Electrical Characteristic Sensing Patents (Class 137/392)
  • Patent number: 9752916
    Abstract: A method of installing a probe for monitoring a surface level of a fluid in a vessel inside the vessel from outside the vessel, the method includes providing a vessel side wall with a first opening, providing the vessel side wall with a second opening, passing the second end of the probe, a second device for fastening the probe and a detection unit of the probe through the first opening and inside the vessel, orienting the second end of the probe towards the second opening, attaching the second end of the probe to the side wall of the vessel at the second opening, and fastening the first end of the probe to the side wall of the vessel at the first opening.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: September 5, 2017
    Assignee: SULZER MANAGEMENT AG
    Inventors: Jussi Heinonen, Pasi Kvick, Anssi Lehtonen, Seppo Nyman, Reijo Vesala, Vesa Vikman
  • Patent number: 9732751
    Abstract: In a water-supply line for performing water-supply to the rotors and the mechanical seal of a compressor, or in a condensed-water collection line for collecting condensed water of a dryer into the inlet port of the compressor, a water reservoir is provided at a position higher than the water-supply unit of the compressor. Moreover, there are provided a start-time water-supply line and a solenoid valve set up therein. Here, the start-time water-supply line establishes the connection between the lower portion of the water reservoir, and the inlet port of the compressor and the water-supply unit of the mechanical seal.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: August 15, 2017
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Fumio Takeda, Masayuki Kasahara, Takehiro Matsuzaka, Tsutomu Nozaki, Hideharu Tanaka
  • Patent number: 9719711
    Abstract: An ice making assembly and method utilizes a housing having an upper fluid chamber, a plurality of distinct, substantially vertical fluid channels, and at least one drain aperture in fluid communication with a fluid reservoir. Ice forming members extend from an ice forming evaporator into respective fluid channels. During an ice making event, fluid continuously supplied to the upper fluid chamber flows into each of the fluid channels and out through at least one drain aperture into a fluid reservoir below. The ice forming members are cooled such that fluid flowing across the fluid channels freezes on the ice forming members over time, forming clear ice pieces. The ice pieces are subsequently released from the ice forming members and transferred for storage and/or dispensing.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: August 1, 2017
    Assignee: Whirlpool Corporation
    Inventors: Anderson Bortoletto, Nihat O. Cur, Douglas D. Leclear, Andrew M. Tenbarge, Ronald L. Voglewede
  • Patent number: 9695028
    Abstract: A filling unit for contact or contactless filling an article is disclosed. The filling unit includes a tank comprising: a first valve, which may allow or prevent the fluidic connection between a first region of the tank and the article; a first fluidic line which extends from the tank to the article in case of contact filling; a second valve, which may allow or prevent the flow along the first fluidic line; and a control unit configured to set the first valve in a first closed configuration and the second valve in a second open configuration in case of contact filling. The filling unit further includes a second fluidic line distinct from the first fluidic line and extends from the inner volume of the article to a discharge area distinct from the tank; and a third valve, which may allow or prevent the flow along the second fluidic line.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: July 4, 2017
    Assignee: SIDEL S.P.A. CON SOCIO UNICO
    Inventors: Filippo Bandini, Mattia Cenci, Alessandro Mameli
  • Patent number: 9632513
    Abstract: A tank monitor control device is disclosed which comprises a monitoring device for insertion into a day tank to monitor a level of fluid stored in the day tank, a shutoff valve connected between a main storage tank and a diaphragm pump, a solenoid valve connected between an air supply and the diaphragm pump, and a control device connected to the monitoring device for receiving a signal indicative of the level of fluid in the day tank, the control device connected to the shutoff valve and the solenoid valve.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: April 25, 2017
    Assignee: Husky Corporation
    Inventor: Roger Wiersma
  • Patent number: 9410336
    Abstract: An automated system for monitoring and maintaining fluid level in a swimming pool, spa, or other environment containing water is provided. The system includes a sensor assembly having a microprocessor and a proximity sensor encapsulated in a non-conductive material. A lower section of the sensor assembly has a flat profile and at least a portion of the proximity sensor is positioned in the lower section. The sensor assembly transmits a signal to a remote controller when the water level measured is above or below a predetermined target value. The remote controller in turn causes a remote water valve to turn on or off. In certain implementations, the sensor assembly incorporates a precision mounting system and algorithm, which work together to provide the end user with a means to mount the sensor easily and maintain precise operational level of the water.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: August 9, 2016
    Inventor: Richard DeVerse
  • Patent number: 9383245
    Abstract: A liquid level measuring device for measuring a liquid level of liquid stored in a container may comprise a discharging unit, a first storing space, and an electrode unit. The discharging unit may be configured to discharge the liquid compressed by a pump. The pump may be configured to suck the liquid stored in the container and feed the liquid toward a liquid usage device by pressure. The first storing space may be located in the container and configured to accept the liquid discharged from the discharging unit. The electrode unit may be disposed in the first storing space and comprising a first pair of electrodes configured to measure the liquid level of the liquid within the first storing space. The electrode unit may compose at least a part of a wall surface defining the first storing space.
