US3147097A - Engine exhaust cleaner and muffler - Google Patents

Engine exhaust cleaner and muffler Download PDF

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US3147097A
US3147097A US185908A US18590862A US3147097A US 3147097 A US3147097 A US 3147097A US 185908 A US185908 A US 185908A US 18590862 A US18590862 A US 18590862A US 3147097 A US3147097 A US 3147097A
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sleeve
housing
pipe
length
extending
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Aguas Cayetano
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    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/0217—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters the filtering elements having the form of hollow cylindrical bodies
    • 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
    • F01N1/24—Silencing apparatus characterised by method of silencing by using 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0224—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being granular
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0226—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being fibrous
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/0335—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with exhaust silencers in a single housing
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/02—Exhaust filters
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/14—Wire mesh fabric, woven glass cloth or the like
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/10—Fibrous material, e.g. mineral or metallic wool
    • F01N2330/101—Fibrous material, e.g. mineral or metallic wool using binders, e.g. to form a permeable mat, paper or the like
    • F01N2330/102—Fibrous material, e.g. mineral or metallic wool using binders, e.g. to form a permeable mat, paper or the like fibrous material being fiber reinforced polymer made of plastic matrix reinforced by fine glass or in the form of a loose mass of filaments or fibers
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/12—Metallic wire mesh fabric or knitting
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/40—Activated carbon or charcoal
    • 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
    • F01N2470/10—Tubes having non-circular cross section
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/30—Exhaust treatment

Definitions

  • This invention relates to an engine exhaust cleaner and mufller, and an object of my invention is to provide a device through which exhaust gases and oil fumes of an internal combustion engine pass forv the purpose of removing certain liquids, solids, and gases from the engine exhaust, so that the accumulated exhaust gases in the atmosphere will 'be less injurious to animal and plant life.
  • An object of my invention is to provide a novel exhaust cleaner and muifier which is incorporated in the exhaust pipe of an internal combustion engine, so that all of the exhaust gases from the engine pass through the cleaner and through various filters and dispersing devices so that various solids, gases, and hydrocarbon liquids will be removed from the exhaust gas before that gas passes into the atmosphere.
  • Another object of my invention is to provide a novel exhaust cleaner and mufiler of the character stated, which can be mounted back of the mufller of the internal combustion engine so that all of the exhaust gases will flow therethrough; said exhaust gases being compelled to pass through a filter medium, as well as a gravel and Wire screen disperser before the gases can pass into the atmosphere.
  • Still another object of my invention is to provide a novel exhaust cleaner and mufiler which is simple in construction, inexpensive to manufacture, and effective in operation.
  • FIGURE 1 is a perspective view of my engine exhaust cleaner and mufller.
  • FIGURE 2 is a longitudinal sectional view taken on line 2-2 of FIGURE 1.
  • FIGURE 3 is a transverse sectional view taken on line 3-3 of FIGURE 1.
  • FIGURE 4 is a bottom plan view of my engine exhaust cleaner and muflier.
  • FIGURE 5 is an enlarged sectional view taken on line 5-5 of FIGURE 3.
  • the numeral 1 indicates an elongated housing formed of a suitable impervious metal.
  • a cover 2 which is fixedly secured to the end of the housing by crimping, welding, or other suitable means.
  • An exhaust pipe 3 extends through the cover 2 and thence longitudinally into the housing 1.
  • a plurality of outlet holes 4 are formed in the side of the pipe 3 and these holes permit exhaust gases, fumes, and the like, to pass out of the pipe and into the housing 1, as will be subsequently described.
  • the inner end of the pipe 3 is sealed or closed, as shown at 5, so that all of the gases must pass out of the side of the pipe 3 and throughout its length within the housing 1.
  • a pair of pipes 6 and 7 extend into the pipe 3 on the outside of the housing 1, and one of these pipes may extend from the crankcase of the engine to conduct oil fumes to the cleaner, and the other pipe may be used to flow water through the housing 1 for the purpose of removing accumulated solids within the housing from time to time.
  • An exhaust hole 8 is provided adjacent one end of the housing 1, and exhaust gases flow through this hole after traversing the various cleaning units, as will be subsequently described.
