Patents Issued in February 18, 2003
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Patent number: 6519982Abstract: A bolt seal protector includes a V-shape or trapezoidal shape set of side and front walls. A set of transverse walls are attached to the side walls in the interior space defined by the side and front walls and include bolt shank receiving apertures. The transverse walls are attached to the side walls by projections. Top and bottom walls may be provided to enhance security. Flanges may be attached to the side walls. The flanges may extend inwardly or outwardly relative to the interior space at the top and bottom side wall edges. The transverse walls are recessed for receiving the bracket of a hasp of a keeper bar assembly which hasp is received between the transverse walls. Slots are provided in the side walls to receive a keeper bar handle and to provide clearance for hasp bracket fasteners and the like. Different thickness walls and flange shapes are provided for a given security need. Different embodiments are disclosed including a tool for use with certain of the embodiments.Type: GrantFiled: October 5, 2001Date of Patent: February 18, 2003Assignee: Trans-Guard Industries, Inc.Inventors: Terrence N. Brammall, Jeffrey Eugene Warner, Rodney Ridenour, William J. Neely
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Patent number: 6519983Abstract: The backhoe lock is a device for locking the forward-reverse lever of a backhoe to the steering wheel. The backhoe lock has a base plate having two parallel rows of posts extending from its top surface, including a group of four posts arranged substantially in a square configuration, and another spaced apart pair of posts aligned linearly with opposing sides of the square. The middle pair of posts are notched. A lock plate has a plurality of holes defined therein in the same configuration as the posts so that the lock plate may slide over the posts. A lock mechanism is installed in the lock plate and controls a catch which engages the notches in the middle pair of posts so that the lock plate cannot be removed from the posts without inserting a key in the lock and rotating the cylinder.Type: GrantFiled: February 5, 2002Date of Patent: February 18, 2003Inventor: Bryan Witchey
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Patent number: 6519984Abstract: A lock for a sliding window, the lock having a lock body, a pivoting handle attached to the lock body, the handle having a projection which extends into the lock body, an actuating lever fixed on the projection such that the actuating lever pivots with the handle, a separate lock tongue which extends from one edge of the window, and which is slidably moveable on the window in an up and down manner between a locked position where the lock tongue engages with a strike, and a free position, biasing means to bias the lock tongue into a naturally locked position, the actuating lever being operatively engageable to the lock tongue such that operation of the handle causes the lock tongue to move to the unlocked position against the bias of the biasing means.Type: GrantFiled: July 3, 2000Date of Patent: February 18, 2003Inventor: Michael Morris
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Patent number: 6519985Abstract: The present invention is a locking device for securing outboard motors and stern drives mounted on a plurality of exposed studs on the stern of a boat, and construction equipment on a plurality of studs inset in concrete or other media and other items which can be mounted. The invention is comprised of a 304 work hardened stainless steel body which has two blind holes connected by a slot. In one blind hole, a keyed lock assembly is fitted. The keyed lock deploys a catch which engages a groove in a stainless steel lock pin. The lock pin can be attached to items having protruding studs or other protuberances.Type: GrantFiled: March 2, 2001Date of Patent: February 18, 2003Inventor: Christopher J. Grant
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Patent number: 6519986Abstract: A locking device, in particular for a vehicle, having a rotary catch (1), which encloses a locking bolt (2) and can be arrested or released by a pawl (7), the pawl (7), via a lever which is connected to a grip via connecting elements, being actuable by the grip, which locking device is distinguished by the fact that the at least one lever is mounted about a fixed pivot (8), at least one grip acting on the lever, which is formed as an actuating lever (17).Type: GrantFiled: September 1, 1999Date of Patent: February 18, 2003Assignee: Mannesmann VDO AGInventor: Herbert Wicker
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Patent number: 6519987Abstract: A motor vehicle door lock system including a vehicle lock adapted to be locked and unlocked, a lock element adapted to be moved between a locked position and an unlocked position for locking and unlocking respectively the vehicle lock, a central interlock drive having a slow running drive element for moving the lock element, a remote control module, control electronics with a passive entry function to at least passively unlock the vehicle lock, and a high-speed electromagnetic drive for rapidly moving the lock element from the locked position to the unlocked position to thereby unlock the vehicle lock quicker than by operating the drive element. The passive unlocking of the vehicle lock occurs over time requiring a reaction phase with a starting interval, an authorization check interval, and an action interval, the starting interval being initiated by an operator.Type: GrantFiled: September 7, 2000Date of Patent: February 18, 2003Assignee: Brose Schliesssysteme GmbHInventor: Bernd Weyerstall
