Driven Element Patents (Class 374/23)
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Patent number: 11598517Abstract: An electronic module group can include an electronic module including a first housing defining a housing cavity; a power supply driving module positioned within the housing cavity; and a first concentric terminal connected in electrical communication with the power supply driving module by a first wire and a second wire; and a second concentric terminal rotatably connected in electrical communication with the first concentric terminal, the second concentric terminal configured to transmit power to the first concentric terminal.Type: GrantFiled: July 29, 2021Date of Patent: March 7, 2023Assignee: LUMIEN ENTERPRISE, INC.Inventor: Haicheng Zhang
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Patent number: 11125735Abstract: A system for evaluating wax deposition includes a temperature controlled environment, a container for holding a fluid, the container being positioned in the temperature controlled environment, a cold body extending into the container, a cooling system connected to the cold body and configured to circulate a coolant through the cold body to cool the cold body, and an agitation system configured to produce relative movement between the cold body and the fluid in the container by moving the container and cold body.Type: GrantFiled: March 30, 2018Date of Patent: September 21, 2021Assignee: ChampionX USA Inc.Inventor: Saugata Gon
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Patent number: 11054396Abstract: Provided are devices, systems and methods for the use of a portable unit for the evaluation of hemostasis. For example, a portable system for determining a plurality of hemostatic parameters may be included. The system includes a blood sample receptacle, an analyzer and a housing. The blood sample receptacle is configured to hold at least one blood sample. The analyzer is configured to determine at least two hemostatic parameters of the at least one blood sample. The housing is configured to operably couple the blood sample receptacle and the analyzer. The housing is portable and may, for example, have a thickness of 17.5 cm or smaller.Type: GrantFiled: May 31, 2016Date of Patent: July 6, 2021Assignee: HEMOSONICS LLCInventors: Francesco Viola, William F. Walker
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Patent number: 9340740Abstract: A method for evaluating thermal plasticity of coals and caking additives includes packing a coal or a caking additive into a vessel to prepare a sample 1; arranging a through-hole material 2 having through-holes from top to bottom surfaces, onto the sample 1; heating the sample 1 at a predetermined heating rate while maintaining a constant volume of or while applying a constant load onto the sample 1 and the through-hole material 2; measuring the permeation distance with which the molten sample has permeated into the through-holes; and evaluating thermal plasticity of the sample using the measured value. Alternatively, a method involves heating the sample 1 at a predetermined heating rate while maintaining the sample 1 and the through-hole material 2 in a constant volume; measuring the pressure of the sample that is transmitted via the through-hole material 2; and evaluating thermal plasticity of the sample using the measured value.Type: GrantFiled: August 31, 2011Date of Patent: May 17, 2016Assignee: JFE STEEL CORPORATIONInventors: Yusuke Dohi, Izumi Shimoyama, Kiyoshi Fukada, Tetsuya Yamamoto, Hiroyuki Sumi
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Publication number: 20020196834Abstract: A glass transition temperature Tg measurement system includes a probe point penetrating into a sample under test that has been heated by a heater to a temperature where the sample undergoes a phase change from a solid to a semisolid. A thermocouple is used to measure the temperature while a motion transducer is used to measure the amount of penetration. The penetration amount sharply increases at the glass transition temperature. A portable unit can be used in the field to test the Tg properties of various composite materials used, for example, in structures including buildings and bridges.Type: ApplicationFiled: June 22, 2001Publication date: December 26, 2002Inventors: Rafael J. Zaldivar, James P. Nokes, Gary F. Hawkins
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Patent number: 6443616Abstract: A device for determining the melting point of a sample material utilizing an infrared sensor to measure the temperature of the sample material and photocells to detect changes in transmissivity of the sample material at its melting point.Type: GrantFiled: May 13, 1999Date of Patent: September 3, 2002Inventor: Gregory R. Brotz
