CA968617A - Acoustical ventilator - Google Patents

Acoustical ventilator

Info

Publication number
CA968617A
CA968617A CA151,442A CA151442A CA968617A CA 968617 A CA968617 A CA 968617A CA 151442 A CA151442 A CA 151442A CA 968617 A CA968617 A CA 968617A
Authority
CA
Canada
Prior art keywords
acoustical
ventilator
acoustical ventilator
Prior art date
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
CA151,442A
Other versions
CA151442S (en
Inventor
Ludwig H. Schorn
Hermann Schorn
Bernard E. Brinton
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.)
Robertson Bauelemente GmbH
Original Assignee
Robertson Bauelemente GmbH
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 Robertson Bauelemente GmbH filed Critical Robertson Bauelemente GmbH
Application granted granted Critical
Publication of CA968617A publication Critical patent/CA968617A/en
Expired 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
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S454/00—Ventilation
    • Y10S454/906—Noise inhibiting means
CA151,442A 1971-11-12 1972-09-11 Acoustical ventilator Expired CA968617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2156189A DE2156189C2 (en) 1971-11-12 1971-11-12 Roof vent

Publications (1)

Publication Number Publication Date
CA968617A true CA968617A (en) 1975-06-03

Family

ID=5824887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,442A Expired CA968617A (en) 1971-11-12 1972-09-11 Acoustical ventilator

Country Status (4)

Country Link
US (1) US3855910A (en)
CA (1) CA968617A (en)
DE (1) DE2156189C2 (en)
GB (1) GB1371586A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1602976A (en) * 1978-05-31 1981-11-18 Robertson Uk Ltd H H Natural ventilators
AU5431080A (en) * 1979-01-19 1980-07-24 Carrier Drysys Ltd. Paint spray booth
US4334460A (en) * 1980-06-03 1982-06-15 Giles Arthur Ellis Cap for a chimney
IT1205247B (en) * 1981-06-10 1989-03-15 Paolo Fioratti EXTRACTOR DEVICE TO INCREASE AND REGULATE NATURAL VENTILATION IN INDUSTRIAL BUILDINGS
US4548137A (en) * 1985-03-05 1985-10-22 Lane Byron D Wind cap
US6457550B1 (en) * 2001-03-06 2002-10-01 Twin City Fan Companies, Ltd. Weatherproof sound attenuating device
US7334662B1 (en) * 2005-08-11 2008-02-26 International Business Machines Corporation Equipment enclosure acoustical door with low impedance distributed air flow
US9572720B2 (en) * 2009-09-29 2017-02-21 Covidien Lp Reduced noise pneumatic compression garment
US8328741B2 (en) 2009-09-29 2012-12-11 Covidien Lp Pneumatic compression garment with noise attenuating means
US8469910B2 (en) * 2009-09-29 2013-06-25 Covidien Lp Pneumatic compression garment with noise attenuating means
CN102211088B (en) * 2011-06-03 2013-06-12 单连勤 Roof natural-ventilation deduster

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD37333A (en) *
US2037884A (en) * 1932-11-11 1936-04-21 Burgess Lab Inc C F Silencer
US2127099A (en) * 1936-07-01 1938-08-16 Burt Mfg Company Ridge type ventilator
US2168798A (en) * 1938-03-31 1939-08-08 W F Hirschman Co Inc Structural curb
US2404961A (en) * 1942-12-30 1946-07-30 Klauer Mfg Company Ventilator
DE1865274U (en) * 1962-09-12 1963-01-10 Gruenzweig & Hartmann A G HOLDER FOR PREFERABLY VENTILATIVE, SOUND-ABSORBING CEILING OR WALL CLADDING.
US3213776A (en) * 1963-07-03 1965-10-26 Robertson Co H H Cable operating means for ridge ventilator
US3330379A (en) * 1964-11-12 1967-07-11 Loren Cook Company Device for attenuating sound waves and the combination thereof with a curb and ventilator
US3219143A (en) * 1965-02-10 1965-11-23 Acme Engineering And Mfg Corp Acoustic curb for building-roof air exhauster
US3696731A (en) * 1971-03-29 1972-10-10 Lear Siegler Inc Air distributing apparatus

Also Published As

Publication number Publication date
US3855910A (en) 1974-12-24
DE2156189C2 (en) 1984-02-02
DE2156189A1 (en) 1973-06-14
GB1371586A (en) 1974-10-23

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