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Patent number: 6519988Abstract: A structure of a lockset is disclosed. The lockset structure includes a key and a lock body, wherein the key and the lock hole of the latch are provided with at least one end corner having a skew face with a corresponding angle. Any key with un-matching angle is prevented from inserting into the lock hole so as to avoid other parties to open the lockset with un-matching keys.Type: GrantFiled: August 24, 2001Date of Patent: February 18, 2003Assignee: One Lus International Co., Ltd.Inventor: Ping-Hua Wu
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Patent number: 6519989Abstract: A lever lock unit includes a housing, a dogging element adapted to actuate a lock bolt, a plurality of lever tumblers that are actuable via the dogging element and movable relative thereto, and a blocking element for blocking movement of the dogging element in the absence of a key or when the wrong key is inserted in the unit. The unit is characterized by a cradle accommodated in the dogging element and adapted to receive the lever tumblers. The dogging element is rotatable and is adapted so that when rotated, the cradle accommodated in the dogging element, and there with also the lever tumblers accomodated in the cradle, will be caused to move linearly in relation to the dogging element and in relation to a key inserted into the unit, for movement of the lever tumblers to a blocking element release position when the correct key is inserted.Type: GrantFiled: March 12, 1999Date of Patent: February 18, 2003Assignee: AB FAS LasfabrikInventor: Jorma Hirvi
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Patent number: 6519990Abstract: A method of controlling a rolling mill comprising at least two mill stands (1,2) arranged after each other, wherein a first stand (1) is arranged upstream of a second stand (2). Each of said stands comprises two spaced rolls (3,4,5,6). An elongated material (8) is fed between the rolls of each stand by rotating the rolls. The width of the material (8) is measured at a location downstream of said second stand (2), and if the measured width is not within predefined first upper and lower limit values, an interstand tension between said first (1) and said second stand (2) is adjusted to a value corresponding to the deviation of the measured width from said predefined limit values in order to control the width of said material (8), to be within said first upper and lower limit values.Type: GrantFiled: March 15, 2001Date of Patent: February 18, 2003Assignee: ABB ABInventors: Mats Olsson, Dag Sollander
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Patent number: 6519991Abstract: A water jet peening apparatus which can carry out an efficient peening work on a large-diameter cylindrical structure by injecting a jet stream which contains air bubbles caused by cavitation at a low angle of incidence is provided. The apparatus is comprised of a nozzle which introduces a high pressure water and injects a water jet stream containing air bubbles caused by cavitation at the cylindrical structure disposed in water, wherein the angle of injection of the jet stream is smaller than 45 degrees relative to a tangent of the cylindrical structure.Type: GrantFiled: April 24, 2002Date of Patent: February 18, 2003Assignees: Hitachi, Ltd., Hitachi Kiso Co., Ltd., Hitachi Ibaraki Business Engineering Co., Ltd., Hitachi Engineering Co., Ltd.Inventors: Katsuhiko Hirano, Kunio Enomoto, Eisaku Hayashi, Sadato Shimizu, Ren Morinaka, Tetsuya Ishikawa, Shigeru Tanaka, Noboru Chiba
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Patent number: 6519992Abstract: A method of operating a metal forming press in which in a rigid press frame a workpiece is preloaded against a tool by means of a hold-down force, with at least one ram tool applying a ram force in parallel with the hold-down force, and closing cylinder forces being applied opposite to the ram force and the hold-down force, and a water chamber die being formed in the tool, whereby water chamber die forces can act on the workpiece, characterized in that the disturbing force resulting from the application of the ram force is determined and compensated by a change in the closing cylinder forces.Type: GrantFiled: March 23, 2001Date of Patent: February 18, 2003Inventor: Konrad Schnupp
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Patent number: 6519993Abstract: A machine for configuring the winding head of a stator for a rotary electrical machine, which includes U-shaped conductors which are inserted axially into axial slots in the stator body, is of the type comprising a support body together with concentric tubular sleeves. The lower axial end part of each sleeve includes gripping means. The gripping means of each sleeve consist of a set of gripping slots, each of which has a right angled profile in circumferential and axial cross section. Each of these slots receives the free end portion of one conductor, so that rotation of a sleeve produces a single bend at the open end of the axial slot for each conductor in the associated layer of conductors in the stator.Type: GrantFiled: May 11, 2001Date of Patent: February 18, 2003Assignee: Valeo Equipements Electriques MoteurInventor: Denis Even
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Patent number: 6519994Abstract: A roll stand with backup rolls and work rolls for rolling sheet and strip in which the upper and lower work rolls, together with the backup rolls associated therewith, can be displaced from the common vertical plane into positions in which the vertical planes passing through the roll axes of the work rolls and backup rolls intersect in that chocks supporting each roll within the housing window are displaced in pairs horizontally in opposite directions. Each pair of rolls formed of the upper and lower backup rolls and work rolls is received by its roll chocks in one of two cassettes extending horizontally into the housing windows located on either side of the roll housing and is guided therein such that it can be vertically and/or horizontally adjusted.Type: GrantFiled: February 28, 2001Date of Patent: February 18, 2003Assignee: SMS Demag AGInventor: Herbert Quambusch
