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| Number | Title | Issue Date |
| 6601441 | Device and method for verifying the operation of a chassis dynamometer A test device and method for verifying the proper operation of a dynamometer is described. The inventive test device is portable and simple to operate, allowing dynamometer accuracy to be readily tested in the field.... | 08/05/2003 |
| 6601442 | Duty cycle monitoring system for an engine A system and method for monitoring engine performance utilizes a monitoring micro-controller that integrates with an engine/vehicle controller to receive data indicative of the current operating conditions of the engine/vehicle. A duty cycle map is define... | 08/05/2003 |
| 6601443 | Integrated subassembly mountable on the steering column or on the steering wheel of a motor vehicle This invention relates to an integrated sub-assembly for installation of a steering column and/or steering wheel of an automatic vehicle. A plurality of building units arranged in the area of the steering column and/or steering wheel are integrated with e... | 08/05/2003 |
| 6601444 | Exhaust gas characteristic detecting apparatus for internal combustion engine In an internal combustion engine having a double-structure exhaust passage comprised of an inner (bypass) exhaust passage and an outer (main) exhaust passage arranged to surround the outside of the inner exhaust passage such that exhaust gases are dischar... | 08/05/2003 |
| 6601445 | Roller type test stand for testing motor vehicles and/or tires A roller type test stand for motor vehicles and/or wheel/tire combinations including at least one running roller for supporting the wheels, a supporting frame and a drive arranged between the running rollers. The drive is a motor/transmission combination ... | 08/05/2003 |
| 6601446 | Control fixture for a tire bead compression testing machine A control fixture (20) for a tire-bead compression testing apparatus comprising a plurality of radially movable segments and force-sensing instrumentation contained in at least some of these segments. The control fixture (20) comprises a plurality of plun... | 08/05/2003 |
| 6601447 | Acoustic anemometer for simultaneous measurement of three fluid flow vector components An apparatus for measuring a fluid flow velocity vector including a signal generator for generating an oscillating electrical signal, an acoustic transmitter for generating an acoustic signal proportional to the oscillating electrical signal; and at least... | 08/05/2003 |
| 6601448 | Resistive wire mass flow meters The invention concerns a mass flow meter comprising at least a resistive wire (1 or 2) placed in the path of a fluid whereof the flow rate is to be measured, means (30) for applying to the wire current pulses, measuring means for determining the cooling s... | 08/05/2003 |
| 6601449 | Self-regulating bubble tube assembly A self-regulating bubble tube assembly is used for determining the hydrostatic pressure exerted by fluids, such as drilling mud. The bubble tube assembly can be used to determine fluid level based upon said hydrostatic pressure and when bubble tubes are u... | 08/05/2003 |
| 6601450 | Two axis open loop gyroscope A gyroscope having a rotor mounted onto a rotating shaft wherein the rotor has a circular flange extending from and perpendicular to one surface thereof. A suspension member having a flexible flange is affixed concentric with the rotating shaft and the ro... | 08/05/2003 |
| 6601451 | System and method to provide material property measurement using re-entrant ultrasound Presented is a system and method for performing highly sensitive measurement of ultrasonic attenuation in small material volumes. The invention allows the mapping of the variations on the surface of a specimen with a high spatial resolution. An ultrasonic... | 08/05/2003 |
| 6601452 | Semiconductor pressure sensor having rounded corner portion of diaphragm A semiconductor pressure sensor has a recess formed on a semiconductor substrate. The recess has a sidewall, a bottom wall that serves as a diaphragm for detecting a pressure, and a corner portion provided between the sidewall and the bottom wall and havi... | 08/05/2003 |
| 6601453 | Pressure detecting apparatus The present invention provides a pressure detector capable of easily responding to changes in specification. The pressure detector has a sensor unit for detecting pressure and electronic parts for reducing electrical disturbance which are electrically joi... | 08/05/2003 |
| 6601454 | Apparatus for testing jack legs and air drills An apparatus for testing for air and water leakage in jack legs and air drills used to bore holes in rock and ore has an upright beam supporting a weight vertically movable with expansion of the jack leg. A test stand has a plurality of valves operable to... | 08/05/2003 |
| 6601455 | Force transducer with environmental protection A force transducer comprises a housing having a front and rear portions joined together by a platform, which platform is thinner than the housing portions. The platform contains at least one sensor which is operative to provide an output according to the ... | 08/05/2003 |
| 6601456 | Fretting fixture for high-cycle fatigue test machines A fretting fixture accessory for a_test machine (10) that induces high-cycle fatigue (at kilohertz vibration rates) in a specimen of a material under test. The fretting fixture (20) is clamped to the test specimen (21), for the purpose of testing for fret... | 08/05/2003 |
| 6601457 | Textile fabric testing A single fabric testing apparatus is capable of measuring mechanical and thermal characteristics of a specimen previously carried out in separate testing apparatuses. The single apparatus is provided with a plurality of mechanical and temperature sensors ... | 08/05/2003 |
| 6601458 | Distributed sound speed measurements for multiphase flow measurement A multiphase flow meter is presented based on distributed sensors that provide data pertaining to temperature, pressure, phase fraction, speed of sound, and bulk velocity. The data is provided to a model that calculates the multiphase flow rates. The sens... | 08/05/2003 |
| 6601459 | Method of volumetric blood flow measurement Method and apparatus to measure in vitro or in vivo the volumetric flow in blood vessels using a pulsed Doppler instrument which allows assessement of crossectional area and mean velocity for determining the real volumetric flow in the vessel, characteriz... | 08/05/2003 |
