FR2107231A5 - - Google Patents

Info

Publication number
FR2107231A5
FR2107231A5 FR7131916A FR7131916A FR2107231A5 FR 2107231 A5 FR2107231 A5 FR 2107231A5 FR 7131916 A FR7131916 A FR 7131916A FR 7131916 A FR7131916 A FR 7131916A FR 2107231 A5 FR2107231 A5 FR 2107231A5
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
FR7131916A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR2107231A5 publication Critical patent/FR2107231A5/fr
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
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
    • G04C23/18—Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times
    • G04C23/20—Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times with contacts operated, or formed by clock hands or elements of similar form
    • 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
    • F24F2013/242—Sound-absorbing material
FR7131916A 1970-09-16 1971-09-03 Expired FR2107231A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702045718 DE2045718A1 (en) 1970-09-16 1970-09-16

Publications (1)

Publication Number Publication Date
FR2107231A5 true FR2107231A5 (en) 1972-05-05

Family

ID=5782557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7131916A Expired FR2107231A5 (en) 1970-09-16 1971-09-03

Country Status (3)

Country Link
CH (1) CH529977A (en)
DE (1) DE2045718A1 (en)
FR (1) FR2107231A5 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2288949A1 (en) * 1974-10-24 1976-05-21 Eberspaecher J FRESH AIR SUPPLY SAS FOR THE VENTILATION OF THE PREMISES
WO2023281173A1 (en) 2021-07-05 2023-01-12 Psa Automobiles Sa Fixing assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2546113C2 (en) * 1975-10-15 1989-05-18 FSL Fenster-System Lüftung GmbH & Co Vertriebs KG, 6800 Mannheim Device for ventilation of rooms by means of a fan
DE2942482C2 (en) * 1979-10-20 1982-02-18 Heinz Georg 3626 Hünibach-Thun Baus Ventilation device
DE3112591C2 (en) * 1981-03-30 1983-12-29 Nixdorf Computer Ag, 4790 Paderborn Sound-insulating, closed device housing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2288949A1 (en) * 1974-10-24 1976-05-21 Eberspaecher J FRESH AIR SUPPLY SAS FOR THE VENTILATION OF THE PREMISES
WO2023281173A1 (en) 2021-07-05 2023-01-12 Psa Automobiles Sa Fixing assembly

Also Published As

Publication number Publication date
DE2045718A1 (en) 1972-03-23
CH529977A (en) 1972-12-15
CH1237271A4 (en) 1972-12-15

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Legal Events

Date Code Title Description
ST Notification of lapse