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Patent number: 6519995Abstract: Disclosed is a negative-angle forming die. The die has upper and lower halves. The upper die half has a supporting portion for receiving a sheet metal work, and an intrusion forming portion. The lower die half carries a plate-like cam which can be moved toward the lower die half for forming the work. The die also has a rotary cam, the ends of which terminate in first and second shafts journaled in the lower die half. The die also has a slide cam, which itself has an intrusion forming portion. This portion is slidably opposed to the rotary cam. The die is equipped with a cam follower arm centrally fastened to the supporting shaft. One end of the cam follower arm carries a cam follower in operable relationship with the plate-like cam carried by the upper die half. In operation moving contact between the plate-like cam and the cam follower causes the cam follower arm to rotate. This in turn causes rotation of the rotary cam.Type: GrantFiled: June 7, 2001Date of Patent: February 18, 2003Assignee: Umix Co., Ltd.Inventor: Mitsuo Matsuoka
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Patent number: 6519996Abstract: A pressing-bending machine with a device for detecting the lower and upper cross-members deflection, aimed at interacting with at least one crowning system, essentially made up of means suitable for detecting the elastic deformation on the lower and/or upper cross-member (1, 4) vertical axis recorded during the plate pressing-bending active phase, said means, supplying the machine management logic unit with a higher or lower value respect to an upper cross-member reference value, from this depending the intervention of at least the crowning system, and also in which, said means, being active on both cross-members, comprise a part engaged to the action cross-member and a part, interconnected with the first one, integral with a fixed external cross-member independent from the action cross-member, comprising a means (8) for detecting and communicating the deflection relative to this latter with respect to the fixed external cross-member.Type: GrantFiled: June 26, 2000Date of Patent: February 18, 2003Inventor: Luciano Gasparini
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Patent number: 6519997Abstract: Automatic feeding blind rivet guns and method facilitating rapid installation of blind rivets with good freedom of movement of the operator. The blind rivet guns receive a carrier holding a substantial plurality of blind rivets in close side by side proximity and automatically sequentially loads and sets the blind rivets in response to operator control. The blind rivets are preferably supplied on an inexpensive disposable plastic carrier ready for use with the rivet installation gun. The installation gun itself is pneumatically powered, though other sources of power, such as electrical power, could be used.Type: GrantFiled: March 23, 2001Date of Patent: February 18, 2003Assignee: Allfast Fastening Systems, Inc.Inventors: Ralph Luhm, Magin Puig
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Patent number: 6519998Abstract: A radial press comprises two press yokes and eight crimping members. The yokes are arranged on a plane that is perpendicular to the press axis and are located diametrically opposite the press axis and can be moved towards each other in a straight line by means of a drive unit, whereby the direction of movement is perpendicular to the press axis. At least one part of the crimping members that are disposed in the yokes has slide surfaces that respectively cooperate with a control surface of one of the yokes or an adjacent crimping member in such a way that all of the crimping members can be moved in a uniform manner onto the press axis when the press yokes move closer to each other. Two crimping members arranged perpendicular to the direction of movement of the at least one movable press yoke are divided into two segments.Type: GrantFiled: January 2, 2002Date of Patent: February 18, 2003Assignee: Uniflex-Hydraulik GmbHInventors: Fritz Ertl, Georg Grundmeier
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Patent number: 6519999Abstract: A meter such as a speedometer for use in an automobile instrument panel includes a pointer driven by a stepping motor. A pulse voltage having a wider pulse width is supplied to the stepping motor to obtain a higher induced voltage to be compared with a threshold voltage for detecting the pointer-zero-position. After the pointer-zero-position is detected, the stepping motor is driven by a pulse voltage having a narrower pulse width to obtain a quicker response of the pointer. In this manner, the pointer-zero-position is accurately adjusted without sacrificing the quick response of the meter pointer.Type: GrantFiled: June 21, 2001Date of Patent: February 18, 2003Assignee: Denso CorporationInventors: Takashi Komura, Hideki Asano
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Patent number: 6520000Abstract: A method and device for determining abrasive forces is disclosed. In order to determine the forces, at least two removable and distinguishable layers are applied on top of each other to a substrate or base so as to cover one another. Each layer requires a predetermined abrasive force for penetrating and removing the layer by scraping. The strength or force that is required is smaller the closer to the surface the layer is positioned. When the layers are subjected to abrasive forces, parts of the applied layers are scraped off, starting from the outermost layer and further downwards into the underlying layers. In this manner, one of the layers is exposed at each point, thereby indicating the abrasive force at that point. The exposed surface of each layer may then be identified. The method and device are particularly suitable in car-crash testing in order to assess the abrasive forces arising from airbags.Type: GrantFiled: December 3, 2001Date of Patent: February 18, 2003Assignee: Volvo Car CorporationInventors: Jenny Lidén, Tomas Nilsson, Camilla Palmertz