    Type: Grant
    Filed: February 16, 2014
    Date of Patent: July 5, 2016
    Assignee: AISAN KOGYO KABUSHIKI KAISHA
    Inventor: Nobuhiro Kato
  • Patent number: 9352952
    Abstract: The present invention relates to dispensers of fluids such as liquids, powders or particulate solids and in particular, relates to apparatus to quickly, hygienically and accurately dispense predetermined measures of fluid products into a vessel according to the capacity of the vessel. In the preferred embodiment of the invention there is provided a fluid portion dispenser comprising at least one fluid reservoir, one or more nozzles, each of which being fixed to a work surface and having a nozzle outlet configured to dispense fluid from and a pump unit, connecting each reservoir to a nozzle and configured to pump fluid from each reservoir to a nozzle wherein each nozzle includes an activation mechanism, adapted to identify the capacity of a vessel in association with a nozzle outlet and activate the pump unit to dispense a portion of fluid from the nozzle outlet according to the capacity of the vessel identified.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: May 31, 2016
    Assignee: RAD I.P, PTY LIMITED
    Inventors: Ross William Nicholls, Adam James Preston
  • Patent number: 9345159
    Abstract: A water-proof structure has an internal barometer for a terminal device. The water-proof structure is an internal cavity of the terminal device. The water-proof structure is provided with an opening on a casing of the terminal device. Abarometer is arranged inside the water-proof structure. A water drop detection device is arranged between a water-proof mesh net and the barometer. The water drop detection device is electrically connected to a control valve, and when a water volume detected by the water drop detection device reaches a water volume threshold value, the control valve is closed.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: May 17, 2016
    Assignee: Huawei Device Co., Ltd.
    Inventor: Xu Peng
  • Patent number: 9340987
    Abstract: A ride is formed comprising a channel forming a closed loop. The channel is able to receive water. Wave forming means are provided operable to create a wave, when the channel contains water, such that the wave will progress around the channel. The wave is of sufficient size to enable aquatic pastimes to be performed on the wave.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: May 17, 2016
    Inventor: Stephen Francis Smythe
  • Patent number: 9322512
    Abstract: A fluid-reservoir management system for monitoring fluid capacities and controlling the transfer of fluid capacities within a fluid network includes a plurality of linked fluid reservoirs for storing the fluid capacities, a central computer unit in a communication network, the fluid reservoirs being linked to the communication network for transmitting data to and from the central computer unit, a communication portal provided in the communication network, a user interface for accessing the communication portal, a comparison unit for comparing fluid capacities and for comparing parameters of the fluid reservoirs and of the fluid network, and a control device for executing orders to transfer fluid capacities between at least two fluid reservoirs. The central computer unit coordinates the orders to transfer fluid capacities between at least two fluid reservoirs as a function of results of comparisons performed by the comparison unit and forwards the orders to the control device for executing.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: April 26, 2016
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Marco Bremer, Martin Kletscher
  • Patent number: 9273890
    Abstract: An ice making assembly and method utilizes a housing having an upper fluid chamber, a plurality of distinct, substantially vertical fluid channels, and at least one drain aperture in fluid communication with a fluid reservoir. Ice forming members extend from an ice forming evaporator into respective fluid channels. During an ice making event, fluid continuously supplied to the upper fluid chamber flows into each of the fluid channels and out through at least one drain aperture into a fluid reservoir below. The ice forming members are cooled such that fluid flowing across the fluid channels freezes on the ice forming members over time, forming clear ice pieces. The ice pieces are subsequently released from the ice forming members and transferred for storage and/or dispensing.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: March 1, 2016
    Assignee: Whirlpool Corporation
    Inventors: Anderson Bortoletto, Nihat O. Cur, Douglas D. Leclear, Andrew M. Tenbarge, Ronald L. Voglewede
  • Patent number: 9249038
    Abstract: A water purifier includes a filter part to filter water, a storage part to store the water filtered by the filter part, and a separation unit to partition a space within the storage part into a plurality of spaces. A contact part is disposed between an inner surface of the storage part and the separation unit.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: February 2, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Younghoon Ha, Kobong Choi, Jonghun Park, Ho Seon Choi, Joonho Jang, Sangho Kim, Kang Hyun Lee, Kyu Seong Choi, Je Wook Jeon
