Entries |
Document | Title | Date |
20080314118 | Packaging multiple measurands into a combinational sensor system using elastomeric seals - A combinational sensor system for measuring multiple measurands includes a flow transducer, a pressure transducer and a humidity transducer. The pressure and humidity transducers are provided with independent access to sensed media and are ratiometric to a supply voltage, whereas the flow sensor is sensitive to openings to the flow path. The combinational sensor system utilizes elastomeric seals that include patterned electrically conductive and non-conductive seals. An ASIC is generally associated with the combinational sensor, and is located on a patterned electrically conductive substrate lead frame or for signal conditioning in order to detect any of the sensed measurands. The transducers can be arranged in a manner that distributes the transducers to optimize the accuracy and response time of the combinational sensor system. | 12-25-2008 |
20090064761 | Device for detecting a measured value - A device for detecting a measured value includes a measuring transducer and a channel sensor, which is implemented as an essentially cylindrical tube having a first end and a second end and may be mounted in a wall when the measuring transducer is situated on the channel sensor. A detachable fastening device is included for fastening the measuring transducer to the channel sensor and may be disposed between the measuring transducer and the channel sensor. The channel sensor may be connected to the measuring transducer via a cable. | 03-12-2009 |
20090107214 | TERAHERTZ SENSOR TO MEASURE HUMIDITY AND WATER VAPOR - A first frequency of electromagnetic radiation and a second frequency of electromagnetic radiation are received at a detector. The first and second frequencies of electromagnetic radiation are transmitted through a medium within a frequency range of approximately 0.1 TeraHertz to approximately 10 TeraHertz. Signals are generated that are proportional to the transmittance of the frequencies of electromagnetic radiation through the medium. A ratio of the of the signals is formed, and one or more of a relative humidity, an absolute humidity, and a water vapor concentration of the medium are calculated as a function of a temperature of the medium, the ratio, and a set of functional parameters associated with the temperature of the medium. | 04-30-2009 |
20090255323 | PROTON EXCHANGE MEMBRANE FUEL CELL HUMIDITY SENSOR - A humidity sensing device for determining the amount of humidity in at least one primary fluid stream that is passed to a fuel cell stack is provided. The sensing device includes an outer housing and an inner housing. The outer housing is positioned within at least one conduit such that the outer housing and the conduit coact with each other to generate at least one secondary fluid stream from the primary fluid stream. The inner housing is positioned within the outer housing such that the inner housing is configured to receive the secondary fluid stream and to measure an amount of water present in the secondary fluid stream to determine the amount of humidity in the primary fluid stream. | 10-15-2009 |
20100005857 | Interactive mobile aquatic probing and surveillance system - An Interactive Mobile Aquatic Probing and Surveillance system. The system includes a remote aquatic or amphibious agent which is controlled by a typically land-based computer host. The agent is a field robot in the form of a comparatively small and inexpensive, untethered, self-propelled, aquatic or amphibious, non-submersible vehicle that preferably carries physical and water characteristic sensors, as well as other operational equipment for use on relatively small bodies of water and wetlands. The host interacts with a human operator and provides control commands to and receives data from the agent in real time via a wireless communication between the agent and the host. The control commands include guidance commands including navigational and propulsion commands as well as commands for operating the sensors and various other equipment carried by the agent. | 01-14-2010 |
20100011837 | ARRANGEMENT AND METHOD FOR PROTECTIVE-GAS MEASUREMENT - The invention relates to an arrangement and a method for measuring a protective gas ( | 01-21-2010 |
20100043529 | NANOFIBERS AND METHODS OF MAKING SAME AND USING SAME IN HUMIDITY SENSORS - A new type of highly efficient and self-cleaning humidity sensor based on Mg | 02-25-2010 |
20100058835 | SENSOR FOR HUMIDITY AND MANAGEMENT SYSTEM THEREFOR - The present invention relates to a sensor for humidity, etc. which has high precision, very small electrical power consumption and simplified composition, and a management system therefor. The sensor and the management system therefor according to the present invention are also economical. The sensor according to the present invention comprises two electrode pads and an absorption layer for absorbing moisture, etc. between them, and detects a capacitance variation and a resistance variation between the electrode pads, measuring humidity, etc. in real time. In the sensor, one or both of the electrode pads can be made by printing or coating a conductive material on a paper pad or a fabric pad in a mesh shape of fine lines. Or the electrode pads can be fabrics with fine thread of a mesh-type electric conductor coated by an absorptive material having an insulating property. | 03-11-2010 |
