WO2005106403A3 - Multi-function sensor - Google Patents

Multi-function sensor Download PDF

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Publication number
WO2005106403A3
WO2005106403A3 PCT/US2005/013662 US2005013662W WO2005106403A3 WO 2005106403 A3 WO2005106403 A3 WO 2005106403A3 US 2005013662 W US2005013662 W US 2005013662W WO 2005106403 A3 WO2005106403 A3 WO 2005106403A3
Authority
WO
WIPO (PCT)
Prior art keywords
sensor module
sensor
turbidity
temperature
level
Prior art date
Application number
PCT/US2005/013662
Other languages
French (fr)
Other versions
WO2005106403A2 (en
Inventor
Prasad S Khadkikar
Bernd Zimmermann
Original Assignee
Therm O Disc Inc
Prasad S Khadkikar
Bernd Zimmermann
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35242291&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2005106403(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Therm O Disc Inc, Prasad S Khadkikar, Bernd Zimmermann filed Critical Therm O Disc Inc
Priority to US11/587,325 priority Critical patent/US7775105B2/en
Publication of WO2005106403A2 publication Critical patent/WO2005106403A2/en
Publication of WO2005106403A3 publication Critical patent/WO2005106403A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels
    • G01F23/248—Constructional details; Mounting of probes

Abstract

A multi-function sensor is disclosed for measuring the conditions within a container, such as fluid level, turbidity, temperature and pressure. The sensor incorporates a fluid level sensor module, a turbidity sensor module, a temperature sensor module and a pressure sensor module. The fluid level sensor module utilizes a plurality of thermocouple junctions grouped in pairs with the pairs being spaced along a line extending generally in the direction in which the liquid level may vary. The thermocouple junctions are connected in series and produce a signal indicative of the level along the sensor. Turbidity, temperature, and pressure sensor modules may also be incorporated in the multi-function sensor. Alternatively, a fluid flow rate sensor module may be included in place of the liquid level sensor module.
PCT/US2005/013662 2004-04-21 2005-04-21 Multi-function sensor WO2005106403A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/587,325 US7775105B2 (en) 2004-04-21 2005-04-21 Multi-function sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56412904P 2004-04-21 2004-04-21
US60/564,129 2004-04-21

Publications (2)

Publication Number Publication Date
WO2005106403A2 WO2005106403A2 (en) 2005-11-10
WO2005106403A3 true WO2005106403A3 (en) 2006-04-27

Family

ID=35242291

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/013662 WO2005106403A2 (en) 2004-04-21 2005-04-21 Multi-function sensor

Country Status (2)

Country Link
US (1) US7775105B2 (en)
WO (1) WO2005106403A2 (en)

