US700785A - Muffler for explosive or other engines. - Google Patents

Muffler for explosive or other engines. Download PDF

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Publication number
US700785A
US700785A US1901085251A US700785A US 700785 A US700785 A US 700785A US 1901085251 A US1901085251 A US 1901085251A US 700785 A US700785 A US 700785A
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Prior art keywords
muffler
tube
exhaust
partition
area
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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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Albert L Kull
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Albert L Kull
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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
    • F01N1/00Silencing apparatus characterised by method of silencing
    • F01N1/08Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling

Description

Patented May 27, 1902.

A. L. KULL. MUFFLER FOR EXPLOSIVE OR OTHER ENGINES.

(Application filed Mar 22, 1901. Rmzwnd Dec. 9. 1801.)

(No Model.)

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UNITED STATES PATENT OFFICE.

ALBERT L. KULL, OF CAMDEN, NEYV JERSEY.

MUFFLER FOR EXPLOSIVE 0R @THER ENGINES.

SPECIFICATION forming part of Letters Patent No. 700,785, dated May 27, 1902.

Application filed March 22, 1901. Renewed December 9, 1901. Serial No. 85,251. (No model.)

To aZZ whom it may concern.-

Be it known that I, ALBERT L. KULL, a citizen of the United States, residing at Camden,in the county of Camden and State of New Jersey, have invented certain new and useful Improvements in Mufflers for Explosive or other Engines, of which the following is a specification.

My invention has relation to a muffler for use on engines to suppress the noise of the exhaust and to eliminate back pressure, and in such connection it relates to the construc tion and arrangement of said muffler.

The principal object of my invention is to provide a muffler for the exhaust of an explosive or other engine, which muffler, while deadening the noise made by the outrushing exhaust, willinterpose no obstacle to the path of the exhaust and will hence prevent back pressure. The muffler of my present invention, while designed primarily to accomplish these results, is yet of simple and compact form, and therefore particularly applicable for use upon engines for automobiles.

The nature and scope of my invention will be more fully understood from the following description, taken in connection with the accompanying drawings, forming part hereof, in which- Figure 1 is a longitudinal central sectional View of a muffler embodying main features of my invention. Fig. 2 is a cross-sectional View taken on the line 2 2 of Fig. 1. Fig. 3 is a cross-secti0nal View taken on the line 3 3 of Fig. 1, and Fig. at is a cross-sectional view taken on the line l 4 of Fig. 1 and looking toward the outlet end of the muffler.

Referring to the drawings, a represents a tube of required length comprising the easing proper of the muffler. The inlet end of this tube is connected by a frusto-oonical tube 1) with the exhaust-pipe 0, leading from the engine. (Not shown.) The cross-sectional area of the pipe 0 is much less than the area in cross-section of the tube CL, and hence the frusto-conical tube 1) constitutes an expanding-chamber for the gases prior to their entrance into the body CL of the muflier. [it

the point of junction of the expanding-tube l) and main tube a, and within the tube a or tube 1) is fitted a circularplate or partition (I, having a series of openings d, the area of each of which openings being preferably ap proximately the same as the area of the exhaust-outlet 0. Of the series of openings (1 one is preferably centrally located in the partition d and is in alinement with the exhaustpipe 0. In each opening d is fitted the base or entrance end of a tapered or substantially conical tube-like finger e, the apex or exit ends of of all these tubes c being substantially the same in cross-sectional area as the area in cross-section of the exhaust-pipe 0. These tapered tube-like fingers e have perforations e in their walls and project Within the tube a for a greater or less extent, as required. The open end of the tube a is closed by a perforated plate or partition f, and, if desired or required, intermediate of the partition (Z and partitionf may be arranged one or more partitions g, each of which carries a series of peripherally-perforated tube-like fingers g, corresponding to the fingers e and preferablyiu alinement therewith. The gases as they escape from the pipe 0 are first expanded in the chamber Z) and then pass without obstruction into and through the fingers e and are again expanded within the tube a, and so on until they escape through the perforated partition f at the outlet end of the tube or muffler C1,. There is no obstruction placed in the direct path of the gases, and they therefore can pass in a straight direction through the muffler, and no choking up or back pressure can result. The gases cannot collect in the muffler, for they are carried out by the onrushing gases passing through the fingers. The perforated walls of the fingers c and 9 permit the ready escape of gases through the walls of the fingers if the pressure is excessive, and hence the fingers, while muffling or deadening the sound of the exhaust, do not confine the gases in their passage to the outlet f.

