By Thermal Measurement Patents (Class 73/61.46)
  • Patent number: 10694893
    Abstract: A system for measuring frying oil acid value and providing frying oil acid value information in real time according to the present invention includes a fryer provided in a branch shop, configured to cook fried food, and having a function of measuring TPM value of frying oil, a POS terminal configured to manage frying oil information and customer information including phone numbers of customers of the branch shop, an integration server configured to collect and analyze the frying oil information and the customer information, and a customer terminal configured to make an order of the fried food via a communication with the POS terminal or the integration server. According to the present invention, a sanitary dining environment can be provided since shops cannot arbitrarily reuse frying oil, and a brand image can be improved by providing a real-time information service to customers.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: June 30, 2020
    Inventor: Jung Geun Park
  • Patent number: 10620077
    Abstract: A technique for detecting spills is disclosed. A number of electrodes within a portion of a surface are connected to a resistance meter. The resistance meter detects a spill by measuring a change in resistance between two or more electrodes when a fluid is spilled over the two or more of the electrodes. The location of the spill can also be determined based on a known location for each of the electrodes. The size of the spill can further be determined based on a number of electrodes which measured a change in resistance due to the spilled fluid.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: April 14, 2020
    Assignee: Walmart Apollo, LLC
    Inventors: Steven Jackson Lewis, Matthew Dwain Biermann, Kevin Matthew Charles
  • Patent number: 10302001
    Abstract: A method of adjusting and displaying urea solution level measurement value may include measuring urea solution concentration injected into a urea solution tank by a urea solution quality sensor, determining whether unclean urea solution is injected into the urea solution tank by the measured urea solution concentration, adjusting urea solution level value according to the urea solution concentration when the unclean urea solution is injected into the urea solution tank, comparing urea solution level measurement value with reference urea solution level measurement value, and lighting up a warning lamp when the urea solution level measurement value is lower than the reference urea solution level measurement value.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: May 28, 2019
    Assignee: Hyundai Motor Company
    Inventors: Jae Yoon Jung, Oheun Kwon
  • Patent number: 10267203
    Abstract: An aftertreatment system comprises a reductant storage tank and a SCR system fluidly coupled thereto. A reductant physical level sensor and a tank temperature sensor are operatively coupled to the reductant storage tank. A controller is communicatively coupled with each of the sensors and configured to: interpret a first level output value from the physical level sensor and a first temperature output value from the tank temperature sensor. If the first level output value is below a first threshold, the controller determines if the first temperature output value is below a second threshold. If the first level output value is below the first threshold and the first temperature output value is below the second threshold, the controller determines a virtual reductant level in the reductant storage tank and indicates the virtual reductant level in lieu of a physical reductant level in the reductant storage tank to a user.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: April 23, 2019
    Assignee: Cummins Emission Solutions Inc.
    Inventors: Nassim Khaled, Bryce R. Larson, Sarang S. Sonawane, Tushar H. Sharma
  • Patent number: 10101313
    Abstract: This application relates to a method and a system for determining aging of a liquid. The method includes steps for measuring a relative water content (rS1) of the liquid in a first measurement step at a first temperature (T1), measuring the relative water content (rS2) at a second temperature (T2) in a second measurement step, the first and second measurement step are performed such that absolute water content (w) stays essentially unchanged between these two measurements, and based on these at least two measurement values (rS1, T1, rS2, T2), determining a first water in oil solubility coefficient (B) for the liquid. In accordance with the invention the first water in oil solubility coefficient (B) is monitored essentially continuously in order to determine the liquid quality.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: October 16, 2018
    Assignee: IntellPower Pty Ltd.
    Inventor: Oleg Roizman
  • Patent number: 9670818
    Abstract: A reductant dosing system is disclosed as having a pump, and suction, discharge, and return passages. The system may also have a return valve, an air passage, and an air valve. The system may additionally have an air passage pressure sensor, a discharge passage pressure sensor, and a controller. The controller may be configured to calculate a first average pressure inside the discharge passage while the pump is off, the air valve is open, and the return valve is closed; and calculate a second average pressure inside the discharge passage while the pump is off, the air valve is open, and the return valve is open. The controller may also be configured to determine a pressure drop inside the discharge passage based on the first and second average pressures, and to determine that priming is successful based on the pressure drop and pressures of the discharge and air passages.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: June 6, 2017
    Assignee: Caterpillar Inc.
