SE441317B - Ljuddempande anordning - Google Patents

Ljuddempande anordning

Info

Publication number
SE441317B
SE441317B SE8400776A SE8400776A SE441317B SE 441317 B SE441317 B SE 441317B SE 8400776 A SE8400776 A SE 8400776A SE 8400776 A SE8400776 A SE 8400776A SE 441317 B SE441317 B SE 441317B
Authority
SE
Sweden
Prior art keywords
sound
front wall
wall
edge portion
plate
Prior art date
Application number
SE8400776A
Other languages
English (en)
Swedish (sv)
Other versions
SE8400776L (sv
SE8400776D0 (sv
Inventor
S Thoren
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Priority to SE8400776A priority Critical patent/SE441317B/sv
Publication of SE8400776D0 publication Critical patent/SE8400776D0/xx
Priority to US06/698,478 priority patent/US4558296A/en
Priority to EP85101393A priority patent/EP0152884A1/de
Priority to JP60025092A priority patent/JPS60189209A/ja
Publication of SE8400776L publication Critical patent/SE8400776L/
Publication of SE441317B publication Critical patent/SE441317B/sv

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
    • H01F27/33—Arrangements for noise damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Exhaust Silencers (AREA)
SE8400776A 1984-02-14 1984-02-14 Ljuddempande anordning SE441317B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8400776A SE441317B (sv) 1984-02-14 1984-02-14 Ljuddempande anordning
US06/698,478 US4558296A (en) 1984-02-14 1985-02-05 Sound damping devices
EP85101393A EP0152884A1 (de) 1984-02-14 1985-02-09 Schalldämpfende Vorrichtung für ein induktives Wechselstromgerät mit einem Eisenkern
JP60025092A JPS60189209A (ja) 1984-02-14 1985-02-12 音響減衰装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8400776A SE441317B (sv) 1984-02-14 1984-02-14 Ljuddempande anordning

Publications (3)

Publication Number Publication Date
SE8400776D0 SE8400776D0 (sv) 1984-02-14
SE8400776L SE8400776L (sv) 1985-08-15
SE441317B true SE441317B (sv) 1985-09-23

Family

ID=20354733

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8400776A SE441317B (sv) 1984-02-14 1984-02-14 Ljuddempande anordning

Country Status (4)

Country Link
US (1) US4558296A (de)
EP (1) EP0152884A1 (de)
JP (1) JPS60189209A (de)
SE (1) SE441317B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994018616A1 (en) * 1993-02-09 1994-08-18 Noise Cancellation Technologies, Inc. High transmission loss panel
SE514509C2 (sv) 1999-06-28 2001-03-05 Abb Ab stationär ljudisolerande anordning, stationär induktionsmaskin samt användning av en sådan induktionsmaskin
AU2001288421A1 (en) * 2000-08-25 2002-03-04 Acentech, Inc. Noise cancellation using a mechanical oscillator
DE102005045844B3 (de) * 2005-09-26 2007-02-01 Airbus Deutschland Gmbh Schalldämmelement und Verfahren zur Herstellung eines Schalldämmelements
JP5326472B2 (ja) * 2007-10-11 2013-10-30 ヤマハ株式会社 吸音構造
EP2085962A2 (de) * 2008-02-01 2009-08-05 Yamaha Corporation Schallabsorbierende Struktur und Fahrzeugkomponente mit schallabsorbierenden Eigenschaften
US20090223738A1 (en) * 2008-02-22 2009-09-10 Yamaha Corporation Sound absorbing structure and vehicle component having sound absorption property
US11021870B1 (en) * 2013-03-14 2021-06-01 Hrl Laboratories, Llc Sound blocking enclosures with antiresonant membranes
EP3065129B1 (de) * 2015-03-02 2018-10-03 Siemens Aktiengesellschaft Anordnung zur Verringerung der Schallemission eines Transformators oder einer Drossel
US9646761B2 (en) * 2015-07-28 2017-05-09 Fortune Electric Co., Ltd. Power transmission transformer with a noise inhibiting function
MX355305B (es) * 2015-10-14 2018-04-12 Prolec Ge Int S De R L De C V Paneles acústicos para transformador.
CN105609264B (zh) * 2016-01-19 2017-12-19 江西理工大学 一种采用微穿孔板的非晶合金油浸式变压器
GB2548139B (en) * 2016-03-10 2020-03-18 General Electric Technology Gmbh Improvements in or relating to sound reduction components for housings
CN107424739A (zh) * 2017-08-08 2017-12-01 芜湖市凯鑫避雷器有限责任公司 一种干式变压器的底座安装装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1846887A (en) * 1930-05-24 1932-02-23 Gen Electric Electrical induction apparatus
DE1111726B (de) * 1954-05-28 1961-07-27 Licentia Gmbh Fluessigkeitsgekuehlter, geraeuschgedaempfter Transformator
DE1011057B (de) * 1954-11-04 1957-06-27 Licentia Gmbh Geraeuscharmer Transformator, bei dem die Geraeuschdaemmung durch an der Kesselinnenwand angeordnete elastische und mit Luft bzw. Gas gefuellte Daemmfaecher erreicht wird
DE1260611B (de) * 1961-09-28 1968-02-08 Licentia Gmbh Fluessigkeitsisolierte Transformatoren oder Drosselspulen mit schalldaemmender Kesselabdeckung
US3305813A (en) * 1961-11-21 1967-02-21 Mc Graw Edison Co Cooling and noise reducing arrangement for stationary induction apparatus
US3260974A (en) * 1963-09-12 1966-07-12 Westinghouse Electric Corp Noise reducing means for electrical apparatus
DE1538130B2 (de) * 1966-01-19 1970-01-22 Siemens AG, 1000 Berlin u. 8OOO München Anordnung einer Schalldämmwand
DE2834823C2 (de) * 1978-08-09 1980-07-17 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Volumenändernde Resonatoren nach dem Tellerfeder-Prinzip
CH618037A5 (en) * 1977-07-04 1980-06-30 Bschorr Oskar Arrangement for sound absorption with resonators of changeable volume
US4347043A (en) * 1980-06-02 1982-08-31 Carrier Corporation Motor compressor unit and a method of dampening sound waves generated therein
JPS5948528B2 (ja) * 1980-12-22 1984-11-27 株式会社日立製作所 静止誘導電器

Also Published As

Publication number Publication date
JPS60189209A (ja) 1985-09-26
SE8400776L (sv) 1985-08-15
EP0152884A1 (de) 1985-08-28
US4558296A (en) 1985-12-10
SE8400776D0 (sv) 1984-02-14

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NAV Patent application has lapsed

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Effective date: 19851106