Having thus described the nature and object of my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A muffler, comprising a tube constituting the main body of the muffler, a frusto-conical tube connecting one end of said tube with the exhaust-pipe and constituting an expanding-chamber for the exhaust-gases, a partition located at the outlet end of the expanding-chamber and within the body of tho muf fier, said partition having a series of openings, each of which is substantially equal in crosssectional area to the area of the exhaust-pipe, and a series of tapered tube-like fingers extending Within the body of the muffler from the openings in said partition, the area of the contracted outlets of the fingers being substantially equal to the area of the inlet of one of said fingers, and the inlet of one of said fingers being arranged in alinement with the exhaust-pipe, substantially as and for the purposes described.

2. A Inuflier, comprising a tube constituting the main body of the muffler, a perforated partition closing, the outlet end of said body, a frusto-conical tube connecting the entrance end of said body with the exhaust-pipe, a partition arranged at or near the entrance end of said body and provided with a series of openings corresponding to the opening in the exhaust-pipe, one of said openings being in alinement with the exhaust-pipe and a series of tapered tubes projecting from the openings in the partition into the body of the muffler, the area of the contracted outlets of said fingers being approximately equal to the area of the exhaust-pipe opening, substantially as and for the purposes described.

3. A muffler, comprising a tube constituting the main body of the m u f'fler, a frusto-conical tube connecting one end of said body to the exhaust-pipe, a partition located between the frusto-conical tube and the body of the muffler, said partition having a series of openings each corresponding in area to the area of the exhaust-pipe outlet, and a series of tapered open-ended tubes extending from said openings into the body of the muffler, the Walls of each tapered tube being perforated, substantially as and for the purposes described.

4. A muli'ler, comprising a tube constituting the main body of the muffler, a frusto-conical tube connecting one end of said body with the exhaust-pipe, a partition arranged Within the main body adjacent to the frusto-eonical tube, said partition having openings each corresponding in area to the area of the exhaustoutlet, a series of tapered tubes projecting from the openings into the main body of the muffler, a second perforated partition and a second series of tapered tubes projecting therefrom and corresponding to the first partition and first series of tapered tubes, said second partition and tapered tubes being arranged Within the main body of the muffler and intermediate of its ends, substantially as and for the purposes described.

In testimony whereof I have hereunto set my signature in the presence of two subscribing Witnesses.

ALBERT L. KULL.

Witnesses:

.T. WALTER DOUGLASS, THOMAS M. SMITH.

US700785A 1901-03-22 1901-03-22 Muffler for explosive or other engines. Expired - Lifetime US700785A (en)