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Patent number: 6520001Abstract: The present invention relates to a method of determining the relative proportions of gases in a mixture, such that the relative proportions of N gases are determined using N-1 sensors, not all of which are specific to a particular gas. In the preferred embodiment, oxygen and carbon dioxide are measured in the presence of nitrogen by measuring magnetic susceptibility and speed of sound. The described method of gas analysis leads to very fast response times and exceptional stability, making the technology suitable for breath-by-breath analysis of respired air. Notably, the method does not require high-temperature components, electrochemical cells, or consumable components.Type: GrantFiled: March 2, 2001Date of Patent: February 18, 2003Assignee: Life Measurement, Inc.Inventors: Philip Dempster, John Payne
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Patent number: 6520002Abstract: A cell of a recuperator has a passage therein having a first end and a second end. In use a fluid passes through the passage under pressure. The cell must be tested to determine an operational efficiency or leakage within the passage. A pair of sealing mechanisms is positioned at a respective one of the first end and the second end of the passage. A vacuum is pulled across the passage and a rate of leakage is monitored to define an operational cell and a failed cell.Type: GrantFiled: June 14, 2001Date of Patent: February 18, 2003Assignee: Solar Turbines IncInventors: Charles W. Bucey, Bruce D. Harkins, Michael S. Nowak
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Patent number: 6520003Abstract: A leakage detection device is provided for a fluid supply system. The detection device includes control means which can be selectively operated to close a valve and hence prevent further supply. The device includes at least one sensor which senses the flow of fluid through the supply system. Thus the device allows detection of fluid leakage and flow rates and can prevent or limit damage caused by fluid leakage.Type: GrantFiled: October 17, 2000Date of Patent: February 18, 2003Inventor: Alan Fox
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Patent number: 6520004Abstract: This invention concerns a test apparatus and procedure used for quantitative and qualitative characterization of scratch and mar behavior of films or coatings, more particularly automotive coatings. The apparatus includes a micro-indentor that penetrates and scratches the coating to be characterized together with interrelated components for measuring the force applied, the length and depth of the indentor penetration, the geometry of the disturbed coating surface as well as a system for measuring, analyzing and comparing test results.Type: GrantFiled: August 3, 2000Date of Patent: February 18, 2003Assignee: E. I. du Pont de Nemours and CompanyInventor: Li Lin
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Patent number: 6520005Abstract: A profiler or scanning probe microscope may be scanned across a sample surface with a distance between them controlled to allow the sensing tip to contact the surface intermittently in order to find and measure features of interest. The distance is controlled so that when the sensing tip is raised or lowered to touch the sample surface, there is no lateral relative motion between the tip and the sample. This prevents tip damage. Prior knowledge of the height distribution of the sample surface may be provided or measured and used for positioning the sensing tip initially or in controlling the separation to avoid lateral contact between the tip and the sample. The process may also be performed in two parts: a fast find mode to find the features and a subsequent measurement mode to measure the features. A quick step mode may also be performed by choosing steps of lateral relative motion to be smaller than 100 nanometers to reduce probability of tip damage.Type: GrantFiled: May 18, 1999Date of Patent: February 18, 2003Assignee: KLA-Tencor CorporationInventors: Thomas McWaid, Peter Panagas, Steven G. Eaton, Amin Samsavar, William R. Wheeler
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Patent number: 6520006Abstract: A compact, robust, and inexpensive magnetically coupled pressure gauge includes a spiral-faced or helical bellows coupled for rotating a magnetic field source (permanent magnet) within a pressure vessel the orientation of which is externally sensed and correlated to pressure within the pressure vessel. Mechanisms of extraneous magnetic field compensation are discussed Applications contemplated include measuring pressure in pressure vessels and pressure of pneumatic vehicle tires without breaching the integrity of the particular pressurized vessels. Embodiments included a visual, manual tire pressure monitoring system.Type: GrantFiled: August 2, 2001Date of Patent: February 18, 2003Assignee: MLHO, Inc.Inventor: Alan Alexander Burns
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Patent number: 6520007Abstract: The stickiness of cotton is determined by testing a cotton sample at two or more temperatures. Sticky deposits are recorded at a lower temperature, preferably 27° C. or 34° C., to detect the trehalulose-rich honeydews droplets. Then, the sample is subjected to a higher temperature, preferably 54° C., to detect the non trehalulose-rich honeydew droplets and physiological sugars. By comparing the results at these two temperatures, an accurate grading system for cotton may be produced which can help growers and spinners accurately identify different types of cotton and determine processing problems.Type: GrantFiled: January 4, 2001Date of Patent: February 18, 2003Assignee: Texas Tech UniversityInventors: Eric Francois Hequet, Noureddine Abidi
