[특허]Vertically mounted differential pressure transmitter having an integrally mounted sensor

[미국특허] Vertically mounted differential pressure transmitter having an integrally mounted sensor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01L-007/00 G01L-009/00
출원번호	US-0760114 (1996-12-03)
발명자 / 주소	Karas Edwin L.
출원인 / 주소	The Foxboro Company
대리인 / 주소	Lahive & Cockfield, LLPLaurentano
인용정보	피인용 횟수 : 57 인용 특허 : 16

초록 ▼

A pressure transmitter apparatus having a unitary body portion, separate diaphragms and flange elements and disposed within the body, a first and second normally vertical pressure passage. The first and second pressure passageways communicate respectively between first and second pressure openings extending normally horizontally through the body portion, and a transducer mounting element. The mounting element, coupled to the body portion and located above the pressure passageways, mounts a transducer that generates a differential pressure signal. One or a pair of diaphragm elements are configured to form first and second process diaphragms, closing first and second pressure openings. The flange element overlies the diaphragm element and is removably and replaceably secured to the body portion. The pressure transmitter also includes a flame retardation element that is disposed within at least one of the pressure passageways, and an overrange protection element, integrally arranged with the unitary body portion, that protects the transducer from overrange pressure fluctuations. Special flange plane geometries optimize size and sensitivity of isolation diaphragms.

대표청구항 ▼

[ Having described the invention, what is claimed as new and desired to be secured by Letters Patent is:] [1.] Pressure transmitter apparatus comprisingA. unitary body means having, in a first orientation,(1) vertical surface means extending along a first vertical axis and apertured with first and second pressure openings disposed at substantially the same vertical location, and(2) transducer mounting means coupled to said body means and located, in said first orientation, vertically above said pressure openings,B. diaphragm means forming first and second process diaphragms respectively closing said first and second pressure openings,C. flange means removably and replaceably secured to said body means overlying said diaphragm means, said flange means forming first and second pressure ports for coupling first and second pressure inputs to said first and second process diaphragms, respectively,D. first and second pressure passages vertically extending at least partly within said body means for communicating respectively between said first and second pressure openings and said traducer mounting means,wherein said flange means includes a selectively closed further opening formed therethrough and offset along said first vertical axis and from said first and second pressure openings, said flange means being adapted to be invertably mountable over said vertical surface means in a draining position and alternatively in a purging position, for disposing said further opening for draining liquid when mounted in said draining position and for disposing said further opening for purging gas when mounted in said purging position.

이 특허에 인용된 특허 (16) 인용/피인용 타임라인 분석

Frick Roger L. (Eden Prairie MN), Apparatus for conveying fluid pressures to a differential pressure transducer.
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Nagasu Akira (Ibaraki-ken JPX) Yamamoto Yoshimi (Ibaraki-ken JPX) Tobita Tomoyuki (Katsuta JPX) Onose Toshihiro (Katsuta JPX), Compact differential pressure transmitter having first and second damper chambers.
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Singh Gurnam (Riverside CA), Differential pressure transducer with high compliance, constant stress cantilever beam.
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Tobita Tomoyuki (Katsuta JPX) Yamamoto Yoshimi (Naka JPX), Differential pressure transmitter.
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Karas Edwin L. (Mansfield MA), Differential pressure transmitter having an integral flame arresting body and overrange diaphragm.
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Nudd ; Jr. Howard W. (Foxboro MA) De Moura David N. (Taunton MA), Differential-pressure measuring apparatus with improved overpressure protection.
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Bertrand Pierre (Igny FRX), Inductive differential pressure sensor.
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Peterson Thomas P. (Chanhassen MN), Isolator for pressure transmitter.
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Adams Donald L. (P.O. Box T Tulia TX 79088), Modular differential pressure transmitter/manifold for a fluid conveying pipeline.
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Broden David A. (Chanhassen MN), Modular transmitter with flame arresting header.
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De Filippis Giangrazio (Naples ITX), Pneumatic or hydraulic pressure sensors with several thresholds of response.
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Wahl Detlev (Erlenbach DEX) Elter Herbert (Dammbach DEX) Julien Hermann (Klingenberg DEX), Pressure gauge housing made of synthetic material.
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Koen Edward F. (Danville CA) Vernon Robert D. (Norfolk MA), Pressure sensor having a laminated substrate.
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Walish James E. (Buffalo MN) Mattison Lee A. (Minneapolis MN) Peterson Thomas P. (Chanhassen MN), Pressure transmitter with flame isolating plug.
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Dean Michael J. (St. Paul MN) Mattison Lee A. (Minneapolis MN) Krouth Terrance F. (Green Bay WI), Pressure transmitter with stress isolation depression.
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Shimada Satoshi (Hitachi JPX) Yamada Kazuji (Hitachi JPX) Suzuki Seikou (Hitachiota JPX) Kobori Shigeyuki (Hitachi JPX) Nishihara Motohisa (Katsuta JPX), Semiconductor pressure transducer.
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이 특허를 인용한 특허 (57) 인용/피인용 타임라인 분석

