IT1045632B - Perfezionamento agli apparecchi per il tretamento di tessusmorzatore acustico per interruttori elettrici a gas comprti esso ad alta tensione - Google Patents

Perfezionamento agli apparecchi per il tretamento di tessusmorzatore acustico per interruttori elettrici a gas comprti esso ad alta tensione

Info

Publication number
IT1045632B
IT1045632B IT2896473A IT2896473A IT1045632B IT 1045632 B IT1045632 B IT 1045632B IT 2896473 A IT2896473 A IT 2896473A IT 2896473 A IT2896473 A IT 2896473A IT 1045632 B IT1045632 B IT 1045632B
Authority
IT
Italy
Prior art keywords
damper
improvement
treatment
equipment
high voltage
Prior art date
Application number
IT2896473A
Other languages
English (en)
Original Assignee
Bbc Brown Boveri & Cie
Bertoldi A
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 Bbc Brown Boveri & Cie, Bertoldi A filed Critical Bbc Brown Boveri & Cie
Priority to US05/436,471 priority Critical patent/US3949579A/en
Priority to GB453974A priority patent/GB1449382A/en
Priority to DE19742405533 priority patent/DE2405533A1/de
Priority to JP49016160A priority patent/JPS49110980A/ja
Priority to ES423060A priority patent/ES423060A1/es
Application granted granted Critical
Publication of IT1045632B publication Critical patent/IT1045632B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/58—Silencers for suppressing noise of switch operation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
IT2896473A 1972-08-05 1973-09-17 Perfezionamento agli apparecchi per il tretamento di tessusmorzatore acustico per interruttori elettrici a gas comprti esso ad alta tensione IT1045632B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US05/436,471 US3949579A (en) 1973-02-13 1974-01-25 Apparatus for fabric processing
GB453974A GB1449382A (en) 1973-02-13 1974-01-31 Fabric treatment apparatus
DE19742405533 DE2405533A1 (de) 1973-02-13 1974-02-06 Vorrichtung zur behandlung von geweben u. dgl.
JP49016160A JPS49110980A (it) 1973-02-13 1974-02-08
ES423060A ES423060A1 (es) 1973-02-13 1974-02-08 Aparato perfeccionado para el tratamiento de tejidos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722238657 DE2238657B2 (de) 1972-08-05 1972-08-05 Schalldämpfer

Publications (1)

Publication Number Publication Date
IT1045632B true IT1045632B (it) 1980-06-10

Family

ID=5852793

Family Applications (2)

Application Number Title Priority Date Filing Date
IT2427073A IT1045637B (it) 1972-08-05 1973-05-18 Smorzatore acustico per interrut tori elettrici a gas compresso ad alta tensione
IT2896473A IT1045632B (it) 1972-08-05 1973-09-17 Perfezionamento agli apparecchi per il tretamento di tessusmorzatore acustico per interruttori elettrici a gas comprti esso ad alta tensione

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT2427073A IT1045637B (it) 1972-08-05 1973-05-18 Smorzatore acustico per interrut tori elettrici a gas compresso ad alta tensione

Country Status (6)

Country Link
JP (1) JPS4945218A (it)
DE (1) DE2238657B2 (it)
FR (1) FR2195051B2 (it)
GB (1) GB1417256A (it)
IT (2) IT1045637B (it)
SE (1) SE379604B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645790A (en) * 1979-09-21 1981-04-25 Gadelius Kk Sea water desalting apparatus
GB2405666A (en) * 2003-09-05 2005-03-09 Dunlop Aerospace Ltd Noise attenuator, eg for turbofan engine air bleed system
DE102015200966A1 (de) * 2015-01-21 2016-07-21 DIL Deutsches Institut für Lebensmitteltechnik e.V. Schalldämpfer für Sauggreifer
JP6610154B2 (ja) 2015-10-15 2019-11-27 Ｔｄｋ株式会社 スイッチ駆動装置およびスイッチ駆動方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2128632C3 (de) * 1971-06-09 1973-10-18 Brown, Boveri & Cie Ag, 6800 Mannheim Schalldämpfer für Hochspannungs-Druckgasschalter

Also Published As

Publication number Publication date
DE2238657B2 (de) 1974-08-08
FR2195051A2 (it) 1974-03-01
GB1417256A (en) 1975-12-10
FR2195051B2 (it) 1979-01-12
JPS4945218A (it) 1974-04-30
DE2238657A1 (de) 1974-02-14
IT1045637B (it) 1980-06-10
DE2238657C3 (it) 1975-06-12
SE379604B (it) 1975-10-13

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