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Patent number: 6520008Abstract: A system for measuring the distance of a hydraulic movement including an engine supplying power, a hydraulic cylinder for supplying hydraulic movement, and a pump coupled to the hydraulic cylinder for providing hydraulic fluid to the hydraulic cylinder. A power take off is coupled to the engine and supplies power from the engine to the pump. A measuring device measures the amount of fluid provide to the hydraulic cylinder by counting engine revolutions enabling a determination of the distance of the movement.Type: GrantFiled: September 19, 2001Date of Patent: February 18, 2003Assignee: Delaware Capital Formation Inc.Inventor: Marcel G. Stragier
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Patent number: 6520009Abstract: An air flow rate measuring apparatus generates a flow rate signal with a nonlinear characteristic from a flow rate detecting unit provided with a heat generating resistor and converts that into a signal with a linear characteristic by a linearizing circuit. Then, the flow rate signal is smoothed by a filter circuit to obtain a signal in which the measurement error due to a flow rate ripple is suppressed. Thereafter, the flow rate signal is again formed into a signal with a nonlinear characteristic by a nonlinear-form converting circuit to suppress resolution lowering due to analog-to-digital conversion.Type: GrantFiled: January 3, 2002Date of Patent: February 18, 2003Assignees: Hitachi, Ltd., Hitachi Car Engineering Co., Ltd.Inventors: Chihiro Kobayashi, Shinya Igarashi
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Patent number: 6520010Abstract: A system for characterizing a liquid comprises a sensor for providing an electrical output signal depending on a characteristic of the liquid, and a processing unit for processing the output signal of the sensor to obtain characterizing data of the liquid. The sensor is made as a single sensor/actuator device and can be connected in a plurality of manners to the processing unit. In at least some of these connecting manners the processing unit is adapted to actuate the sensor/actuator device and to process the output signal of the sensor/actuator device to obtain different characterizing data of the liquid.Type: GrantFiled: August 5, 1999Date of Patent: February 18, 2003Assignee: JohnsonDiversey, Inc.Inventors: Piet Bergveld, Gerardus Rudolph Langereis, Wouter Olthuis
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Patent number: 6520011Abstract: A powder detecting capacitance-type sensor having a protection cover disposed inside of a powder tank so as to cover a sensor body. The protection cover is made of porous material to permit compressed air to communicate from an inner surface to an outer surface of the protection cover. The protection cover is made of half-sinter of e.g. polyethylene. Also, a space, which is enclosed by the protection cover, the cover guide and the sensor body, is in communication with an air inlet. Thus, compressed air can be introduced into the air inlet and blown outside through the protection cover to prevent powder from attaching or depositing on the protection cover.Type: GrantFiled: May 29, 2001Date of Patent: February 18, 2003Assignee: Nihon Parkerizing Co., Ltd.Inventor: Akira Nakamura
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Patent number: 6520012Abstract: A process and device corrects an ascertained unbalance on a rotor (1) that has equidistantly arranged sites along a rotor circumference for an unbalance correction by means of material removal. Correction tools (5,5′) arranged at a fixed distance from each other are provided, and the correction tools (5,5′) can be positioned crosswise to the rotor axis (10) by a movement between the rotor (10) and the correction tools (5,5′) in the tangential direction resulting from the ascertained rotor unbalance. For purposes of material removal, the correction tools (5,5′), are moved, at least in the radial direction between the rotor (10) and the correction tools (5,5′), into the rotor (1) by a movement resulting from the ascertained rotor unbalance. In order to carry out an unbalance correction in one single work step using the simplest possible set-up, just two correction tools (5,5′) are provided.Type: GrantFiled: August 21, 2000Date of Patent: February 18, 2003Assignee: Schenck Rotec GmbHInventor: Harald Schönfeld
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Patent number: 6520013Abstract: A data processing system including a data storage device having data stored on a data storage medium. Within said data processing system, a system electronics is operatively coupled to a sensor and to said data storage device. When the sensor senses a change in gravitational or inertial acceleration of said data processing system, it alerts system electronics to temporarily park a read/write head in a safe position.Type: GrantFiled: October 2, 2000Date of Patent: February 18, 2003Assignee: Apple Computer, Inc.Inventor: Paul James Wehrenberg
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Patent number: 6520014Abstract: In a microsensor with a micro-electromechanical sensor element and an integrated circuit for measuring, calibration and compensation electronics, whereby the sensor is connected electrically to the integrated circuit (IC), the micro-electromechanical sensor element is arranged directly on the integrated circuit with accurate positioning, and is connected with electric conductivity via a circulating soldered joint.Type: GrantFiled: June 2, 2000Date of Patent: February 18, 2003Assignee: Austria Mikro Systeme International AktiengesellschaftInventor: Manfred Brandl
