132 Method for determining valve degradation Apr. 17, 2007
7203606 Information processing apparatus for numerically analyzing incompressible fluid and method therefor Apr. 10, 2007
7203580 Electrical control unit and control system comprising plural electrical control units Apr. 10, 2007
7194398 Method and apparatus for designing and developing a vehicular damper Mar. 20, 2007
7187773 System for evaluating abnormal sound, sound recorder and apparatus for evaluating abnormal sound Mar. 6, 2007
7181959 Fatigue failure diagnostic method of turbocharger and fatigue failure diagnostic apparatus for turbocharger Feb. 27, 2007
7181379 Variable altitude simulator system for testing engines and vehicles Feb. 20, 2007
7181333 Engine operation without cam sensor Feb. 20, 2007
7177758 Method for optimizing characteristics map Feb. 13, 2007
7174778 Control device for a motor vehicle Feb. 13, 2007
7174777 Method for controlling at least one actuator in a mass flow duct Feb. 13, 2007
7174776 Methodology for vehicle box component durability test development Feb. 13, 2007
7171925 Method for reversing the direction of rotation of a two-stroke engine Feb. 6, 2007
7165446 Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus Jan. 23, 2007
7162916 Method and system for determining engine cylinder power level deviation from normal Jan. 16, 2007
7159448 Combustion-chamber pressure sensor having a metallic diaphragm containing a piezoresistive, thin metallic layer Jan. 9, 2007
7146851 Diagnostic apparatus for variable valve control system Dec. 12, 2006
7143647 Analyzer unit for the measuring signal of a micromechanical sensor Dec. 5, 2006
7143641 Fluid test machine, methods and systems Dec. 5, 2006
7140241 Leak-check apparatus of fuel-vapor-processing system, fuel-temperature estimation apparatus and fuel-temperature-sensor diagnosis apparatus Nov. 28, 2006
7140240 Electric engine start system with inspection mode Nov. 28, 2006
7133766 Engine combustion state detection device Nov. 7, 2006
7133761 Method and apparatus for controlling an internal combustion engine using accelerometers Nov. 7, 2006
7131321 Throttle system abnormality determination apparatus Nov. 7, 2006

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