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| Number | Title | Issue Date |
| 6889541 | Apparatus for measuring bore distortion of a cylinder block Specific pressure and temperature conditions of an engine being measured are achieved by a compressor and a coolant controller, and bore distortion is measured as a gap between a rotation unit and a cylinder wall, wherein the measuring position may be vertically and... | 05/10/2005 |
| 6889654 | Electronic throttle control for watercraft A watercraft has an engine that is controlled by an electronic control unit and the engine is controlled by an electronic throttle. The electronic throttle is actuated by a motor that is controlled by and electronic control unit. The ECU operates the electronic thro... | 05/10/2005 |
| 6886422 | Methods and apparatus for inspecting components A method for inspecting a component. The method includes coupling the component to a fixture such that the component is fixedly secured in position during machining of the component, and inspecting the component using an inspection tool while the component is couple... | 05/03/2005 |
| 6886397 | Method for the diagnosis a tank ventilation valve A method is introduced for testing the operability of a tank vent valve between an internal combustion engine and a fuel vapor reservoir, in which the stored fuel vapor is supplied from the fuel vapor storage to the internal combustion engine when the tank vent valv... | 05/03/2005 |
| 6865929 | Combustion state detection and failure determination apparatus of an internal combustion engine Ion current detection signal output section for outputting an ion current detection signal including a failure determination signal of an ignition operation is provided, and a failure determination as well as a combustion state can be performed based on this ion cur... | 03/15/2005 |
| 6860144 | Oxygen sensor monitoring arrangement A non-intrusive method and arrangement for detecting the aging of an oxygen sensor, without increasing tailpipe emissions, is provided. The method detects an aging oxygen sensor, located between a motor vehicle engine and a catalytic converter, by sampling a series ... | 03/01/2005 |
| 6851306 | Method and apparatus for probe sensor assembly A sensor package and method of making the same is disclosed in which the sensor package includes a sensor component for electromagnetic sensing having a sensor body with a sensor tip at one end. A sensor housing having a cavity for receiving the sensor component is ... | 02/08/2005 |
| 6845656 | Sensor mounting structure and semiconductor pressure sensor for motor vehicles To provide a sensor mounting structure which enables mounting an automotive sensor directly to the wall section of a part to be detected, without using screws, and also mounting a pressure detector directly to a pressure air passage without using a pressure inlet pi... | 01/25/2005 |
| 6843125 | Fluid-aligned measurement apparatus and method An apparatus 10 for producing one or more characterizing measurements of a surface 12 in relation to a repeatedly reproducible datum axis A-A, the apparatus 10 comprising a probe 14; a first porous surface 16 located on the probe | 01/18/2005 |
| 6752011 | Thermostat failure diagnosis apparatus for internal combustion engine In a thermostat failure diagnosis apparatus for an internal combustion engine in which a failure diagnosis of a thermostat can be effectively made, in the case where, after starting of the engine, an intake air quantity of the engine or a parameter related to the in... | 06/22/2004 |
| 6725710 | Thermostat malfunction detecting system for engine cooling system A malfunction of a thermostat in a coolant circulating path is detected from an engine side coolant temperature in consideration of the following behavior of the coolant temperature. When an open-malfunction occurs, the coolant temperature becomes different consider... | 04/27/2004 |
| 6684690 | Method for monitoring slide bearings of a crank mechanism of a piston engine with at least one cylinder A method for monitoring slide bearings (8, 10, 11) of a crank mechanism (12) of a piston engine is described, comprising at least one cylinder (1) whose piston (2) is drivably connected with a crankshaft (4) via a connecting rod (5) which is loaded altern... | 02/03/2004 |
| 6679110 | Thermostat malfunction detecting system for engine cooling system A malfunction of a thermostat in a coolant circulating path is detected from an engine side coolant temperature in consideration of the following behavior of the coolant temperature. When an open-malfunction occurs, the coolant temperature becomes differe... | 01/20/2004 |