    Inventors: James Harris Mutti, Jr., Shivsinh Hitendrasinh Parmar, Satya Ramakrishna Manda Venkata Naga, Purna Chander Nalla
  • Patent number: 9664083
    Abstract: An aftertreatment system comprises a reductant storage tank and a SCR system fluidly coupled thereto. A reductant physical level sensor and a tank temperature sensor are operatively coupled to the reductant storage tank. A controller is communicatively coupled with each of the sensors and configured to: interpret a first level output value from the physical level sensor and a first temperature output value from the tank temperature sensor. If the first level output value is below a first threshold, the controller determines if the first temperature output value is below a second threshold. If the first level output value is below the first threshold and the first temperature output value is below the second threshold, the controller determines a virtual reductant level in the reductant storage tank and indicates the virtual reductant level in lieu of a physical reductant level in the reductant storage tank to a user.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: May 30, 2017
    Assignee: CUMMINS EMISSION SOLUTIONS INC.
    Inventors: Nassim Khaled, Bryce R. Larson, Sarang S. Sonawane, Tushar H. Sharma
  • Patent number: 9606260
    Abstract: A method for monitoring oil based mud filtrate contamination is provided including steps of analytically dividing a fluid stream into two parts, determining a gas/oil ratio for a native fluid determining an apparent gas/oil ratio for the contaminated fluid and determining on a volume fraction, an oil based contamination level based upon the gas/oil ratio for the native fluid and the apparent gas/oil ratio for the contaminated fluid.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: March 28, 2017
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Youxiang Zuo, Adriaan Gisolf, Anthony Smits, Oliver C. Mullins
  • Patent number: 9335199
    Abstract: A device for storing or supplying an operating fluid includes a tank with an interior space and a protrusion which protrudes into the interior space and has a circumferential surface. At least one electrode for determining a filling level is disposed radially, running around the circumferential surface. Methods for mounting such a device and for monitoring a reserve filling level as well as a motor vehicle are also provided.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: May 10, 2016
    Assignee: EMITEC Gesellschaft fuer Emissionstechnologie mbH
    Inventors: Jan Hodgson, Sven Schepers
  • Patent number: 9238987
    Abstract: The invention concerns a method and a device for testing the function capacity of an NO oxidation catalyst (5) which is used to reduce nitrous oxides (NOx) contained in the exhaust gas flow of an internal combustion engine (1) operated with air surplus. In the exhaust gas flow which is supplied to the NO oxidation catalyst (5), a change is made in the concentration of a reducing agent and the resulting change in NOx concentration in the exhaust gas flow within the NO oxidation catalyst (5) and/or downstream after the NO oxidation catalyst (5) is determined and used to test its function capacity.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: January 19, 2016
    Assignee: MAN TRUCK & BUS AG
    Inventor: Andreas Doering
  • Publication number: 20150090012
    Abstract: The safety and proper performance of jet aircraft engines requires that any contamination of jet fuel, for example by water or by improper contaminants, be filtered (removed) before delivery of the fuel, through hoses, to the fuel tanks of the aircraft. Coalescing devices and filters in the fuel delivery system are used to attain this result. A typical problem is that filter materials chemically react with surfactants, and this causes the filter subsequently to “disarm” or fail to perform its function of removing water, which can lead to delivery of fuel containing excessive water. A solution to this problem is to pre-test the fuel for such surfactants by feeding a small fuel sample that has been mixed with “challenge water” through a smaller ‘representative’ test filter and monitor the performance. Using a fluorescent dye in the “challenge water,” the amount of water that passes the test filter is detected, compared with a baseline data and fuel quality determination is made.
    Type: Application
    Filed: September 29, 2014
    Publication date: April 2, 2015
    Applicant: D-2, INC.
    Inventor: Alan James Fougere
  • Patent number: 8656770
    Abstract: A method of measuring multiphase flow of components in a wellbore fluid mixture by selectively heating components (e.g. oil and water) in the flow with electromagnetic energy, and detecting the heated components at a known distance downstream. The flow and velocity of components in the flow stream can be estimated with the present method. Example types of electromagnetic waves include infrared, microwaves, and radio waves. The different components can be heated simultaneously or at different times. The heated components can be detected with one or more temperature probes, and oil wet or water wet probes can be used to improve thermal contact to the corresponding components in the fluid stream.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: February 25, 2014
    Assignee: Baker Hughes Incorporated
    Inventor: Rocco DiFoggio
  • Publication number: 20140020453
    Abstract: An apparatus for measuring the mass fractions of water and oil in a flowing mixture of oil and water through a pipe includes a sensor portion that measures sound velocity and temperature of the flowing oil water mixture at a first time and at a second time. The apparatus includes a temperature changer in thermal communication with the flowing fluid which changes the temperature of the flowing oil water mixture by a measurable amount between the first time and the second time. A method for measuring water mass fraction in a flowing mixture of oil and water through a pipe includes the steps of measuring sound velocity and temperature of the flowing oil water mixture at a first time with a sensor portion. There is the step of changing the temperature of the flowing oil water mixture by a measurable amount with a temperature changer in thermal communication with the flowing fluid.
