公开(公告)号：US10809107B2

公开(公告)日：2020-10-20

申请号：US15847445

申请日：2017-12-19

Applicant: Daniel Measurement and Control, Inc.

Inventor： Paththage Jayampathi Anuradha Priyadarshana

IPC: G01F1/66 ,  G01F25/00 ,  G01F15/00

Abstract: A flow meter system includes a flow meter configured to enable a first flow of a first fluid; and transmitter electronics coupled to the flow meter and configured to calculate a PF of the first fluid, calculate an MF corresponding to the first PF based on a correlation between PFs and MFs, and calculate a first volume of the first fluid using the first MF. A method includes establishing a correlation between MFs and PFs for a first fluid and a second fluid; storing the correlation in transmitter electronics of a flow meter system; testing the flow meter system using the correlation; and performing measurements using the correlation.

公开(公告)号：US20200319658A1

公开(公告)日：2020-10-08

申请号：US16758031

申请日：2018-10-25

Applicant: FLOW DEVICES AND SYSTEMS INC.

Inventor： Bhushan SOMANI ,  Christophe ELLEC

IPC: G05D7/06 ,  G01F1/88 ,  G01F15/00 ,  G01F1/40

Abstract: Mass flow control methods and systems are described enabling rate of decay measurements with an orifice (or flow restrictor) located between the control volume and the outlet valve such that the outlet valve acts as the valve restricting backpressure. The system may include a main flow path and a reduced flow path that split the gas flow based on the received set point and backpressure. Measuring valve coil temperature may be used by measuring voltage and current of the valve of known resistance at room temperature and using copper coefficient of thermal resistivity delta. This temperature data may improve adjacent transducer temperature data and adjust the transducer output. Flow calculation during a long ROD pressure drop (in reduced flow rate) by making smaller flow calculation during sub section of the same, adjusting the control loop of delivered flow in real time while the ROD is still going and repeating.

公开(公告)号：US20200318756A1

公开(公告)日：2020-10-08

申请号：US16072484

申请日：2017-01-26

Applicant: PAYGO ENERGY INC.

Inventor： Fausto MARCIGOT ,  Michael Oliver HAHN ,  Mark O'KEEFE ,  Laura TALSMA ,  Nicholas Joel QUINTONG

IPC: F16K37/00 ,  F16K1/30 ,  F16K35/06 ,  G01F15/00 ,  G05D7/06 ,  F17C13/02

Abstract: Apparatus (10) for the controlled delivery of a gas from a mobile container (11) that comprises a connection unit (12) configured to connect a unit, to measure and regulate the flow (35) of the gas to the container (11) and a management unit (32) configured to control and manage the unit to measure and regulate the flow (35), on the basis of information correlated to a quantity of the gas to be delivered.

公开(公告)号：US20200300680A1

公开(公告)日：2020-09-24

申请号：US16088409

申请日：2017-03-24

Applicant: Eli AMAR ,  Mati SAMIMI GOLAN

Inventor： Eli AMAR ,  Mati SAMIMI GOLAN

IPC: G01F15/00 ,  G08B13/06 ,  H04Q9/00 ,  G01F15/06 ,  G01F1/66 ,  E03B9/04

Abstract: A fluid flow, particularly water, monitoring device that envelopes the body of a fluid conducting channel, where the inner volume of the device provides sufficient space for accommodating water flow sensors, controlling means on the sensors and wireless communication means for communicating the water flow data to a remote control center. The device comprises fluid flow sensors for external monitoring of water flow in a fluid conducting channel, where each flow sensor comprises controller for controlling and supervising operation of the flow sensor; communication module for wirelessly communicating the signals from the water flow sensors to a remote control unit; and housing for accommodating the water flow sensors and communication module and protectively enveloping them against tampering, vandalism and sabotaging.

公开(公告)号：US10780551B2

公开(公告)日：2020-09-22

申请号：US15448446

申请日：2017-03-02

Applicant: OMAX Corporation

Inventor： Shijin Zhang ,  Scott Veenhuizen ,  Axel Henning

IPC: B24C7/00 ,  G01F1/74 ,  G01L13/00 ,  B24C1/04 ,  G01F22/00 ,  B65G53/66 ,  G01F1/34 ,  G01F15/00

Abstract: An abrasive jet cutting system may include a differential pressure measurement apparatus configured to measure a differential pressure between points in an abrasive supply system. The differential pressure may be used to determine one or more conditions of the jet and the abrasive delivery. The measured differential pressure may be used in a feedback control system, feed forward control system, and/or an alarm or safety system.

