NL1033887C2 - Transformatorkern. - Google Patents

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Publication number
NL1033887C2
NL1033887C2 NL1033887A NL1033887A NL1033887C2 NL 1033887 C2 NL1033887 C2 NL 1033887C2 NL 1033887 A NL1033887 A NL 1033887A NL 1033887 A NL1033887 A NL 1033887A NL 1033887 C2 NL1033887 C2 NL 1033887C2
Authority
NL
Netherlands
Prior art keywords
core
transformer core
transformer
subparts
core according
Prior art date
Application number
NL1033887A
Other languages
English (en)
Dutch (nl)
Inventor
Aditya Mehendale
Joost Loetters
Wouter Hagedoorn
Original Assignee
Berkin Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Berkin Bv filed Critical Berkin Bv
Priority to NL1033887A priority Critical patent/NL1033887C2/nl
Priority to EP08075203.3A priority patent/EP1995742B1/en
Priority to JP2008118139A priority patent/JP2008294435A/ja
Priority to US12/117,050 priority patent/US7843306B2/en
Application granted granted Critical
Publication of NL1033887C2 publication Critical patent/NL1033887C2/nl

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8413—Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8422—Coriolis or gyroscopic mass flowmeters constructional details exciters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8481—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point
    • G01F1/8486—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point with multiple measuring conduits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/02—Cores, Yokes, or armatures made from sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Transformers For Measuring Instruments (AREA)
NL1033887A 2007-05-24 2007-05-24 Transformatorkern. NL1033887C2 (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL1033887A NL1033887C2 (nl) 2007-05-24 2007-05-24 Transformatorkern.
EP08075203.3A EP1995742B1 (en) 2007-05-24 2008-03-21 Transformer core
JP2008118139A JP2008294435A (ja) 2007-05-24 2008-04-30 トランス用コア及びこれを有するコリオリ型流量計
US12/117,050 US7843306B2 (en) 2007-05-24 2008-05-08 Transformer core

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1033887 2007-05-24
NL1033887A NL1033887C2 (nl) 2007-05-24 2007-05-24 Transformatorkern.

Publications (1)

Publication Number Publication Date
NL1033887C2 true NL1033887C2 (nl) 2008-11-25

Family

ID=38810328

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1033887A NL1033887C2 (nl) 2007-05-24 2007-05-24 Transformatorkern.

Country Status (4)

Country Link
US (1) US7843306B2 (enExample)
EP (1) EP1995742B1 (enExample)
JP (1) JP2008294435A (enExample)
NL (1) NL1033887C2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5192531B2 (ja) * 2010-10-29 2013-05-08 三菱電機株式会社 内燃機関用点火コイル
DE102011107252A1 (de) * 2011-07-14 2013-01-17 Schneider Electric Sachsenwerk Gmbh Spule zur Strombegrenzung
JP5937819B2 (ja) * 2011-12-21 2016-06-22 株式会社タムラ製作所 電流センサ用ループコア及び電流センサ
US9631962B2 (en) * 2014-03-18 2017-04-25 Rosemount Inc. Magnetic core configuration for magnetic flowmeters having a plurality of layers of magnetically permeable material
CN104008862A (zh) * 2014-05-30 2014-08-27 昆山佑翔电子科技有限公司 变压器铁芯
CN105742031B (zh) * 2014-12-10 2017-11-21 辽宁易德实业集团有限公司 一种立体变压器的叠式铁芯及其工艺方法
CN105469951A (zh) * 2016-02-10 2016-04-06 齐侠 折叠式平面单相开口变压器铁芯
JP2019009277A (ja) * 2017-06-23 2019-01-17 株式会社タムラ製作所 コア、コア積層体及び静止誘導器
JP7402092B2 (ja) * 2020-03-23 2023-12-20 東芝産業機器システム株式会社 カットコア
JP7529005B2 (ja) * 2021-12-22 2024-08-06 Ｊｆｅスチール株式会社 積鉄心および積鉄心の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB680577A (en) * 1950-03-30 1952-10-08 N G N Electrical Ltd Improvements in laminated magnetic cores for electric transformers
DE7342490U (de) * 1974-05-16 Licentia Gmbh Aus Blechen zusammengesetzter Magnetkern
DE4410160C1 (de) * 1994-03-24 1995-10-05 Ulrich Dipl Ing Elsen Hochwärmebeständige Spule, insbesondere zur Verwendung als Antriebsspule und als Meßspule zum Antrieb und zum Messen der Schwingungen des Schwingrohres einer Vorrichtung zum Messen der Masse eines durch eine Rohrleitung fließenden Mediums

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467867A (en) * 1944-09-11 1949-04-19 Gen Electric Electromagnetic induction apparatus and method of forming same
GB680677A (en) 1949-10-27 1952-10-08 Comb Eng Superheater Inc Water supply system for forced recirculation steam generator
US2942218A (en) * 1952-08-08 1960-06-21 Mc Graw Edison Co Core for electromagnetic induction apparatus
US3513423A (en) * 1969-01-08 1970-05-19 Mc Graw Edison Co Three-phase magnetic core
US3918153A (en) * 1971-03-22 1975-11-11 Westinghouse Electric Corp Method of constructing a magnetic core
JPS5124490Y2 (enExample) * 1971-08-09 1976-06-23
JPS5044614U (enExample) * 1973-08-27 1975-05-06
JPS549854U (enExample) * 1977-06-24 1979-01-23
JPS5799718A (en) * 1980-12-12 1982-06-21 Fujitsu Ltd Assembling method for coil with magnetic core
US4520556A (en) * 1981-05-04 1985-06-04 General Electric Company Methods for assembling a transformer core
US5777537A (en) * 1996-05-08 1998-07-07 Espey Mfg. & Electronics Corp. Quiet magnetic structures such as power transformers and reactors
US7057489B2 (en) * 1997-08-21 2006-06-06 Metglas, Inc. Segmented transformer core
JP4387769B2 (ja) * 2003-11-18 2009-12-24 株式会社東芝 巻鉄心及び変圧器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7342490U (de) * 1974-05-16 Licentia Gmbh Aus Blechen zusammengesetzter Magnetkern
GB680577A (en) * 1950-03-30 1952-10-08 N G N Electrical Ltd Improvements in laminated magnetic cores for electric transformers
DE4410160C1 (de) * 1994-03-24 1995-10-05 Ulrich Dipl Ing Elsen Hochwärmebeständige Spule, insbesondere zur Verwendung als Antriebsspule und als Meßspule zum Antrieb und zum Messen der Schwingungen des Schwingrohres einer Vorrichtung zum Messen der Masse eines durch eine Rohrleitung fließenden Mediums

Also Published As

Publication number Publication date
JP2008294435A (ja) 2008-12-04
EP1995742A2 (en) 2008-11-26
EP1995742B1 (en) 2017-08-23
US7843306B2 (en) 2010-11-30
EP1995742A3 (en) 2009-02-25
US20080290982A1 (en) 2008-11-27

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Legal Events

Date Code Title Description
MM Lapsed because of non-payment of the annual fee

Effective date: 20190601