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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2517623A (en) * 1947-05-19 1950-08-08 Fluor Corp Muffler including tapered inlet nozzle with tapered opening
US2535660A (en) * 1946-10-24 1950-12-26 Wynn Ernest Air-cooled silencer with plural passages
US2548563A (en) * 1947-07-22 1951-04-10 Smith Ellis Air-cooled exhaust silencer
US2936040A (en) * 1958-11-05 1960-05-10 Paul J Rennard Acoustical barrier fence
US3075609A (en) * 1958-09-10 1963-01-29 Engelhard Ind Inc Noise suppressor
US4979587A (en) * 1989-08-01 1990-12-25 The Boeing Company Jet engine noise suppressor
US5760348A (en) * 1994-04-28 1998-06-02 Heuser; Stephen Glen Noise attenuating apparatus
WO1999009305A1 (en) 1997-08-20 1999-02-25 Heuser Stephen G Noise attenuating apparatus
US6302235B1 (en) * 2000-03-03 2001-10-16 Carson J. Matherne High-performance muffler
US6415747B1 (en) * 1998-06-19 2002-07-09 Yamaha Hatsudoki Kabushiki Kaisha Two stroke, multiple cylinder engine for small vehicle
US20040244853A1 (en) * 2002-01-03 2004-12-09 Harman Jayden David Fluid flow controller
US20050269458A1 (en) * 2002-01-03 2005-12-08 Harman Jayden D Vortex ring generator
US20060102239A1 (en) * 2003-07-02 2006-05-18 Pax Scientific, Inc. Fluid flow control device
US20060263201A1 (en) * 2003-11-04 2006-11-23 Harman Jayden D Fluid circulation system
US20070227808A1 (en) * 2006-03-29 2007-10-04 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US20070227811A1 (en) * 2006-03-29 2007-10-04 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US20070227810A1 (en) * 2006-03-29 2007-10-04 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US20080118347A1 (en) * 2006-11-22 2008-05-22 Honeywell International, Inc. Turbine engine diffusing exhaust muffler
US20080145230A1 (en) * 2006-09-29 2008-06-19 Pax Scientific, Inc. Axial flow fan
US20090035132A1 (en) * 2004-01-30 2009-02-05 Pax Streamline, Inc. Housing for a centrifugal fan, pump, or turbine
US20090308472A1 (en) * 2008-06-15 2009-12-17 Jayden David Harman Swirl Inducer
US7814967B2 (en) 2002-01-03 2010-10-19 New Pax, Inc. Heat exchanger
US8307943B2 (en) 2010-07-29 2012-11-13 General Electric Company High pressure drop muffling system
US8430202B1 (en) 2011-12-28 2013-04-30 General Electric Company Compact high-pressure exhaust muffling devices
US8511096B1 (en) 2012-04-17 2013-08-20 General Electric Company High bleed flow muffling system
US8550208B1 (en) 2012-04-23 2013-10-08 General Electric Company High pressure muffling devices
US9401136B2 (en) * 2014-12-18 2016-07-26 Murata Manufacturing Co., Ltd. Noise reducing device
US9399951B2 (en) 2012-04-17 2016-07-26 General Electric Company Modular louver system