  • a cap 9 closes the end of the housing 1 opposite the
  • the sleeve 10 is formed of wire mesh or woven metal and is sufiiciently rigid to be self-supporting. At, one end of the housing 1 a packing 11 is provided of considerable thickness, and likewise a second packing 12 is provided at the other end of the housing.
  • the sleeve 10 butts against bothpackings 11 and- 12, and when the cleaner is assembled the packings 11 and 12 will be compressed against the ends of the sleeve 10, thus sealing both ends of the sleeve.
  • a lining 13, formed of Fiberglas, is fitted within the sleeve 10 and extends the entire length of this sleeve. This lining is loosely woven so that the exhaust gases can readily pass therethrough, but will be filtered by the action of the Fiberglas to remove solids and certain liquids from the exhaust gases.
  • On the outside of the sleeve 14 I provide a lining 16, which is also formed of Fiberglas and extends the entire length of this sleeve.
  • the Fiberglas lining 16 is also loosely woven so as to permit exhaust gases to pass therethrough, but to also act as a filter to entrap entrained solids and liquids in the exhaust gas.
  • the space 17 between the sleeves 10 and 14 is filled with washed gravel and coconut charcoal, as indicated at 18, to thus provide a filter strip running the entire length of the housing 1, and which will effectively entrap solids and liquids which might be entrained in the exhaust gas.
  • the exhaust gases when moving out of the holes 4 in the pipe 3, can pass into the open space 15 and thence will be filtered through the lining 16, the gravel bed 18, and finally the Fiberglas lining 13 before passing out to the atmosphere through the hole 8.
  • My exhaust cleaner will thus not only remove all noxious solids and liquids from the exhaust gas, but will also act as a mufiler since the sleeves 10 and 14, as well as the linings 13 and 16, and the gravel bed 18, will act as bafile or mufiling elements.
  • An engine exhaust filter and mufiler consisting of an elongated housing
  • said pipe having holes throughout the length thereof and arranged within the housing
  • said housing having an outlet hole therein arranged adjacent one end thereof,
  • a sleeve formed of metallic wire mesh, said sleeve extending the length of and Within said housing, said sleeve surrounding the pipe and spaced radially therefrom,
  • a second sleeve extending the length of and within said housing and said sleeve and spaced radially from the first named sleeve and from said pipe, said second sleeve being formed of metal wire mesh, said means sealing the first named sleeve, also sealing the ends of the second sleeve,
  • a filtering means arranged between said sleeves and extending the length of said housing and within the housing
  • said sleeve, Fiberglas lining, second sleeve and filtering means all arranged in surrounding relationship to said pipe and spaced radially from each other.
  • An engine exhaust filter and muifier consisting of an elongated housing
  • said pipe having holes throughout the length thereof and arranged within the housing
  • said housing having an outlet hole therein arranged adjacent one end thereof,
  • a sleeve formed of metallic Wire mesh, said sleeve extending the length of and within said housing, said sleeve surrounding the pipe and spaced radially therefrom,
  • a second sleeve extending the length of and Within said housing and said sleeve and spaced radially from the first named sleeve and from said pipe, said second sleeve being formed of metal wire mesh, said means sealing the first named sleeve, also sealing the ends of the second sleeve, j
  • a gravel filter pack arranged between said sleeves and extending the length of said housing, said gravel pack being positioned in the space between the first named and the second sleeve and within the housing, said sleeve, Fiberglas lining, second sleeve and filtering means all arranged in surrounding relationship to said pipe and spaced radially from each other.

Description

p 1, 1964 c. AGUAS ENGINE EXHAUST CLEANER AND MUFFLER Filed April 9, 1962 FIG. I
9 2 M III o o 3\/A a O M o h." WM fi W m U 4 w 6 .i
7 F o o k 0 l /1 O M o o 0 1M o 2 l o m, M 0 2 H FIG.4
INVENTOR. CAYETANO AGUAS 7% ATTORNEY United States Patent" 3,147,097 ENGINE EXHAUST CLEANER AND MUFFLER Cayetano Aguas, 1425 Hillcrest Ave., Pasadena, Calif. Filed Apr. 9, 1962, Ser. No. 185,908 2 Claims. (Cl. 55-276) This invention relates to an engine exhaust cleaner and mufller, and an object of my invention is to provide a device through which exhaust gases and oil fumes of an internal combustion engine pass forv the purpose of removing certain liquids, solids, and gases from the engine exhaust, so that the accumulated exhaust gases in the atmosphere will 'be less injurious to animal and plant life.
