FR2143276B1 - - Google Patents

Info

Publication number: FR2143276B1
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

FR727222531A

Other versions

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.)

1971-06-24

Filing date

1972-06-22

Publication date

1973-07-13

1972-06-22 Application filed by Individual filed Critical Individual

1973-02-02 Publication of FR2143276A1 publication Critical patent/FR2143276A1/fr

1973-07-13 Application granted granted Critical

1973-07-13 Publication of FR2143276B1 publication Critical patent/FR2143276B1/fr

Status 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
- 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

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Exhaust Silencers (AREA)
Soundproofing, Sound Blocking, And Sound Damping (AREA)

FR727222531A 1971-06-24 1972-06-22 Expired FR2143276B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2131410A DE2131410C3 (de)	1971-06-24	1971-06-24	Schalldämpfer, insbesondere für lufttechnische Anlagen

Publications (2)

Publication Number	Publication Date
FR2143276A1 FR2143276A1 (fr)	1973-02-02
FR2143276B1 true FR2143276B1 (fr)	1973-07-13

Family

ID=5811709

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR727222531A Expired FR2143276B1 (fr)	1971-06-24	1972-06-22

Country Status (8)

Country	Link
US (1)	US3791483A (fr)
AT (1)	AT320223B (fr)
CH (1)	CH550964A (fr)
DE (1)	DE2131410C3 (fr)
FR (1)	FR2143276B1 (fr)
GB (1)	GB1373292A (fr)
IT (1)	IT956565B (fr)
NL (1)	NL7208711A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3955643A (en) *	1974-07-03	1976-05-11	Brunswick Corporation	Free flow sound attenuating device and method of making
FR2498793A1 (fr) *	1981-01-29	1982-07-30	Snecma	Garniture insonorisante pour conduit de gaz notamment pour veine de soufflante de turboreacteur et outillage pour sa fabrication
IL103521A (en) *	1991-12-26	1996-10-31	Gen Electric	Visco-elastic muffler for motor struts
DE9317376U1 (de) *	1993-11-12	1994-02-03	Wilms Peter	Vorrichtung zur Schalldämpfung an einem Silofahrzeug
AT408676B (de) *	1999-12-07	2002-02-25	Kamleithner Maly Uta Mag Ing	Lüftungsrohr, insbesondere zuluftrohr
US6868939B2 (en) *	2003-02-25	2005-03-22	Vicious Cycle Performance, Inc.	Exhaust silencer system
FI6728U1 (fi) *	2004-03-24	2005-06-30	Uponor Innovation Ab	Ilmanvaihtokanavan äänenvaimennin
US20060157295A1 (en) *	2005-01-14	2006-07-20	Ziehl John C	Combination muffler and spark arrester
US7367424B2 (en) *	2005-02-14	2008-05-06	Honeywell International, Inc.	Eccentric exhaust muffler for use with auxiliary power units
US7784283B2 (en) *	2006-05-03	2010-08-31	Rohr, Inc.	Sound-absorbing exhaust nozzle center plug
US7959412B2 (en) *	2006-09-29	2011-06-14	General Electric Company	Wind turbine rotor blade with acoustic lining
US20110186378A1 (en) *	2008-09-22	2011-08-04	Stebro Psd Ltd.	Open chamber exhaust mufflers and related methods of manufacture and use
CN103711984B (zh) *	2012-09-28	2018-04-13	费希尔控制国际公司	简化的模态衰减器
US9376946B1 (en)	2015-04-02	2016-06-28	Fisher Controls International Llc	Modal attenuator
US11808490B2 (en) *	2017-10-11	2023-11-07	Carrier Corporation	Muffler with metallic meshed rings
US20190120414A1 (en) *	2017-10-23	2019-04-25	Hamilton Sundstrand Corporation	Duct assembly having internal noise reduction features, thermal insulation and leak detection
DE102020100162B4 (de) *	2020-01-07	2023-01-12	Umfotec Gmbh	Vorrichtung zur Absenkung von Luft- und Körperschall

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1909511A (en) *	1929-11-01	1933-05-16	Gen Motors Res Corp	Muffler
FR782848A (fr) *	1934-03-03	1935-06-12	Bronzavia Sa	Silencieux pour moteurs à explosions et autres applications
US2326612A (en) *	1940-11-25	1943-08-10	Maxim Silencer Co	Silencer
US2514996A (en) *	1948-07-28	1950-07-11	Jr Charles H Faust	Flash eliminator and silencer for firearms
US3132717A (en) *	1955-05-27	1964-05-12	Bolt Beranek & Newman	Acoustically absorbent conduit
US2989136A (en) *	1959-04-14	1961-06-20	Wohlberg George	Sound attenuation
US3141520A (en) *	1960-01-14	1964-07-21	Grunzweig And Hartmann A G	Sound absorber for gas conduits
US3142354A (en) *	1960-08-09	1964-07-28	Gutehoffnungshuette Sterkrade	Sound absorption device and method of manufacture

1971
- 1971-06-24 DE DE2131410A patent/DE2131410C3/de not_active Expired
1972
- 1972-06-09 AT AT501472A patent/AT320223B/de not_active IP Right Cessation
- 1972-06-14 CH CH885372A patent/CH550964A/xx not_active IP Right Cessation
- 1972-06-15 IT IT25676/72A patent/IT956565B/it active
- 1972-06-19 US US00264209A patent/US3791483A/en not_active Expired - Lifetime
- 1972-06-19 GB GB2858272A patent/GB1373292A/en not_active Expired
- 1972-06-22 FR FR727222531A patent/FR2143276B1/fr not_active Expired
- 1972-06-23 NL NL7208711A patent/NL7208711A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
IT956565B (it)	1973-10-10
AT320223B (de)	1975-01-27
US3791483A (en)	1974-02-12
DE2131410A1 (de)	1973-01-11
NL7208711A (fr)	1972-12-28
GB1373292A (en)	1974-11-06
FR2143276A1 (fr)	1973-02-02
DE2131410C3 (de)	1975-04-30
CH550964A (de)	1974-06-28
DE2131410B2 (de)	1974-09-12

Legal Events

Date	Code	Title	Description
1980-04-04	ST	Notification of lapse

Publication	Publication Date	Title
FR2143276B1 (fr)	1973-07-13
ATA136472A (fr)	1973-12-15
AR196074A1 (fr)	1973-11-30
AU475918B1 (fr)	1974-02-28
AU2941471A (fr)	1972-11-30
AU2952271A (fr)	1972-12-07
AU3005371A (fr)	1972-12-21
AU2894671A (fr)	1972-11-23
AU2485671A (fr)	1972-08-03
AU2473671A (fr)	1972-08-03
AU2455871A (fr)	1972-07-27
AU2927871A (fr)	1972-11-30
AU2837671A (fr)	1972-11-09
AU2854371A (fr)	1972-11-09
AU2875571A (fr)	1972-11-16
AU2880771A (fr)	1972-11-16
AU2885171A (fr)	1972-11-16
AU2486471A (fr)	1972-08-03
AU2930871A (fr)	1972-11-30
AU2938071A (fr)	1972-11-30
AU3038671A (fr)	1973-01-04
AU2415871A (fr)	1972-07-13
AU2940971A (fr)	1972-11-30
AR199640Q (fr)	1974-09-23
AU2963771A (fr)	1972-12-07