CS563788A1 - Exhaust silencer for internal combustion engines - Google Patents

Exhaust silencer for internal combustion engines

Info

Publication number
CS563788A1
CS563788A1 CS885637A CS563788A CS563788A1 CS 563788 A1 CS563788 A1 CS 563788A1 CS 885637 A CS885637 A CS 885637A CS 563788 A CS563788 A CS 563788A CS 563788 A1 CS563788 A1 CS 563788A1
Authority
CS
Czechoslovakia
Prior art keywords
internal combustion
combustion engines
exhaust silencer
silencer
exhaust
Prior art date
Application number
CS885637A
Other languages
Czech (cs)
Other versions
CS271879B1 (en
Inventor
Jaroslav Cervinka
Pavel Ing Husak
Original Assignee
Jaroslav Cervinka
Husak Pavel
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 Jaroslav Cervinka, Husak Pavel filed Critical Jaroslav Cervinka
Priority to CS885637A priority Critical patent/CS271879B1/en
Priority to AU39423/89A priority patent/AU3942389A/en
Priority to DK388289A priority patent/DK388289A/en
Priority to EP89114827A priority patent/EP0355605A1/en
Publication of CS563788A1 publication Critical patent/CS563788A1/en
Publication of CS271879B1 publication Critical patent/CS271879B1/en

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
CS885637A 1988-08-16 1988-08-16 Exhaust silencer for internal combustion engines CS271879B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CS885637A CS271879B1 (en) 1988-08-16 1988-08-16 Exhaust silencer for internal combustion engines
AU39423/89A AU3942389A (en) 1988-08-16 1989-08-08 Silencer
DK388289A DK388289A (en) 1988-08-16 1989-08-08 MUFFLER
EP89114827A EP0355605A1 (en) 1988-08-16 1989-08-10 Silencer for exhaust systems

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
CS563788A1 true CS563788A1 (en) 1990-03-14
CS271879B1 CS271879B1 (en) 1990-12-13

Family

ID=5401597

Family Applications (1)

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

Country Status (4)

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

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 (en) * 2004-08-16 2006-02-17 Pauline Blain Sound wave attenuation system for e.g. heat engine, has semi-sphere diffusing gas/sound or air/sound mixture, where sound waves contained in gas or air reflects inside another semi-sphere for rising in counter-direction of mixture in space
DE102010008403A1 (en) * 2010-02-18 2011-08-18 J. Eberspächer GmbH & Co. KG, 73730 silencer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR839063A (en) * 1937-12-02 1939-03-23 Citroen Sa Andre Exhaust silencer improvements
US2199164A (en) * 1938-11-17 1940-04-30 Herbert S Powell Muffler
DE736633C (en) * 1941-10-26 1943-06-23 Eberspaecher J Silencer consisting of several chambers, in which the gases flow along the jacket of the silencer, for internal combustion engines
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 (en) * 1978-05-17 1978-05-17 Fiat Spa EXHAUST SILENCER FOR AGRICULTURAL TRACTORS
FR2598176B1 (en) * 1986-04-30 1990-01-19 Boet Sa Andre SILENCER FOR GAS CURRENT

Also Published As

Publication number Publication date
EP0355605A1 (en) 1990-02-28
DK388289D0 (en) 1989-08-08
AU3942389A (en) 1990-02-22
DK388289A (en) 1990-02-17
CS271879B1 (en) 1990-12-13

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