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| Number | Title | Issue Date |
| 6370935 | On-line self-calibration of mass airflow sensors in reciprocating engines In an internal combustion engine having an exhaust gas recirculation system, a mass airflow (MAF) sensor is disposed at the air inlet to an engine cylinder. For engines with an EGR recirculation path, the sensor is upstream of that path. The MAF sensor pr... | 04/16/2002 |
| 6370936 | Sampling apparatus for exhaust gas A sampling apparatus for exhaust gas is capable of calibrating two flowmeters each other easily and precisely. A diluting air supply passage for diluting the sampled exhaust gas is connected to an upstream side of a diluting tunnel. A first flowmeter for ... | 04/16/2002 |
| 6370937 | Method of canceling quadrature error in an angular rate sensor Disclosed is a method of correcting quadrature error in a dynamically decoupled micro-gyro (100, 200) having a drive mass (110, 210) that is vibrated relative to a drive axis (Y, Z) and a sense mass (111, 211) that responds to the drive mass (110, 210) in... | 04/16/2002 |
| 6370938 | Method and device for determining a quantity describing the height of the center of gravity of a vehicle A quantity describing the wheel rpm is determined for at least one wheel in this method of determining a quantity describing the height of the center of gravity of a vehicle. A quantity describing wheel performance is determined for at least one wheel at ... | 04/16/2002 |
| 6370939 | Apparatus and method for measurement of mass and heat flow changes Provided are a measurement apparatus and a measurement system comprising sample and reference microresonators, such as sample and reference quartz crystal microbalances; sample and reference heat flow sensors; and a heat sink coupled thermally to the heat... | 04/16/2002 |
| 6370940 | Apparatus for determining concentration of a gas Method and apparatus for determining the concentration of an analyte gas using a gas measurement device comprising a gas sensing element having an electrical current output dependent upon concentration of a gas being measured, means for measuring the elec... | 04/16/2002 |
| 6370941 | Gas sensor and gas sensor system The conduit tube 3 and the conduit tube 4 to flow the carrier solution to the gas exchanger 7 are provided, and in the conduit tube 3, the reference pH electrode 14 is provided, and in the conduit tube 4, the measuring pH electrode 16 is provided, both pH... | 04/16/2002 |
| 6370942 | Method for verifying the integrity of a fluid transfer A liquid aspiration method which includes a method for determining the quality of the aspirated sample through mathematical analysis of the pressure profile generated before, during, and after the aspiration process and comparison of the results with pred... | 04/16/2002 |
| 6370943 | Process for monitoring the integrity of hollow fiber filtration modules A process is disclosed for monitoring the integrity of hollow fiber filtration modules and for detecting leaks of treated liquid through a fiber completely or partially broken. It operates continuously and in filtration mode, without production shutdown. ... | 04/16/2002 |
| 6370944 | Fluid leak finder for a vehicle A fluid leak finder device for a vehicle for finding oil leaks preferably in an engine of a vehicle. The fluid leak finder device for a vehicle includes an air-regulating container having top, bottom, and side walls; and also includes a plurality of condu... | 04/16/2002 |
| 6370945 | Leak monitoring system The invention provides a leak detection system comprising a conduit for carrying a fluid or gas and a control device for monitoring leaks in the conduit. The conduit is formed from first and second electrically conductive layers that are electrically insu... | 04/16/2002 |
| 6370946 | High temperature diesel deposit tester A method and apparatus for determining the propensity of fuel materials to leave deposits in compression ignition engines is disclosed. The apparatus consists of a closed chamber fitted with conduits to supply fuel composition, air, and other test fluids ... | 04/16/2002 |
| 6370947 | Substrate surface analysis A method and apparatus for estimating the degree of cleanliness of a substrate surface by measuring the surface wettability, particularly of an inorganic surface used in the manufacturing of electronic components. The wettability of the substrate surface ... | 04/16/2002 |
| 6370948 | Mini-tension tester A compact tension testing apparatus for determining the peel strength of a circuit line or film bonded to a substrate. A force gauge is mounted on an apparatus using low friction air bearings to allow the force gauge to self-align with the peeling locatio... | 04/16/2002 |
| 6370949 | Extreme wind velocity measurement system A wind velocity measurement system employs two different principles of physics to measure wind speed: (1) the aerodynamic force imparted to a low profile, rigidly mounted cylindrical rod, and (2) the vibrating frequency of the rod as vortices are shed fro... | 04/16/2002 |
| 6370950 | Medium flow meter The invention relates to a device for measuring the flow of a medium e.g., a gaseous medium or a fluid medium, which device is based on measuring and affecting the temperature distribution of a medium flowing along, which flow sensor comprises two object,... | 04/16/2002 |
| 6370951 | Method and apparatus for sensing the level of fluid with a container An apparatus for sensing a level of fluid within a container. The apparatus includes a first cantilevered arm having a first float coupled to the container. The apparatus additionally includes a second cantilevered arm having a second float coupled to the... | 04/16/2002 |
| 6370952 | Vehicle oil level monitoring system A vehicle oil level monitoring system for verifying the amount of oil in an engine without requiring the user to access the engine compartment. The vehicle oil level monitoring system includes a vehicle with an engine and a fuel port, a dipstick, a sensor... | 04/16/2002 |
| 6370953 | Method for balancing a cylinder, roll or equivalent part with a thin mantle and balanced cylinder, roll or equivalent part with a thin mantle A method and apparatus is disclosed for balancing a cylinder, roll, or equivalent part, with a thin mantle, by which deviations in the circumferential deflection line of the mantle can be compensated in order to correct for dynamic runout. Errors in the c... | 04/16/2002 |
| 6370954 | Semiconductor integrated inertial sensor with calibration microactuator An inertial sensor having an inner stator and an outer rotor that are electrostatically coupled together by mobile sensor arms and fixed sensor arms. The rotor is connected to a calibration microactuator comprising four sets of actuator elements arranged ... | 04/16/2002 |