  • Patent number: 9181078
    Abstract: A modular, environmentally friendly mobile fuel distribution station includes a fuel tank, a support structure having a plurality of legs for supporting an operation platform in an elevated position a predetermined distance above ground, an alternative power generation device, the alternative power generation device being one of a solar power generator and a wind power generator for providing primary power to the mobile fuel distribution station and a central platform operatively connected to at least two of the legs, the at least two of the legs bearing the weight of the central platform, wherein the fuel tank and the alternative power generation device are disposed on the operation platform.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: November 10, 2015
    Inventors: Jose A. Cajiga, Arturo Cajiga Villar, Vicente Cajiga Villar
  • Patent number: 9045852
    Abstract: A washing machine and a washing control method of the same capable of controlling a degree of application of the machine force at every temperature step according to the selected washing course based on information, such as the amount of load detected in the beginning of washing and the amount of wash water detected by the rise change of the wash water temperature during washing, thereby reducing damage to laundry during washing and accomplishing optimal washing efficiency. The washing control method includes detecting wash water temperature and controlling a motor operation rate or a washing time based on the detected wash water temperature.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Sook Kim, Sung Hoon Kim, Seong Min Oak
  • Patent number: 8973601
    Abstract: A liquid condition sensor configured to monitor the condition of a liquid in an ultrasonic cleaning system tank, the liquid condition sensor including a first circuit configured to detect a signal transmitted from an ultrasonic generator to one or more ultrasonic transducers located in the tank. The liquid condition sensor further includes a second circuit coupled to the first circuit, the second circuit configured to determine if the signal is indicative of one of a suboptimal liquid level, and an unacceptably high concentration of dissolved gases in the cleaning liquid, and a third circuit coupled to the second circuit, the third circuit configured to provide a warning if one of a suboptimal liquid level, and an unacceptably high concentration of dissolved gases in the cleaning liquid is indicated by the second circuit.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: March 10, 2015
    Assignee: Ultrasonic Power Corporation
    Inventors: Peter J. Puskas, Steven H. Myers
  • Publication number: 20150047580
    Abstract: The separatorless boiler includes a downcomer pipe (84) connecting a lower portion of the upper header (24) and the lower header (22) and a control means (70) for carrying out a first control for controlling a water supply means (60) so that a water level in the can body lowers when a detected water level by an external water level detecting means (50) exceeds a first set water level and a second control for controlling the water supply means (60) so that the water level in the can body rises when the detected water level becomes lower than or equal to a second set water level lower than the first set water level.
    Type: Application
    Filed: February 27, 2013
    Publication date: February 19, 2015
    Applicant: Miura Co., Ltd.
    Inventors: Koichi Masuda, Takanori Tanaka
  • Patent number: 8944117
    Abstract: The present invention relates to a method for dispensing a liquid to fill a container (4) up to a predetermined liquid level. The invention also refers to a dispenser capable of achieving such a method.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: February 3, 2015
    Assignee: Electrolux Home Products Corporation N.V.
    Inventors: Cristina Bertoni, Andrei Uhov, Elvio Zanon
  • Publication number: 20140158225
    Abstract: A condensate pump system for collecting condensate liquid within a reservoir 50 and pumping out the liquid to predetermined levels comprising a reservoir 50, a, a pump 10, a transistor 20, a relay 30, and a low voltage direct current power source wherein a sensing voltage is introduced (a power probe 1 or reservoir 50) into the condensate liquid such that the liquid level is detected via the two sensing probe conductors (hold probe 2 and on probe 3) within the reservoir 50 transferring the sensing voltage to the base leg 20B of the transistor 20 which in turn powers a relay 30 that powers the pump 10 when the energized liquid is contacting the upper conductor 3 at the desired maximum level 4 and disconnects the pump 10 from power when the energized liquid no longer contacts the lower conductor 2 at the desired minimal level 5.
