FR853854A - Silencers for ventilation ducts and others - Google Patents
Silencers for ventilation ducts and othersInfo
- 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
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)
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)
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 |
-
1938
- 1938-11-18 FR FR853854D patent/FR853854A/en not_active Expired
Cited By (10)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR853854A (en) | Silencers for ventilation ducts and others | |
FR858108A (en) | Obturator for compressible tubes | |
FR915882A (en) | Removable furnace pipe | |
FR854801A (en) | Car hood | |
FR835435A (en) | Static vacuum cleaner for chimneys, ventilation ducts, and others | |
FR842382A (en) | Bearing improvements | |
FR845544A (en) | Berth | |
FR846340A (en) | Boiler improvement | |
FR878084A (en) | Vacuum tent for smoke and ventilation ducts | |
FR737015A (en) | Ventilation outlet | |
FR840932A (en) | Powder-sulfur improvements | |
FR850091A (en) | Vélocimanes improvements | |
FR850552A (en) | Propeller | |
FR842719A (en) | Training for ergographers | |
AT170980B (en) | Chimney system | |
FR838881A (en) | Dressing box | |
DK57864C (en) | Ventilation pipes. | |
FR857878A (en) | Saxophone | |
FR860629A (en) | Accordion | |
FR847224A (en) | Flowmeter-regulator or flowmeter-regulator | |
FR847762A (en) | Ventilation improvements | |
FR852449A (en) | Branch box | |
FR852145A (en) | Pushbutton-controlled fluxometers improvements | |
FR850153A (en) | Torpedo | |
FR851227A (en) | Goal |