    Type: Application
    Filed: September 5, 2013
    Publication date: January 23, 2014
    Inventors: Herbert Estrada, Calvin R. Hastings
  • Publication number: 20140020452
    Abstract: A fuel property sensor has an external electrode, an internal electrode, a temperature detecting device, a holder portion, a sealing portion, and a calculation unit. The external electrode includes a passage portion and a projecting portion. The internal electrode is disposed in the passage portion of the external electrode at a predetermined distance from an inner wall of the passage portion and the internal electrode. The temperature detecting device detects a fuel temperature. The holder portion is disposed in the projecting portion of the external electrode and holds the temperature detecting device therein, and the holder portion and the projecting portion define a transfer passage. The sealing portion insulates the external electrode and the holder portion from each other, and prevents fuel flowing in the transfer passage from leaking outside. The calculation unit calculates fuel properties and electrical characteristics of fuel flowing between the external electrode and the internal electrode.
    Type: Application
    Filed: June 12, 2013
    Publication date: January 23, 2014
    Inventors: Masato UENO, Hiroshi NAKAMURA, Tatsuya KITANAKA, Dai OSADA
  • Publication number: 20130263650
    Abstract: The present invention relates to a method for determining the composition of medical liquids with regard to their fraction of electrolytes and non-electrolytes, comprising the steps of: determining at least one first physical parameter of the medical liquid for unambiguously determining the fraction of non-electrolytes in the medical liquid; simultaneously determining at least a second physical parameter of the medical liquid for determining the fraction of electrolytes in the medical liquid; and determining the fraction of electrolytes and non-electrolytes in the medical liquid based on the first and second physical parameter.
    Type: Application
    Filed: March 29, 2013
    Publication date: October 10, 2013
    Inventors: Volker NIER, Andreas WUEPPER
  • Publication number: 20130167622
    Abstract: An apparatus (100) for measuring quality of a urea solution is operated with at least a portion of the apparatus inserted into the urea solution. The apparatus (100) includes a configuration of sensors (180, 190, 200) for measuring mechanical and electrical properties within a volume of the urea solution, the measurements of mechanical and electrical properties being mutually differently influenced by components present in the urea solution. A data processing arrangement (230) of the apparatus (100) is operable to process the measurements of mechanical and electrical properties for generating output data (120) indicative of a quality of the urea solution. The apparatus (100) is also capable of being adapted to measure qualities of other types of solution.
    Type: Application
    Filed: December 21, 2010
    Publication date: July 4, 2013
    Applicant: WEMA SYSTEM
    Inventor: Bjørn Frivik
  • Patent number: 8408050
    Abstract: The flow of a fluid of unknown composition is measured by leading the fluid over a first temperature sensor, a heater and a second temperature sensor. The temperature difference DTP between the temperature sensors is measured, as well as the temperature T of at least one of them. In addition, calibration data is used to store the temperature Tref of a known reference fluid. The offset T?Tref at a given temperature difference DTP is a direct measure of the composition of the fluid and allows to retrieve any parameter depending on the same.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: April 2, 2013
    Assignee: Sensirion AG
    Inventors: Felix Mayer, Mark Hornung, Samuel Wehrli
  • Publication number: 20130020263
    Abstract: A method in a separation system (31) comprising parallel fluid paths (F1?,F2?, . . . Fn?) each comprising a separation module (M1?,M2?, . . . Mn?). According to the invention said method comprises the steps of: providing a sensor (S1,S2, . . . Sn) of the same type in at least each of said parallel fluid paths except one; measuring a characteristic fluid property with at least one of said sensors in the parallel fluid paths; possibly measuring the same characteristic fluid property with a system sensor (45) positioned in the outlet of the separation system (31); and comparing measured characteristic fluid properties to evaluate and/or qualify the performance of the separation system.
    Type: Application
    Filed: March 30, 2011
    Publication date: January 24, 2013
    Applicant: GE HEALTHCARE BIO-SCIENCES AB
    Inventor: Klaus Gebauer
  • Patent number: 8250937
    Abstract: Manifold and probe assembly for use a bioprocessing vessel. The manifold has a chamber which communicates with the interior of the vessel and a plurality of ports which communicate with the chamber. Elongated sensing probes are threadedly connected to the ports with end portions of the probes extending into the chamber. Gaskets having generally annular bodies with conically inclined beveled faces are mounted on the end portions of the probes, with the beveled faces engaging conically inclined surfaces of seats in the ports and the gaskets being axially compressed and radially expanded into sealing engagement with the probes. The seating surfaces have inner and outer sections with different angles of inclination which produce greater radial expansion and tighter sealing with the probes.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: August 28, 2012
    Assignee: ASEPCO
    Inventor: William H. Wynn
  • Publication number: 20120210775
    Abstract: A detector for detecting the presence of a liquid comprising a probe sensitive to the presence of the liquid on contact with it, and a casing surrounding the probe comprising: a) an opening for receiving the liquid in the casing; b) an inlet distinct from the opening for the admission of a test liquid into the casing in contact with the probe, the placing of the test liquid in contact with the probe in the casing causing the presence of the test liquid to be detected if the probe operates correctly and causing no detection in the contrary case; and c) an outlet for the discharge of a portion of the test liquid from the casing after the test liquid has been placed in contact with the probe, the discharge being sufficient for the probe to no longer detect the test liquid remaining in the casing.
