FR2509787B3 - - Google Patents

Info

Publication number
FR2509787B3
FR2509787B3 FR8113932A FR8113932A FR2509787B3 FR 2509787 B3 FR2509787 B3 FR 2509787B3 FR 8113932 A FR8113932 A FR 8113932A FR 8113932 A FR8113932 A FR 8113932A FR 2509787 B3 FR2509787 B3 FR 2509787B3
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
FR8113932A
Other languages
French (fr)
Other versions
FR2509787A3 (en
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.)
OBERG OLOV
Original Assignee
OBERG OLOV
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 OBERG OLOV filed Critical OBERG OLOV
Priority to FR8113932A priority Critical patent/FR2509787A3/en
Publication of FR2509787A3 publication Critical patent/FR2509787A3/en
Application granted granted Critical
Publication of FR2509787B3 publication Critical patent/FR2509787B3/fr
Granted legal-status Critical Current

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
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • 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
    • F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
FR8113932A 1981-07-15 1981-07-15 Silencer for IC-engine - has apertures in intermediate walls of perforated pipe allowing partial axial flow Granted FR2509787A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8113932A FR2509787A3 (en) 1981-07-15 1981-07-15 Silencer for IC-engine - has apertures in intermediate walls of perforated pipe allowing partial axial flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8113932A FR2509787A3 (en) 1981-07-15 1981-07-15 Silencer for IC-engine - has apertures in intermediate walls of perforated pipe allowing partial axial flow

Publications (2)

Publication Number Publication Date
FR2509787A3 FR2509787A3 (en) 1983-01-21
FR2509787B3 true FR2509787B3 (en) 1983-09-16

Family

ID=9260587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8113932A Granted FR2509787A3 (en) 1981-07-15 1981-07-15 Silencer for IC-engine - has apertures in intermediate walls of perforated pipe allowing partial axial flow

Country Status (1)

Country Link
FR (1) FR2509787A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115875134B (en) * 2022-11-29 2023-07-14 哈尔滨理工大学 Gas turbine bleed air mixing nozzle and noise elimination method

Also Published As

Publication number Publication date
FR2509787A3 (en) 1983-01-21

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Legal Events

Date Code Title Description
ST Notification of lapse