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Matches 1 - 50 out of 1,640

Document Document Title
WO/2017/216467A1
The subject of the present invention is a method for measuring the pressure (Pr, Pr') of a compressed gaseous fuel within a supply system (S') of an engine (M) of an automotive vehicle, using a pressure measurement device (D) comprising ...  
WO/2017/212559A1
In the present invention, a plurality of through-holes are formed in a metallic cylindrical pipe that composes the outer circumferential part of a fiber-in-metallic-tube that is provided to an optical fiber cable and has an optical fiber...  
WO/2017/208645A1
The present invention enables improving the precision of measurement of liquid flow volume and the reproducibility of measurements. This flow volume measuring device is provided with: a light source which emits light on to a site to be m...  
WO/2017/176160A1
The invention relates to lighting technology and provides for the veracity, reliability and precision of measurements. A time period for an on-state of a lamp is set, and a normalized luminous flux gradient is set as a ratio of the modul...  
WO/2017/173463A1
A system for monitoring the depth of water in a sump pit that comprises a hub in remote communication with a sensor. The sensor comprises a transducer for detecting the relative proximity of the water's surface. The system monitors the m...  
WO/2017/150476A1
An optical fiber sensor according to the present invention is provided with a first fixing member at a fixing position provided to a base member, the first fixing member fixing optical fibers to the base member in a state in which a fibe...  
WO/2017/141002A1
A sensor (2) is provided, having an acoustic resonator (18) for containing a fluid such as air and at least one transducer (22, 24) arranged to emit an acoustic signal into the acoustic resonator (18) in response to an excitation signal ...  
WO/2017/142921A1
Methods, apparatus, and systems are provided for sensing pressure. One example apparatus includes a housing having a first port, a chamber disposed in the housing and having a second port, wherein the second port is coupled to the first ...  
WO/2017/120219A1
An adapter for connection between a luminaire and a power input for powering the luminaire comprises circuitry for modulating light output of the luminaire to contain information, or circuitry for connection to a network so that signals ...  
WO/2017/113965A1
A high-resolution polarized low-coherence interferometric pressure measurement device, which is provided in sequence with, from an input end to an output end, a broadband light source (1), an optical fiber coupler (2), an optical fiber F...  
WO/2017/113542A1
An air conditioner, an installation specification inspection method therefor and an apparatus thereof, wherein the air conditioner installation specification inspection method comprises: when receiving an instruction to enter a designate...  
WO/2017/106699A1
A miniature pressure sensor has been designed based on an optical fiber with fiber bragg grating (FBG). The fiber can be attached to a portion of tubing by co-extrusion, braiding, gluing, or other equivalent methods, where the portion of...  
WO/2017/099602A1
The present document relates to a pressure sensor comprising a structural element, the structural element comprising a first and second structural part. The sensor further comprises a first cavity being in fluid connection with an exteri...  
WO/2017/089624A1
The invention relates to an optical pressure sensor, such as a microphone, being constituted by two membranes, but where the sound does not arrive perpendicular to the membrane, but comes in from the side. The membranes may be parallel a...  
WO/2017/080818A1
An gas gauge proximity sensor is described, the sensor comprising: a measurement gas flow channel having an measurement outlet configured to output a first gas flow towards a measurement object; an optical pressure sensor for comparing a...  
WO/2017/078083A1
This stress sensor comprises: a light source which emits light of a first wavelength and light of a second wavelength that is different from the first wavelength; and an optical waveguide on which the light of the first wavelength and th...  
WO/2017/069620A1
The invention relates to a photonic integrated circuit (PIC) for use in a pressure sensing system comprising an integrated photonic component (IPC), configured to be exposed to an external pressure and to generate a wavelength response b...  
WO/2017/065036A1
The objective of the present invention is to provide an internal pressure inspection system which has a simple configuration, with which the shape of a panel portion of a hermetically sealed container can be detected with a high resoluti...  
WO/2017/062839A1
An optical connector including a first optical fiber having a first diameter and having a core that includes a thermally expanded core portion adjacent a first end of the first optical fiber, a second optical fiber spliced to a second en...  
WO/2017/061411A1
The present invention is a monitoring device that monitors the pressure state of a fluid in a device to be monitored having a chamber, in the interior thereof at least one of compression and expansion of the fluid being performed, wherei...  
WO/2017/055451A1
The invention relates to a pressure measuring device for converting a mechanical or hydraulic application of pressure into a measurement signal and forwarding the measurement signal to a remote analysis unit. The invention is characteriz...  
WO/2017/049392A1
There is described an optical pressure sensor comprising a sensor housing and an optical pressure cell mounted within the sensor housing and dividing the sensor housing into a first fluid space and a second fluid space. The optical press...  
WO/2017/021702A1
A method and system for monitoring fluid flow in an open channel system, using an optical fibre that extends along at least a portion of the open channel system within the channel below the surface of the fluid. The method comprising sen...  
WO/2017/011850A8
A method and system for assessing the condition of a pipeline in a pipeline system is disclosed. The method includes generating a pressure wave in the fluid being carried along the pipeline system at a generation location along the pipel...  
WO/2017/011850A1
A method and system for assessing the condition of a pipeline in a pipeline system is disclosed. The method includes generating a pressure wave in the fluid being carried along the pipeline system at a generation location along the pipel...  
WO/2016/202998A1
The invention relates to a sensor made up of a Pirani gauge for measuring gas pressure. A gas-tight enclosure, of which the outer surface is exposed to the tested gas, encloses a gaseous inner environment which surrounds the sensing elem...  
