CH478336A - Exhaust silencers, in particular for rotary piston engines - Google Patents

Exhaust silencers, in particular for rotary piston engines

Info

Publication number
CH478336A
CH478336A CH560668A CH560668A CH478336A CH 478336 A CH478336 A CH 478336A CH 560668 A CH560668 A CH 560668A CH 560668 A CH560668 A CH 560668A CH 478336 A CH478336 A CH 478336A
Authority
CH
Switzerland
Prior art keywords
rotary piston
piston engines
exhaust silencers
silencers
exhaust
Prior art date
Application number
CH560668A
Other languages
German (de)
Inventor
Boysen Friedrich
Original Assignee
Boysen Friedrich
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 Boysen Friedrich filed Critical Boysen Friedrich
Publication of CH478336A publication Critical patent/CH478336A/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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
    • 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
    • F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
    • 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
    • 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)
CH560668A 1967-11-15 1968-04-17 Exhaust silencers, in particular for rotary piston engines CH478336A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0095414 1967-11-15

Publications (1)

Publication Number Publication Date
CH478336A true CH478336A (en) 1969-09-15

Family

ID=6988136

Family Applications (1)

Application Number Title Priority Date Filing Date
CH560668A CH478336A (en) 1967-11-15 1968-04-17 Exhaust silencers, in particular for rotary piston engines

Country Status (5)

Country Link
BE (1) BE714642A (en)
CH (1) CH478336A (en)
DE (1) DE1576754A1 (en)
FR (1) FR1573620A (en)
NL (1) NL6805865A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3724087A1 (en) * 1987-07-21 1989-02-02 Leistritz Ag Exhaust silencer

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2257852C2 (en) * 1972-11-25 1986-07-17 Fa. J. Eberspächer, 7300 Esslingen Exhaust silencer for multi-cylinder internal combustion engines
DE2857716C2 (en) * 1977-05-27 1986-08-28 Honda Giken Kogyo K.K., Tokio/Tokyo Expansion chamber for an exhaust system for internal combustion engines
US4192402A (en) 1977-05-27 1980-03-11 Honda Giken Kogyo Kabushiki Kaisha Muffler for internal combustion engines
DE8021494U1 (en) * 1980-08-11 1980-11-20 Fichtel & Sachs Ag, 8720 Schweinfurt EXHAUST Muffler FOR A TWO-STROKE INTERNATIONAL ENGINE
CN106368783B (en) * 2016-09-26 2018-12-14 南京航空航天大学 Full frequency band large noise elimination quantity auto NVH tests absolute silencer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3724087A1 (en) * 1987-07-21 1989-02-02 Leistritz Ag Exhaust silencer

Also Published As

Publication number Publication date
FR1573620A (en) 1969-07-04
BE714642A (en) 1968-09-30
DE1576754A1 (en) 1970-03-26
NL6805865A (en) 1969-05-19

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Legal Events

Date Code Title Description
PL Patent ceased