An object of my invention is to provide a novel exhaust cleaner and muifier which is incorporated in the exhaust pipe of an internal combustion engine, so that all of the exhaust gases from the engine pass through the cleaner and through various filters and dispersing devices so that various solids, gases, and hydrocarbon liquids will be removed from the exhaust gas before that gas passes into the atmosphere.
Another object of my invention is to provide a novel exhaust cleaner and mufiler of the character stated, which can be mounted back of the mufller of the internal combustion engine so that all of the exhaust gases will flow therethrough; said exhaust gases being compelled to pass through a filter medium, as well as a gravel and Wire screen disperser before the gases can pass into the atmosphere.
Still another object of my invention is to provide a novel exhaust cleaner and mufiler which is simple in construction, inexpensive to manufacture, and effective in operation.
Other objects, advantages and features of invention may appear from the accompanying drawing, the subjoined detailed description and the appended claims.
In the drawing:
FIGURE 1 is a perspective view of my engine exhaust cleaner and mufller.
FIGURE 2 is a longitudinal sectional view taken on line 2-2 of FIGURE 1.
FIGURE 3 is a transverse sectional view taken on line 3-3 of FIGURE 1.
FIGURE 4 is a bottom plan view of my engine exhaust cleaner and muflier.
FIGURE 5 is an enlarged sectional view taken on line 5-5 of FIGURE 3.
Referring more particularly to the drawing, the numeral 1 indicates an elongated housing formed of a suitable impervious metal. One end of this housing is inclosed by a cover 2 which is fixedly secured to the end of the housing by crimping, welding, or other suitable means. An exhaust pipe 3 extends through the cover 2 and thence longitudinally into the housing 1. A plurality of outlet holes 4 are formed in the side of the pipe 3 and these holes permit exhaust gases, fumes, and the like, to pass out of the pipe and into the housing 1, as will be subsequently described. The inner end of the pipe 3 is sealed or closed, as shown at 5, so that all of the gases must pass out of the side of the pipe 3 and throughout its length within the housing 1. A pair of pipes 6 and 7 extend into the pipe 3 on the outside of the housing 1, and one of these pipes may extend from the crankcase of the engine to conduct oil fumes to the cleaner, and the other pipe may be used to flow water through the housing 1 for the purpose of removing accumulated solids within the housing from time to time. An exhaust hole 8 is provided adjacent one end of the housing 1, and exhaust gases flow through this hole after traversing the various cleaning units, as will be subsequently described. A cap 9 closes the end of the housing 1 opposite the The sleeve 10 is formed of wire mesh or woven metal and is sufiiciently rigid to be self-supporting. At, one end of the housing 1 a packing 11 is provided of considerable thickness, and likewise a second packing 12 is provided at the other end of the housing. The sleeve 10 butts against bothpackings 11 and- 12, and when the cleaner is assembled the packings 11 and 12 will be compressed against the ends of the sleeve 10, thus sealing both ends of the sleeve. A lining 13, formed of Fiberglas, is fitted within the sleeve 10 and extends the entire length of this sleeve. This lining is loosely woven so that the exhaust gases can readily pass therethrough, but will be filtered by the action of the Fiberglas to remove solids and certain liquids from the exhaust gases.
Asecond sleeve 14, also formed of wire mesh or woven metal, is spaced inwardly from the sleeve 10, and is also spaced from the pipe 3 to provide a clear space 15 around the pipe 3 into which exhaust gases can freely pass unimpeded and unrestricted. On the outside of the sleeve 14 I provide a lining 16, which is also formed of Fiberglas and extends the entire length of this sleeve. The Fiberglas lining 16 is also loosely woven so as to permit exhaust gases to pass therethrough, but to also act as a filter to entrap entrained solids and liquids in the exhaust gas. The space 17 between the sleeves 10 and 14 is filled with washed gravel and coconut charcoal, as indicated at 18, to thus provide a filter strip running the entire length of the housing 1, and which will effectively entrap solids and liquids which might be entrained in the exhaust gas.