    Type: Application
    Filed: February 16, 2012
    Publication date: August 23, 2012
    Applicant: ELECTRICITE DE FRANCE
    Inventor: Pierre Langry
  • Publication number: 20110299072
    Abstract: To provide a mercury measuring apparatus of a closed system capable of performing automatically a process ranging from collection to injection of the sample composed mainly of hydrocarbon, which is effective to accomplish a highly reliable measurement. The mercury measuring apparatus 100 includes a column 1 filled with a first adsorbent 11 and a reducing agent 13, an injecting unit 3 for injecting a sample into the column 1, a first heating unit 12, a second heating unit, a mercury collecting tube 18 filled with a second adsorbent 17, a third heating unit 19, a mercury measuring unit 2, gas flow passages FP1, FP2 and FP4, flow switching valves V1 to V3, V5 and V6 for selecting one of the gas flow passages FP1, FP2 and FP4, and a control unit 4.
    Type: Application
    Filed: August 19, 2008
    Publication date: December 8, 2011
    Applicant: NIPPON INSTRUMENTS CORPORATION
    Inventors: Yasuyuki Yamada, Munehiro Hoshino
  • Patent number: 8017080
    Abstract: A liquid state detecting apparatus including a detecting element having a heating resistor which generates heat when energized and being disposed in a liquid container for containing a liquid, the apparatus calculating a first difference between a first corresponding value corresponding to a first resistance of the heating resistor acquired after energization of the heating resistor is started and a second corresponding value corresponding to a second resistance of the heating resistor acquired after the heating resistor is energized for a predetermined detection time and obtaining a first concentration of a particular component included in the liquid, the first concentration being associated with the first difference, the apparatus including: an abnormality determination unit, a determination concentration acquiring unit, a concentration difference calculation unit, and a static state determination unit, all as defined herein.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: September 13, 2011
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Takeo Sasanuma, Yoshikuni Sato
  • Publication number: 20100319436
    Abstract: A test sensor includes a body, a first conductive trace, a second conductive trace, and a third conductive trace. The body includes a first region that has a fluid-receiving area, a second region separate from the first region, and a first temperature sensing interface disposed at or adjacent to the fluid-receiving area. The fluid-receiving area receives a sample. The first trace is disposed on the body, and at least a portion of the first trace is disposed in the first region. The second and third traces are disposed on the body. The third trace extends from the first to the second regions. The third trace is connected to the first trace at the first temperature sensing interface. The third trace includes a different material than the first trace. A first thermocouple is formed at the first temperature sensing interface. The thermocouple provides temperature data to determine an analyte concentration.
    Type: Application
    Filed: June 23, 2010
    Publication date: December 23, 2010
    Applicant: BAYER HEALTHCARE LLC
    Inventors: Steve Hoi-Cheong Sun, Swetha Chinnayelka, John P. Creaven, Andrew J. Edelbrock, Matthew B. Holzer, Narasinha C. Parasnis, Jeffery S. Reynolds, Paul M. Ripley, Steven C. Charlton, Xin Wang, Mu Wu
  • Publication number: 20100281957
    Abstract: The present invention provides a method for determining in a pharmaceutical test formulation the presence or absence of a peptide compound PYY3-36 represented by the following amino acid sequence: H-Ile-Lys-Pro-Glu-Ala-Pro-Gly-Glu-Asp-Ala-Ser-Pro-Glu-Glu-Leu-Asn-Arg-Tyr-Tyr-Ala-Ser-Leu-Arg-His-Tyr-Leu-Asn-Leu-Val-Thr-Arg-Gln-Arg-Tyr-X (SEQ ID NO: 1), wherein X is OH or a carboxy acid-protecting group, the method comprising (1) preparing a solution by mixing the pharmaceutical test formulation with cucurbit[7]uril in a solvent; and (2) thermally analyzing the solution prepared in Step (1).