公开(公告)号：US10704942B2

公开(公告)日：2020-07-07

申请号：US16065136

申请日：2016-11-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yusuke Kitano ,  Mitsuo Yokohata

IPC: G01F1/74 ,  F23N5/18 ,  G01F1/66 ,  G01F3/22 ,  G01F15/06 ,  G06Q50/06 ,  G01F15/00

Abstract: Flow rate measurement device includes flow rate measurement unit that measures a flow rate of gas at a prescribed time interval, and arithmetic unit that calculates a characteristic flow rate from the flow rates measured within a predetermined period, and calculates a ratio of each flow rate measured at multiple times within the predetermined period with respect to the characteristic flow rate. In addition, flow rate measurement device includes appliance characteristic extraction unit that extracts an appliance characteristic quantity which indicates a characteristic of a flow rate change in currently using gas appliances within the predetermined period, the appliance characteristic quantity being the ratio or information obtained from the ratio, and appliance inherent characteristic information holding unit that holds an appliance inherent characteristic quantity indicating a characteristic flow rate state of a specific gas appliance. Furthermore, flow rate measurement device includes appliance discrimination unit that discriminates the currently using gas appliance by comparing the appliance characteristic quantity with the appliance inherent characteristic quantity.

公开(公告)号：US20200208904A1

公开(公告)日：2020-07-02

申请号：US16236392

申请日：2018-12-29

Applicant: WHIRLPOOL CORPORATION

Inventor： Kaito Choy ,  Ravi Joshi ,  Vikas C. Mruthyunjaya ,  Henrique Keiji Arai Yamaki

IPC: F25D23/12 ,  F25D25/02 ,  G01F13/00 ,  G01F15/00 ,  B67D3/00

Abstract: A fluid delivery system for an appliance includes a fluid line in selective communication with a fluid source. A shelf defines a fill zone positioned below an underside of the shelf. A shelf spigot is coupled with the fluid line and disposed proximate the underside of the shelf and over the fill zone. A fluid level sensor is positioned in communication with the fill zone. The fluid level sensor is also in communication with a controller that regulates a flow of fluid through the shelf spigot.

公开(公告)号：US10684629B2

公开(公告)日：2020-06-16

申请号：US15819738

申请日：2017-11-21

Applicant: WINT WI Ltd

Inventor： Alon Haim Gal

IPC: G01F1/00 ,  G05D7/00 ,  A61B5/00 ,  G01F15/075 ,  G01F15/06 ,  G01D4/00 ,  G06Q20/14 ,  G06Q50/06 ,  G01F7/00 ,  G01M3/28 ,  E03B7/07 ,  G05B19/406 ,  G05D7/06 ,  G05B13/02 ,  E03B7/02 ,  E03B7/09 ,  G01F15/00 ,  G08B21/18 ,  F17D5/06 ,  H04L12/28 ,  F16K37/00 ,  G01D4/14 ,  G01M3/00 ,  E03B1/02 ,  E03B1/00 ,  G01M3/26

Abstract: A detection system is provided for a distributed water infrastructure to determine a human health or lifestyle state from detected water usage patterns. The system receives signals indicative of water usage from at least one sensor upstream of a plurality of appliances, and determines from the signals a current water usage pattern. The system accesses a database of a plurality of stored water usage patterns, associated with a human health or lifestyle state, compares the pattern with stored water usage patterns and, based on the comparison, identifies a human health or lifestyle condition reflected by the current water usage pattern.

公开(公告)号：US10663337B2

公开(公告)日：2020-05-26

申请号：US15858689

申请日：2017-12-29

Applicant: Reno Technologies, Inc.

Inventor： Sean Penley ,  Michael Maeder

IPC: G01F15/00 ,  G05B13/02 ,  G01N7/00 ,  G05D7/06 ,  G01F17/00 ,  G05D7/00 ,  G05D7/01 ,  G01F22/02 ,  G01F25/00 ,  G01F1/36

Abstract: Apparatuses for controlling gas flow are important components for delivering process gases for semiconductor fabrication. In one embodiment, a method of calibrating an apparatus for controlling gas flow is disclosed. Specifically, the apparatus may be calibrated on installation using a two-step process of measuring the volume of gas box downstream from the apparatus by flowing nitrogen gas into the gas box and measuring the resulting temperature and rate of pressure rise. Using the computed volume of the gas box, a sweep of several mass flow rates may be performed using the process gas and the gas map for the process gas. The apparatus is calibrated based on the measured temperature and pressure values, which allow calculation of the actual mass flow rate for the process gas as compared with the commanded mass flow rates.

公开(公告)号：US10655997B2

公开(公告)日：2020-05-19

申请号：US16240246

申请日：2019-01-04

Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude

Inventor： Didier Pathier ,  Vincent Alaterre

IPC: G01F1/74 ,  G01F1/76 ,  G01F15/00 ,  G01F15/08

Abstract: The invention relates to a flowmeter for liquid/gas two-phase cryogenic fluids, including: a separator of the liquid/gas phases, preferably made up of vessel, the cryogenic fluid being admitted into the top portion of said vessel; a liquid flow sensor, located on a liquid pipe in fluid communication with the bottom portion of the vessel, the vessel being placed in the top position in the space relative to the liquid flow sensor; a gas pipe, in fluid communication with the upper portion of the vessel, provided with a flow sensor of the gas phase circulating in said gas pipe; a three-way valve capable of recovering, in two of the channels thereof (A/B), the downstream end of said gas pipe and the downstream end of said liquid pipe; and a device for measuring the level of liquid in the vessel, preferably comprising two level sensors: a bottom level sensor and a top level sensor.