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| Number | Title | Issue Date |
| 7328605 | Ice-processing device An ice-processing device is configured to test a consequence of ice on an aircraft engine component by simulating an effect on the ice upstream of the component. ... | 02/12/2008 |
| 7289892 | Power train inspection system, power train inspected by power train inspection system, and control unit for power train The present invention provides inspection of a transmission with higher precision and in a shorter period of time. Before a finished A/T is inspected, a V/B ASSY and an ECU are inspected together by a V/B tester in a subsidiary line. A solenoid current command value... | 10/30/2007 |
| 7216531 | Compression tester adapter apparatus and method A compression tester adapter includes a plug fitting, a connector fitting and a flexible hose connected to the plug fitting and to the connector fitting to adapt a standard internal combustion engine cylinder compression tester hose assembly to a 16-millimeter threa... | 05/15/2007 |
| 7213449 | Flat track chassis dynamometer A chassis dynamometer for use with a test vehicle such as a snowmobile is provided. First and second spaced apart rolls support the test vehicle. A belt is arranged around the first and second rolls and rotationally couples the rolls to one another. The belt include... | 05/08/2007 |
| 7204229 | Method and device for determining an output torque In a method for determining an output torque in order to prevent pedal play in a gas pedal assigned to a combustion engine, a correction torque Muffset is calculated in this respect, which is dependent on the activation speed Nact of the idling... | 04/17/2007 |
| 7197950 | System for temperature-controlled testing of hydraulically actuated devices A temperature controlled hydraulic fluid supply circuit (12) includes a first hydraulic fluid reservoir (18), that has an initial hydraulic fluid (20), and a temperature controlled housing (45). A second hydraulic fluid reservoir (26 | 04/03/2007 |
| 7181379 | Variable altitude simulator system for testing engines and vehicles A method and system for controlling both the pressure and temperature at the engine air intake, engine crankcase, and at the engine exhaust so that pressure and temperature conditions are equilibrated. Engines are tested both at simulated high altitudes (operating a... | 02/20/2007 |
| 7124021 | Engine testing device which simulates dynamic gas exchange A testing device allows a test engine (such as a single-cylinder test engine) to experience the air exchange characteristics of a multi-cylinder test engine having a greater number of cylinders. The test engine receives air from an air source (such as the atmosphere... | 10/17/2006 |
| 7066143 | Barometric pressure diesel timing controller A fuel injection timing control system for diesel engines operating at high altitude, including a sensor for a parameter of the engine intake air, such as engine intake air pressure or turbocharger speed. This sensor communicates with a barometric pressure timing co... | 06/27/2006 |
| 7043974 | Multiple-blower relative humidity controlled test chamber An accelerated weathering apparatus includes a test chamber (30), a specimen supporting means (34), a light source (60) powered by a power source controlled by a ballast, at least one chamber air temperature sensor (26), a black panel tem... | 05/16/2006 |
| 7010460 | Reciprocating engine cylinder contribution tester and method Engine cylinder contribution analysis is provided. An engine cylinder contribution tester includes a displacement measurement device and a signal analyzer. The displacement measurement device detects engine block movements or displacement relative to a fixed positio... | 03/07/2006 |
| 6999865 | Method for operating an internal combustion engine; control and/or regulating device for an internal combustion engine; computer program; and electrical storage medium of an internal combustion engine In a method for operating an internal combustion engine, the air-fuel ratio in a combustion chamber is a function of the operating conditions and/or the operating state of the internal combustion engine. It is provided that, with the aid of a data model, a variable ... | 02/14/2006 |
| 6978665 | Hydrogen supply apparatus and hydrogen supply method for measuring fuel consumption of hydrogen fuel vehicle To reduce errors of measurement of fuel consumption resulting from air remaining in piping of a hydrogen supply apparatus, a hydrogen supply method for measuring fuel consumption of a hydrogen fuel vehicle comprises; a step (S02) of prior to supplying hydroge... | 12/27/2005 |