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US7838859B2 (en) * 2008-09-29 2010-11-23 Scully Signal Company Fluid overfill probe with thermal stress prevention
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US7950286B2 (en) * 2008-12-19 2011-05-31 Honeywell International Inc. Multi-range pressure sensor apparatus and method utilizing a single sense die and multiple signal paths
DE102009015315A1 (en) * 2009-03-27 2010-09-30 Epcos Ag Sensor arrangement and method of manufacture
ES2345803B9 (en) * 2009-03-31 2011-11-07 Zertan, S.A. SENSOR COMBINED TO MEASURE VARIABLES IN LIQUID MEDIUM.
US10330513B2 (en) * 2009-05-27 2019-06-25 Honeywell International Inc. Multi-dynamic-range sensor
US8656772B2 (en) 2010-03-22 2014-02-25 Honeywell International Inc. Flow sensor with pressure output signal
US8398301B2 (en) * 2010-04-20 2013-03-19 Schlumberger Technology Corporation Apparatus for determining downhole fluid temperatures
EP2593765B1 (en) 2010-07-16 2018-04-04 Kulite Semiconductor Products, Inc. Pressure scanner assemblies having replaceable sensor plates
US8926834B2 (en) * 2010-10-18 2015-01-06 Delaware Capital Formation, Inc. Probe for water treatment
US8695417B2 (en) 2011-01-31 2014-04-15 Honeywell International Inc. Flow sensor with enhanced flow range capability
US8446220B2 (en) 2011-05-09 2013-05-21 Honeywell International Inc. Method and apparatus for increasing the effective resolution of a sensor
US8770034B2 (en) 2011-09-06 2014-07-08 Honeywell International Inc. Packaged sensor with multiple sensors elements
US20130095744A1 (en) * 2011-10-17 2013-04-18 Lennox Industries Inc. Sensor mounting panel for an energy recovery ventilator unit
DE102012209225A1 (en) * 2012-05-31 2013-12-05 Ifm Electronic Gmbh Thermal flow sensor for determining analog or digital measurement value of flow of liquid medium, has heating element that heats flowing medium, where temperature difference between meander ends is generated due to Seebeck effect
FR2991814B1 (en) * 2012-06-08 2014-06-06 Michelin & Cie COOLING CIRCUIT FOR FUEL CELL
CN102878708B (en) * 2012-08-29 2014-10-15 冯先文 Water temperature and water level measuring device for solar water heater
US9052217B2 (en) 2012-11-09 2015-06-09 Honeywell International Inc. Variable scale sensor
DE102013111235A1 (en) * 2012-12-19 2014-06-26 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Arrangement for the optical measurement of one or more physical, chemical and / or biological process variables of a medium
CN103820956A (en) * 2014-03-21 2014-05-28 新杰克缝纫机股份有限公司 Oil mass detection and alarm system of sewing machine
US10728956B2 (en) * 2015-05-29 2020-07-28 Watlow Electric Manufacturing Company Resistive heater with temperature sensing power pins
US10493766B2 (en) * 2016-04-21 2019-12-03 Hewlett-Packard Development Company, L.P. Fluid level sensing with protective member
US10408660B2 (en) * 2016-08-11 2019-09-10 Orscheln Products L.L.C. Electronic fluid level indicator
US10067179B2 (en) 2016-08-30 2018-09-04 Nokia Of America Corporation Detecting deterioration of an electrical circuit in an aggressive environment
WO2019078834A1 (en) * 2017-10-18 2019-04-25 Hewlett-Packard Development Company, L.P. Fluid property sensor
BR112020007355A2 (en) 2017-10-18 2020-10-06 Hewlett-Packard Development Company, L.P. fluid property sensor
US10101599B1 (en) * 2017-12-28 2018-10-16 Austin Greeson Smart automated contact lens cleansing device
US10894423B2 (en) 2018-12-03 2021-01-19 Hewlett-Packard Development Company, L.P. Logic circuitry
US11338586B2 (en) 2018-12-03 2022-05-24 Hewlett-Packard Development Company, L.P. Logic circuitry
US11364716B2 (en) 2018-12-03 2022-06-21 Hewlett-Packard Development Company, L.P. Logic circuitry
MX2021006484A (en) 2018-12-03 2021-07-02 Hewlett Packard Development Co Logic circuitry.
EP3687820B1 (en) 2018-12-03 2022-03-23 Hewlett-Packard Development Company, L.P. Logic circuitry
CN113168487A (en) 2018-12-03 2021-07-23 惠普发展公司，有限责任合伙企业 Logic circuitry packaging
WO2020117306A1 (en) 2018-12-03 2020-06-11 Hewlett-Packard Development Company, L.P. Logic circuitry
WO2021080607A1 (en) 2019-10-25 2021-04-29 Hewlett-Packard Development Company, L.P. Logic circuitry package
MX2021005993A (en) 2018-12-03 2021-07-06 Hewlett Packard Development Co Logic circuitry.
US20210001635A1 (en) 2018-12-03 2021-01-07 Hewlett-Packard Development Company, L.P. Logic circuitry
AU2018451721B2 (en) 2018-12-03 2023-05-18 Hewlett-Packard Development Company, L.P. Logic circuitry
CA3114001C (en) 2018-12-03 2023-06-20 Hewlett-Packard Development Company, L.P. Logic circuitry
US20220136886A1 (en) * 2019-04-01 2022-05-05 Delaware Capital Formation, Inc. Product reservoir including intelligent level sensor
CN112323048B (en) * 2019-08-05 2024-02-09 Asm Ip私人控股有限公司 Liquid level sensor for chemical source container
CN111413280A (en) * 2020-04-10 2020-07-14 杭州领辰智能科技有限公司 Pressure-bearing type photoelectric induction sensor

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US4785665A (en) * 1987-01-16 1988-11-22 Mcculloch Reg W Measuring instrument that senses heat transfer along a probe
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Also Published As

Publication number Publication date
WO2005106403A2 (en) 2005-11-10
US7775105B2 (en) 2010-08-17
US20080107151A1 (en) 2008-05-08

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