    Type: Application
    Filed: October 25, 2007
    Publication date: November 11, 2010
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Yoshihisa Inoue, Mikhail Rekharsky, Kimoon Kim, Yong Ho Ko, Narayanan Selvapalam
  • Patent number: 7780343
    Abstract: A device with micromachined (a.k.a. MEMS, Micro Electro Mechanical Systems) silicon sensor to measure gas or liquid concentration in a binary mixture formality is disclosed in the present invention. A process for fabricating the said MEMS silicon concentration sensor, which thereby can greatly reduce the sensor fabrication cost by a batch production, is revealed as well. This MEMS process can mass-produce the sensors on silicon substrate in the ways of small size, low power, and high reliability. In addition to the gas or liquid concentration measurement, the present invention further discloses that the said sensor can also readily measure gas or liquid mass flow rate while record the concentration data, which is not viable by other related working principle.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: August 24, 2010
    Assignee: Siargo Ltd.
    Inventors: Chih-Chang Chen, Yahong Yao, Gaofeng Wang, Liji Huang
  • Patent number: 7722813
    Abstract: A urea concentration identification device comprising a concentration identification sensor unit (2) and a support unit (4) attached at the bottom end thereof with this sensor unit and provided at the top end thereof with a mounting unit (4a) to a urea solution tank opening. The concentration identification sensor unit (2) has an indirectly-heated concentration detector and liquid temperature detector provided with metal fins (21c),(22c), respectively, for heat-exchanging with urea solution. The concentration identification sensor unit (2) is provided with a cover member (2d) that forms an opposite-ends-opened urea solution induction passage so as to surround the metal fins (21c), (22c).
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: May 25, 2010
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Shinichi Inoue, Akiko Kubota, Takayuki Takahata
  • Patent number: 7706997
    Abstract: A method for measuring the temperature dependency of a sensor element for a variable, the value of which varies with the temperature, for any liquid. The method includes the steps of changing the temperature of the liquid over time, simultaneously collecting the data produced by the sensor element, and thereafter using the data produced by the sensor element at the different temperatures to determine coefficients for compensation algorithms of the temperature dependencies of the sensor element, thus producing a correlation between the change in temperature and the other measured variables.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: April 27, 2010
    Assignee: Vaisala Oyj
    Inventors: Jukka Leppänen, Arto Harju, Risto Heikkinen
  • Patent number: 7665347
    Abstract: A liquid state detecting apparatus including a detecting element which outputs a signal associated with a concentration of a particular component of a liquid contained in a liquid container; an abnormality determination unit which determines whether or not the liquid is in a particular abnormal state based on the output signal of the detecting element, a level detecting part which outputs a signal according to a level of the liquid contained in the liquid container; and a static state determination unit which determines whether or not the liquid in the liquid container is in a static state based on the output signal from the level detecting part, wherein the determination made by the static state determination unit is reflected in the determination made by the abnormality determination unit.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: February 23, 2010
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Takeo Sasanuma, Yoshikuni Sato
  • Patent number: 7658093
    Abstract: A concentration sensor for detecting a concentration of a liquid reducing agent through heat transfer characteristics between separate two points is provided in a storage tank for storing a liquid supplied to an NOx reduction catalyst. When the concentration read from the concentration sensor is 0% or less, the liquid is discriminated to be water, that is, it is utilized that when water is converted to the concentration of a liquid reducing agent, it is 0%, and it is also 0% even when the concentration is reduced by convection. When the concentration is greater than a predetermined value, it is discriminated that no liquid is present, since it is considered that the output of the sensor is abnormal because of the absence of a liquid in the tank. On the other hand, when the concentration is greater than 0% and less than a predetermined value, the liquid is discriminated to be the liquid reducing agent, provided that the concentration value may include an error.
    Type: Grant
    Filed: September 6, 2004
    Date of Patent: February 9, 2010
    Assignee: Nissan Diesel Motor Co., Ltd.
    Inventors: Mitsuhiro Nishina, Toshikazu Katou, Hiroyuki Kurita
  • Patent number: 7574900
    Abstract: A liquid state detection sensor in which temperature information of a urea aqueous solution is obtained on the basis of a voltage value acquired after the start of energization of a heating resistor corresponding to a resistance value of the heating resistor (S1-S6). Damage to the heating resistor is prevented by suspending the energization if the thus-obtained temperature is lower than or equal to the freezing point (S7: yes and S8). If the temperature is higher than the freezing point (S7: no), a voltage value corresponding to a resistance of the heating resistor after a lapse of 700 ms (S10 and S11) and a urea concentration of the urea aqueous solution are determined from a difference ?V from the previously acquired voltage value. A more accurate urea concentration can be detected by making a correction using the previously obtained temperature information of the urea aqueous solution (S13-S18).