The exhaust gases, when moving out of the holes 4 in the pipe 3, can pass into the open space 15 and thence will be filtered through the lining 16, the gravel bed 18, and finally the Fiberglas lining 13 before passing out to the atmosphere through the hole 8. My exhaust cleaner will thus not only remove all noxious solids and liquids from the exhaust gas, but will also act as a mufiler since the sleeves 10 and 14, as well as the linings 13 and 16, and the gravel bed 18, will act as bafile or mufiling elements.
Having described my invention, I claim:
1. An engine exhaust filter and mufiler consisting of an elongated housing,
a pipe extending into the housing and substantially the length of said housing, the end of said pipe within the housing being completely sealed,
said pipe having holes throughout the length thereof and arranged within the housing,
said housing having an outlet hole therein arranged adjacent one end thereof,
a sleeve formed of metallic wire mesh, said sleeve extending the length of and Within said housing, said sleeve surrounding the pipe and spaced radially therefrom,
means sealing both ends of the sleeve,
a Fiberglas lining positioned within said sleeve and extending the length of said sleeve within the housing,
a second sleeve extending the length of and within said housing and said sleeve and spaced radially from the first named sleeve and from said pipe, said second sleeve being formed of metal wire mesh, said means sealing the first named sleeve, also sealing the ends of the second sleeve,
a Fiberglas lining arranged on the outside of the second sleeve and extending the length thereof within the housing,
a filtering means arranged between said sleeves and extending the length of said housing and within the housing,
said sleeve, Fiberglas lining, second sleeve and filtering means all arranged in surrounding relationship to said pipe and spaced radially from each other.
2. An engine exhaust filter and muifier consisting of an elongated housing,
a pipe extending into the housing and substantially the length of said housing, the end of said pipe within the housing being completely sealed,
said pipe having holes throughout the length thereof and arranged within the housing,
said housing having an outlet hole therein arranged adjacent one end thereof,
a sleeve formed of metallic Wire mesh, said sleeve extending the length of and within said housing, said sleeve surrounding the pipe and spaced radially therefrom,
means sealing both ends of the sleeve,
a Fiberglas lining positioned within said sleeve and extending the length of said sleeve and within the housing,
a second sleeve extending the length of and Within said housing and said sleeve and spaced radially from the first named sleeve and from said pipe, said second sleeve being formed of metal wire mesh, said means sealing the first named sleeve, also sealing the ends of the second sleeve, j
a Fiberglas lining arranged on the outside of the second sleeve and extending the length thereof within the housing,
a gravel filter pack arranged between said sleeves and extending the length of said housing, said gravel pack being positioned in the space between the first named and the second sleeve and within the housing, said sleeve, Fiberglas lining, second sleeve and filtering means all arranged in surrounding relationship to said pipe and spaced radially from each other.