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Patent number: 6425686Abstract: A glass transition temperature Tg measurement system includes a probe point penetrating into a sample under test that has been heated by a heater to a temperature where the sample undergoes a phase change from a solid to a semisolid. A thermocouple is used to measure the temperature while a motion transducer is used to measure the amount of penetration. The penetration amount sharply increases at the glass transition temperature. A portable unit can be used in the field to test the Tg properties of various composite materials used, for example, in structures including buildings and bridges.Type: GrantFiled: June 9, 2000Date of Patent: July 30, 2002Assignee: The Aerospace CorporationInventors: Rafael J. Zaldivar, James P. Nokes, Gary F. Hawkins
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Patent number: 6035706Abstract: A method and apparatus for determining the wax appearance temperature of paraffinic petroleum oils which comprises measuring and plotting the density of the paraffinic oil as a function of temperature at constant pressure, with the wax appearance temperature being indicated by the inflection point of the graph.Type: GrantFiled: May 28, 1997Date of Patent: March 14, 2000Assignee: Petroleo Brasileiro S.A. - PetrobrasInventors: Eugenio Andre Campagnolo, Reinaldo Washington Ferreira Santos, Valter Antonio Monteiro Branco
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Patent number: 5682331Abstract: An object tracking and motion control system includes a thermal marking unit such as a laser for inducing localized thermal indicia on objects. A thermal tracking unit, typically a two dimensional thermal sensing array, is positioned to measure movement of objects marked with localized thermal indicia. A motion control unit is connected to the thermal tracking unit to permit adjustment of motion of objects marked with induced localized thermal indicia based on their measured movement.Type: GrantFiled: January 5, 1996Date of Patent: October 28, 1997Assignee: Xerox CorporationInventor: Andrew A. Berlin
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Patent number: 5651614Abstract: An apparatus and a method for automatic determination of cloud point temperature and pour point temperature of a petroleum fraction. The apparatus is comprised of a receptacle for holding a sample of the petroleum fraction, a light source, a light detector, heaters, coolers and a proximity sensor combined with a motion indicator to determine cloud and pour point temperature. The apparatus has thermocouples to determine the temperature of samples within the container as the sample is heated and cooled. Measurements of light refraction are used to determine cloud point temperature. Detection of the freezing in place of a motion indicator is used to determine pour point temperature. The apparatus is particularly useful for determining the cloud point and pour point temperatures of middle distillate petroleum fuels and the pour point temperature of dark oils and for determining the amount of pour point depressant needed to achieve desired cloud and pour point temperatures in a fuel.Type: GrantFiled: January 20, 1995Date of Patent: July 29, 1997Assignee: BetzDearborn Inc.Inventor: Randy J. Juneau
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Method of checking the gelling process after pouring a reactive resin system into a production mould
Patent number: 5194197Abstract: In a method of checking the gelling process after pouring a reactive resin system into a production mould, the gelling behavior of a resin system is detected by means of calibration measurements and stored. Temperature patterns of the resin system are detected and, for each temperature pattern, the temperature at which the gelling point lies is determined. A scalar value and the gelling moment temperature are associated with each temperature pattern. On carrying out a checking measurement inside a production mould, the temperature patterns at various sites inside the production mould are detected using a large number of thermocouples. Scalar values are obtained from the temperature patterns and are compared with the scalar values established during the calibration measurement in order to establish gelling moment temperatures. The particular advantage of the method described is that the checking measurement of a production mould requires the use only of thermocouples and not of gelling point probes.Type: GrantFiled: June 10, 1991Date of Patent: March 16, 1993Assignee: Ciba-Geigy CorporationInventors: Kurt Munk, Jurg Heizler -