20100206046 | FLOW-THROUGH PRESSURE SENSOR APPARATUS - A flow-through pressure sensor apparatus that reduces the dead space of a flow tube utilized to provide fluid communication between a pressure sense die and a fluid and with an absolute minimum trapped volume. A cover (e.g., plastic) with two-molded ports can be added to one side of the pressure sense die utilizing molded-in solder pins to improve ruggedness and rigidity. A temperature and a humidity sensor can also be mounted to a substrate (e.g., ceramic) in the flow path and can be connected to a programmable compensation integrated circuit on the opposite side utilizing a clip end of mounting pins or by vias through the substrate outside a pressurized area. | 08-19-2010 |
20100206047 | APPARATUS FOR DETECTING FOGGED WINDOW OF VEHICLE - A fog sensing apparatus for vehicle windows is provided. The fog sensing apparatus includes: a temperature/humidity sensor module including a glass surface temperature sensor for measuring a temperature of a glass surface of the vehicle window, and a humidity sensor for measuring relative humidity around the glass surface of the vehicle window; a flexible printed circuit board on which the temperature/humidity sensor module is mounted, which a temperature measurement part of the glass surface temperature sensor contacts, and on which a conductive pattern is formed to be connected to electrode terminals of the glass surface temperature sensor and electrode terminals of the humidity sensor; a substrate assembly having a through hole for the temperature/humidity sensor module to pass through, and connection terminals connected to the conductive pattern; and a case covering the substrate assembly, the substrate assembly interposed between the case and the flexible printed circuit board. | 08-19-2010 |
20100257918 | METHOD FOR DETERMINING EXPECTED WATER UPTAKE IN HYGROSCOPIC MATERIAL - Some embodiments relate to methods and processes for determining how a range of weather conditions can affect a selected physical parameter of a material. In some embodiments the weather conditions can include relative humidity and/or temperature, and the selected physical parameter can be mass and or dimensions. For instance, some embodiments can be used to estimate the amount of water that a material may be expected to absorb under in-service conditions. In some embodiments the amount of water can defined by a range bounded by amounts observed at opposing extremes of simulated conditions. | 10-14-2010 |
20100288016 | Device and Method for Measuring the Geometry of a Workpiece - In order to improve a device for measuring the geometry of a workpiece in such a way that the geometrical measurements are particularly precise wherein the device comprises a housing having a flow channel in which there is arranged a reference nozzle for the passage of a test fluid therethrough and a first pressure measuring device for measuring a first pressure of the test fluid upstream of the reference nozzle and also a second pressure measuring device for measuring a second pressure of the test fluid downstream of the reference nozzle, it is proposed that the device should comprise a differential pressure measuring device for measuring the differential pressure of the test fluid across the reference nozzle. | 11-18-2010 |
20100300180 | METHOD AND DEVICE FOR DETECTING THE COMPOSITION OF GAS MIXTURES - A method for detecting the composition of an unknown gas mixture (M | 12-02-2010 |
20110005301 | Perspiration Simulator - The present invention provides an apparatus and method for simulating the thermal and perspiratory properties of human skin. The present invention provides an apparatus capable of being formed into any anthropometric form to emulate the thermal and perspiratory properties of an equivalent human part. The apparatus generally comprises thermally controlled, contoured, skeletal structure, typically made of metal, which can be split into any number of individually heated zones. The skeletal structure is covered with a correspondingly contoured soft synthetic polymer skin, incorporating any number of sweat zones, which is adhered to the skeletal structure. Each sweat zone is comprised of a reservoir of artificial perspiration embedded into the reverse of the skin punctured with wicking threads leading to the surface of the skin. Each sweating zone is individually dosed using a controllable pump, and a network of valves direct the sweat flow. | 01-13-2011 |