Cited By (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535660A (en) * 1946-10-24 1950-12-26 Wynn Ernest Air-cooled silencer with plural passages
US2517623A (en) * 1947-05-19 1950-08-08 Fluor Corp Muffler including tapered inlet nozzle with tapered opening
US2548563A (en) * 1947-07-22 1951-04-10 Smith Ellis Air-cooled exhaust silencer
US3075609A (en) * 1958-09-10 1963-01-29 Engelhard Ind Inc Noise suppressor
US2936040A (en) * 1958-11-05 1960-05-10 Paul J Rennard Acoustical barrier fence
US4979587A (en) * 1989-08-01 1990-12-25 The Boeing Company Jet engine noise suppressor
US5760348A (en) * 1994-04-28 1998-06-02 Heuser; Stephen Glen Noise attenuating apparatus
WO1999009305A1 (en) 1997-08-20 1999-02-25 Heuser Stephen G Noise attenuating apparatus
US6415747B1 (en) * 1998-06-19 2002-07-09 Yamaha Hatsudoki Kabushiki Kaisha Two stroke, multiple cylinder engine for small vehicle
US6302235B1 (en) * 2000-03-03 2001-10-16 Carson J. Matherne High-performance muffler
US6382349B2 (en) * 2000-03-03 2002-05-07 Carson J. Matherne High-performance muffler
US20040244853A1 (en) * 2002-01-03 2004-12-09 Harman Jayden David Fluid flow controller
US20050269458A1 (en) * 2002-01-03 2005-12-08 Harman Jayden D Vortex ring generator
US8733497B2 (en) 2002-01-03 2014-05-27 Pax Scientific, Inc. Fluid flow controller
US8381870B2 (en) 2002-01-03 2013-02-26 Pax Scientific, Inc. Fluid flow controller
US7980271B2 (en) 2002-01-03 2011-07-19 Caitin, Inc. Fluid flow controller
US7934686B2 (en) 2002-01-03 2011-05-03 Caitin, Inc. Reducing drag on a mobile body
US20110011463A1 (en) * 2002-01-03 2011-01-20 Jayden David Harman Reducing drag on a mobile body
US20080041474A1 (en) * 2002-01-03 2008-02-21 Harman Jayden D Fluid Flow Controller
US7644804B2 (en) * 2002-01-03 2010-01-12 Pax Streamline, Inc. Sound attenuator
US7766279B2 (en) 2002-01-03 2010-08-03 NewPax, Inc. Vortex ring generator
US20080265101A1 (en) * 2002-01-03 2008-10-30 Pax Scientific, Inc. Vortex ring generator
US7673834B2 (en) 2002-01-03 2010-03-09 Pax Streamline, Inc. Vortex ring generator
US7814967B2 (en) 2002-01-03 2010-10-19 New Pax, Inc. Heat exchanger
US7802583B2 (en) 2003-07-02 2010-09-28 New Pax, Inc. Fluid flow control device
US20060102239A1 (en) * 2003-07-02 2006-05-18 Pax Scientific, Inc. Fluid flow control device
US8631827B2 (en) 2003-07-02 2014-01-21 Pax Scientific, Inc. Fluid flow control device
US7862302B2 (en) 2003-11-04 2011-01-04 Pax Scientific, Inc. Fluid circulation system
US20060263201A1 (en) * 2003-11-04 2006-11-23 Harman Jayden D Fluid circulation system
US20090035132A1 (en) * 2004-01-30 2009-02-05 Pax Streamline, Inc. Housing for a centrifugal fan, pump, or turbine
US7832984B2 (en) 2004-01-30 2010-11-16 Caitin, Inc. Housing for a centrifugal fan, pump, or turbine
US20070227811A1 (en) * 2006-03-29 2007-10-04 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US7766123B2 (en) * 2006-03-29 2010-08-03 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US7997383B2 (en) 2006-03-29 2011-08-16 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US7549510B2 (en) 2006-03-29 2009-06-23 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US20070227808A1 (en) * 2006-03-29 2007-10-04 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US20070227810A1 (en) * 2006-03-29 2007-10-04 Yamaha Hatsudoki Kabushiki Kaisha Vehicle exhaust system
US20080145230A1 (en) * 2006-09-29 2008-06-19 Pax Scientific, Inc. Axial flow fan
US8328522B2 (en) 2006-09-29 2012-12-11 Pax Scientific, Inc. Axial flow fan
US20080118347A1 (en) * 2006-11-22 2008-05-22 Honeywell International, Inc. Turbine engine diffusing exhaust muffler
US7762374B2 (en) * 2006-11-22 2010-07-27 Honeywell International Inc. Turbine engine diffusing exhaust muffler
US20090308472A1 (en) * 2008-06-15 2009-12-17 Jayden David Harman Swirl Inducer
US8307943B2 (en) 2010-07-29 2012-11-13 General Electric Company High pressure drop muffling system
US8430202B1 (en) 2011-12-28 2013-04-30 General Electric Company Compact high-pressure exhaust muffling devices
US8511096B1 (en) 2012-04-17 2013-08-20 General Electric Company High bleed flow muffling system
US9399951B2 (en) 2012-04-17 2016-07-26 General Electric Company Modular louver system
US8550208B1 (en) 2012-04-23 2013-10-08 General Electric Company High pressure muffling devices
WO2014018126A2 (en) * 2012-04-23 2014-01-30 General Electric Company High pressure muffling devices
WO2014018126A3 (en) * 2012-04-23 2014-04-03 General Electric Company High pressure muffling devices
CN104334835A (en) * 2012-04-23 2015-02-04 通用电气公司 High pressure muffling devices
US9401136B2 (en) * 2014-12-18 2016-07-26 Murata Manufacturing Co., Ltd. Noise reducing device

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