| 6370955 | High-temperature balance A high-temperature balance includes a piezoelectric material, such as langasite, that is stable at high temperatures. The frequency response of the balance is monitored to determine the change in mass of material deposited on the balance in a high-tempera... | 04/16/2002 |
| 6370956 | Titanium articles and structures for ultrasonic inspection methods and systems A titanium article for an ultrasonic inspection is provided in which the titanium article can be ultrasonic inspected for determining its acceptability in for microstructurally sensitive applications. The ultrasonic inspection method comprises providing a... | 04/16/2002 |
| 6370957 | Vibration analysis for predictive maintenance of rotating machines A method for determining the operational condition of a rotary machine is disclosed. The method comprises the steps of monitoring the machine under a baseline operating condition and collecting baseline vibrational data. A preselected number of baseline p... | 04/16/2002 |
| 6370958 | Method of measuring the vibration damping capability The vibration damping capability of a test part can be computed by vibrating the test part at different frequencies, and measuring the amplitude of the vibrational wave generated in the test part at each input frequency. The test data can be used to gener... | 04/16/2002 |
| 6370959 | Fuel pressure sensor A fuel pressure sensor 12 which receives air 62 from an intake manifold 58 and fuel 15 from a fuel rail 14 and which uses the received air 62 and fuel 15 to measure the fuel pressure within the fuel rail 14. The fuel pressure sensor 12 further including a... | 04/16/2002 |
| 6370960 | Capacitive sensor A capacitive sensor including a first electrode and a second electrode which are disposed opposite each other in spaced-apart relationship to form a capacitor, the first electrode being disposed on a first substrate and the second electrode on a second su... | 04/16/2002 |
| 6370961 | Nipped roller impression sensor system A nipped roller impression sensor system comprising a first roller having an axis of rotation and a surface and a second roller having an axis of rotation that is substantially parallel to the axis of rotation of the first roller, wherein the second rolle... | 04/16/2002 |
| 6370962 | Dynamic high speed tensile tester A system is provided for determining the tensile characteristics of a sample under dynamic conditions. The system includes an apparatus adapted to accelerate the sample to a desired test velocity and maintain the test velocity through a predetermined test... | 04/16/2002 |
| 6370963 | Ultrasonic transit time flow sensor and method A transit time ultrasonic fluid flow sensor is configured to compensate for circuit related drifts in the flow rate output signal. During acoustic transmission some of the transmitting signal is also routed through the receiving circuits from which a refe... | 04/16/2002 |
| 6370964 | Diagnostic layer and methods for detecting structural integrity of composite and metallic materials A diagnostic layer having a network of actuators and sensors may be incorporated into or on the surface of composite, metallic, and laminated materials for monitoring the structural health of the material. The diagnostic layer is adapted for detecting and... | 04/16/2002 |
| 6370965 | Capacitive sensing array devices A capacitive sensing array device, particularly a fingerprint sensing array device, includes an array of sense electrodes covered by a layer of dielectric material defining a sensing surface over which, for example, a person's finger is placed in use. Gro... | 04/16/2002 |
| 6370966 | Input torque detector for power steering There is provided an input torque detecting device, in power steering, which converts a relative rotation of an input shaft and an output shaft into a movement in a direction of a shaft so as to detect torque. The input shaft 1 and the output shaft 3 are ... | 04/16/2002 |
| 6370967 | Torque sensor with joint means for producing a consistent magnetic effect A torque sensor having an improved detection accuracy is disclosed. The torque sensor includes a cylindrical stator. The stator is arranged to face a magnetostrictive member fixed to a shaft. The stator includes a stator body and two retainer rings. When ... | 04/16/2002 |
| 6370968 | Unconnected capacitor type torque sensor A torque sensor having a simple structure and free from a torque detection error. The torque sensor comprises an elastic member for connecting a first shaft to a second shaft and generating torsion displacement between the first shaft and the second shaft... | 04/16/2002 |
| 6370969 | Inertia-testing method and system In a method of inertia-testing movable machine components, a machine motor is powered to impart constant motion on various components. The power supply to the motor is then cut, causing the moving components of the machine to continue moving, due to inert... | 04/16/2002 |
| 6370970 | Cargo handling machine including force control The present invention aims at improving operability of a cargo handling machine by applying thereto a force control method. According to the force control method, a force sensor detects an anti-gravitational lift force that makes it possible to raise the ... | 04/16/2002 |
| 6370971 | Pulley hub load cell A pulley hub load cell assembled inside a hub opening of a pulley between a rolling element part and a pulley axle. The load cell has a body adapted to be placed inside the rolling element part and having an interior bore for insertion through the pulley ... | 04/16/2002 |
| 6370972 | Chemical sampling sink A chemical sampling sink and method. The chemical sampling sink typically includes an enclosure configured to contain a receptacle, and a chemical supply line extending into the enclosure, the chemical supply line including a dispenser configured to deliv... | 04/16/2002 |
| 6370973 | Device for removing slag samples The invention relates to a probe for removing slag samples from iron- or steel-making plants which has an inlet opening underneath the sample chamber, at least one region of the inlet opening having a small cross section in relation to the sample chamber,... | 04/16/2002 |
| 6370974 | Displacement device, in particular for projectors A displacement device for realizing high-precision displacement, in particular for reduction projectors, includes a housing, a movable element which can move relative to the housing, and a moveable drum. The drum is enveloped by flexible elements, with fi... | 04/16/2002 |