    Type: Application
    Filed: December 12, 2012
    Publication date: June 12, 2014
    Inventor: Ross McBride
  • Patent number: 8731725
    Abstract: A fluid overfill detection and control system for controlling the transfer of fluid into a transport vehicle having multiple fluid compartments includes a plurality of overfill sensors that are connected in series with one another and that each produces an output pulse when the fluid level in its associated compartment is below a threshold level. A diagnostic line connected to each of the overfill sensors provides a diagnostic signal indicative of the number of overfill sensors that generate an output pulse, while a module on the vehicle provides an indication of the total number of overfill sensors located in the vehicle. To prevent a hazard due to the possible bypass of a overfill sensor, the controller compares the overfill sensor count signal to the diagnostic signal and inhibits the transfer of fluid into the vehicle if the values do not match.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: May 20, 2014
    Assignee: Scully Signal Company
    Inventors: Robert R. Trottier, Kenneth L. Langlais
  • Patent number: 8711002
    Abstract: A subsea control module has a casing inside which there is at least one pair of electrodes, there being electronic means connected with the electrodes of the or each pair for monitoring at least one electrical characteristic between the electrodes as a result of a fluid to which the electrodes are exposed. This can include, for example, a change due to an ingress of seawater and/or an ingress of hydraulic fluid into the interior of the casing. The or each pair of electrodes include an array in which each electrode of the pair has finger portions interleaved with finger portions of the other electrode.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: April 29, 2014
    Assignee: Vetco Gray Controls Limited
    Inventors: Julian R. Davis, Simon David Gill, Adrian John Derrick
  • Patent number: 8469050
    Abstract: A capacitive fluid level sensing arrangement for use in a medical device is provided. The arrangement includes at least one pair of conductive plates configured to increase and decrease the amount of electric charge stored in relation to the level of fluid within a fluid maintaining device, such as a reservoir. The conductive plates are electrically connected to a medical device and are configured to measure the charge stored between the plates and thus sense the fluid level. The electric circuit may communicate the measurement to an instrument host arrangement for operating a pump configured to remove fluid from the reservoir and move the fluid to a collector when the level exceeds a preset upper level amount. The instrument host arrangement may stop operating the pump when the fluid level is reduced to a preset lower level amount.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: June 25, 2013
    Assignee: Abbott Medical Optics Inc.
    Inventor: David A King
  • Patent number: 8446284
    Abstract: A method of indicating low oil level of lubrication oil for a gas turbine engine automatically eliminates false low oil readings due to temperature-induced lubrication oil shrinkage and operation-induced changes in lubrication oil level.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: May 21, 2013
    Assignee: Pratt & Whitney
    Inventors: Michael E. Mehrer, André M. Ajami
  • Patent number: 8427336
    Abstract: A subsea control module has a casing (1) inside which there is at least one pair of electrodes, there being electronic means (26-33) connected with the electrodes of the or each pair for monitoring at least one electrical characteristic between the electrodes as a result of a fluid to which the electrodes are exposed, the or each pair of electrodes comprising an array (19) in which each electrode of the pair has finger portions interleaved with finger portions of the other electrode.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: April 23, 2013
    Assignee: Vetco Gray Controls Limited
    Inventors: Julian R. Davis, Simon David Gill, Adrian John Derrick
  • Patent number: 8241009
    Abstract: The present invention relates to a system for reusing water, comprising: —a mains system which comprises at least one conduit for transporting water and monitoring means adapted to measure changes in an electrical parameter of the conduit; —a storage tank for storing supplied water; —a water discharge for discharging stored water to a water-consuming unit; and—a control system adapted to control the supply of water to and the discharge of water from the storage tank subject to the changes in the parameter measured by the monitoring means. The present invention also relates to a mains system applied in such a system, and to a method for monitoring such a system or water mains system.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: August 14, 2012
    Assignee: Ecoplay International B.V.
