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FR853854A - Silencers for ventilation ducts and others - Google Patents

Silencers for ventilation ducts and others

Info

Publication number
FR853854A
FR853854A FR853854DA FR853854A FR 853854 A FR853854 A FR 853854A FR 853854D A FR853854D A FR 853854DA FR 853854 A FR853854 A FR 853854A
Authority
FR
France
Prior art keywords
silencers
ventilation ducts
ducts
ventilation
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
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.)
VENTIL ATEL
Original Assignee
VENTIL ATEL
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 VENTIL ATEL filed Critical VENTIL ATEL
Application granted granted Critical
Publication of FR853854A publication Critical patent/FR853854A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0336—Noise absorbers by means of sound-absorbing materials

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR853854D 1938-11-18 1938-11-18 Silencers for ventilation ducts and others Expired FR853854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR853854T 1938-11-18

Publications (1)

Publication Number Publication Date
FR853854A true FR853854A (en) 1940-03-30

Family

ID=9327299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853854D Expired FR853854A (en) 1938-11-18 1938-11-18 Silencers for ventilation ducts and others

Country Status (1)

Country Link
FR (1) FR853854A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748883A (en) * 1952-12-03 1956-06-05 Millard J Ralph Muffler unit
US3590946A (en) * 1969-12-03 1971-07-06 Mini Fold Scooter Co Inc Exhaust system
FR2372373A1 (en) * 1976-11-24 1978-06-23 Piening Werner Silencer for expanding gaseous media, using multiple restrictions - has plates with orifice arrays and combination of wire and fibre labyrinths
EP0074954A1 (en) * 1981-03-20 1983-03-30 Peabody Abc Corp Sound attenuator.
EP0318232A1 (en) * 1987-11-26 1989-05-31 Jaguar Cars Limited Insulated pipe
EP0399433A1 (en) * 1989-05-23 1990-11-28 Matsushita Electric Industrial Co., Ltd. A suction pipe for a vacuum cleaner
EP0487481A1 (en) * 1990-11-20 1992-05-27 Valmet Paper Machinery Inc. Absorptive sound attenuator, in particular for air ducts in paper mills

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748883A (en) * 1952-12-03 1956-06-05 Millard J Ralph Muffler unit
US3590946A (en) * 1969-12-03 1971-07-06 Mini Fold Scooter Co Inc Exhaust system
FR2372373A1 (en) * 1976-11-24 1978-06-23 Piening Werner Silencer for expanding gaseous media, using multiple restrictions - has plates with orifice arrays and combination of wire and fibre labyrinths
EP0074954A1 (en) * 1981-03-20 1983-03-30 Peabody Abc Corp Sound attenuator.
EP0074954A4 (en) * 1981-03-20 1983-08-01 Peabody Abc Corp Sound attenuator.
EP0318232A1 (en) * 1987-11-26 1989-05-31 Jaguar Cars Limited Insulated pipe
EP0399433A1 (en) * 1989-05-23 1990-11-28 Matsushita Electric Industrial Co., Ltd. A suction pipe for a vacuum cleaner
US5042108A (en) * 1989-05-23 1991-08-27 Matsushita Electric Industrial Co., Ltd. Suction pipe for a vacuum cleaner
EP0487481A1 (en) * 1990-11-20 1992-05-27 Valmet Paper Machinery Inc. Absorptive sound attenuator, in particular for air ducts in paper mills
US5260523A (en) * 1990-11-20 1993-11-09 Valmet Paper Machinery, Inc. Absorptive sound attenuator, in particular for air ducts in paper mills

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