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Lang, Jürgen; Thebault, Eric; Hasenfratz, Robert; Kozawa, Masayuki; Kikawa, Hiromu, Arrangement of an air mass meter at a flow channel.
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Casimiro, Richard P.; Lantagne, Steven D., Bi-planar differential pressure transmitter with orthogonal process connections.
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Sundet,Paul C.; Norberg,Daniel A.; Dille,Andrew A., Bi-planar process fluid pressure measurement system.
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Davis, Dale S.; Larson, Glen, Component type adaptation in a transducer assembly.
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Dennis, Steven M.; Ballot, William J.; Behm, Steven M.; Fandrey, Mark, Dual inlet base pressure instrument.
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Fandrey, Mark C.; Sundet, Paul; LaRoche, Rob; Nelson, Scott D.; Hausler, George C., Environmentally sealed instrument loop adapter.
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Ghannam, Mahmoud Yousef; Philip, Abraham G.; Kemnitz, Erich, Fastening and sensing apparatus.
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Orth, Kelly M., Field device with dynamically adjustable power consumption radio frequency communication.
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Vanderaa, Joel D.; Grunig, Christina A.; Hurd, Ronald F.; Westfield, Brian L.; McGuire, Chad M.; Paullus, Steven B., Form factor and electromagnetic interference protection for process device wireless adapters.
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Broden,David A.; Orth,Kelly; McGuire,Chad M.; Sittler,Fred C., High temperature pressure transmitter assembly.
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Kurtz, Anthony D.; Kurtz, legal representative, Nora; DeRosa, Lou; Gardner, Robert, Low differential pressure transducer.
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Trimble,Steven R.; Orth,Kelly M.; Nelson,Richard L.; Tyson,David G., Low power physical layer for a bus in an industrial transmitter.
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Roper, Weston; Berge, Todd M.; Tyson, David G.; Westfield, Brian L.; Nelson, Richard L., Modular process transmitter having a scalable EMI/RFI filtering architecture.
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Weston R. Roper ; David G. Tyson ; Brian L. Westfield ; Michael J. Gaboury, Multiple die industrial process control transmitter.
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Brown, Gregory C.; Klosinski, Andrew J.; Trimble, Steven R.; Fandrey, Mark, Power generation for process devices.
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Arunachalam, Jawahar; Kasturi, Udayashankar Bangalore, Power supply for industrial process field device.
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Steven M. Behm ; Richard L. Nelson ; Robert Hedtke ; Roger Frick ; Scott D. Nelson ; Mark Fandrey ; Theodore H. Schnaare ; Brian L. Westfield ; Mark S. Schumacher ; Weston Roper, Preinstallation of a pressure sensor module.
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Lange,J��rgen; Becher,Raimund, Pressure pickup with flame penetration barrier.
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Fandrey Mark ; Smith Dennis J. ; Miller Myles L. ; Guttsen Kenneth G. ; Dennis Steven M. ; Ballot William J. ; Behm Steven M., Pressure transmitter with dual inlet base and dual compartment housing.
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[미국특허] Vertically mounted differential pressure transmitter having an integrally mounted sensor 원문보기

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[미국특허] Vertically mounted differential pressure transmitter having an integrally mounted sensor 원문보기

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