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: August 18, 2009
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Takeo Sasanuma, Yoshikuni Sato, Shunsuke Tamura, Shinji Kumazawa, Hisashi Sasaki
  • Publication number: 20090158819
    Abstract: A probe or sonde (1) comprising a plurality of sensors (3, 4, 5, 6, 8, 9, 10) for sensing different parameters, at least one sensor being mounted on or at one end of the probe or sonde (1), and at least one sensor being mounted on or at the, or one, side of the probe or sonde (1). The probe or sonde further comprises a centrally positioned stirrer (7) and in constructed from plastics discs bonded together or separated by gaskets. Sensors are used for measuring different water quality parameters, flow and temperature.
    Type: Application
    Filed: October 17, 2006
    Publication date: June 25, 2009
    Inventor: David Robert Vincent
  • Patent number: 7469574
    Abstract: A liquid type identifying method and device for correctly and quickly determining whether or not a liquid is a predetermined one. An identifying sensor unit (2) so disposed as to face a flow passage (24) of a liquid to be measured has an indirect-heating liquid type detecting section (21) including a heater and a heat sensor and a liquid temperature sensing section (22). A single pulse voltage is applied to the heater of the liquid type detecting section to allow the heater to generate heat, and an identification calculation section makes an identification according to the output of the liquid type detecting circuit including the heat sensor of the liquid type detecting section and the liquid temperature sensing section.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: December 30, 2008
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Toshiaki Kawanishi, Akiko Kubota, Kiyoshi Yamagishi
  • Publication number: 20080282780
    Abstract: The present invention concerns a device and a method for the rapid detection of a low molecular substance in a liquid flow.
    Type: Application
    Filed: June 15, 2005
    Publication date: November 20, 2008
    Inventor: Dario Kriz
  • Patent number: 7423536
    Abstract: A heat sensor activated detector having a housing, which accommodates a heat sensor, a logic device that compares the heat signal read by the heat sensor to a predetermined level and transmits an enable signal to an audible signal generator where the heat signal is outside of the predetermined level, an audible signal generator, and a power source. The heat sensor may be tuned to the body heat of the user. Also, the predetermined level may be set to a specific distance, such as three meters. Further, the detector may be attached, temporarily or permanently, to an object the user wants to protect against loss or misplacement.
    Type: Grant
    Filed: October 22, 2005
    Date of Patent: September 9, 2008
    Inventor: Edith B. Young
  • Patent number: 7398677
    Abstract: The process comprises the operations of: effecting heating of a predetermined quantity of water/alcohol solution until it partly or completely evaporates, detecting the change in its temperature over time during heating and evaporation of the said quantity of solution, and, determining the total energy necessary to bring about partial or complete evaporation of the said quantity of solution, or the time necessary for partial or complete evaporation, or the integral of that temperature over time during partial or complete evaporation, the value of each of these quantities being indicative of the alcohol concentration by volume in the water/alcohol solution.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: July 15, 2008
    Assignee: Fondazione Bruno Kessler
    Inventors: Giuliano Pisoni, Vittorio Guarnieri, Giorgio Umberto Pignatel
  • Patent number: 7377185
    Abstract: A flow rate/liquid type detecting method for detecting the flow rate of a fluid and, at the same time, detecting any one of or both the type of the fluid and the concentration of the fluid, characterized in that: by using a flow rate/liquid type detecting apparatus comprising a main passage through which a fluid to be detected flows, an auxiliary passage branched from the main passage, and a flow rate/liquid type detecting sensor device provided in the auxiliary passage, is provided, and in conducting any one of or both the detection of the type of the fluid to be detected and the detection of the concentration of the fluid to be detected, an auxiliary passage opening/closing valve is closed, and the fluid to be detected is allowed to temporarily stay within the flow rate/liquid type detecting sensor device to conduct any one of or both the detection of the liquid type and the detection of the concentration, and in detecting the flow rate of the fluid to be detected, the auxiliary passage opening/closing valv
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: May 27, 2008
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Toshiaki Kawanishi, Takayuki Takahata, Kenji Tomonari, Kiyoshi Yamagishi, Atsushi Koike, Akiko Kubota, Shin-ichi Inoue
  • Patent number: 7367711
    Abstract: Apparatus and method for identifying type and distillation properties of light oil. A pulse voltage is applied for a predetermined period of time to a liquid type identification sensor heater comprising a heater and an identification liquid temperature sensor provided in the vicinity of the heater; the light oil to be identified is heated by the heater; and the liquid type is identified with a voltage output difference V0, corresponding to a temperature difference between the initial temperature and the peak temperature of the identification liquid temperature sensor.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: May 6, 2008
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Toshiaki Kawanishi, Takayuki Takahata, Kiyoshi Yamagishi
  • Patent number: 7168300