20110011161 | METHOD FOR ESTIMATING PROPERTIES OF CONCRETE - Provided are procedures for estimating the amount of water vapor emissions as well as other properties, such as slump and volume yield, of a concrete or cementitious mix used in producing a concrete. | 01-20-2011 |
20110061445 | SENSOR ARRANGEMENT - A sensor arrangement includes an optical sensor, a non-optical sensor, a sensor holder, and main and flexible interconnect devices. The sensor arrangement can be fixed to a vehicle window by the sensor holder. The sensor holder is in the form of a sensor housing having a sensor housing cover and a second housing body attached to one another. The sensor housing cover and the sensor housing body each have corresponding bracket sections which form a bracket connected to the sensor housing. The main interconnect device is positioned within the sensor housing. The optical sensor is connected to the main interconnect device. The flexible interconnect device is connected to the main interconnect device and extends from the main interconnect device to the bracket connected to the sensor housing. The non-optical sensor is connected to the flexible interconnect device within the bracket and is held by the bracket. | 03-17-2011 |
20110088455 | DEVICE AND METHOD FOR HUMIDITY ESTIMATION - A humidity estimation device connected with an air-conditioner includes a charge airflow rate estimation (CARE) unit, a charge air absolute humidity estimation (CAAHE) unit, an indoor generated vapor amount estimation (IGVAE) unit, and an indoor absolute humidity estimation (IAHE) unit. The CARE unit calculates an estimated charge airflow rate (ECAR) of the air-conditioner based on operation control information of the charge fan and a preset fan differential pressure. The CAAHE unit calculates an estimated charge air absolute humidity (ECAAH) of the air-conditioner based on a charge air temperature and a preset charge air relative humidity. The IGVAE unit calculates an estimated indoor generated vapor amount (EIGVA) based on an indoor temperature, the number of persons in the room and activity index values of the persons. The IAHE unit calculates an estimated absolute humidity in the room based on the ECAR, the ECAAH and the EIGVA. | 04-21-2011 |
20110094292 | Apparatus for air property measurement - An air property measurement apparatus comprising a probe and controller. The probe houses a plurality of filters, a temperature sensor, a heating element, and an integrated temperature and relative humidity sensor. In one embodiment, air that enters the probe flows through the temperature sensor, heating element, and integrated temperature and relative humidity sensor, then exits through at least one of the plurality of filters. The controller-determines the air/gas property relationships, allows input of actual ambient pressure and/or atmospheric pressure values, and ascertains the dew point using temperature and relative humidity values as measured by the integrated sensor. Air property values are based on the dew point and temperature as measured by the temperature sensor. The apparatus is suitable for but not limited to relative humidity measurements as well as industrial applications where high humidity conditions exist. In HVAC applications the apparatus provides improved economizer and cooling tower control. | 04-28-2011 |
20110113857 | ONLINE ESTIMATION OF CATHODE INLET AND OUTLET RH FROM STACK AVERAGE HFR - A method for estimating cathode inlet and cathode outlet relative humidity (RH) of a fuel cell stack. The method uses a model to estimate the high frequency resistance (HFR) of the fuel cell stack based on water specie balance, and also measures stack HFR. The HFR values from the estimated HFR and the measured HFR are compared, and an error between the HFR values is determined. An online regression algorithm is then utilized to minimize the error and the solution of the regression is the RH profile in the stack including the cathode inlet and outlet relative humidities. | 05-19-2011 |
20110132071 | AIRFLOW BENCH WITH LAMINAR FLOW ELEMENT - A testing system includes a single air collection box and a laminar flow system for obtain an airflow measurement. The single airflow box has air inlet and outlet ports at opposite ends. The laminar flow element has a laminar flow element inlet in fluid communication with the air collection box and a laminar flow element outlet sealed with the air outlet port of the air collection box. A blower in fluid communication with the laminar flow element outlet draws airflow into the air collection box through a unit under test and out of the air collection box through the laminar flow element. A pressure transducer senses the differential air pressure across the laminar flow element and enables a determination of the airflow rate. | 06-09-2011 |
20120036918 | APPARATUS, DEVICE AND METHOD FOR ARRANGING AT LEAST ONE SAMPLE CONTAINER - An apparatus for arranging at least on sample container inside an optical measuring device includes a carrier for arranging the sample container and a ventilation device. The ventilation device is arranged adjacent to the carrier and is provided with at least one air outlet arranged above the carrier. The ventilation device includes at least one heating element for generating an airflow and heating up the airflow. | 02-16-2012 |