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Patent number: 6520015Abstract: Diapason type gyrometers using a micro-mechanical structure of vibrating beams. The gyrometer includes a micro-machined sensitive element with at least two symmetrically positioned excitation beams on each side of and parallel to a sensitive Oy axis of the gyrometer. The two beams are connected at their ends through at least one transverse element fixed in its central part to the sensitive Oy axis, to a frame through an elastic torsion return element acting in opposition to the rotation of the transverse element about the Oy axis. The elastic return elements are sized such that the variation of their resonant natural frequency in torsion with temperature is similar to the variation of the resonant natural frequency in bending of the beams with temperature. Such a device may find particular application in the measurement of the angular velocity of a mobile.Type: GrantFiled: May 24, 2001Date of Patent: February 18, 2003Assignee: Thales Avionics S.A.Inventors: Hélène Wehbe Alause, Fabien Formosa
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Patent number: 6520017Abstract: A micromechanical angular-acceleration sensor having a substrate, which has an anchoring device provided on the substrate. The sensor has a ring-shaped inertial mass joined to the anchoring device by a torsion-spring device such that the anchoring device is essentially located in the center of the ring. The ring-shaped inertial mass can then be elastically displaced from its resting position, about at least one rotational axis, by the angular acceleration to be detected. The sensor has a displaceable, first capacitor-plate device attached to the ring-shaped inertial mass, and a stationary, second capacitor-plate device attached to the substrate. The first and the second capacitor-plate devices are designed as a differential-capacitor device for detecting one of the parameters indicating the angular acceleration about the rotational axis.Type: GrantFiled: August 11, 2000Date of Patent: February 18, 2003Assignee: Robert Bosch GmbHInventors: Martin Schoefthaler, Harald Emmerich
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Patent number: 6520018Abstract: An ultrasonic testing method to evaluate the structural integrity of lead-acid batteries terminal posts including the steps of transmitting ultrasonic waves from a transducer through the body of the lead-acid battery posts, detecting the internal defects in the terminal posts by a reflected echo from the internal defect, and deciding to reject or to accept a lead-acid battery by comparing and analyzing, through hardware and software, the transmitted and reflected ultrasonic waves of the bad terminal posts against the reference of transmitted and reflected ultrasonic signal of a good terminal post. The internal defects detected by this method are pores, flaws, and cracks.Type: GrantFiled: November 17, 2000Date of Patent: February 18, 2003Assignee: Enertec Mexico, S.r.l. de C.V.Inventor: Ricardo Flores-Lira
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Patent number: 6520019Abstract: The invention relates to an Ultrasound Sensor, especially for a vehicle and the passenger compartment thereof, comprising a can-shaped housing, a housing base, a housing closure and a sensor element arranged at the base inside the housing, and in the area of the housing closure there is arranged a contact device which is attachable, in locally fixed fashion, inside housing; the contact device presenting, in the direction of the longitudinal axis, a penetrating recess and being connected, in electrically conductive fashion, in at least one contact point with at least one electrode of the sensor element by means of thick-stranded wire. The invention also relates to a method for producing the Ultrasound Sensor.Type: GrantFiled: January 19, 2001Date of Patent: February 18, 2003Assignee: TRW Automotive Electronics & Components GmbH & Co. KGInventors: Uwe Schön, Cornelius Peter, Frank Hacke
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Patent number: 6520020Abstract: A pressure sensor integrally formed in the shape of a beam around a central channel. The beam has an integral blind end that is pressurized by the fluid. The beam has an opposite end that is shaped to provide a stepped corner with a gap opening at the base of the stepped corner, where the gap and isolated from the fluid. A sensing film in the channel adjacent the blind end has an electrical parameter that varies with pressure and electrical leads that extend from the channel and out the gap. A seal fills the gap around the leads and the seal fills a portion of the stepped corner. The sensor is preferably formed by direct bonding of single crystal alumina layers. Applications include industrial pressure transmitters, aerospace and turbine engine pressure sensing.Type: GrantFiled: January 6, 2000Date of Patent: February 18, 2003Assignee: Rosemount Inc.Inventors: Mark A. Lutz, Roger Frick, Fred C. Sittler, Adrian C. Toy
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Patent number: 6520021Abstract: A connector is formed to connect with the outlet of a humidification chamber. A calibrated tube extends through the connector to be retained in use in at least a substantially vertical direction. A bias flow outlet also extends through the connector. In use the connector of the measuring device is fitted to the outer port of a humidification water chamber with the calibrated tube extending into the reservoir of water within the chamber. With an air supply to the chamber activated the subsequent water level in the tube indicates the operating pressure of the blower under a flow condition simulating losses through leakage in the breathing circuit and at the patient connection.Type: GrantFiled: July 20, 2000Date of Patent: February 18, 2003Assignee: Fisher & Paykel LimitedInventors: David Wixey, Yann Ren Breton, Patrick Sean McSweeny