References Cited in the file of this patent UNITED STATES PATENTS

Claims (1)

1. AN ENGINE EXHAUST FILTER AND MUFFLER CONSISTING OF AN ELONGATED HOUSING, A PIPE EXTENDING INTO THE HOUSING AND SUBSTANTIALLY THE LENGTH OF SAID HOUSING, THE END OF SAID PIPE WITHIN THE HOUSING BEING COMPLETELY SEALED, SAID PIPE HAVING HOLES THROUGHOUT THE LENGTH THEREOF AND ARRANGED WITHIN THE HOUSING, SAID HOUSING HAVING AN OUTLET HOLE THEREIN ARRANGED ADJACENT ONE END THEREOF, A SLEEVE FORMED OF METALLIC WIRE MESH, SAID SLEEVE EXTENDING THE LENGTH OF AND WITHIN SAID HOUSING, SAID SLEEVE SURROUNDING THE PIPE AND SPACED RADIALLY THEREFROM, MEANS SEALING BOTH ENDS OF THE SLEEVE, A FIBERGLAS LINING POSITIONED WITHIN SAID SLEEVE AND EXTENDING THE LENGTH OF SAID SLEEVE WITHIN THE HOUSING, A SECOND SLEEVE EXTENDING THE LENGTH OF AND WITHIN SAID HOUSING AND SAID SLEEVE AND SPACED RADIALLY FROM THE FIRST NAMED SLEEVE AND FROM SAID PIPE, SAID SECOND SLEEVE BEING FORMED OF METAL WIRE MESH, SAID MEANS SEALING THE FIRST NAMED SLEEVE, ALSO SEALING THE ENDS OF THE SECOND SLEEVE, A FIBERGLAS LINING ARRANGED ON THE OUTSIDE OF THE SECOND SLEEVE AND EXTENDING THE LENGTH THEREOF WITHIN THE HOUSING, A FILTERING MEANS ARRANGED BETWEEN SAID SLEEVES AND EXTENDING THE LENGTH OF SAID HOUSING AND WITHIN THE HOUSING, SAID SLEEVE, FIBERGLAS LINING, SECOND SLEEVE AND FILTERING MEANS ALL ARRANGED IN SURROUNDING RELATIONSHIP TO SAID PIPE AND SPACED RADIALLY FROM EACH OTHER.
US185908A 1962-04-09 1962-04-09 Engine exhaust cleaner and muffler Expired - Lifetime US3147097A (en)

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521429A (en) * 1968-10-04 1970-07-21 Frank B Leffler Muffler
US3822531A (en) * 1973-02-27 1974-07-09 Ppg Industries Inc Device for agglomerating and separating particulates from a gas
US3918945A (en) * 1971-11-01 1975-11-11 Ppg Industries Inc Particulate lead trap
JPS5120649B1 (en) * 1970-08-27 1976-06-26
US4149862A (en) * 1978-06-22 1979-04-17 Sewell Sr Robert R High temperature gas filtering device
US4318720A (en) * 1979-07-19 1982-03-09 Hoggatt Donald L Exhaust filter muffler
US4372421A (en) * 1975-07-18 1983-02-08 Otis Jackson Vehicle exhaust system
WO1985002785A1 (en) * 1983-12-27 1985-07-04 Ford Motor Company Limited Regenerative filter trap system with apparatus for diverting the exhaust gas flow
EP0317501A1 (en) * 1987-11-18 1989-05-24 Alusuisse-Lonza Services Ag Exhaust gas cleaning filter for diesel engines
US4971612A (en) * 1989-03-23 1990-11-20 Arrow Pneumatics, Inc. Reclassifying silencer
US5109950A (en) * 1989-01-27 1992-05-05 Glaenzer Spicer Silencer for exhaust gases and part of an exhaust line having such a silencer
EP0488105A1 (en) * 1990-11-26 1992-06-03 The Social Welfare Foundation Hokkaido Rehabily Activated carbon, production thereof and its use for adsorption
US5186914A (en) * 1990-11-26 1993-02-16 The Social Welfare Foundation Hokkaido Rehability Process for removing NOx and SO2 utilizing activated carbon
EP0531693A2 (en) * 1991-09-11 1993-03-17 Mercedes-Benz Ag Exhaust system of an internal combustion engine
US5246472A (en) * 1990-03-22 1993-09-21 Donaldson Company, Inc. Apparatus for filtering engine exhaust
US5454845A (en) * 1992-09-25 1995-10-03 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Heat-resistant filter
US5494500A (en) * 1990-11-26 1996-02-27 The Social Welfare Foundation Hokkaido Rehabily Activated carbon, production thereof and adsorption using activated carbon
US5630855A (en) * 1992-10-16 1997-05-20 Humanteknik Ab Moisture-collecting device
US5663537A (en) * 1995-05-16 1997-09-02 Ko; Tse-Hao Assembly of an exhaust pipe unit and a muffling device
