NO831722L - MUFFLER. - Google Patents

MUFFLER.

Info

Publication number: NO831722L
Authority: NO; Norway
Prior art keywords: muffler
Prior art date: 1982-05-14

Application number

NO831722A

Other languages

Norwegian (no)

Other versions

NO162931B (en

NO162931C (en

Inventor

Berit Irene Persson

Original Assignee

Bahco Ventilation Ab

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.)

1982-05-14

Filing date

1983-05-13

Publication date

1983-11-15

1983-05-13 Application filed by Bahco Ventilation Ab filed Critical Bahco Ventilation Ab

1983-11-15 Publication of NO831722L publication Critical patent/NO831722L/en

1989-11-27 Publication of NO162931B publication Critical patent/NO162931B/en

1990-03-07 Publication of NO162931C publication Critical patent/NO162931C/en

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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
- 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

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Exhaust Silencers (AREA)
Duct Arrangements (AREA)
Building Environments (AREA)

NO831722A 1982-05-14 1983-05-13 MUFFLER. NO162931C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8203030A SE450656B (en)	1982-05-14	1982-05-14	Muffler for ventilation ducts or ventilation equipment

Publications (3)

Publication Number	Publication Date
NO831722L true NO831722L (en)	1983-11-15
NO162931B NO162931B (en)	1989-11-27
NO162931C NO162931C (en)	1990-03-07

Family

ID=20346812

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO831722A NO162931C (en)	1982-05-14	1983-05-13	MUFFLER.

Country Status (7)

Country	Link
DE (1)	DE3317273A1 (en)
DK (1)	DK159669C (en)
FI (1)	FI75415C (en)
FR (1)	FR2526860B1 (en)
GB (1)	GB2122256B (en)
NO (1)	NO162931C (en)
SE (1)	SE450656B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3934756A1 (en) *	1989-10-18	1991-04-25	Kuehnle Kopp Kausch Ag	Noise damper for axial-flow fan - has adjacent sound absorbing chamber behind diffuser core and/or jacket transversely to flow direction
FI91995C (en) *	1990-11-20	1994-09-12	Valmet Paper Machinery Inc	Absorptive silencer, especially for air ducts in paper mills
WO1992009988A1 (en) *	1990-11-21	1992-06-11	Sound Attenuators Limited	Improvements in attenuators
GB2267731A (en) *	1992-06-10	1993-12-15	Lancaster Glass Fibre	Sound absorber insert for an exhaust silencer.
SE9604664L (en)	1996-12-19	1998-01-19	Flaekt Ab	Device and method of noise reduction in a gaseous medium transport system and use of the device in a ship exhaust system
US6062270A (en) *	1997-01-27	2000-05-16	Lindab Ab	Double-walled structure in a ventilation duct system
US5801342A (en) *	1997-01-27	1998-09-01	Lindab Ab	Double-walled structure and method and arrangement for producing the same
EP0897083A3 (en) *	1997-08-14	2000-03-29	Müller-BBM GmbH	Ultrasonic sound attenuator
SE511627C2 (en) *	1997-11-03	1999-11-01	Stifab Farex Ab	Muffler baffle for rectangular vents
SE511628C2 (en) *	1997-11-10	1999-11-01	Stifab Farex Ab	Silencer with baffles for rectangular ventilation ducts
US6073723A (en) *	1998-06-05	2000-06-13	Gallo; Anthony	Acoustic damping material
SE521395C2 (en) *	1998-07-10	2003-10-28	Lindab Ab	Double-wall construction in a ventilation duct system and use of a sheet metal strip
US6543575B1 (en)	2000-06-14	2003-04-08	Lindab Ab	Double-walled structure and connection arrangement
FI122523B (en)	2008-04-30	2012-03-15	Metso Paper Inc	Low-frequency silencer, a method for manufacturing a low-frequency silencer, and a system for low-frequency silencers, for example, in air-conditioning ducts for paper mills
WO2014076355A1 (en)	2012-11-15	2014-05-22	Wärtsilä Finland Oy	An exhaust gas noise attenuator unit for internal combustion piston engine
GB2519749B (en) *	2013-10-24	2015-08-05	Bentley Motors Ltd	Tyre cavity noise absorber
GB2528950A (en)	2014-08-06	2016-02-10	Aaf Ltd	Sound suppression apparatus
CN110770511A (en) *	2017-04-14	2020-02-07	弗劳恩霍夫应用研究促进协会	Split muffler assembly with sound absorbing end sides
JP6851404B2 (en) *	2018-01-31	2021-03-31	富士フイルム株式会社	Silent ventilation structure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2019416B2 (en) *	1970-04-22	1972-04-20	Isoliertechnik Horst Grassmann, 6000 Frankfurt	SILENCER FOR STREAMING GASES
GB1423986A (en) *	1972-02-21	1976-02-04	Colchester Woods	Sound attenuating units for ventilating openings
US3776364A (en) *	1972-04-28	1973-12-04	Donaldson Co Inc	Noise reduction apparatus and method
GB1432206A (en) *	1973-06-29	1976-04-14	Caterpillar Tractor Co	Sound attenuating engine enclosures for vehicles
DE2513946C2 (en) *	1975-03-29	1981-11-26	Gebrüder Trox, GmbH, 4133 Neukirchen-Vluyn	Splitter silencer
DE2630056A1 (en) *	1975-07-30	1977-02-17	Industrial Acoustics Co	SILENCER
GB1570074A (en) *	1977-07-13	1980-06-25	British Gas Corp	Ventilators
US4287962A (en) *	1977-11-14	1981-09-08	Industrial Acoustics Company	Packless silencer
DE3202078A1 (en) *	1982-01-23	1983-08-04	IT - Isoliertechnik und Schallschutz GmbH, 4830 Gütersloh	Silencer

