US2652127A - Tail pipe terminal silencer - Google Patents
Tail pipe terminal silencer Download PDFInfo
- Publication number
- US2652127A US2652127A US184397A US18439750A US2652127A US 2652127 A US2652127 A US 2652127A US 184397 A US184397 A US 184397A US 18439750 A US18439750 A US 18439750A US 2652127 A US2652127 A US 2652127A
- Authority
- US
- United States
- Prior art keywords
- tail pipe
- silencer
- pipe terminal
- channels
- terminal silencer
- 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
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/20—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having flared outlets, e.g. of fish-tail shape
Definitions
- This invention relates to new and useful improvements and structural refinements in exhaust silencers for internal combustion engines such as automobiles, and the like, and the principal object of the invention is to supplement the usual mufiler of the exhaust system so as to substantially reduce if not completely eliminate the noise incident to the combustion and discharge of the products thereof.
- a silencer which, in the manner of an extension, may be attached to the terminal end of the muilier tail pipe, an important feature of the invention residing in the provision of a silencer which is of an elongated configuration having a star-shaped cross-section, so as to provide what may be called V-shaped channels for absorption and neutralization of sound waves incident to the outward passage of exhaust gases.
- Figure 1 is an elevational view of the invention
- Figure 2 is a transverse sectional view, taken substantially in the plane of the line 2-2 in Figure 1, and
- Figure 3 is an end view, taken in the direction of the arrow 3 in Figure 1.
- the invention consists of a tail pipe terminal silencer which is designated generally by the reference character I and embodies in its construction an elongated, hollow body I 2 having a star-shaped cross-section, as is best illustrated in Figure 2.
- a plurality of longitudinally extending channels H are formed inside of the body l2, each of these channels being V-shaped in section and having outwardly convergent side walls l6, substantially as shown.
- the channels H are open at the outlet end thereof, as indicated at H! in Figure 1, but the opposite end portions of the side walls I6 are flattened and superposed in overlapped relation as shown at 20, so as to afiord a substantially tubular adapter 22, whereby the entire device may be secured by a suitable clamp 24 to the terminal end of a tail pipe.
- the adapter 22 is substantially equal in diameter to the outer diameter of the body I 2 and when the invention is placed in use and exhaust gases enter the body 12 through the adapter 22, sound waves resulting from the outward passage of the gases through the body will travel in a lateral direction into the channels l4 and the convergent walls 16 of the channels will concentrate and neutralize the sound waves, thus achieving a substantial, if not a complete reduction of sound of the exhaust.
- the entire device may be formed integrally from one piece of corrugated material, with overlapped edge portions as indicated at the bottom of Figure 2.
- a tail pipe terminal silencer comprising an elongated hollow body having a star-shaped cross-section providing a plurality of longitudinally extending channels in the inside of the body, each channel being V-shaped and having outwardly convergent side walls, and the side walls of each channel at one end portion of said body being flattened and superposed in overlapping relation and constituting a substantially tubular adapter for securing said body to the end of said tailpipe.
Description
Se t. 15', 1953 J. G. JOHNSTON f 2,652,127
TAIL PIPE- TERMINAL SILENCER I Filed Sept. 12, 1950 I n ventor Jo/ m Gray Johnston- WWW Patented Sept. 15, 1953 UNITED STATES PATENT OFFICE TAIL PIPE TERMINAL SILENCER John Gray Johnston, Los Angeles, Calif. Application September 12, 1950, Serial No. 184,397
1 Claim.
This invention relates to new and useful improvements and structural refinements in exhaust silencers for internal combustion engines such as automobiles, and the like, and the principal object of the invention is to supplement the usual mufiler of the exhaust system so as to substantially reduce if not completely eliminate the noise incident to the combustion and discharge of the products thereof.
The above object is achieved by the provision of a silencer which, in the manner of an extension, may be attached to the terminal end of the muilier tail pipe, an important feature of the invention residing in the provision of a silencer which is of an elongated configuration having a star-shaped cross-section, so as to provide what may be called V-shaped channels for absorption and neutralization of sound waves incident to the outward passage of exhaust gases.
Some of the advantages of the invention reside in its simplicity of construction, in its eificient operation, in its pleasing appearance, and in its adaptability to economical manufacture.
