US1530324A - Muffling tube - Google Patents

Muffling tube Download PDF

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Publication number
US1530324A
US1530324A US648280A US64828023A US1530324A US 1530324 A US1530324 A US 1530324A US 648280 A US648280 A US 648280A US 64828023 A US64828023 A US 64828023A US 1530324 A US1530324 A US 1530324A
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Prior art keywords
tube
strip
spirally wound
muffling
exhaust
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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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US648280A
Inventor
Alexis R Pribil
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Alexis R Pribil
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Priority to US648280A priority Critical patent/US1530324A/en
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Publication of US1530324A publication Critical patent/US1530324A/en
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Application status is Expired - Lifetime legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/08Other arrangements or adaptations of exhaust conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00Silencing apparatus characterised by method of silencing
    • F01N1/08Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/12Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using spirally or helically shaped channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00Silencing apparatus characterised by method of silencing
    • F01N1/16Silencing apparatus characterised by method of silencing by using movable parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00Structure or shape of gas passages, pipes or tubes
    • F01N2470/12Tubes being corrugated

Description

March 17, 1925.

A. R PRIBIL MUFFLING TUBE Filed June 11/ /J/l W7 A T RNEY INVENWOR fl/ex/lsje /b z,

Patented Mar. 1 7, 19250 PATENT OFFICE.

a'LnxIs 12. 'PRIBIL, or saemaw, MICHIGAN.

MUFFLINQ TUBE Application filed June 28, 1923. Serial No. 848,280..

To all whom it mayv concern:

Be it known that I, ALnxIs R. PRIBIL, a citizen of the United States of America, and a resident of Saginaw, in the county of Saginaw and State of Michigan, have invented certain new and useful Improvements in Mufliing Tubes, of which the fol lowing is a specification.

This invention relates to muflling tubes and the like such as used on internal combustionengines, connections to exhaust heaters, and for all other purposes where it is desired to dampen and mufile sounds.

The prime object of the invention is to design a mufliing tube which can be attached to the exhaust port of an engine, and which will effectively muffle and deaden the exhaust explosions with a mimimum of back pressure.

Another object is to design a very slmple and economical flexible structure, which will conform to the curves required in installing it on automotive vehicles, either as a muflling device or heater connection, and which will effectively muflle the explosion.

A further object is to design a mufiling tube which can be formed in one continuous coil and of any desired length.

With the above and other objects in. view, the present invention consists in the combination and arrangements of parts, hereinafter more fully described, illustrated, in the accompanying drawings, and particularly pointed out in the appended clalms, it being understood that changes may be made in the form, size, roportlon, and minor details of construction, without departing from the spirit, or sacrificing any of the advantages of the inventlom In the drawing,

Fig. 1 is a side view of an internal combustion engine showing my improved'muffling tube attached thereto.

Fig. 2 is an enlarged fragmentary sectional side view of the muffling tube proper.

Fig. 3 is a sectional end view.

Fig. 4 is a fragmentary end vlew of a portion of the bafiie'strlp, and

Fi 5 is a cross sectional edge View thereof ta en on the-line 55 of Fig. 4.

Referring now particularly to the drawing in which I have shown the preferred embodiment of my invention, the numeral attached, and through which the exhaust suspended beneath the body of the motorvehicle.

In my improved construction I provide a resilient flexible tube 3 which is formed by the spirally wound strip 4 formed as clearly shown in Figure 2, having the turned edge -5 and 6 which forms an interlocking flexible connection with the adjacent coil, a resilient baflle strip 7 is interlocked in this flexible tube 3 andcomprises a thin metal strip stamped to form a toothed or serrated edge 8 preferably shaped as shown, and which projects into the interior of the tube, for gradually muffling and retarding the exhaust gases passing therethrough, the opposite edge being turned as .shown at 9 and is interlocked in the edges 6, the spiral winding gives the gases a spiral motion and prevents undue back pressure, as the force of the exhaust explosion is not sharply arrested and taken by one rigid battle plate as in ri id mufflers, but is distributed the entire ength of the bafile strip, while the projecting ser-" rated ed es obstruct the passage and insures the brea ing up of the gases, also, the res'iliency and flexibility of the tube and strip aid in mufliing the sound. I find it advantageous to form the edge of this baflie strip toothed shaped and bent as shown, as it prevents buckling and. allows the strip to be readily shaped and wound, this is not however necessary, as this edge can be of any desired shape,.and I do not wish t0.be limited to any specific configuration:

The end of the exhaust pipe proper is enlarged as shown at 10, and the end of the muflling tube is insertedtherein and secured in an "suitable manner. A coupling 11 is secure to the opposite end of the flexible tube by means of rivets or in any other approved manner, and terminates in a restricted orifi'ce12 through which the spent gases pass to the atmosphere.

