US2618353A - Muffler with side branch chambers - Google Patents
Muffler with side branch chambers Download PDFInfo
- Publication number
- US2618353A US2618353A US32956A US3295648A US2618353A US 2618353 A US2618353 A US 2618353A US 32956 A US32956 A US 32956A US 3295648 A US3295648 A US 3295648A US 2618353 A US2618353 A US 2618353A
- Authority
- US
- United States
- Prior art keywords
- muffler
- side branch
- tube
- branch chambers
- passageway
- Prior art date
- 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 - Lifetime
Links
Images
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
- F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
-
- 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
- F01N1/023—Helmholtz resonators
-
- 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
- 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)
Description
Nov. 18, 1952 G. H. HEDRICK MUFFLER WTH SIDE BRANCH CHAMBERS F'iled June 14 1948 3 tube Within the casing for the passage of exhaust gases through the n1uier the perforaf...ions of said tube consisting of 10ngitudinauy extending, cir culnferentially Spaced series, each Series facing a dialrletrica1ly opposite in1perforated portion of the tube, and an elongated passageway about the tube said passageway being unrestricted, 9 lurality of spaced restrictors disposed in 9 ortion of said tube within said e10ngated passageway for diverting a portion of the gases into said passageway through Said perforations, said restrictors having o engs the diaTneter of Which are less than tvv0-thirds of the dianleter of said tube, a closed chaInber in the casing, of less length than said passageway and at one end of the casing, Said chan1ber enclosing a portion of the tube, the perforate portion of the tube outside of said 4 chan1ber and within Said casing being of greater 1engh in the longitudina1 direction than said chanlber, Said chamber being 10cated on the out- 1et Side of the mumer GALE H' HEDRICK' EEFEENCES CITED The fonowing references are of record in the 10 ile of this patent:
UNITED STATES PATENTS Number N ane Date 1 87,326 }viason Aug. 30 1932 15 1910,672 Bourne May 23, 1933 2,07,2 Starkweather July 14 1936 2 2 393 IaaS June 3, 191
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32956A US2618353A (en) | 1948-06-14 | 1948-06-14 | Muffler with side branch chambers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32956A US2618353A (en) | 1948-06-14 | 1948-06-14 | Muffler with side branch chambers |
Publications (1)
Publication Number | Publication Date |
---|---|
US2618353A true US2618353A (en) | 1952-11-18 |
Family
ID=21867783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US32956A Expired - Lifetime US2618353A (en) | 1948-06-14 | 1948-06-14 | Muffler with side branch chambers |
Country Status (1)
Country | Link |
---|---|
US (1) | US2618353A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3500954A (en) * | 1969-03-13 | 1970-03-17 | Walker Mfg Co | Exhaust silencing system |
US3679024A (en) * | 1970-09-11 | 1972-07-25 | Stemco Mfg Co Inc | Muffler |
US4023645A (en) * | 1975-02-27 | 1977-05-17 | Donaldson Company, Inc. | Method and apparatus for reducing aerodynamic whistle |
US4473906A (en) * | 1980-12-05 | 1984-09-25 | Lord Corporation | Active acoustic attenuator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1874326A (en) * | 1929-06-14 | 1932-08-30 | Bell Telephone Labor Inc | Sound muffler |
US1910672A (en) * | 1932-05-13 | 1933-05-23 | Maxim Silencer Co | Acoustic wave filter |
US2047442A (en) * | 1935-08-15 | 1936-07-14 | Buffalo Pressed Steel Company | Muffler |
US2244393A (en) * | 1939-08-31 | 1941-06-03 | Mackenzie Muffier Company Inc | Muffler |
-
1948
- 1948-06-14 US US32956A patent/US2618353A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1874326A (en) * | 1929-06-14 | 1932-08-30 | Bell Telephone Labor Inc | Sound muffler |
US1910672A (en) * | 1932-05-13 | 1933-05-23 | Maxim Silencer Co | Acoustic wave filter |
US2047442A (en) * | 1935-08-15 | 1936-07-14 | Buffalo Pressed Steel Company | Muffler |
US2244393A (en) * | 1939-08-31 | 1941-06-03 | Mackenzie Muffier Company Inc | Muffler |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3500954A (en) * | 1969-03-13 | 1970-03-17 | Walker Mfg Co | Exhaust silencing system |
US3679024A (en) * | 1970-09-11 | 1972-07-25 | Stemco Mfg Co Inc | Muffler |
US4023645A (en) * | 1975-02-27 | 1977-05-17 | Donaldson Company, Inc. | Method and apparatus for reducing aerodynamic whistle |
US4473906A (en) * | 1980-12-05 | 1984-09-25 | Lord Corporation | Active acoustic attenuator |
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