    Inventors: Johannes Donaes Jacobus Platteel, Sjoerd Pieter Wouda
  • Patent number: 8220482
    Abstract: A leak detection system for the rapid and accurate detection of the mean surface level change of a body of liquid is provided. The system is capable of sensing mean surface level changes under static or turbulent surface conditions. In one embodiment, the system includes a rigid walled sensor pod with at least one inner pod cavity that is so positioned to receive liquid from a body of liquid by way of an opening below the surface of the liquid such that dynamic equilibrium is possible and maintained between the mean surface level of the body of liquid and the amount of liquid in the inner cavity. The system further includes a sensor assembly having a stiction free float operating in conjunction with a strain gauge, and microprocessors applying algorithms to process, display, and report the sensor data in accordance with the needs of the end user or to initiate actions for automated control functions.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: July 17, 2012
    Assignee: Kona Labs LLC
    Inventors: Richard DeVerse, Van R. Malan
  • Publication number: 20120152374
    Abstract: The present invention provides a smart water flow apparatus capable of maintaining a desired level of water in a reservoir while having an override or shutoff feature that is programmable to address variations in water pressure or to prevent flooding.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 21, 2012
    Inventor: Ron Hymes
  • Patent number: 8175754
    Abstract: A method of providing configuration information for a process fluid flow device is provided. The method includes receiving a process fluid selection and providing at least one selectable fluid property relative to the selected process fluid and receiving at least one process fluid property selection. Information relative to a primary element is also received. Reception of a reset relative to the process fluid selection, the process fluid property, and the primary element selection, clears the respective information. The configuration information is provided to a process fluid flow device based on the process fluid selection, the process fluid property and the primary element information.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: May 8, 2012
    Assignee: Rosemount Inc.
    Inventor: David E. Wiklund
  • Patent number: 8091579
    Abstract: A level sensor for providing an indication of liquid level in a container. The level sensor including an ultrasonic transducer for emitting an ultrasonic signal to the surface of the liquid and for detecting a return signal, reflected from the surface. A controller instructs the transducer to emit ultrasonic signals and receives an indication that a return signal has been detected. The controller including a timer for measuring the time period between emission of the ultrasonic signal and receipt of a return signal, the determined time period providing an indication of the liquid level. A radio transmitter receives an indication of the liquid level and transmits a radio liquid level signal to a remote output unit.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: January 10, 2012
    Inventors: Hugh Corum Sintes, Mario Brian Daniel Becroft, Raymond John Pryor, Andrew Bryce Smith
  • Patent number: 8065759
    Abstract: A monitor embodiment, monitoring overflow levels in a bathtub, comprises an input water unit, including a control circuitry, coupled to a hot-cold water facet; a water level detection unit including telescopically joined tubes with a floatable lowest tube associated with an indicator, an uppermost tube fixed to the input unit, sensors attached to non-lowest tubes variably coupled. The sensors detect the indicator's position reaching a predetermined alarm or shutoff level, causing respective initiating an alarm signal, or terminating the input unit's water flow. Another embodiment additionally comprises an output water unit associated with the circuitry, incorporating a temperature sensor and a user preset-temperature selector. The output unit outlets cooled water from the bathtub, the input unit inlets hot water until the preset-temperature is reached, provided no alarm signal was issued. An additional sensor, incorporated in the input unit, allows adding the hot water when it's hotter than the bathtub water.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: November 29, 2011
    Inventors: Aleksandr Smushkovich, Eugene Pogrebinsky
  • Patent number: 7992527
    Abstract: A water feed controller which can provide for the addition of a preset fixed amount of water to be added after a low water condition is removed. This system provides for a preset fixed amount of water to be added to a boiler above the amount which triggers the low water condition. This generally inhibits excess cycling from the boiler operating at its minimum safe water level as well as inhibiting overfilling of the boiler. Further, there is discussed a water feed controller which can measure the amount of water added over a prior predetermined period (such as 30 days) which serves as a floating window of time so that a leak or other condition resulting in overly frequent filling can be detected quickly.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: August 9, 2011
    Assignees: Potter Electric Signal Company, LLC, Taco, Inc.
    Inventor: Jeffrey C. Merwin
  • Patent number: 7907059
    Abstract: A sewage pipe alarm system includes a portable case seated exterior of the existing pipe. The system further includes a mechanism for detecting a blockage of fluid flow within the existing pipe by determining whether an internal water level within the existing pipe exceeds a threshold water level within the existing pipe. The system further includes a mechanism for notifying a user about the blockage of the existing pipe and a power supply source housed within the case. Such a power supply source is electrically coupled to the detecting mechanism and the notifying mechanism respectively.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: March 15, 2011
    Inventor: James Guy
  • Patent number: 7849871
    Abstract: A water controlling kit is connected to the fluid system, of a fire truck for example, used for pumping water to one or more fire hoses. The kit has a water level gauge, a signaling element and a control valve and is adapted to maintain the pressure at the inlet of the pump of the fire truck within a preselected range of about 1.5 to about 3 psi. during discharge from the pump and pressure fluctuations of the pressurized water supply supplying water to the fire truck reservoir.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: December 14, 2010
    Assignee: JNT Link, LLC
    Inventors: John E. McLoughlin, Neocles G. Athanasiades, Toh K. Meng
  • Patent number: 7779858
    Abstract: A valve assembly, such as a tap for a liquefied gas cylinder, includes an overfill protection device and a liquid level gauge having an electrode assembly comprising a pair of lamellar electrodes mounted closely adjacent a housing member of the overfill protection device and deflectable into close proximity with a float of the overfill protection device for insertion into the gas cylinder. A circuit board is provided, preferably mounted on the electrode assembly, and has an electronic converter circuit for measuring the electrical capacitance between the electrodes and producing in response to the measured capacitance an output signal representative of the liquid level in the container. A display means is mounted on a body of the valve assembly or remote therefrom, to indicate the liquid level in the container in response to the output signal from the electronic converter circuit.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: August 24, 2010
    Assignee: Torrent Trading Ltd.
    Inventors: Jean-Claude Schmitz, Linze Hoekstra
  • Publication number: 20100032026
    Abstract: A monitoring device including first detector means of a flow rate of operative fluid in an electric household appliance towards a tank of the electric household appliance and second detector means of the level of such a fluid in the tank; wherein the first and second detector means are operatively and reciprocally associated to issue a single signal (S) characterised by at least two different parameters, a first parameter (F) correlated to the flow rate of the fluid and a second parameter (A) correlated to the level of fluid in the tank.
    Type: Application
    Filed: December 11, 2007
    Publication date: February 11, 2010
    Applicant: ITW INDUSTRIAL COMPONENTS S.R.L. CON UNICO SOCIO
    Inventor: Sergio Giordano
  • Publication number: 20090139584
    Abstract: A valve assembly, such as a tap for a liquefied gas cylinder, includes an overfill protection device and a liquid level gauge having an electrode assembly comprising a pair of lamellar electrodes mounted closely adjacent a housing member of the overfill protection device and deflectable into close proximity with a float of the overfill protection device for insertion into the gas cylinder. A circuit board is provided, preferably mounted on the electrode assembly, and has an electronic converter circuit for measuring the electrical capacitance between the electrodes and producing in response to the measured capacitance an output signal representative of the liquid level in the container. A display means is mounted on a body of the valve assembly or remote therefrom, to indicate the liquid level in the container in response to the output signal from the electronic converter circuit.
    Type: Application
    Filed: January 9, 2009
    Publication date: June 4, 2009
    Applicant: TORRENT TRADING LTD.
    Inventors: Jean-Claude Schmitz, Linze Hoekstra
  • Patent number: 7509974
    Abstract: A metallic ball has a sliding sleeve, a shell, at least one magnet and a mounting bracket. The sliding sleeve has an open upper end, an open lower end and an outer surface. The shell is spherical, is mounted securely around the sliding sleeve between the open upper end and the open lower end of the sliding sleeve and has a reinforcing disk mounted around the outer surface of the sliding sleeve and has a top surface and may have a protruding portion. The magnet is on the top surface of the reinforcing disk. The mounting bracket is mounted around the sliding sleeve and on the top surface of the reinforcing disk to cover the magnet and has a wall extending toward and engaging the reinforcing disk and completely covering the magnet to effectively avoid the magnet being broken or damaged.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: March 31, 2009
    Assignee: Finetek Co., Ltd.
    Inventor: Ting-Kuo Wu
  • Patent number: 7487793
    Abstract: A valve assembly, such as a tap for a liquefied gas cylinder, includes an overfill protection device and a liquid level gauge having an electrode assembly comprising a pair of lamellar electrodes mounted closely adjacent a housing member of the overfill protection device and deflectable into close proximity with a float of the overfill protection device for insertion into the gas cylinder. A circuit board is provided, preferably mounted on the electrode assembly, and has an electronic converter circuit for measuring the electrical capacitance between the electrodes and producing in response to the measured capacitance an output signal representative of the liquid level in the container. A display means is mounted on a body of the valve assembly or remote therefrom, to indicate the liquid level in the container in response to the output signal from the electronic converter circuit.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: February 10, 2009
    Assignee: Torrent Trading Ltd.
    Inventors: Jean-Claude Schmitz, Linze Hoekstra
  • Publication number: 20080017252
    Abstract: An electronic control device for a pump, particularly for transferring liquids, comprising a central control unit, which is adapted to drive an electric motor which is designed to operate the pump, at least one motor temperature sensor, which is adapted to send a temperature signal to the control unit, at least one motor current sensor, which is adapted to send a current signal to the motor, and at least one power switch, which is adapted to drive the motor, the power switch being driven by the control unit in order to control the motor according to the signals of the temperature sensor and the current sensor.
