[특허]Vapor recovery line flow meter

[미국특허] Vapor recovery line flow meter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F15D-001/00 G01F-001/708
출원번호	US-0986422 (2013-04-30)
등록번호	US-9366273 (2016-06-14)
발명자 / 주소	Pitney, Paul Medin, David Hamilton, Thomas Thomas, Mitchell
출원인 / 주소	Husky Corporation
대리인 / 주소	Denk, Paul M.
인용정보	피인용 횟수 : 0 인용 특허 : 26

초록 ▼

An improvement in a vapor recovery line in the form of a vortex shedding flow meter installable within such vapor recovery line to monitor the flow rate of vapor being returned through the vapor recovery line, such flow meter including a housing having an inlet flange with an associated inlet connectable to the upstream portion of the vapor recovery line, an outlet flange with an outlet connectable to the downstream portion of the vapor recovery line, a housing for a passageway extending between the inlet and outlet, with a vortex strut extending into the passageway nearer the outlet to generate shed flow vortices and a transmitter-receiver transducer pair positioned nearer the outlet to subject the shed vortices to a sonic beam to effect modulation thereof, and an electronics package within an electronic housing portion for determining from such modulation the flow rate of the vapor passing through the vapor recovery line.

대표청구항 ▼

1. In a vapor recovery line between a fuel dispensing nozzle and a fuel storage tank wherein the vapor recovery line includes an upstream portion nearer the fuel dispensing nozzle, and a downstream portion nearer the fuel storage tank, the improvement comprising: a vapor recovery flow meter, including:a vapor passing housing, said housing having an inlet flange configured to be matably engageable with a complementary flange on the upstream portion of the vapor recovery line, said housing having an outlet flange configured to be matably engageable with a complementary flange on the downstream portion of the vapor recovery line;a generally tubular housing portion extending between said inlet flange and said outlet flange and including a generally cylindrical passageway extending therethrough;said inlet flange forming an inlet into the tubular housing on the upstream portion of the vapor recovery line and communicating with the cylindrical passageway through said tubular housing;said outlet flange forming an outlet from the downstream portion of the tubular housing and communicating with the cylindrical passageway of the tubular housing to allow the flow of fuel vapors therefrom;said inlet flange, outlet flange, and tubular housing forming the vapor passageway between said inlet and outlet of the vapor recovery line;a vortex generating device installed within said passageway of the tubular housing whereby the passing of said vapors therethrough impinges upon the vortex generator thereby effecting the creation of vortices of the vapor for detection, said vortex generating device being a vortex strut;a first transducer housing formed upon the tubular housing and incorporating a first transducer for directing a sonic signal into and generally across the passageway through which the vapors pass and downstream from the vortex strut, a second transducer housing incorporating a second transducer and for detecting the sonic signals received generally across the passageway through which the vapors pass; andwhereby passage of the sonic signals through the shedded vapors effects their modulation whereby the sonic signals can detect and determine the flow rate of such passing vapors. 2. The improvement of claim 1 wherein the sonic signal introduced into said passageway is an ultrasonic signal. 3. The improvement of claim 2 wherein said flowmeter further includes; an electronics package for powering and controlling said first and second transducers; andan electronics housing portion positioned generally above and integral upon said generally tubular housing portion for housing said electronics package. 4. The improvement of claim 3 wherein said electronics package includes a flow rate determination portion responsive to said detection of ultrasonic signals by said second transducer to determine the flow rate of vapor through the vapor recovery line. 5. The improvement of claim 4, wherein said electronic housing portion includes a cover which can be removed for servicing of the electronics package contained therein. 6. The improvement of claim 1, wherein the first and second transducer housings each incorporate a removable access cap that allows for access into the transducer housings for servicing of their contained transducers. 7. The improvement of claim 1, wherein the vortex housing includes an access cap that is removable for allowing servicing of the vortex strut. 8. The improvement of claim 1, said vortex generating device is installed within said formed passageway nearer said outlet than said inlet.

이 특허에 인용된 특허 (26) 인용/피인용 타임라인 분석

Shinoda Kazuichi (Yokohama JPX) Katayama Masayoshi (Yokohama JPX), Detector for use in measurement of flow speed or flow rate of a fluid.
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Williams Anthony P. (Hampshire GB2) Carter Ralph G. (Hampshire GB2), Flowmeter.
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Ito Yoshihiro (1620-6 ; Yoshikawa Yoshikawa-machi ; Kitakatsushika-gun ; Saitama 342 JPX), Flowmeter having a vibrator therein.
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Lynnworth, Lawrence C.; Smart, Christopher; Nicholson, Thomas, Mass flow sensor and methods of determining mass flow of a fluid.
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Joy Robert D. (Cedar Rapids IA) Mahany Richard J. (Cedar Rapids IA) Thorne Glenn A. (Cedar Rapids IA) Colton Russell F. (Cedar Rapids IA), Method and apparatus for determining fluid density and mass flow.
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Mace,Leslie E.; Labuda,Lawrence L.; Blazewicz,Perry R.; Rich,David R.; Jaffe,Michael B.; Orr,Joseph A.; Kofoed,Scott A., Multiple function airway adapter.
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Huotari Wendell G., Multiple vortex flowmeter system.
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Kleven, Lowell, Process flow plate with temperature measurement feature.
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Daigle Louis J. L. (Manchester CT), Sensor and meter for measuring the mass flow of a fluid stream.
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Colton Russell F. (Cedar Rapids IA), Sonic transducer surfaces.
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Herzl Peter J. (Morrisville PA), Stabilized vortex-shedding flowmeter.
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Scott Donald S. (Waterloo CAX) Rhodes Edward (Waterloo CAX), Two phase flowmeter.
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Iwanaga, Shigeru; Umekage, Yasuhiro, Ultrasonic flowmeter.
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Rowland Steven L. ; Hartsell ; Jr. Hal C., Vapor recovery diagnostic testing system.
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Grantham Rodger P. (Springfield MO), Vapor recovery hose assembly and venturi pump therefor.
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Glenn Kline Walker ; Rodger P. Grantham, Vapor recovery line diagnostics.
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Grantham, Rodger P., Vapor recovery system with improved ORVR compatibility and performance.
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Grantham,Rodger P., Vapor recovery system with improved ORVR compatibility and performance.
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Grantham,Rodger P., Vapor recovery system with improved ORVR compatibility and performance.
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Miller Charles E. ; Yoshida Louis T. ; Steinbach Michael ; Waers John F., Vortex detector and flow meter.
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Joy Robert D. (Cedar Rapids IA), Vortex flow meter frequency adjustment.
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Sgourakes ; George E. ; McCullough ; Robert C., Vortex flowmeter apparatus.
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Khalifa Mohamed (Peachtree City GA) Manwell John (Liverpool GBX), Vortex flowmeter transducer.
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Johnson Archie G. (Cedar Rapids IA), Vortex generating device.
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Mahany Richard J. (Cedar Rapids IA) Johnson Archie G. (Cedar Rapids IA), Vortex generating device.
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Thorne Glenn A. (Cedar Rapids IA) Johnson Archie G. (Cedar Rapids IA), Vortex generating device.
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[미국특허] Vapor recovery line flow meter 원문보기

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