    Abstract: The types of gasolines having different distillation characteristics and various compositions are identified accurately and rapidly. A pulse voltage is applied for a predetermined time to a liquid type identifying sensor heater including a heater and an identifying liquid temperature sensor provided in the vicinity of the heater and an identified gasoline is heated by the heater and the liquid type is identified with a voltage output difference V0 corresponding to a temperature difference between an initial temperature and a peak temperature in the identifying liquid temperature asensor. Furthermore, a gasoline is introduced between electrodes of an alcohol concentration detecting sensor, and a change in a specific inductive capacity of the gasoline between the electrodes is measured with an oscillation frequency thereby detecting an alcohol concentration in the gasoline.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: January 30, 2007
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Toshiaki Kawanishi, Kiyoshi Yamagishi, Takayuki Takahata
  • Patent number: 7152582
    Abstract: The types of gasolines having different distillation characteristics and various compositions are identified accurately and rapidly. A pulse voltage is applied for a predetermined time to a liquid type identifying sensor heater including a heater and an identifying liquid temperature sensor provided in the vicinity of the heater. Then, a gasoline to be identified is heated by the heater, and a liquid type is identified with a voltage output difference V0 corresponding to a temperature difference between an initial temperature and a peak temperature in the identifying liquid temperature sensor.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: December 26, 2006
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Takayuki Takahata, Toshiaki Kawanishi, Kiyoshi Yamagishi
  • Patent number: 7080556
    Abstract: Ultrasonic apparatus and associated methods for the in-line monitoring of melting, mixing and chemical reaction processes of materials inside an enclosed chamber having rotating elements associated therewith are presented. The chamber may be heated and the rotating elements may be blades and/or screws. The chamber may be a heating barrel and the materials may be polymer and polymer composites pellets, metal pellets and chemical compounds. Ultrasonic sensors, which are preferably coupled to a wall of the chamber, may be high temperature ultrasonic transducers attached to the external surface of the chamber or ultrasonic buffer rods embedded into the chamber and coupled to cooled ultrasonic transducers. These sensors are operated in the reflection mode and are placed over the rotating elements. The number and locations of the sensors depend on applications.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: July 25, 2006
    Assignee: National Research Council of Canada
    Inventors: Cheng-Kuei Jen, Zhigang Sun, Jacques Tatibouet
  • Patent number: 7036356
    Abstract: The invention relates to a method and apparatus for measurement of total water content in a liquid. According to the method, the relative water content (aw) of the liquid is measured in a first measurement step at a first temperature (T1). According to the invention, the temperature of the liquid under measurement is altered from the first temperature (T1) and the relative water content is measured in a second measurement step at the second, altered temperature (T2), whereby, based on these at least two measurement values (aw(1)T1, aw(2)T2), the total water content is determined from the temperature dependence of water dissolution into the liquid under measurement.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: May 2, 2006
    Assignee: Vaisala Oyj
    Inventors: Jukka Leppänen, Matti Lyyra, Lars Stormbom
  • Publication number: 20040250606
    Abstract: The invention relates to a device (1) for determining the quality of a medium, particularly of a lubricant and/or cutting oil, comprising a number of sensors (3, 4, 5, 6, 7) that output an electric output signal according to the respective sensor-specific input variable. One sensor is a temperature sensor (7) that outputs an output signal, which is essentially only dependent on the temperature (T) of the medium and is essentially independent of, in particular, the quality of the medium. At least one other sensor (3, 4, 5, 6) outputs an output signal that is dependent on both the quality of the medium as well as the temperature (T) of the medium. The sensors (3, 4, 5, 6, 7) are placed on a shared substrate (2) that can be immersed in the medium. The invention also relates to an associated method.
    Type: Application
    Filed: April 22, 2004
    Publication date: December 16, 2004
    Inventors: Stephanus Buttgenbach, Hans-Heinrich Harms
  • Patent number: 6776029
    Abstract: An oil content measuring device measures the oil content of a refrigerant in a supercritical or a vapor phase state. A refrigeration system uses the oil content measuring device. The oil content measuring device has an electrostatic capacity measuring device for measuring an electrostatic capacity of the refrigerant containing a refrigerating machine oil, a density measuring device for measuring a density of at least one of the refrigerant and the refrigerating machine oil, a computing device for performing a computation on correlation characteristics between the electrostatic capacity and an oil content which indicates the ratio of the amount of the refrigerating machine oil to the amount of the refrigerant containing the refrigerating machine oil, using the density measured by the density measuring device. An oil content determining device determines an oil content at the measuring time from an electrostatic capacity using the correlation characteristics obtained by the computing device.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: August 17, 2004
    Assignees: Denso Corporation, Nippon Soken, Inc.