    Type: Application
    Filed: July 12, 2007
    Publication date: January 24, 2008
    Inventor: Otto Varini
  • Patent number: 7240690
    Abstract: A valve assembly, such as a tap for a liquefied gas cylinder, includes an overfill protection device and a liquid level gauge having an electrode assembly comprising a pair of lamellar electrodes mounted closely adjacent a housing member of the overfill protection device and deflectable into close proximity with a float of the overfill protection device for insertion into the gas cylinder. A circuit board is provided, preferably mounted on the electrode assembly, and has an electronic converter circuit for measuring the electrical capacitance between the electrodes and producing in response to the measured capacitance an output signal representative of the liquid level in the container. A display means is mounted on a body of the valve assembly or remote therefrom, to indicate the liquid level in the container in response to the output signal from the electronic converter circuit.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: July 10, 2007
    Assignee: Torrent Trading Ltd.
    Inventors: Jean-Claude Schmitz, Linze Hoekstra
  • Patent number: 7237409
    Abstract: A safety valve mounted in a steam cleaner is provided. The safety valve comprises a cap assembly, an actuation assembly, and a lock assembly. A rotation of the cap is adapted to detach the cap assembly when the steam cleaner is not operating or steam pressure inside the steam cleaner has not reach a safety value since the legs of the clutch are engaged with the notches of the driving disk. Responsive to generated steam reaching the safety value, the steam passes through the valve to lift the pushing member for compressing both the actuating member and the spring and disengaging the legs from the notches prior to exiting the steam cleaner such that rotating the cap will not rotate the lock assembly.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: July 3, 2007
    Assignee: Uni-Splendor Corp
    Inventor: Yu-Yuan Lin
  • Patent number: 7207318
    Abstract: A method for operating a converter for the energy conversion of fuel from at least one main fuel supply, and from at least one auxiliary fuel supply for operating the converter directly and/or by operating an auxiliary unit, comprises: detecting the amount of fuel in the main fuel supply; detecting the amount of fuel in the auxiliary fuel supply, at least with respect to a predetermined minimum amount; in response to the minimum amount being reached, generating a signal that blocks at least one of a) filling of the main fuel supply, and b) startup of the converter via a control unit; and deactivating the blocking in response to the auxiliary fuel supply being replenished.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: April 24, 2007
    Assignee: FEV Motorentechnik GmbH
    Inventors: Gerhard Lepperhoff, Helmut Pleimling
  • Patent number: 7171993
    Abstract: A beverage dispenser for filling a container preferably has a nozzle through which the beverage is discharged and a pivoting lever located underneath the nozzle that detects the placement of a container so as to regulate the actuation of the dispenser. A conductive probe is in line with the discharged beverage stream, the lever also being conductive. A signal generator generates a varying-over-time signal that is applied to the probe or lever. As a result of beverage overflowing the container, the beverage stream establishes a conductive path between the probe and lever. The signal through this conductive path is compared to the signal produced by the signal generator. If the signals are substantially identical for a select period of time, the dispensing system is considered to be in an overflow state, and beverage dispensing is terminated.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: February 6, 2007
    Assignee: PepsiCo, Inc.
    Inventors: Timothy W. Bethuy, Andrew D. Nelson, Gary Blank, Anthony V. Salsich
  • Patent number: 7161492
    Abstract: A device, having a container for holding a fluid moving therein and a conductance probe installed therein for providing a conductance signal indicating whether it is in contact with the fluid, features a jiggler arrangement having a jiggler arranged on the conductance probe so as to form a mechanical self-cleaning conductance probe, which responds to movement of the fluid, for wiping the conductance probe to keep deposits from building up on the conductance probe. The jiggler arrangement may include one or more grooves thereon so that the jiggler can be loosely fitted on the tip between one or more retaining rings arranged in the one or more grooves. The jiggler arrangement may include one or more retaining rings snap-fit on the tip for loosely arranging and retaining the jiggler on the tip.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: January 9, 2007
    Assignee: ITT Industries
    Inventors: John E. Branzell, Christopher J. Thomson
  • Patent number: 7156116
    Abstract: A method, system, and computer program are provided for operating a valve using a cushion filter. The method, system, and computer program receive a process variable signal associated with operation of a valve. The method, system, and computer program filter the process variable signal to produce a filtered process variable signal using a cushion filter. The cushion filter implements a cushion in a bias used by the cushion filter. The method, system, and computer program generate an output signal for adjusting the valve based at least partially on the filtered process variable signal.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: January 2, 2007
    Assignee: Honeywell International Inc.