| 6920782 | Personal-watercraft testing apparatus Personal watercraft to be test is set in a water tank. Water flow guide plate is positioned, rearward of the stern of the watercraft, for guiding a water jet from the watercraft to make a U-turn toward a front portion of the watercraft. Vertical partition plate is p... | 07/26/2005 |
| 6691635 | Thrust measurement system for small planing watercrafts A thrust measurement system includes a water pool for receiving therein a watercraft in a floating condition, a bow holding apparatus disposed on an edge portion of the water pool for holding a bow of the watercraft, a thrust measurement device mounted in... | 02/17/2004 |
| 6690174 | Method and arrangement for load testing electrical systems of a motor vehicle The invention relates to a method and arrangement for load testing electrical systems of a motor vehicle. The operator control elements of the electrical systems are activated via an externally controlled robot during a test period of typically 7 to 14 da... | 02/10/2004 |
| 6588287 | Multiple stage system for aerodynamic testing of a vehicle on a static surface and related method A system for aerodynamically testing a vehicle having a front pair of wheels and a rear pair of wheels includes a surface for statically supporting the vehicle. The system additionally includes a primary source of air directed towards the vehicle. The pri... | 07/08/2003 |
| 6577973 | Method and device for taking into account friction losses during the simulation of masses on stationary test benches To correct the loading moment due to the test bench related frictional losses in the simulation of masses on stationary test benches, a correction circuit (10) is connected to a weather detection device (13) which detects the air pressure (P), humidity (&... | 06/10/2003 |
| 6571615 | Bed for testing thermal fatigue in internal combustion engine cylinder heads, and associated methods A thermal fatigue test stand for combustion engine cylinder heads. A cylinder head support having at least a cylinder head zone capable of being exposed to the engine combustion. At least one burner for directing a flame on the entire head zone. At least ... | 06/03/2003 |
| 6568255 | Universal thermal engine simulator A test stand for testing an exhaust system for a vehicle is disclosed. The test stand has a engine block having a number of cylinders. The engine block is an engine head which defines exhaust ports to couple the engine block cylinders to the exhaust syste... | 05/27/2003 |
| 6561014 | Altitude simulator for dynamometer testing A method and apparatus for conducting dynamometric testing of an internal combustion engine at a test site under a simulated atmospheric pressure that differs substantially from an actual ambient atmospheric pressure existing at the test site. The interna... | 05/13/2003 |
| 6505503 | Stationary drag racing simulation system The vehicle drag racing simulation system includes a drag racing simulation area typically for a plurality of vehicles, such as a flatbed of a truck. A restraining assembly is provided for rigidly securing the vehicles to the platform in a generally uprig... | 01/14/2003 |
| 6497137 | Annular after reactor with sound attenuator for use in a jet engine test cell and test stand An annular after reactor is aligned axially with the direction of exhaust flow from the exhaust port of a jet engine under static test. Located near the front end of the reactor is a first set of gas injectors. A second set of gas injectors are located do... | 12/24/2002 |
| 6385530 | Method for detecting a tumble flow in a cylinder chamber of an internal combustion engine For the purpose of detecting a tumble flow in a cylinder chamber of an internal combustion engine, with a characteristic tumble value being determined as a quotient from an angular velocity ωFK of the tumble movement and an angular velocity ω... | 05/07/2002 |
| 6351989 | Apparatus and method for measuring infiltration flow rate An apparatus and method for measuring the infiltration flow rate into the passenger compartment of a moving motor vehicle includes a controlled source of a distinct, miscible gas such as carbon dioxide (CO2) a plurality of sensors disposed abou... | 03/05/2002 |
| 6237395 | Annular after reactor for use with a jet engine test cell An annular after reactor is aligned axially with the direction of exhaust flow from the exhaust port of jet engine undergoing static test. Located near the front end of the annular after reactor is a first set of gas injectors which extend inward into the... | 05/29/2001 |