With the above more important objects and features in view and such other objects and features as may become apparent as this specifica tion proceeds, the invention consists essentially of the arrangement and construction of parts as illustrated in the accompanying drawings, in which:
Figure 1 is an elevational view of the invention,
Figure 2 is a transverse sectional view, taken substantially in the plane of the line 2-2 in Figure 1, and
Figure 3 is an end view, taken in the direction of the arrow 3 in Figure 1.
Like characters of reference are employed to designate like parts in the specification and throughout the several views.
Referring now to the accompanying drawings in detail, the invention consists of a tail pipe terminal silencer which is designated generally by the reference character I and embodies in its construction an elongated, hollow body I 2 having a star-shaped cross-section, as is best illustrated in Figure 2.
By virtue of this sectional configuration, a plurality of longitudinally extending channels H are formed inside of the body l2, each of these channels being V-shaped in section and having outwardly convergent side walls l6, substantially as shown.
The channels H are open at the outlet end thereof, as indicated at H! in Figure 1, but the opposite end portions of the side walls I6 are flattened and superposed in overlapped relation as shown at 20, so as to afiord a substantially tubular adapter 22, whereby the entire device may be secured by a suitable clamp 24 to the terminal end of a tail pipe.
The adapter 22 is substantially equal in diameter to the outer diameter of the body I 2 and when the invention is placed in use and exhaust gases enter the body 12 through the adapter 22, sound waves resulting from the outward passage of the gases through the body will travel in a lateral direction into the channels l4 and the convergent walls 16 of the channels will concentrate and neutralize the sound waves, thus achieving a substantial, if not a complete reduction of sound of the exhaust.
If desired, the entire device may be formed integrally from one piece of corrugated material, with overlapped edge portions as indicated at the bottom of Figure 2.
It is believed that the advantages and use of the invention will be clearly understood from the foregoing disclosure and accordingly, further description thereof at this point is deemed unnecessary.
While in the foregoing there has been shown and described the preferred embodiment of this invention, it is to be understood that minor changes in the details of construction and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as claimed.
Having described the invention, what is claimed as new is:
A tail pipe terminal silencer comprising an elongated hollow body having a star-shaped cross-section providing a plurality of longitudinally extending channels in the inside of the body, each channel being V-shaped and having outwardly convergent side walls, and the side walls of each channel at one end portion of said body being flattened and superposed in overlapping relation and constituting a substantially tubular adapter for securing said body to the end of said tailpipe.
JOHN GRAY JOHNSTON.
724,862 France May 4, 1932
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US184397A US2652127A (en) | 1950-09-12 | 1950-09-12 | Tail pipe terminal silencer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US184397A US2652127A (en) | 1950-09-12 | 1950-09-12 | Tail pipe terminal silencer |
Publications (1)
Publication Number | Publication Date |
---|---|
US2652127A true US2652127A (en) | 1953-09-15 |
Family
ID=22676709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US184397A Expired - Lifetime US2652127A (en) | 1950-09-12 | 1950-09-12 | Tail pipe terminal silencer |
Country Status (1)
Country | Link |
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US (1) | US2652127A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3033494A (en) * | 1958-08-01 | 1962-05-08 | United Aircraft Corp | Jet wake noise intensity pattern control means |
US3041836A (en) * | 1959-09-11 | 1962-07-03 | Gen Electric | Means for eliminating screech in jet propulsion systems |
US3153319A (en) * | 1952-07-25 | 1964-10-20 | Young Alec David | Jet noise suppression means |