20120096926 | ADHESIVE ASSEMBLY AND ASSEMBLY AND REINFORCEMENT METHODS COMPRISING THE USE THEREOF - An adhesive assembly is provided in particular for assembling a novel element on a structure or further for reinforcing a structure. The adhesive assembly includes a substrate, a rigid element placed with an interval relative to the substrate, at least one seal compressed between the substrate and the rigid element and defining a sealed space within said interval, and a hardened adhesive occupying said space. The seal is compressed by the rigid element that is held on the substrate by the hardened adhesive. | 04-26-2012 |
20120192622 | GEO-LOCATION SYSTEMS AND METHODS BASED ON ATMOSPHERIC PRESSURE MEASUREMENT - System and method for geo-location of a device (such as a tag) using barometric pressure readings taken in the vicinity of the device and correlated to datasets of barometric pressure that have pressure gradients over time and space. The readings taken in the vicinity of the device may be correlated to the datasets using an iterative Bayesian approach to determine a geo-location of the device with a high degree of confidence. | 08-02-2012 |
20120234078 | SENSOR DEVICE - A sensor device determines an amount of liquid contained or stored in an object to be tested. The sensor device contains at least one heating element and at least one humidity sensor. When operated, the sensor device defines at least one volume which can be sealed off by placing the device on the surface of the object to be tested. The heating element is configured to heat at least part of a surface of the object delimiting the volume, the humidity sensor measuring the humidity in the interior of the volume. | 09-20-2012 |
20130118232 | METHOD AND DEVICE FOR MONITORING A HUMIDITY SENSOR IN A COMBUSTION ENGINE, USING OXYGEN MEASUREMENT OF OTHER SENSORS IN THE ENGINE, SUCH AS NOX, LAMBDA AND/OR OXYGEN SENSORS - The present invention provides for a method and device for monitoring an ambient humidity sensor in a combustion engine, where the monitoring of the ambient humidity sensor is made by comparing the ambient humidity measured by said humidity sensor and an ambient humidity determined from an oxygen measurement of at least another sensor in the engine system, such as a NOX, or Lambda and/or an oxygen sensor. Said comparison is made using an offset of the oxygen signal reading of said at least another sensor, in a fuel cut condition where the drift or offset of said another sensor is related to the variation of the ambient humidity. | 05-16-2013 |
20130133404 | APPARATUS AND METHOD FOR DETECTING MOLD GROWTH CONDITIONS - A system for detecting a mold condition has a base unit configured to receive and display the temperature and the humidity from a remote sensing unit. The base unit is configured to determine if a mold condition is present at a location of the remote sensing unit based on a time interval the remote sensing unit detects the humidity and the temperature above predetermined thresholds, and display an indicator if the mold condition is present. A method of detecting a mold condition includes wirelessly transmitting a detected humidity and temperature from a sensing unit to a base unit, monitoring the temperature and the humidity across a time interval, and providing an indicator if the mold condition is present when the temperature and the humidity are above predetermined thresholds for the time interval. | 05-30-2013 |
20130174644 | Test method for a humidity sensor and sensor module for same - A method for operating a sensor module having a humidity sensor for ascertaining the relative humidity, at least one first measured value for the relative humidity being ascertained with the aid of the humidity sensor. It is provided that an ambient temperature in the area of the humidity sensor is changed with the aid of a temperature control device; at least one second measured value for the relative humidity is ascertained with the aid of the humidity sensor after the change in ambient temperature in the area of the humidity sensor; and an operating state and/or a proper operation of the humidity sensor is inferred as a function of the first and second measured values. | 07-11-2013 |
20130180315 | DEVICES, SYSTEMS AND METHODS FOR PURGING AND LOADING SORBENT TUBES - Certain embodiments described herein are directed to devices that can be used in purging and loading applications. In some examples, a device configured to purge a sorbent tube until a desired water level is reached is provided. In other examples, a device configured to load a sorbent tube with a desired water level is provided. Systems and methods using the devices are also described. | 07-18-2013 |