1982
- 1982-05-14 SE SE8203030A patent/SE450656B/en not_active IP Right Cessation
1983
- 1983-05-03 GB GB08312060A patent/GB2122256B/en not_active Expired
- 1983-05-09 FI FI831586A patent/FI75415C/en not_active IP Right Cessation
- 1983-05-09 FR FR8307681A patent/FR2526860B1/en not_active Expired
- 1983-05-11 DE DE19833317273 patent/DE3317273A1/en active Granted
- 1983-05-13 DK DK214483A patent/DK159669C/en not_active IP Right Cessation
- 1983-05-13 NO NO831722A patent/NO162931C/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
DK214483A (en)	1983-11-15
SE450656B (en)	1987-07-13
DK159669B (en)	1990-11-12
NO162931B (en)	1989-11-27
GB8312060D0 (en)	1983-06-08
DE3317273C2 (en)	1991-04-11
FR2526860A1 (en)	1983-11-18
FI831586A0 (en)	1983-05-09
FI75415C (en)	1988-06-09
DK214483D0 (en)	1983-05-13
NO162931C (en)	1990-03-07
FI75415B (en)	1988-02-29
DE3317273A1 (en)	1983-11-17
SE8203030L (en)	1983-11-15
DK159669C (en)	1991-04-15
GB2122256A (en)	1984-01-11
GB2122256B (en)	1985-11-13
FR2526860B1 (en)	1989-06-16
FI831586L (en)	1983-11-15

Legal Events

Date	Code	Title	Description
2003-06-30	MK1K	Patent expired	Free format text: EXPIRED IN MAY 2003

Publication	Publication Date	Title
FI78601B (en)	1989-05-31	ENGAONGSBLOEJA.
FI78611B (en)	1989-05-31	UPPBEVARINGSPAOSE.
FI73534B (en)	1987-06-30	BANDKASSETT.
FI73505B (en)	1987-06-30	FAESTELEMENT.
IT8222077A0 (en)	1982-06-28	SILENCER.
NO831722L (en)	1983-11-15	MUFFLER.
FI823990L (en)	1984-05-20	FAESTNINGSKLAEMMARE.
FI77050B (en)	1988-09-30	GELATINKOMPOSITION FOER SPRUTGJUTNING.
FI78606B (en)	1989-05-31	SAEKERHETSSAETE.
DE3381054D1 (en)	1990-02-08	IMMUNOESSAY.
DE3482560D1 (en)	1990-07-26	SILENCER.
FI73520B (en)	1987-06-30	MAOLANORDNING.
ES272075Y (en)	1984-05-16	CORRETILLA.
FI824194L (en)	1984-06-08	FOERTILLVERKAT BETONGARMERINGSELEMENT.
FI824023L (en)	1984-05-24	TAPET.
FI824052L (en)	1984-05-26	FILTRERINGSPRESS.
FI73929B (en)	1987-08-31	FOERFLYTTBAR LASTTRANSPORTOER.
FI824188L (en)	1984-06-04	FAESTSYSTEM FOER JORDBRUKSMASKINSBILLAR.
IT8122867A0 (en)	1981-07-10	SILENCER.
ES264402Y (en)	1983-05-16	TARRINA.
ES263643Y (en)	1983-04-16	MUNECO MACETERO.
ES268259Y (en)	1983-11-16	LIGHTER-BULLET.
ES269334Y (en)	1984-01-16	CABINET-LOCKER.
ES267329Y (en)	1983-09-16	SWITCH-SWITCH.
ES267181Y (en)	1983-08-16	BREATHALYSER.