| 5986545 | Vehicle driveability evaluation system In a vehicle driveability evaluation system, an engine is coupled to a dynamic dynamometer which is capable of changing a load torque and a speed in a very short time. A control unit controls the dynamic dynamometer so that the load torque and the speed o... | 11/16/1999 |
| 5908982 | Test apparatus for rotary drive A test apparatus for testing the performance of a rotary drive includes a aft which extends along a longitudinal axis, at least one support for supporting the shaft in an elevated position, and a flywheel of predetermined weight rotatably attached to the ... | 06/01/1999 |
| 5831155 | Apparatus and method for simulating rocket-to-ramjet transition in a propulsion system A test facility for realistically simulating selected operating conditions for a multi-mode aircraft propulsion system employs bypass ducting to rapidly introduce heated compressed air to a ramjet engine immediately following rocket booster operation. Hea... | 11/03/1998 |
| 5780729 | Fuel delivery system A engine fuel delivery system for vehicles under test, which effectively its the quantity of fuel under pressurization at any given time during a test sequence of the vehicle's engine. The system thus effectively reduces the magnitude of an explosion whi... | 07/14/1998 |
| 5777243 | Adjustable vehicle simulator rig for chassis dynamometer testing A vehicle simulator (20) for use in vehicle dynamometer and other types of testing for automotive vehicles. The simulator (20) is made up of a first portion and a second portion detachably connected to the first portion. The first portion preferably is fo... | 07/07/1998 |
| 5693872 | Method and apparatus for testing preconditioned vehicle exhaust emission This invention provides a method and apparatus for testing preconditioned exhaust emissions of vehicles having internal combustion engines. The apparatus of the present invention comprises a test track over which a vehicle is moved under its own power and... | 12/02/1997 |
| 5652381 | Ignition system test instrument An ignition system test instrument used on spark ignited engines includes a housing having a spark chamber. A sleeve with an open and a closed end is slidably mounted over the housing. A compression chamber is formed between the sleeve closed end and the ... | 07/29/1997 |
| 5592372 | Sealed housing evaporative determination testing apparatus and method A computer controlled sealed housing evaporative determination (SHED) testing apparatus and method are provided for testing evaporative emissions for a motor vehicle. The SHED testing apparatus includes a substantially air-type testing structure for enclo... | 01/07/1997 |
| 5589629 | Method and apparatus for testing vehicle exhaust emissions This invention provides a method and apparatus for testing exhaust emissions of vehicles having internal combustion engines. The apparatus of the present invention comprises a test track over which a vehicle is moved under its own power and remote exhaust... | 12/31/1996 |
| 5585549 | Rapid life test system for engine cylinder block A system for hydrostatically testing a cylinder block for an internal combustion engine simulates the gas loads imposed upon the cylinder block when the engine is firing. The system includes an engine cylinder block having multiple cylinders, with pressur... | 12/17/1996 |
| 5571959 | 250PFNT series portable fuel nozzle tester The 250PFNT is a self contained Portable Fuel Nozzle Tester incorporating a cabinet and frame assembly which houses all utility needs required to operate. It is a compact unit enabling safe and environmentally friendly testing of Allison Model 250 turbine... | 11/05/1996 |
| 5569846 | Modular apparatus for iteratively evaluating combustion flow process A modular apparatus for evaluating flow processes. The apparatus has (i) a closure for a chamber, the closure defining at least one aperture and at least one seating basin facing away from the chamber; and (ii) at least two stacking elements cooperatively... | 10/29/1996 |
| 5431045 | Device and method for measuring on earth the thrust of thrusters for use in space The equipment for measuring on earth the thrust of thrusters for use in space comprises a balance (1) and a measuring means (11) which is associated with the balance in order to measure the thrust exerted by the thruster (P). The balance (1) is provided w... | 07/11/1995 |
| 5388453 | Method and apparatus for measuring evaporative vehicle emissions Provided is a method and apparatus for measuring evaporative vehicle emissions. In accordance with the invention, there is provided a leak-tolerant apparatus for use in cooperation with an absolute fluid pressure sensor for measuring evaporative emissions... | 02/14/1995 |