20130192342 | ATMOSPHERIC HUMIDITY OR TEMPERATURE OR CLOUD HEIGHT MEASURING METHOD AND APPARATUS - An atmospheric cloud height, humidity profile, or temperature measuring method and arrangement are provided. In the method, pulsed laser signals ( | 08-01-2013 |
20130219994 | COMBINED ENVIRONMENTAL PARAMETER SENSOR - A combination sensor and corresponding method of measuring a plurality of environmental parameters uses a pressure sensor disposed on an integrated circuit die; a humidity sensor disposed on the integrated circuit die; and a circuit coupled to and shared by the pressure sensor and the humidity sensor to facilitate pressure and humidity sensing | 08-29-2013 |
20130340500 | SENSOR SYSTEMS AND MONITORING SYSTEMS - A method of monitoring a space to determine at least one change in state related to at least one activity includes analyzing an amount of water vapor in the air over time and relating a change in the amount of water vapor in the air over time to the at least one change in state. In a number of embodiments, the at least one change in state is related to a kitchen activity which causes a change in the amount of water vapor in the air. Changes in dew point over time may, for example, are determined. In a number of embodiments, changes in dew point over time are determined by measuring temperature and relative humidity over time and determining dew point from measured temperature and measured relative humidity. Changes in dew point over time may, for example, used to identify or distinguish the activity from a plurality of possible activities associated with the change in state. At least one of change in dew point, change in relative humidity and change in temperature over time may be used (either alone or in any combination thereof) to identify the activity associated with the change in state. | 12-26-2013 |
20140076026 | RELATIVE HUMIDITY SENSOR - The present disclosure provides a relative humidity sensor including a sensor electronics assembly that is encased in a body assembly that protects the sensor electronics assembly. A humidity sensor element, though, remains exposed to the ambient environment through an aperture in the body assembly. One or more filter(s) comprising a porous membrane can cover the aperture at different locations within the humidity sensor. The filter can be attached during the construction of the body assembly thereby simplifying the manufacture of the humidity sensor. | 03-20-2014 |
20140076027 | Humidity Sensing System - A humidity sensor and filter assembly are housed within a cylindrical barrel that is positioned in a process gas stream such as combustion flue gas. A portion of sample flue gas is conducted through the barrel and the filter assembly past the sensor located inside the filter so that accurate humidity measurements can be taken. Unwanted flue gas particulate matter accumulated on the outside surface of the filter is ejected by pulsed purge gas admitted into the filter to reverse the flow through the filter. In one embodiment a heat exchange chamber preheats the purge gas. In another embodiment the pulsed purge is supplied by a reciprocal piston contiguous with the internal volume of the filter that reverses the flow through the filter using the process gas. | 03-20-2014 |
20140096592 | Method and apparatus for measuring and recording real time environmental conditions at target shell locations during the shell building process - An investment casting shell substrate sensor method and apparatus comprising a hollow probe | 04-10-2014 |
20140102175 | Pumped Air Relative Humidity and Temperature Sensing System with Optional Gas Assay Functionality - A distributed relative humidity and temperature sensing system with optional gas assay functionality, comprising a sample head internally equipped with: 1) A relative humidity sensor; 2) A temperature sensor; 3) A gas sample port for the attachment of a gas assay device, or, an integral gas assay device; and, 4) A fan. The sample head is attached to a semi-rigid sample tube embedded in a stored mass of agricultural product and the aforementioned fan causes air from within the stored mass to be drawn through the sample head where its relative humidity, temperature, and optionally, chemical composition may be studied. An alternative embodiment allows for the deployment of a complex network of sample tubes so that samples may be drawn as required from a number of points within the stored mass. | 04-17-2014 |
20140250979 | STEAM QUALITY MEASUREMENT SYSTEM - A system and method for continually and automatically measuring the quality of steam includes a steam dryness/superheat meter and a non-condensable gases (NCG) meter. The steam dryness meter includes a throttling calorimeter through which a steam sample enters at atmospheric pressure, sensors for sensing the pressure and temperature of the stream before and after it enters the calorimeter, a controllable heat input for supplying any additional energy necessary to superheat the steam sample, and logic for deriving the dryness from the collected data. The NCG meter includes a cooler for condensing the steam sample reservoirs into which the liquid and non-condensable gases are entrapped and measured, and logic for continuously deriving the NCG ratio from the collected data. | 09-11-2014 |