    Inventor: Joseph Z. Lu
  • Patent number: 7093611
    Abstract: A water feeder controller for a boiler monitors a low water cutoff sensor in a boiler and uses a feed timer to feed water to the boiler for a predetermined feed period of time. The feed timer brings the water level in the boiler well above the low water cutoff sensor. The feed timer supplies water to the boiler only if the low water cutoff sensor continues to indicate a low water level for a delay period of time measured by a delay timer. A resettable display indicates the quantity of water supplied by the water feeder to the boiler based on a feed counter incremented during water feeding. A manual feed button allows water to be manually fed to the boiler. The quantity of water manually supplied to the boiler is also shown on the display. The feed timer and delay timer are preferably implemented in software in a microcontroller in the water feeder controller. A lockout loop in the software prevents overfeeding of water to the boiler in the event of a failure of the low water cutoff sensor.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: August 22, 2006
    Assignee: C. Cowles & Company
    Inventors: Christopher L Murray, Richard A Lyons
  • Patent number: 6964278
    Abstract: An apparatus is disclosed for electronically and non-invasively sensing liquid level in a boiler or other liquid-containing vessel. The apparatus, comprising a sensor and sensor integrated circuit can be uniquely designed for external attachment to any commercially available gauge glass used for visually determining liquid level in a boiler and other liquid-containing vessels. The apparatus, which employs proximity level-sensing technology, is suitable for determining liquid level provided the liquid-containing boiler or vessel is metallic and the liquid is electrically conductive, for example water and other aqueous solutions. The apparatus can additionally comprise at least one, preferably two externally located electrical pushbutton switches, for example “water feed” and “test”, for manually adding water to the boiler and for testing the apparatus' proper working condition with a simulated low water condition, respectively.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: November 15, 2005
    Inventor: Thomas Tschanz
  • Patent number: 6935367
    Abstract: A fluid level control apparatus for selectively controlling the movement of liquid flowing out of a flotation cell is described. The fluid level control apparatus is significantly reduced in size in comparison with the flotation cell or cells to which it is connected which enables less expensive construction and reduced operating costs in terms of both the equipment and the plant as a whole. The fluid level control apparatus comprises a vessel having a valve positioned therein which includes a valve body structured with a curved surface which provides selective and finite control of fluid flowing through the vessel of the control apparatus. In one embodiment at least one of the inlet and outlet of the control apparatus exhibit a cross-sectional area taken transverse to the intended fluid flow therethrough having a substantially horizontal dimension which is greater than a substantially vertical dimension.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: August 30, 2005
    Assignee: GL&V Management Hungary KFT.
    Inventors: Robert D. Cook, Jerry W. Hunt
  • Patent number: 6926028
    Abstract: A water feeder controller for a boiler monitors a low water cutoff sensor in a boiler and uses a feed timer to feed water to the boiler for a predetermined feed period of time. The feed timer brings the water level in the boiler well above the low water cutoff sensor. The feed timer supplies water to the boiler only if the low water cutoff sensor continues to indicate a low water level for a delay period of time measured by a delay timer. A resettable display indicates the quantity of water supplied by the water feeder to the boiler based on a feed counter incremented during water feeding. A manual feed button allows water to be manually fed to the boiler. The quantity of water manually supplied to the boiler is also shown on the display. The feed timer and delay timer are preferably implemented in software in a microcontroller in the water feeder controller. A lockout loop in the software prevents overfeeding of water to the boiler in the event of a failure of the low water cutoff sensor.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: August 9, 2005
    Assignee: C. Cowles & Company
    Inventors: Christopher L. Murray, Richard A. Lyons
  • Patent number: 6910498
    Abstract: A liquid level control system for detecting and responding to changes in the level of liquid in a container. The system includes a transmitter in radio communication with a receiver, which is in turn connected to a valve assembly. The transmitter unit is programmable to respond to changes in the level of liquid in a container and to emit a radio signal receivable by the receiver unit, which controls the release of liquid to the liquid container via the valve assembly. The signal may be suppressed by a timing circuit in the transmitter circuitry unless and until a liquid level change is sufficiently sustained. The receiver is also programmable to keep the liquid control valve open a predetermined amount of time or to close the valve upon receipt of a high liquid level signal.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: June 28, 2005
    Inventor: Michael L. Cazden