    Inventors: Tadashi Hotta, Yukikatsu Ozaki, Toshio Hirata
  • Publication number: 20040154384
    Abstract: The invention relates to a method and apparatus for measurement of total water content in a liquid. According to the method, the relative water content (aw) of the liquid is measured in a first measurement step at a first temperature (T1). According to the invention, the temperature of the liquid under measurement is altered from the first temperature (T1) and the relative water content is measured in a second measurement step at the second, altered temperature (T2), whereby, based on these at least two measurement values (aw(1)T1, aw(2)T2), the total water content is determined from the temperature dependence of water dissolution into the liquid under measurement.
    Type: Application
    Filed: February 2, 2004
    Publication date: August 12, 2004
    Inventors: Jukka Leppanen, Matti Lyyra, Lars Stormbom
  • Patent number: 6739178
    Abstract: A sensor probe and method of use for determining the temperature, velocity, and/or liquid volumetric fraction of gas laden with droplets. In one variation, the probe includes a single heating element used in a well-characterized flow. The heating element is maintained above the Leidenfrost transition for the droplets, which prevents cooling effects from the droplets from impacting the temperature measurement. In another variation, the probe includes two or more heating elements arranged in similar flow environments. The property of interest is derived by relying on thermodynamic and heat transfer principles, which are not usable in conjunction with conventional devices.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: May 25, 2004
    Assignee: University of Maryland
    Inventors: Marino Dimarzo, Paolo Ruffino
  • Patent number: 6737274
    Abstract: A comparator for use with a time-temperature indicator wherein the time-temperature indicator includes an active portion having an initial color and which undergoes chemical changes as time elapses and at a rate related to the temperature of the surrounding environment and wherein the chemical changes produce changes in the color of the active portion. The comparator comprises a substantially planar support member, and a plurality of comparator stages located on the support member. Each comparator stage comprises a first portion having a reference color and a second portion having a predetermined color that is the same as one of the colors to which the active portion of the time-temperature indicator changes.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: May 18, 2004
    Assignee: United States of America as represented by the Secretary of the Army
    Inventor: Bruce Butler Wright
  • Patent number: 6732568
    Abstract: A sensor probe and method of use for determining the temperature, velocity, and/or liquid volumetric fraction of gas laden with droplets. In one variation, the probe includes a single heating element used in a well-characterized flow. The heating element is maintained above the Leidenfrost transition for the droplets, which prevents cooling effects from the droplets from impacting the temperature measurement. In another variation, the probe includes two or more heating elements arranged in similar flow environments. The property of interest is derived by relying on thermodynamic and heat transfer principles, which are not usable in conjunction with conventional devices.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: May 11, 2004
    Assignee: University of Maryland
    Inventors: Marino Dimarzo, Paolo Ruffino
  • Patent number: 6691562
    Abstract: A correlation is derived between a variable, defined as “virtual age,” indicative of brake fluid's service age and/or mileage and the concentration of copper in the fluid. Virtual age is utilized to estimate the degree of degradation of the fluid. A reactive test strip is used to measure the concentration of copper ions in the brake fluid in terms of a readily visible color change. The strip is immersed in the fluid and any resulting color change is compared to a color chart and a standard representative of the maximum concentration determined empirically to correspond to the desirable “virtual-age” threshold for fluid replacement. An automated embodiment of the invention includes an optical instrument to compare the color obtained from the test to a predetermined standard and determine whether a fluid change is recommended.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: February 17, 2004
    Assignee: Phoenix Systems, L.L.C.
    Inventor: Jon A. Petty
  • Patent number: 6651487
    Abstract: A reactive test strip having a pre-exposure color is used to measure and indicate the concentration of copper ions in brake fluid in terms of a readily visible color change. The strip is immersed in the fluid within a brake fluid container and any resulting color change is compared to a color chart and a known test standard representative of the maximum metal concentration determined empirically to correspond to a boiling point considered safe for normal operation. If the color change indicates a higher copper concentration than the known test standard, then the fluid is considered inadequate for safe operation and thus recommended for replacement without any further tests. Similar copper or metal strips can also be used in a similar test to determine iron or zinc concentration within the brake fluid so as to also determine suitability of the brake fluid for ensuring safe operation.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: November 25, 2003
    Assignee: Phoenix Systems, L.L.C.
    Inventor: Jon A. Petty
  • Publication number: 20030188570
    Abstract: The grade of oil used in a machine or apparatus can be determined by determining a temperature and pressure within an oil supply and determining the oil grade in response to determining the temperature and pressure.
    Type: Application
    Filed: April 5, 2002
    Publication date: October 9, 2003
    Inventors: Jon E. Kasen, Michelle A. Lee