Patent number: 4947679Abstract: The specification discloses a method and apparatus for determining the gel time of thermoset resins by using a disposable vial, a disposable spindle for insertion into the vial, a locking collar releasably secured to the disposable vial for mounting the vial in a permanent sample cup and holding it against rotation with respect thereto, and a spindle adaptor releasably receiving the disposable spindle for mounting same to the spindle mount of a conventional viscometer. The thermoset resin is located in the disposable vial along with the disposable spindle. The permanent sample cup including the disposable vial and its contents is located in a heater and the spindle adaptor is secured to the spindle mount of the viscometer. The viscometer is operated and the gel time is determined as the length of time it takes until the viscosity of the heated resin sample begins to increase sharply.Type: GrantFiled: April 21, 1989Date of Patent: August 14, 1990Assignee: The Dow Chemical CompanyInventors: Robert L. McGee, David J. Nowak, Gordon D. McCann, Frank L. Saunders
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Patent number: 4799378Abstract: A piezoelectric device is used to determine the viscosity of a fluid. A piezoelectric driver is resiliently attached to a base that is isolated from vibrations. A piezoelectric receiver and a probe are resiliently attached to the piezoelectric driver so that the receiver and probe move in response to motion of the piezoelectric driver, and the piezoelectric receiver gives an electric signal out proportional to motion of the system. The entire system is set to operate near the resonant frequency for the receiver/probe. By applying an oscillating sine wave voltage such as 140 hertz, to the piezoelectric driver, and immersing the probe first in a fluid of known high viscosity, and then in a fluid of known low viscosity, calibrated outputs are obtained from the piezoelectric receiver. Next by exchanging a fluid of unknown viscosity for the known fluids, a third output is obtained that represents the unknown viscosity.Type: GrantFiled: July 29, 1987Date of Patent: January 24, 1989Assignee: Alcor, Inc.Inventors: Joseph L. Portman, Jr., David J. Margraf
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Patent number: 4677567Abstract: Process and apparatus are provided for blending a fuel which includes a No. 2 fuel oil component and a No. 1 fuel oil component, with the No. 1 fuel oil component being added to provide a fuel mixture which will not freeze or form solid wax particles above a predetermined temperature. The process includes lowering a temperature of a sample of the No. 2 fuel oil component, detecting a change in wax crystal concentration of the No. 2 fuel oil component sample by detecting a predetermined rate of change in viscosity of the sample or by detecting a predetermined viscosity level of the sample as the temperature thereof is lowered, and measuring a temperature of the No. 2 fuel oil component or bath in which it is cooled, when the change in wax crystal concentration is detected. A percentage amount of the No. 1 fuel oil component to be mixed with the No.Type: GrantFiled: December 21, 1984Date of Patent: June 30, 1987Assignee: Mobil Oil CorporationInventors: Richard W. Grosser, Jay E. Jensen
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Patent number: 4612799Abstract: A method and apparatus for measuring viscosity of an oil at low temperature and low shear stress. It employs a columnar container of the oil with vertically spaced temperature control devices to apply different cooling histories simultaneously. After the cooling histories have been applied, the viscosity of all the different histories is determined by measuring the instantaneous velocity of a probe moving through the column of oil under a constant force.Type: GrantFiled: October 25, 1985Date of Patent: September 23, 1986Assignee: Texaco Inc.Inventors: Frank H. Choi, Samuel W. Rein, David L. Alexander
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Patent number: 4558589Abstract: An ultrasonic coagulation monitor for measurement of prothrombin times and related coagulation times includes at least one piezoelectric crystal operated at a fixed frequency near its resonant frequency. A sample of material to be analyzed is placed in acoustic communication with the crystal. The voltage across the crystal is monitored in order to detect a voltage change, preferably a drop, that occurs upon coagulation of the sample. A timer is included that is turned off at a predetermined voltage drop corresponding to a particular stage of coagulation desired to be timed. In an alternative embodiment of the invention a second crystal is included and is mounted a predetermined distance from the first crystal to define a cavity therebetween. One crystal is driven by the frequency oscillator circuit and the material the coagulation of which is to be measured is placed in the cavity. A voltage sensing device senses the voltage across the second crystal and controls a timer as in the first embodiment.Type: GrantFiled: October 9, 1984Date of Patent: December 17, 1985Assignee: Miles Laboratories, Inc.Inventor: Paul R. Hemmes