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Patent number: 6520022Abstract: In the representative embodiments described in the specification, a direct connect pressure tester arrangement has a saddle which is clamped to a pipe which may contain fluid under pressure and has a drill guide with an opening extending perpendicular to the wall of the pipe, along with a resilient member held against the outer wall of the pipe. A crosspipe is attached to a bushing mounted in the saddle and a valve is attached to the crosspipe in axial alignment with the bushing with a drill supported in axial alignment on the other side of the valve. A pressure gauge is mounted in a perpendicular passage of the crosspipe and a drain valve is attached to the cross pipe in axial alignment with the pressure gauge. After the pressure tester has been mounted on the pipe to be tested, the valve adjacent to the drill bit is turned to the open position and the drill bit is moved through the valve and the drill guide and operated to drill a hole in the pipe.Type: GrantFiled: November 8, 2000Date of Patent: February 18, 2003Assignee: The Reliable Automatic Sprinkler Co., Inc.Inventors: Edward Anderson, Harmohindra Bhandal, Roger Miller
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Patent number: 6520023Abstract: A load detection structure in a vehicle seat with a support leg member, which includes a block member of rigid yet resilient recovery property and a strain gauge attached thereon. The block member is interposed between the seat and support leg member, such that a securing portion thereof is secured to the seat, whereas a pivotal end portion thereof is rotatably pivoted to the support leg member. The securing portion is displaced in a vertical direction due to a vertical load applied to the seat, while the pivotal end portion is rotated, so as to cause deflection in the block member, which is detected by the strain gauge. It may be so arranged that the block member is rotatable about its central axis, thereby being prevented against twist due to a lateral load applied to the seat. An auxiliary linkage is provided to insure preventing such twist of block member.Type: GrantFiled: November 7, 2001Date of Patent: February 18, 2003Assignee: Tachi-s Co., Ltd.Inventor: Toshimitsu Kimura
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Patent number: 6520024Abstract: A crack-type fatigue detecting sensor comprises: a foil substrate having a first surface and a second surface fixed to a member to be tested; and a foil fracture piece having a slit formed in a central portion between opposite end portions in a longitudinal direction thereof such that the slit extends from one side portion toward the other side portion in a width direction thereof perpendicular to the longitudinal direction, wherein the opposite end portions of the fracture piece are respectively fixed to the first surface of the substrate and a portion including the central portion having the slit has a thickness smaller than a thickness of the opposite end portions over a whole width.Type: GrantFiled: March 30, 2001Date of Patent: February 18, 2003Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Kanta Nihei, Tomohei Kobayashi, Hideo Ono, Shigeki Koe, Akio Murakami, Goro Nishiyama, Yoshinori Dake
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Patent number: 6520025Abstract: A pointing bar fatigue testing apparatus for fatigue testing upon various shapes of pointing bars includes a power source, a force feeding device and a pointing bar seat. The power source includes a motor and a rotation spindle extending upwardly. The force feeding device includes a flat board engaged with and rotationally driven by the spindle, a slide bar having a center bore and two ends engageable with two border flanges located at two ends of the flat board and a spring engaged with one end of the slide bar for exerting force on the center bore. The pointing bar seat is located above the force feeding device. When performing pointing bar fatigue testing, the pointing bar has one end fixed on the pointing bar seat and another end engaged with the center bore to receive a spring force through the center bore while the force feeding device is rotated by the power source.Type: GrantFiled: April 28, 2000Date of Patent: February 18, 2003Assignee: Darfon Electronics Corp.Inventor: Chia-Hung Liu
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Patent number: 6520026Abstract: A method for making and testing the thermal compression bond between a wire and a contact or terminal lead of a connector wherein the wire and contact/terminal lead are positioned between opposing electrodes, and a direct current is passed through the electrodes, wire and contact/terminal lead to make a direct attach thermocompression bond. Sample bonds are subjected to a peel test to determine if the thermocompression bonds are within specification. The peel test includes securing the contact/terminal lead, bend the wire 90 degrees from the contact/terminal lead, and applying force to the wire at a constant rate of pull until thermocompression bond is broken and the wire is separated from the contact/terminal lead. The peel force required to break the bond is then compared to a standard to determine if the thermocompression bonds are within determined specifications. Additionally, an axial pull test may also be performed.Type: GrantFiled: November 3, 1999Date of Patent: February 18, 2003Assignee: International Business Machines CorporationInventors: Lynda L. Anderson, Gilles Granier, Robert E. Mahoney, Jr., Bruce E. Moore, Kenneth A. Scea, Kent D. Waddell