US3426526A (en) * | 1966-06-10 | 1969-02-11 | Kockums Mekaniska Verkstads Ab | Device for drying exhaust gases from an internal combustion engine |
US5058703A (en) * | 1987-11-23 | 1991-10-22 | United Technologies Corporation | Automotive exhaust noise attenuator |
US5393940A (en) * | 1991-11-29 | 1995-02-28 | The United States Of America As Represented By The Secretary Of Commerce | Apparatus and method for reducing acoustic or electromagnetic energy in the vicinity of a source |
US6338277B1 (en) * | 1997-06-06 | 2002-01-15 | G. Kromschroder Aktiengesellschaft | Flowmeter for attenuating acoustic propagations |
US20030213643A1 (en) * | 2002-04-05 | 2003-11-20 | Martin Hirschorn | Attenuating power booster |
US20090014235A1 (en) * | 2007-07-13 | 2009-01-15 | Paccar Inc | Flow diffuser for exhaust pipe |
US20090013675A1 (en) * | 2007-07-13 | 2009-01-15 | Paccar Inc | Flow diffuser for exhaust pipe |
US20090120066A1 (en) * | 2007-11-14 | 2009-05-14 | Paccar Inc. | Cooling device for high temperature exhaust |
US20220268186A1 (en) * | 2021-02-25 | 2022-08-25 | Honda Motor Co., Ltd. | Muffler for engine, air-cooled engine, and work machine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1402896A (en) * | 1920-06-15 | 1922-01-10 | Schneebeli Hugo | Silent exhaust box for internal-combustion engines |
US1530324A (en) * | 1923-06-28 | 1925-03-17 | Alexis R Pribil | Muffling tube |
US1608245A (en) * | 1924-11-22 | 1926-11-23 | Henry A Schwager | Muffler for internal-combustion engines |
FR724862A (en) * | 1930-12-31 | 1932-05-04 | S Des Usines Chausson Sa | Silent exhaust for explosion engines |
US2251369A (en) * | 1939-05-03 | 1941-08-05 | Walker Mfg Co | Silencer |
US2292340A (en) * | 1940-12-09 | 1942-08-04 | Mccurdy Howard | Cusp-section muffler |
-
1950
- 1950-09-12 US US184397A patent/US2652127A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1402896A (en) * | 1920-06-15 | 1922-01-10 | Schneebeli Hugo | Silent exhaust box for internal-combustion engines |
US1530324A (en) * | 1923-06-28 | 1925-03-17 | Alexis R Pribil | Muffling tube |
US1608245A (en) * | 1924-11-22 | 1926-11-23 | Henry A Schwager | Muffler for internal-combustion engines |
FR724862A (en) * | 1930-12-31 | 1932-05-04 | S Des Usines Chausson Sa | Silent exhaust for explosion engines |
US2251369A (en) * | 1939-05-03 | 1941-08-05 | Walker Mfg Co | Silencer |
US2292340A (en) * | 1940-12-09 | 1942-08-04 | Mccurdy Howard | Cusp-section muffler |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3153319A (en) * | 1952-07-25 | 1964-10-20 | Young Alec David | Jet noise suppression means |
US3033494A (en) * | 1958-08-01 | 1962-05-08 | United Aircraft Corp | Jet wake noise intensity pattern control means |
US3041836A (en) * | 1959-09-11 | 1962-07-03 | Gen Electric | Means for eliminating screech in jet propulsion systems |
US3426526A (en) * | 1966-06-10 | 1969-02-11 | Kockums Mekaniska Verkstads Ab | Device for drying exhaust gases from an internal combustion engine |
US5058703A (en) * | 1987-11-23 | 1991-10-22 | United Technologies Corporation | Automotive exhaust noise attenuator |
US5393940A (en) * | 1991-11-29 | 1995-02-28 | The United States Of America As Represented By The Secretary Of Commerce | Apparatus and method for reducing acoustic or electromagnetic energy in the vicinity of a source |
US6338277B1 (en) * | 1997-06-06 | 2002-01-15 | G. Kromschroder Aktiengesellschaft | Flowmeter for attenuating acoustic propagations |
US20030213643A1 (en) * | 2002-04-05 | 2003-11-20 | Martin Hirschorn | Attenuating power booster |
US7364011B2 (en) * | 2002-04-05 | 2008-04-29 | Martin Hirschorn | Attenuating power booster |
US20090014235A1 (en) * | 2007-07-13 | 2009-01-15 | Paccar Inc | Flow diffuser for exhaust pipe |
US20090013675A1 (en) * | 2007-07-13 | 2009-01-15 | Paccar Inc | Flow diffuser for exhaust pipe |
US7971432B2 (en) | 2007-07-13 | 2011-07-05 | Paccar Inc | Flow diffuser for exhaust pipe |
US20090120066A1 (en) * | 2007-11-14 | 2009-05-14 | Paccar Inc. | Cooling device for high temperature exhaust |
US8046989B2 (en) | 2007-11-14 | 2011-11-01 | Paccar Inc | Cooling device for high temperature exhaust |
US20220268186A1 (en) * | 2021-02-25 | 2022-08-25 | Honda Motor Co., Ltd. | Muffler for engine, air-cooled engine, and work machine |
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