| 6675115 | Method and apparatus for automatically setting rocker arm clearances in an internal combustion engine A method for automatically setting valve clearances in internal combustion engines (also known as "tappet setting" or "valve lash setting") comprises a series of steps in which a rocker arm is set to a zero position that is recorded as a reference datum a... | 01/06/2004 |
| 6672147 | Method for detecting clogging in a fuel filter in an internal combustion engine supply circuit The invention concerns a method for detecting clogging in a fuel filter, between a fuel pressure regulator imposing a pressure towards the internal combustion engine downstream of the filter and an electric motor pump compressing fuel coming from the tank... | 01/06/2004 |
| 6658926 | Method for monitoring slide bearings, especially of a piston engine A method is described for monitoring slide bearings (10, 6, 9), especially of a piston engine, with a forced feed lubrication (12) comprising a forced-oil line (16) and branch lines (17) branching off from the forced-oil line (16) for the supply with oil ... | 12/09/2003 |
| 6651493 | Torque converter dynamometer and method of using same A dynamometer provides an apparatus and method for testing a torque converter without requiring that an automotive transmission be attached. The dynamometer includes a prime mover mounted on a frame for driving the torque converter. A dynamic loading devi... | 11/25/2003 |
| 6647770 | Apparatus and method for testing internal combustion engine valves An apparatus for testing internal combustion engine valves is provided. The apparatus includes a housing with a bore for receiving a seat fixture. The seat fixture, in turn, receives a seat insert. A valve is inserted into the apparatus so the valve head ... | 11/18/2003 |
| 6637932 | Engine thrust bearing condition monitoring method A method is provided for monitoring engine thrust bearing temperature deviations. Initially, key engine parameters are measured. A bearing temperature rise can be predicted based on the measured parameters. The predicted rise value is compared with the ac... | 10/28/2003 |
| 6619109 | Steam turbine inlet bell seal inspection apparatus and method An inspection apparatus (40) for in-situ leak testing of the bell seal (30) of a steam turbine (10). The apparatus includes a pair of inflatable bladders (48,52) for defining a sealed volume having the bell seal (30) as its only leakage path. The mass flo... | 09/16/2003 |
| 6615676 | Power steering belt tensioning apparatus and method A method and system for tensioning a belt, the system including a tensioning measuring head, a controller, and an air impact gun. The tension measuring head includes a vibration sensor and a belt striker. The controller activates the belt striker and rece... | 09/09/2003 |
| 6612163 | Device for testing transaxle A device for testing a transaxle is constructed such that a drive motor is coupled with an input shaft of the transaxle through an input-shaft torque meter, and dynamometers are coupled with output shafts of the transaxle through axle shafts and output-sh... | 09/02/2003 |
| 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 |
| 6561048 | Water-flow testing apparatus A water-testing apparatus tests an article such as a turbine airfoil component having at least two water flow passage article inlets. The apparatus includes an apparatus body having a water inlet, and an attachment head integral with the apparatus body. T... | 05/13/2003 |
| 6546347 | Method and apparatus for automatically setting rocker arm clearances in an internal combustion engine A method for automatically setting valve clearances in internal combustion engines (also known as "tappet setting" or "valve lash setting") comprises a series of steps in which a rocker arm is set to a zero position that is recorded as a reference datum a... | 04/08/2003 |
| 6539787 | Glow plug having a combustion pressure sensor A gas tight and simplified glow plug includes a combustion pressure sensor. The plug main body includes a cylindrical housing to be mounted in an engine head with one end side positioned at a combustion chamber side of the engine head. A cylindrical sheat... | 04/01/2003 |
| 6532810 | Method and apparatus for detecting timing belt damage using inductive link coupling A drive belt, such as a toothed belt such as for an automotive or other engine timing belt or a V-belt for driving machinery comprises a belt with a thin conductive wire or strip embedded in the belt material in the form of a closed loop. Such a wire tend... | 03/18/2003 |
| 6532808 | Thermostat failure diagnosis apparatus for internal combustion engine In a thermostat failure diagnosis apparatus for an internal combustion engine in which a failure diagnosis of a thermostat can be effectively made, in the case where, after starting of the engine, an intake air quantity of the engine or a parameter relate... | 03/18/2003 |
| 6530269 | Enhanced motor velocity measurement using a blend of fixed period and fixed distance techniques A method of estimating the angular velocity of an electric power steering motor for an automobile is disclosed. The method comprises estimating an average angular velocity of the motor; estimating an instantaneous angular velocity of the motor; weighting ... | 03/11/2003 |
| 6523400 | Method and apparatus for detecting timing belt damage using link-coupled feedback Apparatus for monitoring a change of condition in a drive belt, such as timing belt, includes a first inductance coil, a second inductance coil, and an electrically conductive loop embedded in the drive belt. Such a conductive wire or strip embedded in th... | 02/25/2003 |
| 6510732 | Method for determining the balancer condition of a balanced engine A method and apparatus for determining the balanced condition of an engine having a balancer is provided. An engine balancer tester includes a sensor coupled to the engine. The engine generates first- and second-order vibrations that have vibration levels... | 01/28/2003 |
| 6474283 | Valve lash setting method and device for executing the method A method and a device for setting the valve lash to a desired value at I.C. engines, including application of a motor driven coaxial double spindle (22) on each valve adjusting screw (18) and lock nut (19) followed by a number of consecutive operation ste... | 11/05/2002 |
| 6470739 | Sensor mounting structure and semiconductor pressure sensor for motor vehicles To provide a sensor mounting structure which enables mounting an automotive sensor directly to the wall section of a part to be detected, without using screws, and also mounting a pressure detector directly to a pressure air passage without using a pressu... | 10/29/2002 |
| 6467339 | Method for deploying shroud segments in a turbine engine The invention is a method for allocating shroud or airseal segments among various positions in a turbomachinery case when the segments to be allocated differ in radial dimension or thickness and when the requirement for segment thickness varies around the... | 10/22/2002 |
| 6446497 | Reciprocating machine with operating parameter sensor A reciprocating machine with a friction bearing crank mechanism having a monitoring device monitoring operating parameters of the friction bearings of the crank mechanism via at least one sensor which is in connection with an evaluation device. At least o... | 09/10/2002 |
| 6446615 | Method and arrangement for detecting icing in pumps utilized in the diagnosis of tank leakage in motor vehicles A tank-venting system includes an active charcoal filter (20), which is connected to a tank (10). An intake manifold (40) of an internal combustion engine is connected to a tank-venting valve (30). The active charcoal filter (20) stores fuel vaporized in ... | 09/10/2002 |
| 6367321 | Test method on the strength of ceramic engine-valves and testing device for the same A method for testing the strength of a ceramic engine-valve is provided, in which the strength can be tested without producing unnecessary stress in portions other than the places to be tested and without variations in the applied stress during testing; a... | 04/09/2002 |
| 6327902 | Air filter restriction indicator gauge A low cost air filter restriction indicator gauge for use in conjunction with an internal combustion engine can be achieved by both simplifying individual part configuration and reducing overall part count. More specifically, a simplified design can be ac... | 12/11/2001 |
| 6324902 | Apparatus and method for inspecting phase angle error of camshaft for an internal combustion engine An apparatus for inspecting a phase angle error of a camshaft having a plurality of cams and a first location hole with a predetermined design phase angle with respect to the cams. The apparatus includes a supporter for horizontally supporting the camshaf... | 12/04/2001 |
| 6318164 | Clutch pressure plates/discs testing tool A clutch pressure plates/discs testing tool for testing the clutch pressure plates, discs and springs for proper functioning. The clutch pressure plates/discs testing tool includes a cylindrical member having an open first end, a closed second end, a hole... | 11/20/2001 |
