- 专利标题: Dual-purpose heater and fluid flow measurement system
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申请号: US16884771申请日: 2020-05-27
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公开(公告)号: US12037933B2公开(公告)日: 2024-07-16
- 发明人: Cal Swanson , Mark D. Everly , David P. Culbertson , James N. Pradun , Jeremy J. Quandt , Mark L. G. Hoven , Jeremy Ohse , Sanhong Zhang
- 申请人: WATLOW ELECTRIC MANUFACTURING COMPANY
- 申请人地址: US MO St. Louis
- 专利权人: Watlow Electric Manufacturing Company
- 当前专利权人: Watlow Electric Manufacturing Company
- 当前专利权人地址: US MO St. Louis
- 代理机构: Burris Law, PLLC
- 主分类号: F01N9/00
- IPC分类号: F01N9/00 ; F01N3/023 ; F01N3/027 ; F01N3/20 ; F01N11/00 ; F01N13/00 ; F02D41/02 ; F02D41/14 ; F02D41/22 ; G01F1/68 ; G01F1/86 ; G01K7/16 ; G01M15/05 ; G05D23/185 ; G05D23/24 ; G05D23/30 ; G07C5/08 ; H05B1/02 ; H05B3/00 ; H05B3/14 ; H05B3/18 ; H05B3/20 ; H05B3/40 ; F01N3/021 ; F01N3/08 ; F01N3/10 ; H01C7/02 ; H01C7/04
摘要:
A control system for use in a fluid flow application includes a heater and a control device. The heater has at least one resistive heating element and the heater is operable to heat fluid. The control device determines at least one flow characteristic of a fluid flow based on a heat loss of the at least one resistive heating element and determines a mass flow rate of the fluid based on the at least one flow characteristic and a property of the at least one resistive heating element. And the property of the at least one resistive heating element includes a change in resistance of the at least one resistive heating element under a given heat flux density.
公开/授权文献
- US20200284179A1 DUAL-PURPOSE HEATER AND FLUID FLOW MEASUREMENT SYSTEM 公开/授权日:2020-09-10
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