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Patent number: 6520027Abstract: An ultrasonic flowmeter includes a fluid duct including therein first and second flow-paths separated by a partition and an ultrasonic sensor provided at one end of the fluid duct. A reflecting plate provided at the other end of the fluid duct reflects ultrasonic waves generated by the ultrasonic sensor and reaching the reflecting plate through the first and second flow-paths, and returns the ultrasonic waves to the ultrasonic sensor through the second and first flow-paths, respectively, which are different from the first and second flow-paths, respectively, through which the ultrasonic waves have reached the reflecting plate. The ultrasonic flowmeter also includes first and second connecting flow-paths communicating with the first flow-path at the vicinity of one end and the other end, respectively, of the fluid duct.Type: GrantFiled: July 10, 2000Date of Patent: February 18, 2003Assignee: Murata Manufacturing Co., LTDInventor: Chitaka Ochiai
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Patent number: 6520028Abstract: Apparatus for and a method of operating a mass flowmeter having a first embodiment that uses gyroscopic forces to determine material flow information for a material flow. The interior of the flow tube defines a helix element that imparts a rotation to the material flow within the flow tube. Driver induced transverse flow tube vibrations and the rotation imparted to the material flow together generate cyclic gyroscopic forces within the flow tube. The magnitude of the flow tube deflection from the gyroscopic forces is related to the magnitude of the material flow and is measured to determine material flow information. A second embodiment of the flowmeter detect the Coriolis forces on the vibrating flow tube and generates material flow information from the detected Coriolis forces. The Coriolis based flow information and the gyroscopic based flow information are both applied to meter electronics which uses the two sets of Information for comparison and error checking and other purposes.Type: GrantFiled: November 28, 2000Date of Patent: February 18, 2003Assignee: Micro Motion, Inc.Inventors: Craig Brainerd Van Cleve, Roger Scott Loving
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Patent number: 6520029Abstract: The invention relates to a device and a procedure for measuring the flow of a gas or gas mixture in a flow channel (7), said device comprising a frame (10), which comprises measuring space (8), a measuring duct (6), which is mounted on the frame between the flow channel and the measuring space and which is open at both ends (2, 9) to pass the pressure wave generated by the flow from the measuring duct into the measuring space, and a measuring element (1) mounted on the frame and used to measure the pressure wave, said measuring element being disposed near the second end (9) of the measuring duct.Type: GrantFiled: May 10, 2000Date of Patent: February 18, 2003Assignee: Valtion Teknillinen TutkimuskeskusInventor: Johannes Roine
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Patent number: 6520030Abstract: A high-resolution pressure-sensing device is disclosed. The device includes an insulating flexible matrix having a plurality of filler particles. Application of a force to the matrix causes compression of the matrix. This results in the filler particles occupying a greater amount of space within the matrix relative to when no force is applied. A detector attached to the matrix detects or measures the volume of the filler particles relative to the volume of the matrix, and therefore determines the force applied to the matrix. Preferably, the resistivity of the matrix is inversely proportional to the volume percent of the filler particles, in which case the detector is a resistance-measuring circuit.Type: GrantFiled: March 21, 2000Date of Patent: February 18, 2003Assignee: Micron Technology, Inc.Inventors: Tongbi Jiang, Zhiqiang Wu
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Patent number: 6520031Abstract: A non contacting angular differential displacement torque sensor utilizes a split shaft with a connecting torsion bar with a pair of receive disks each with an intervening coupler disk carrying a conductive attenuating pattern where the inductive coupling between transmit and receive disks is individually attenuated in accordance with the angular position of the shaft on which the disks are mounted. The pair of receive disks which receive signals from a common transmitter have their angular difference taken and this is the actual torque on the shaft.Type: GrantFiled: August 22, 2001Date of Patent: February 18, 2003Assignee: BEI Sensors & Systems Company, Inc.Inventors: Asad M. Madni, Jim B. Vuong, Robert K. Hansen
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Patent number: 6520032Abstract: Apparatus (10) includes first and second members (20, 22) that are connected to each other and pivotable relative to each other about an axis (46). A spring (120) biases the first member (20) to pivot in a first rotational direction relative to the second member (22). A seat belt (14) engages the first member (20) and urges the first member to pivot against the bias of the spring (120) in a second rotational direction as tension in the seat belt increases. The relative angular position of the first and second members (20, 22) changes in proportion to the amount of tension on the seat belt. The apparatus (10) also includes a sensor (24) for measuring the angular position of the first member (20) relative to the second member (22) and providing a signal corresponding to the angular position. The signal is proportional to the amount of tension in the seat belt (14).Type: GrantFiled: March 27, 2001Date of Patent: February 18, 2003Assignee: TRW Vehicle Safety Systems Inc.Inventors: Robert E. Resh, William J. Fleming