- From the foregoing description it will be obvious that I have perfected a very simple, substantial, and effective muflling; tube, which is very economical to manufacture, and easy to attach and. assemble."

'What I claim is 4 I a 1. 'A spirally wound muifiing tube comprising a resilient flexible tube, formed with interlocking edges. and having a resilient flexible bafile strip interlocked therein.

' 2. A spirally wound mufiing tube comprising a flexible tube having interlocking edges, and having a continuous baffle strip interlocked therein.

3. A. muflling tube comprising a continuous spirally wound flexible tube formed with interlocking edges, and having a spirally wound continuous baflie strip interlocked therein.

4. A mufiling tube comprising a continuous strip formed with interlocking edges and forming a continuous spirally wound flexible tube, and having a spirally wound woundflexible tube, and a baffle strip interlocked therein and formed with. a serrated edge projecting into the interior of the tube.

6. A muflling tube comprising a single spirally wound flexibletube having interlocking edges, and adapted to be attached to the exhaust port of an engine, and a single spirally wound bafie strip interlocked therein and extending to the endof the said flexible tube.-

In testimony whereof I a. my signature.

- ALEXIS R. PRIBHJ-

US648280A 1923-06-28 1923-06-28 Muffling tube Expired - Lifetime US1530324A (en)

Priority Applications (1)

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US648280A US1530324A (en) 1923-06-28 1923-06-28 Muffling tube

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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2652127A (en) * 1950-09-12 1953-09-15 Johnston John Gray Tail pipe terminal silencer
DE760841C (en) * 1941-10-28 1954-03-08 Daimler Benz Ag Gasabblaseeinrichtung for multi-cylinder internal combustion engines
US2718273A (en) * 1951-10-29 1955-09-20 Albert J Dehaus Muffler construction
US2805730A (en) * 1953-04-24 1957-09-10 Lindsay M Applegate Muffler tubes
US3054474A (en) * 1958-06-02 1962-09-18 Lindsay M Applegate Muffling tubes
US6155303A (en) * 1998-05-14 2000-12-05 Witzenmann Gmbh Hose with interlocked profile, particularly for automotive exhaust systems
US6311736B2 (en) 1998-05-28 2001-11-06 Donaldson Company, Inc. Flexible hose and method for manufacturing
US6508277B1 (en) 1999-07-27 2003-01-21 Donaldson Company, Inc. Flexible pipe with compressed ends
US20050161281A1 (en) * 2004-01-27 2005-07-28 Klinkert Deborah A. Exhaust assembly
US20150167867A1 (en) * 2012-08-07 2015-06-18 Ge Oil & Gas Uk Limited Flexible pipe body and method of providing same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE760841C (en) * 1941-10-28 1954-03-08 Daimler Benz Ag Gasabblaseeinrichtung for multi-cylinder internal combustion engines
US2652127A (en) * 1950-09-12 1953-09-15 Johnston John Gray Tail pipe terminal silencer
US2718273A (en) * 1951-10-29 1955-09-20 Albert J Dehaus Muffler construction
US2805730A (en) * 1953-04-24 1957-09-10 Lindsay M Applegate Muffler tubes
US3054474A (en) * 1958-06-02 1962-09-18 Lindsay M Applegate Muffling tubes
US6155303A (en) * 1998-05-14 2000-12-05 Witzenmann Gmbh Hose with interlocked profile, particularly for automotive exhaust systems
US6311736B2 (en) 1998-05-28 2001-11-06 Donaldson Company, Inc. Flexible hose and method for manufacturing
US6508277B1 (en) 1999-07-27 2003-01-21 Donaldson Company, Inc. Flexible pipe with compressed ends
US20050161281A1 (en) * 2004-01-27 2005-07-28 Klinkert Deborah A. Exhaust assembly
US7721537B2 (en) * 2004-01-27 2010-05-25 Cummins Power Generation Inc. Exhaust assembly
US20150167867A1 (en) * 2012-08-07 2015-06-18 Ge Oil & Gas Uk Limited Flexible pipe body and method of providing same
US9857000B2 (en) * 2012-08-07 2018-01-02 Ge Oil & Gas Uk Limited Flexible pipe body and method of providing same

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