| 6601460 | Flowmeter based on pressure drop across parallel geometry using boundary layer flow including Reynolds numbers above the laminar range A flowmeter based on the pressure difference across a flow resistance element which is an array of surfaces generally parallel to the flow direction, which is operated such that over at least part of its range the Reynolds number is larger than the tradit... | 08/05/2003 |
| 6601461 | Multi-phase compensated spinner flow meter A compensated flow measuring system for measuring a multi-phase fluid flow in a well. An impeller intercepts a downhole multi-phase flow. Capacitance and conductivity sensors are mounted in close proximity to the impeller and provide a measure of electric... | 08/05/2003 |
| 6601462 | Capacitive torque sensor and method of detecting torque A dielectric layer 32 variable in dielectric constant in dependence upon the strain is formed on at least a part of an outer peripheral surface of a bar 31 having a circular cross section. Interdigital electrodes are faced to the dielectric layer to there... | 08/05/2003 |
| 6601463 | Device for determining a level of objects in a hopper A device for determining a level of objects in a hopper comprises a hopper for storing and dispensing objects, a pair of sensors positioned within the hopper for sensing one or more of the objects within the hopper, and a processor connected to the pair o... | 08/05/2003 |
| 6601464 | Particle momentum sensor A particle momentum detector has a massive support with a flat surface on which is mounted a piezoelectric member supporting a flat low mass plate resistant to deformation by impinging particles. The low mass plate has a rigidity suppressing multiple mode... | 08/05/2003 |
| 6601465 | Working tool, in particular rammer for soil compaction A working tool, in particular a soil rammer or a hammer, has two masses that may be linearly moved back and forth with respect to one another, namely a top mass which comprises a driving motor and a ramming or striking working mass which can be moved by t... | 08/05/2003 |
| 6601466 | Control arrangement for adjustable housing A control arrangement for an adjustable housing of a radar sensor has a holder on which a position of the housing is changeable by at least one adjusting screw which is turnable by a regulatable adjusting drive, and a control electronic unit provided for ... | 08/05/2003 |
| 6601467 | Multi-stage spur gear transmission A multistage spur-type gearing for small and miniature electric motors having a gearing housing and at least two gear shafts or axles held in the gearing housing, with spur gears of different diameters arranged on the gear shafts or axles. To achieve an e... | 08/05/2003 |
| 6601468 | Drive system for multiple axis robot arm A robot drive assembly for moving a working tool in x, y, z and theta directions comprising three independent, coaxially nested tubes, each tube being driven around a common central axis by drive belts attached to separate drive motors located in a mounti... | 08/05/2003 |
| 6601469 | Shifting device comprising a gearshift lever for an automatic transmission of a motor vehicle A shifting device with a gearshift lever for an automatic transmission of a motor vehicle is provided with an unlocking mechanism for unlocking the gearshift lever with a manual actuating element. The gearshift lever can be moved, in at least one shift ga... | 08/05/2003 |
| 6601470 | Cam mechanism A cam mechanism through which torque applied to an input shaft is converted into the bi-directional rotation and reciprocating axial movement of an output shaft. Two cam elements are utilized, one consisting of a roller gear cam attached to the input shaf... | 08/05/2003 |
| 6601471 | Main block of drop-power station Four similar gravitational sub-systems connected with one another to keep rotational energy substantially constant caused by gravity as a result of the combined interaction between two elements having different groups of gravity masses and different speed... | 08/05/2003 |
| 6601472 | Torsional vibration damper A torsional vibration damper (1) with an adjustable resonance frequency. The damper has a support plate (2) arranged on a rotating shaft (3). A flexural spring arrangement (5) is mounted on the support plate (2) with a fixed inner end (6) and extends radi... | 08/05/2003 |
| 6601473 | Plastic lever assembly for power transmission device A lever assembly includes a lever and a fastener for pivotally mounting the lever to a fixed support member. The lever is composed of a lever body made of a plastic and a reinforcement plate assembled with the plastic lever body. The lever body has a firs... | 08/05/2003 |
| 6601474 | Hydrostatic transmission and power train for vehicle A hydrostatic transmission for vehicle interposed in a drive-power transmission path between a driving power source and a driving axle for non-stepwisely changing the speed of the vehicle includes an HST housing; a hydraulic pump unit having a pump shaft ... | 08/05/2003 |
| 6601475 | Hardfaced drill bit structures and method for making such structures A method is disclosed for forming a drill bit structure to which a cutting element is to be affixed. The method includes applying a layer of hardfacing material to a basic bit structure, removing the layer of hardfacing material in a location to which the... | 08/05/2003 |
| 6601476 | Adaptor device for a wrench An adaptor device comprises an adaptor and a retainer. The adaptor includes a first end removably mounted in a box end of a wrench and a second end releasably engaged with an object such as a socket. The retainer is fixed to the first end of the adaptor a... | 08/05/2003 |
| 6601477 | Wrench adaptor allowing reversible operation An adaptor comprises a housing, a body, a pawl, and a switch member. The housing includes an end for engaging with a socket. The body includes a first end to be engaged in a box end of a wrench and a second end received in a compartment defined in the oth... | 08/05/2003 |
| 6601478 | Extension accessory apparatus and method The invention is an extension accessory provided for extending the effective working range/reach of an electric screw gun by adapting the extension accessory to receive and attach to a screw gun to place the same closer to the work surface. The extension ... | 08/05/2003 |
| 6601479 | Self adjusting locking pliers A hand tool for gripping an article in locking relation generally consisting of a pair of elongated members connected together for pivotal movement about a first axis, providing a pair of jaw portions at one set of ends thereof cooperable to engage the ar... | 08/05/2003 |
| 6601480 | Autofeed screwdriver for screws with flat head bottoms An autofeed screwdriver with a deflecting bar which slides substantially axially relative the driver shaft and deflects the spent strip laterally to one side away from a screw being driven.... | 08/05/2003 |
