DK388289A - Lyddaemper - Google Patents

Lyddaemper Download PDF

Info

Publication number: DK388289A
Authority: DK; Denmark
Prior art keywords: muffler
Prior art date: 1988-08-16

Application number

DK388289A

Other languages

English (en)

Other versions

DK388289D0 (da

Inventor

Jaroslav Cervinka

Pavel Husak

Original Assignee

Jawa Narodni Podvik

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.)

1988-08-16

Filing date

1989-08-08

Publication date

1990-02-17

1989-08-08 Application filed by Jawa Narodni Podvik filed Critical Jawa Narodni Podvik

1989-08-08 Publication of DK388289D0 publication Critical patent/DK388289D0/da

1990-02-17 Publication of DK388289A publication Critical patent/DK388289A/da

Links

Classifications

- 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
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
- 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
- F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
- 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
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
- 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
- F01N2210/00—Combination of methods of silencing
- F01N2210/02—Resonance and interference
- 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
- F01N2210/00—Combination of methods of silencing
- F01N2210/04—Throttling-expansion and resonance
- 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
- F01N2210/00—Combination of methods of silencing
- F01N2210/06—Throttling-expansion and interference
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/02—Tubes being perforated
- F01N2470/04—Tubes being perforated characterised by shape, disposition or dimensions of apertures
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/08—Gas passages being formed between the walls of an outer shell and an inner chamber
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/12—Tubes being corrugated
- 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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/15—Plurality of resonance or dead chambers
- F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction

Landscapes

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

DK388289A 1988-08-16 1989-08-08 Lyddaemper DK388289A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CS885637A CS271879B1 (en)	1988-08-16	1988-08-16	Exhaust silencer for internal combustion engines

Publications (2)

Publication Number	Publication Date
DK388289D0 DK388289D0 (da)	1989-08-08
DK388289A true DK388289A (da)	1990-02-17

Family

ID=5401597

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK388289A DK388289A (da)	1988-08-16	1989-08-08	Lyddaemper

Country Status (4)

Country	Link
EP (1)	EP0355605A1 (da)
AU (1)	AU3942389A (da)
CS (1)	CS271879B1 (da)
DK (1)	DK388289A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6776257B1 (en) *	2003-05-13	2004-08-17	Silent Exhaust Systems Ltd.	Sound-attenuating muffler having reduced back pressure
FR2874233A1 (fr) *	2004-08-16	2006-02-17	Pauline Blain	Systeme pour attenuer les ondes sonores contenues dans les gaz ou l'air d'evacuation des moteurs thermiques ou turbines ou materiels fonctionnant a l'air comprime
DE102010008403A1 (de) *	2010-02-18	2011-08-18	J. Eberspächer GmbH & Co. KG, 73730	Schalldämpfer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR839063A (fr) *	1937-12-02	1939-03-23	Citroen Sa Andre	Perfectionnements aux silencieux d'échappement
US2199164A (en) *	1938-11-17	1940-04-30	Herbert S Powell	Muffler
DE736633C (de) *	1941-10-26	1943-06-23	Eberspaecher J	Aus mehreren Kammern bestehender Schalldaempfer, bei dem die Gase dem Mantel des Schalldaempfers entlangstroemen, fuer Brennkraftmaschinen
US2838128A (en) *	1955-08-30	1958-06-10	Sr Edward A Kliewer	Engine exhaust muffler
US2881852A (en) *	1956-06-14	1959-04-14	Gen Motors Corp	Exhaust muffler means
GB1513473A (en) *	1974-08-28	1978-06-07	Yamaha Motor Co Ltd	Method and apparatus for silencing the exhaust noise of internal combustion engines
US4143739A (en) *	1977-05-09	1979-03-13	Nelson Industries, Inc.	Concentric pass-type muffler construction
IT7853327V0 (it) *	1978-05-17	1978-05-17	Fiat Spa	Silenziatore di scarico per trattori agricoli
FR2598176B1 (fr) *	1986-04-30	1990-01-19	Boet Sa Andre	Silencieux pour courant gazeux

1988
- 1988-08-16 CS CS885637A patent/CS271879B1/cs unknown
1989
- 1989-08-08 AU AU39423/89A patent/AU3942389A/en not_active Abandoned
- 1989-08-08 DK DK388289A patent/DK388289A/da not_active Application Discontinuation
- 1989-08-10 EP EP89114827A patent/EP0355605A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
CS563788A1 (en)	1990-03-14
DK388289D0 (da)	1989-08-08
EP0355605A1 (de)	1990-02-28
CS271879B1 (en)	1990-12-13
AU3942389A (en)	1990-02-22

Legal Events

Date	Code	Title	Description
1992-04-21	AHB	Application shelved due to non-payment
1996-06-17	AHB	Application shelved due to non-payment

Publication	Publication Date	Title
DE68908734D1 (de)	1993-10-07	Schalldämpfer.
FI892743A (fi)	1989-12-07	Luupuikko
ATA901789A (de)	1997-07-15	Somatostatinpeptid
DK611889D0 (da)	1989-12-05	2-amino-4- eller -5-methoxycyclohexylamider
DK664989A (da)	1990-06-29	Mikrodrivapparat
ATA900689A (de)	1997-01-15	Calcitoninpeptide
ATA172889A (de)	1994-02-15	Furanderivate
DK666589D0 (da)	1989-12-22	D-vitamin homologer
DE69028749D1 (de)	1996-11-07	Schalldämpfer
FI903767A0 (fi)	1990-07-27	Kuulatasolaite
NO176872C (no)	1995-06-14	Sentrifugalsikt
FI893573A0 (fi)	1989-07-26	Ohutkalvoelektroluminesenssilaite
DE58906750D1 (de)	1994-03-03	Geräuschdämpfer.
IT8833158V0 (it)	1988-09-01	Eufiber-fibrabuona
DK388289D0 (da)	1989-08-08	Lyddaemper
NO173466C (no)	1993-12-15	Lyddemper
SE9000113D0 (sv)	1990-01-12	Engine
KR880007759U (ko)	1988-06-28	무음 인자 장치
KR890019874U (ko)	1989-10-05	카데크
NO884091D0 (no)	1988-09-15	Lyddemper.
IT8882002A0 (it)	1988-03-07	Marmitta ecologica
NO175190C (no)	1994-09-14	Nedfiringsanordning
BR6800600U (pt)	1988-06-28	Hidro-serra
BR6800108U (pt)	1989-09-12	Supercross
SE8801863D0 (sv)	1988-04-29	Vattenrefsa