ATE179777T1 - EXHAUST MUFFLER - Google Patents

EXHAUST MUFFLER

Info

Publication number
ATE179777T1
ATE179777T1 AT95111537T AT95111537T ATE179777T1 AT E179777 T1 ATE179777 T1 AT E179777T1 AT 95111537 T AT95111537 T AT 95111537T AT 95111537 T AT95111537 T AT 95111537T AT E179777 T1 ATE179777 T1 AT E179777T1
Authority
AT
Austria
Prior art keywords
pipe
chamber
exhaust
passages
exhaust muffler
Prior art date
Application number
AT95111537T
Other languages
German (de)
Inventor
Hans-Peter Mai
Original Assignee
Roth Technik Austria
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 Roth Technik Austria filed Critical Roth Technik Austria
Application granted granted Critical
Publication of ATE179777T1 publication Critical patent/ATE179777T1/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
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with 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
    • 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
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/20—Methods or apparatus for fitting, inserting or repairing different elements by mechanical joints, e.g. by deforming housing, tube, baffle plate or parts thereof
    • 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
    • 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
    • F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
    • 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
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
    • 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
    • F01N2490/08—Two or more expansion chambers in series separated by apertured walls only

Landscapes

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

Abstract

The exhaust feed pipe (1) extends mainly over the complete length of the housing. Passages (3) for the exhaust gas are located in only one pipe jacket section (4). The pipe is enclosed by a first chamber (11), one jacket section (12) of which also has exhaust passages (13), opposite to those in the pipe. The first chamber is surrounded by a second chamber (19). This is connected to the discharge pipe (23), and its outer jacket pipe (6) is eccentric to the first chamber. The discharge pipe extends at right-angles to the feed pipe. Its exhaust intakes (22) are diametrically opposite to the exhaust passages (15) of the second chamber.
AT95111537T 1994-10-05 1995-07-21 EXHAUST MUFFLER ATE179777T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4435662A DE4435662A1 (en) 1994-10-05 1994-10-05 Exhaust silencer

Publications (1)

Publication Number Publication Date
ATE179777T1 true ATE179777T1 (en) 1999-05-15

Family

ID=6530061

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95111537T ATE179777T1 (en) 1994-10-05 1995-07-21 EXHAUST MUFFLER

Country Status (3)

Country Link
EP (1) EP0705961B1 (en)
AT (1) ATE179777T1 (en)
DE (2) DE4435662A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107849955B (en) * 2015-06-17 2021-10-26 奥比托澳大利亚有限公司 Silencer with improved structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1432797A (en) * 1920-08-04 1922-10-24 R E M Strickland Muffler
GB276074A (en) * 1926-05-18 1927-08-18 Ole Solberg Bie Improvements in exhaust-silencers
GB376815A (en) * 1931-04-14 1932-07-14 Frederick Heather Improvements in and relating to silencers for gaseous currents
GB1364100A (en) * 1971-11-03 1974-08-21 Stemp L W Gas silnencer
DE2257852C2 (en) 1972-11-25 1986-07-17 Fa. J. Eberspächer, 7300 Esslingen Exhaust silencer for multi-cylinder internal combustion engines
US4122913A (en) * 1976-08-09 1978-10-31 Stemp Leslie W Silencer

Also Published As

Publication number Publication date
DE59505829D1 (en) 1999-06-10
EP0705961B1 (en) 1999-05-06
DE4435662A1 (en) 1996-04-11
EP0705961A1 (en) 1996-04-10

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee