FR2254758B1 - - Google Patents

Info

Publication number
FR2254758B1
FR2254758B1 FR7430453A FR7430453A FR2254758B1 FR 2254758 B1 FR2254758 B1 FR 2254758B1 FR 7430453 A FR7430453 A FR 7430453A FR 7430453 A FR7430453 A FR 7430453A FR 2254758 B1 FR2254758 B1 FR 2254758B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7430453A
Other languages
French (fr)
Other versions
FR2254758A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke AG
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 Kloeckner Werke AG filed Critical Kloeckner Werke AG
Publication of FR2254758A1 publication Critical patent/FR2254758A1/fr
Application granted granted Critical
Publication of FR2254758B1 publication Critical patent/FR2254758B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F2007/0025—Ventilation using vent ports in a wall
FR7430453A 1973-12-13 1974-09-09 Noiseless domestic ventilation unit - has absorbent material on inner walls and baffles forming convoluted air path Granted FR2254758A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732361994 DE2361994B2 (de) 1973-12-13 1973-12-13 Schalldaemmendes lueftungselement

Publications (2)

Publication Number Publication Date
FR2254758A1 FR2254758A1 (en) 1975-07-11
FR2254758B1 true FR2254758B1 (de) 1978-07-13

Family

ID=5900639

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7430453A Granted FR2254758A1 (en) 1973-12-13 1974-09-09 Noiseless domestic ventilation unit - has absorbent material on inner walls and baffles forming convoluted air path

Country Status (6)

Country Link
AT (1) AT335124B (de)
BE (1) BE818783A (de)
CH (1) CH581297A5 (de)
DE (1) DE2361994B2 (de)
FR (1) FR2254758A1 (de)
NL (1) NL7412395A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555930C3 (de) * 1975-12-12 1985-05-15 Gretsch-Unitas Gmbh Baubeschlagfabrik, 7257 Ditzingen Schalldämmende Lüftungsvorrichtung
DE2716957A1 (de) * 1977-04-16 1978-10-19 Siegenia Frank Kg Daemmstoff-, insbesondere schaumstoff-formkoerper
DE3261236D1 (en) * 1981-06-17 1984-12-20 Contacting Ges Wirtschaft Closure panels for spaces and frame profile for such panels
DE3425766A1 (de) * 1984-07-12 1986-01-23 Odesskoe proizvodstvennoe ob"edinenie cholodil'nogo mašinostroenija, Odessa Anlage zur reinigung von luft und zur zufuehrung der gereinigten luft in einen raum
US5239792A (en) * 1990-01-09 1993-08-31 Teletron Limited Eavesdropping-proof room and sound dampening devices therefor
DE102008047272A1 (de) * 2008-09-16 2010-03-25 Ltg Aktiengesellschaft Als Schallreduktionsbauteil ausgebildetes Luftleitungselement sowie Luftleitung mit einem Luftleitungselement

Also Published As

Publication number Publication date
BE818783A (fr) 1974-12-02
ATA712174A (de) 1976-06-15
CH581297A5 (de) 1976-10-29
NL7412395A (nl) 1975-06-17
FR2254758A1 (en) 1975-07-11
AT335124B (de) 1977-02-25
DE2361994A1 (de) 1975-06-26
DE2361994B2 (de) 1977-09-08

Similar Documents

Publication Publication Date Title
AR201758A1 (de)
AU476761B2 (de)
AR201231Q (de)
AU474593B2 (de)
AU474838B2 (de)
AU471343B2 (de)
AU450229B2 (de)
AU476714B2 (de)
FR2254758B1 (de)
AR201229Q (de)
AU466283B2 (de)
AU476696B2 (de)
AR199451A1 (de)
AU477823B2 (de)
AR197627A1 (de)
AR193950A1 (de)
AU447540B2 (de)
AR210729A1 (de)
AR201432A1 (de)
AR200885A1 (de)
AR200256A1 (de)
AR196382A1 (de)
AR195948A1 (de)
AU477824B2 (de)
AR195311A1 (de)

Legal Events

Date Code Title Description
ST Notification of lapse