20140260543 | METHOD AND APPARATUS FOR DETECTING MOISTURE IN PORTABLE ELECTRONIC DEVICES - The present invention provides a unique method and apparatus for the automatic detection of water in portable electronic devices, such as cell phones, digital music players, pagers, cameras, tablet computers and the like, after these units have been subjected to water, high-humidity conditions, or other unintended deleterious wetting agents that could render such devices inoperable. Such detection can be performed without any disassembly of the device required. At least one embodiment provides a user-controlled vacuum plenum that simultaneously scavenges air from within the portable electronic device while sampling the relative humidity to determine the level of water or moisture within the device. The relative humidity is sampled by a microcontroller and displayed on a user friendly interface to allow repair and retail shops to quickly determine whether the portable electronic device contains water or moisture within its enclosed interior. | 09-18-2014 |
20150068283 | HYGROMETER AND TEMPERATURE-HUMIDITY CHAMBER PROVIDED WITH SAME - A hygrometer includes a heat transfer section extending from a measurement space toward an outside space separated from the measurement space, a heat release amount control unit that causes heat to be released to the outside space from the heat transfer section such that an amount of heat released to the outside space is made constant, and a computation device that calculates a humidity of the measurement space. The computation device calculates the humidity from a heat transfer section temperature and a measurement space temperature using a relational expression based on a heat balance in the heat transfer section when condensation is occurring in a portion, of the heat transfer section, located within the measurement space in a state where the amount of heat released to the outside space from the heat transfer section is made constant by the heat release amount control unit. | 03-12-2015 |
20150369766 | SENSOR DEVICE FOR SENSING A HUMIDITY OF A FLUID MEDIUM - A sensor device includes a housing in which there is a measuring space, a humidity module at least partially disposed within the measuring space and that includes a humidity sensor element for sensing humidity of a fluid medium in the measuring space, and a first temperature sensor for sensing a temperature of the fluid medium in the measuring space, and an evaluation unit that performs a method of outputting a first temperature signal of the first temperature sensor that indicates the temperature of the fluid medium in the measuring space, correcting a humidity signal of the humidity sensor element using a second temperature signal, which indicates a temperature of the fluid medium in a region of the sensor device that is thermally decoupled from the evaluation unit, and outputting the corrected humidity signal indicating the humidity of the fluid medium in the measuring space. | 12-24-2015 |
20160033436 | GAS DETECTION APPARATUS - A gas detection apparatus ( | 02-04-2016 |
20160041114 | INTEGRATED MULTI-SENSOR MODULE - A semiconductor-based multi-sensor module integrates miniature temperature, pressure, and humidity sensors onto a single substrate. Pressure and humidity sensors can be implemented as capacitive thin film sensors, while the temperature sensor is implemented as a precision miniature Wheatstone bridge. Such multi-sensor modules can be used as building blocks in application-specific integrated circuits (ASICs). Furthermore, the multi-sensor module can be built on top of existing circuitry that can be used to process signals from the sensors. An integrated multi-sensor module that uses differential sensors can measure a variety of localized ambient environmental conditions substantially simultaneously, and with a high level of precision. The multi-sensor module also features an integrated heater that can be used to calibrate or to adjust the sensors, either automatically or as needed. Such a miniature integrated multi-sensor module that features low power consumption can be used in medical monitoring and mobile computing, including smart phone applications. | 02-11-2016 |
20160069831 | Sensor Module and Method for Producing the Sensor Module - A sensor module has a first sensor element and a second sensor element. The first sensor element and the second sensor element are accommodated in a common housing of the sensor module. The sensor module includes a conductor structure that comprises an electrode structure and a separate connection structure. The connection structure is connected in an electrically conductive manner to the first sensor element and the electrode structure is allocated to the second sensor element. | 03-10-2016 |