US5941283A (en) * 1994-12-07 1999-08-24 Dayco Europe S.P.A Pressure pulse attenuating fluid supply conduit
US6155379A (en) * 1998-07-08 2000-12-05 Nsu Corporation Silencing member for mufflers and method of manufacturing the silencing member
US20110253242A1 (en) * 2010-04-19 2011-10-20 Joseph Rose Pump installations
JP2014104448A (en) * 2012-11-29 2014-06-09 Kurita Water Ind Ltd Active carbon cartridge and gas purification device
WO2016102033A1 (en) * 2014-12-22 2016-06-30 Donaldson Filtration Deutschland Gmbh Device for attenuating an exhaust-gas noise, system comprising a device of said type, sorption dryer having a device of said type, and method for attenuating an exhaust-gas noise
EP3126644A4 (en) * 2014-03-31 2017-12-20 Faurecia Emissions Control Technologies, USA, LLC Vehicle exhaust system with resistive patch
FR3060649A1 (en) * 2016-12-19 2018-06-22 Renault S.A.S MOTOR VEHICLE EXHAUST LINE HAVING NOISE LIMITATION MEANS
USD948401S1 (en) * 2019-05-23 2022-04-12 James Stewart Muffler

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US428308A (en) * 1890-05-20 Steam-muffler
US2185584A (en) * 1940-01-02 Muffler
US2620893A (en) * 1949-04-28 1952-12-09 Raymond B Holt Filter for exhaust pipes of internal-combustion engines
GB704329A (en) * 1950-08-29 1954-02-17 Lathom Engineering Company Ltd Improvements in silencers for gaseous currents
US2834425A (en) * 1954-04-02 1958-05-13 Grand Sheet Metal Products Co Exhaust muffler
US2913870A (en) * 1955-01-19 1959-11-24 George E Lashley Exhaust system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US428308A (en) * 1890-05-20 Steam-muffler
US2185584A (en) * 1940-01-02 Muffler
US2620893A (en) * 1949-04-28 1952-12-09 Raymond B Holt Filter for exhaust pipes of internal-combustion engines
GB704329A (en) * 1950-08-29 1954-02-17 Lathom Engineering Company Ltd Improvements in silencers for gaseous currents
US2834425A (en) * 1954-04-02 1958-05-13 Grand Sheet Metal Products Co Exhaust muffler
US2913870A (en) * 1955-01-19 1959-11-24 George E Lashley Exhaust system

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521429A (en) * 1968-10-04 1970-07-21 Frank B Leffler Muffler
JPS5120649B1 (en) * 1970-08-27 1976-06-26
US3918945A (en) * 1971-11-01 1975-11-11 Ppg Industries Inc Particulate lead trap
US3822531A (en) * 1973-02-27 1974-07-09 Ppg Industries Inc Device for agglomerating and separating particulates from a gas
US4372421A (en) * 1975-07-18 1983-02-08 Otis Jackson Vehicle exhaust system
US4149862A (en) * 1978-06-22 1979-04-17 Sewell Sr Robert R High temperature gas filtering device
US4318720A (en) * 1979-07-19 1982-03-09 Hoggatt Donald L Exhaust filter muffler
WO1985002785A1 (en) * 1983-12-27 1985-07-04 Ford Motor Company Limited Regenerative filter trap system with apparatus for diverting the exhaust gas flow
US4924570A (en) * 1987-11-18 1990-05-15 Swiss Aluminium Ltd. Filter for cleaning exhaust gases of diesel engines
US4894074A (en) * 1987-11-18 1990-01-16 Swiss Aluminium Ltd. Filter for cleaning exhaust gases of diesel engines
EP0317501A1 (en) * 1987-11-18 1989-05-24 Alusuisse-Lonza Services Ag Exhaust gas cleaning filter for diesel engines
US5109950A (en) * 1989-01-27 1992-05-05 Glaenzer Spicer Silencer for exhaust gases and part of an exhaust line having such a silencer
US4971612A (en) * 1989-03-23 1990-11-20 Arrow Pneumatics, Inc. Reclassifying silencer
US5246472A (en) * 1990-03-22 1993-09-21 Donaldson Company, Inc. Apparatus for filtering engine exhaust
US5679316A (en) * 1990-11-26 1997-10-21 The Social Welfare Foundation Hokkaido Rehabily Activated carbon, production thereof and adsorption using activated carbon