WO/2016/205269A1
A pressure sensor device includes a pressure chamber housing, at least two separate pressure chambers within the housing, at least one pressure port fluidically coupled to each of the at least two pressure chambers, at least one pressure...  
WO/2016/198430A3
The invention relates to a device (1) for measuring the pressure p of a fluid (3) flowing through a pipeline (2, 51), comprising at least one primary sensor (4), arranged on the outer circumference (2a, 51a) of the pipeline (2, 51), for ...  
WO/2016/198430A2
The invention relates to a device (1) for measuring the pressure p of a fluid (3) flowing through a pipeline (2, 51), comprising at least one primary sensor (4), arranged on the outer circumference (2a, 51a) of the pipeline (2, 51), for ...  
WO/2016/187505A1
w A gas pressure measurement system configured to indirectly measure an internal pressure of a gas containment unit includes (a) a pressure transducer connected to the gas containment unit by a conduit, the pressure transducer configured...  
WO/2016/182429A1
The invention relates to an optical sensor device comprising a reference body, an optical fiber including an intrinsic fiber optic sensor, and a hydraulic transmission system. The hydraulic transmission system is connected to the referen...  
WO/2016/163139A1
[Problem] To enable acquisition by calculation of pressure and temperature data on the basis of wavelength change data output by a fiber Bragg grating sensor. [Solution] The measuring system is characterized by comprising: a FBG sensor t...  
WO/2016/156622A1
A method and system is disclosed for determining the integrity of a closed container. The method and system includes the steps of positioning the container in a surrounding, changing a gas pressure, a gas composition, a gas concentration...  
WO/2016/151003A1
A method and a system (10) is provided for controlling and monitoring the gas pressure in a nuclear fuel rod (1) during filling of the fuel rod (1) with a gas, and subsequent sealing of the fuel rod (1). The system comprises a control un...  
WO/2016/150816A1
The invention relates to a sensor for determining pressure and/or flow, wherein the sensor has a surface (2) on which filaments (4, 10, 42) are arranged, at least some of which are in the form of first filaments (4), wherein a gas layer ...  
WO/2016/099925A1
A device. The device includes a substrate a substrate, a first optical waveguide disposed on the substrate and a second optical waveguide disposed on the substrate. The device further includes a coupling element disposed on the substrate...  
WO/2016/092150A1
The invention relates to a monitoring device and a method for determining operating health of a pressure medium operated device. The monitoring device (4) comprises means for processing input measuring data (3) relating to operation of t...  
WO/2016/081915A1
A pressure sensor including an enclosure and a bending resonator housed in the enclosure. The bending resonator includes a diaphragm connected to the enclosure, a piezoelectric layer on the diaphragm, and an electrode on the piezoelectri...  
WO/2016/080403A1
The present invention provides a fuel gauge for a compressed natural gas vehicle, said fuel gauge making it possible to accurately display the remaining fuel quantity in a fuel container even when a different type of fuel is mixed in due...  
WO/2016/055787A1
This application relates to a fibre optic cable structure suitable for use as a sensing fibre optic for distributed acoustic sensing and having an improved sensitivity to transverse pressure waves. The application describes a fibre optic...  
WO/2016/051341A1
The present invention concerns a group (10) and method for measuring the pressure in closed containers (30) made from optically transparent material at least at a portion of a top space (31) thereof, and a filling and/or packaging plant ...  
WO/2016/041214A1
An F-P cavity optical fiber pressure sensing device, comprising a plurality of F-P cavity optical fiber pressure sensing devices; under the control of a controller, light at respective wavelengths emitted by a wavelength scanning optical...  
WO/2016/041391A1
Disclosed are a patch-type passive surface acoustic wave sensing device and an intelligent tire, wherein the patch-type passive surface acoustic wave sensing device comprises a surface acoustic wave sensor (101) and at least comprises a ...  
WO/2016/024041A1
The present invention concerns a pressure senso r(1) comprising an ultrasound transmitter (2), and a cavity (3) arranged in connection with this, which is in resonance mode at an ultrasound frequency used, and wherein the sensor (1) comp...  
WO/2016/021104A1
 A contactless pressure switch, wherein, when the pressure of a fluid in a pressure-receiving chamber (28A) is less than a predetermined value, a light beam (LB) from a light-emitting element (16) is incident on a surface (20bs) throug...  
WO/2016/007814A1
Exemplary apparatus and method for obtaining information regarding at least one sample can be provided. For example, at least one optical data-obtaining first arrangement can be used which is configured to obtain data for the at least on...  
WO/2015/199350A1
An embodiment of the present invention relates to an apparatus for measuring the level of powder, and the technical objective of the present invention is to allow the level of powder in a silo to be continuously measured. To this end, di...  
WO/2015/198684A1
This monitoring sensor is for a sealed secondary battery (1) in which an electrode group (22) is accommodated in the interior of a sealed outer casing (21), and is provided with: a polymer matrix layer (3) that is arranged on the interio...  
WO/2015/181155A1
The present invention relates to an optical sensor (100) adapted to measure at least three physical parameters, said optical sensor comprising a polymer-based optical waveguide structure comprising a first Bragg grating structure (101) b...  
WO/2015/178323A1
In this pressure sensor, an optical fiber has an FBG section and a base member has an open end on one side. The optical fiber is affixed to the base member under tension so as to cut across the open end thereof. The base member exhibits ...  

Matches 1 - 50 out of 1,640