EP0488105A1 (en) * 1990-11-26 1992-06-03 The Social Welfare Foundation Hokkaido Rehabily Activated carbon, production thereof and its use for adsorption
US5186914A (en) * 1990-11-26 1993-02-16 The Social Welfare Foundation Hokkaido Rehability Process for removing NOx and SO2 utilizing activated carbon
US5494500A (en) * 1990-11-26 1996-02-27 The Social Welfare Foundation Hokkaido Rehabily Activated carbon, production thereof and adsorption using activated carbon
US5620506A (en) * 1990-11-26 1997-04-15 The Social Welfare Foundation Hokkaido Rehabily Activated carbon, production thereof and adsorption using activated carbon
EP0531693A2 (en) * 1991-09-11 1993-03-17 Mercedes-Benz Ag Exhaust system of an internal combustion engine
EP0531693A3 (en) * 1991-09-11 1993-10-06 Mercedes-Benz Ag Exhaust system of an internal combustion engine
US5454845A (en) * 1992-09-25 1995-10-03 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Heat-resistant filter
US5630855A (en) * 1992-10-16 1997-05-20 Humanteknik Ab Moisture-collecting device
US5941283A (en) * 1994-12-07 1999-08-24 Dayco Europe S.P.A Pressure pulse attenuating fluid supply conduit
US5663537A (en) * 1995-05-16 1997-09-02 Ko; Tse-Hao Assembly of an exhaust pipe unit and a muffling device
US6155379A (en) * 1998-07-08 2000-12-05 Nsu Corporation Silencing member for mufflers and method of manufacturing the silencing member
US20110253242A1 (en) * 2010-04-19 2011-10-20 Joseph Rose Pump installations
US8517057B2 (en) * 2010-04-19 2013-08-27 Aspen Pumps Limited Pump installations
JP2014104448A (en) * 2012-11-29 2014-06-09 Kurita Water Ind Ltd Active carbon cartridge and gas purification device
EP3126644A4 (en) * 2014-03-31 2017-12-20 Faurecia Emissions Control Technologies, USA, LLC Vehicle exhaust system with resistive patch
US10047650B2 (en) 2014-03-31 2018-08-14 Faurencia Emissions Technologies USA, LLC Vehicle exhaust system with resistive patch
WO2016102033A1 (en) * 2014-12-22 2016-06-30 Donaldson Filtration Deutschland Gmbh Device for attenuating an exhaust-gas noise, system comprising a device of said type, sorption dryer having a device of said type, and method for attenuating an exhaust-gas noise
US20180264400A1 (en) * 2014-12-22 2018-09-20 Donaldson Filtration Deutschland Gmbh Device For Attenuating An Exhaust-Gas Noise, System Comprising A device of Said Type, Sorption Dryer Having A Device of Said Type, and Method For Attenuating An Exhaust-Gas Noise
RU2686534C2 (en) * 2014-12-22 2019-04-29 Доналдсон Филтрейшн Дойчланд Гмбх Device for damping exhaust gas noise, a system comprising such a device, a sorption dryer with such a device, as well as a method of suppressing exhaust gas noise
US10596515B2 (en) * 2014-12-22 2020-03-24 Donaldson Filtration Deutschland Gmbh Device for attenuating an exhaust-gas noise, system comprising a device of said type, sorption dryer having a device of said type, and method for attenuating an exhaust-gas noise
AU2015371691B2 (en) * 2014-12-22 2021-05-13 Donaldson Filtration Deutschland Gmbh Device for attenuating an exhaust-gas noise, system comprising a device of said type, sorption dryer having a device of said type, and method for attenuating an exhaust-gas noise
FR3060649A1 (en) * 2016-12-19 2018-06-22 Renault S.A.S MOTOR VEHICLE EXHAUST LINE HAVING NOISE LIMITATION MEANS
WO2018114615A1 (en) * 2016-12-19 2018-06-28 Renault S.A.S Motor vehicle exhaust line comprising noise limitation means
USD948401S1 (en) * 2019-05-23 2022-04-12 James Stewart Muffler

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