US2564814A - Air cleaner and silencer - Google Patents

Air cleaner and silencer Download PDF

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Publication number
US2564814A
US2564814A US46052A US4605248A US2564814A US 2564814 A US2564814 A US 2564814A US 46052 A US46052 A US 46052A US 4605248 A US4605248 A US 4605248A US 2564814 A US2564814 A US 2564814A
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US
United States
Prior art keywords
silencer
air cleaner
chamber
partition
cylindrical
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
Application number
US46052A
Inventor
James E Perrin
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DeVilbiss Co
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DeVilbiss Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DeVilbiss Co filed Critical DeVilbiss Co
Priority to US46052A priority Critical patent/US2564814A/en
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Publication of US2564814A publication Critical patent/US2564814A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/14—Combined air cleaners and silencers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F02M35/02441—Materials or structure of filter elements, e.g. foams
    • F02M35/02458—Materials or structure of filter elements, e.g. foams consisting of multiple layers, e.g. coarse and fine filters; Coatings; Impregnations; Wet or moistened filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F02M35/02441—Materials or structure of filter elements, e.g. foams
    • F02M35/02466—Meshes; Grids; Perforated plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F02M35/02475—Air cleaners using filters, e.g. moistened characterised by the shape of the filter element
    • F02M35/02483—Cylindrical, conical, oval, spherical or the like filter elements; wounded filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1227—Flow throttling or guiding by using multiple air intake flow paths, e.g. bypass, honeycomb or pipes opening into an expansion chamber
    • 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
    • Y10S55/21—Silencer cleaner

Definitions

  • This invention relates to an air cleaner and silencer for attachment to the air intake of an air compressor or internal combustion engine.
  • the principal object of the invention is the provision of such an article of simple and compact design.
  • Another important object is the provision of a cleaner and a silencer that is particularly effective in reducing the noise ordinarily escaping from the air inlet of compressors and engines.
  • the device is composed of four main partsa cover, an annular filter, a partition, and a casing. In addition there is a stud and thumb nut which holds the parts in assembled relation
  • a stud and thumb nut which holds the parts in assembled relation
  • the device has a lower casing l with a lateral air outlet 2 for connection to the air inlet of the compressor or engine to which it is attached.
  • An internally extending flange 3 around the upper portion of the casing provides a seating surface for the arched partition 4.
  • the latter is ported at its center with an annular upwardly turned lip 5 bordering the port.
  • To the interior of the lip is permanently affixed a vertical tube 6 depending therefrom to near the bottom of the casing.
  • An air cleaner and silencer consisting of a
  • cylindrical upper chamber a circular imperforate cover for said chamber, the side wall of said chamber being composed of air filtering material
  • a cylindrical lower chamber having a closed bota circular top opening approximating the full width of the lower chamber, and a lateral air outlet, an inwardly directed flange bordering top opening and supporting the side wall of the upper chamber, a straight cylindrical tube extending downwardly from approximately the midpoint of the upper chamber to the midpoint of the lower chamber, a dome-like partition with a port at its center, the peripheral edge of the partition resting on the flange beneath the side wall of the upper chamber, the portion of the partition around its center port being turned upwardly and being tangentially and supportingly fixed to the upper end of the cylindrical t e, and a retaining rod connected directly to closed bottom of the lower chamber and to the cover or" the upper chamber and extending therebetween through the cylindrical tube, the space between the cover and the closed bottom of the lower chamber being entirely free of intervening elements except for said partition, cylindrical tube and retaining rod.
  • An air cleaner and silencer consisting of a cylindrical upper chambena circular imperforate cover for said chamber, the side wall of said chamber being composed of air filtering material, a cylindrical lower chamber having a closed bottom, a circular top opening approximating the full width of the lower chamber, and a lateral air outlet, an inwardly directed flange bordering said top opening and supporting the side wall of the upper chamber, a straight cylindrical tube extending downwardly from approximately the midpoint of the upper chamber to approximately the midpoint of the lower chamber with its lower edge in line with the axis of the lateral air outlet, a dome-like partition with a port at its center, the peripheral edge of the partition resting on the flange beneath the side wall of the upper chamber, the portion of the partition around its center port being supportingly fixed to the upper end of the cylindrical tube, and a retaining rod connected directly to the closed bottom of the lower chamber and to the cover of the upper chamber and extending therebetween through the cylindrical tube.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Description

1951 J. E. PERRIN 2,564,814
AIR CLEANER AND SILENCER Filed Aug. 25, 1948 INVENTOR James Perrz n LUPQOM ATTORN EY Patented Aug. 21, 1951 AIR CLEANER AND SILENCER James E. Perrin, Toledo, Ohio, assignor to The De Vilbiss Company, Toledo, Ohio, a corporation of Ohio Application August 25, 1948, Serial No. 46,052
(ill. 183-73) 2 Claims. 1
This invention relates to an air cleaner and silencer for attachment to the air intake of an air compressor or internal combustion engine.
The principal object of the invention is the provision of such an article of simple and compact design.
Another important object is the provision of a cleaner and a silencer that is particularly effective in reducing the noise ordinarily escaping from the air inlet of compressors and engines.
These and other objects of the invention are attained through the use of a minimum number of parts and the positioning and shape of the silencing elements.
The device is composed of four main partsa cover, an annular filter, a partition, and a casing. In addition there is a stud and thumb nut which holds the parts in assembled relation In the drawing is a single view illustrating a vertical central section of an air cleaner and silencer embodying my invention.
As shown in the drawing the device has a lower casing l with a lateral air outlet 2 for connection to the air inlet of the compressor or engine to which it is attached. An internally extending flange 3 around the upper portion of the casing provides a seating surface for the arched partition 4. The latter is ported at its center with an annular upwardly turned lip 5 bordering the port. To the interior of the lip is permanently affixed a vertical tube 6 depending therefrom to near the bottom of the casing.
Upon the flat edge 1 of the partition rests the lower end of the cylindrical filter 8 composed of several layers of wire fabric. Closing the upper end of the filter is a top 9. From the bottom of the casing, to which it is threaded, a stud ill extends through the tube 5 and through the top A thumb nut H threaded to the exteriorly protruding end of the stud bears against the top with the stud holds the top, filter and casing together.
When in operation air is drawn through the filter and flows downwardly through the tube '3 into the casing and thence through the outlet 2.
While the theory of its functioning is not full understood, the simple arched partition with the centrally depending tube secures a silencing action more effective than that obtained with many of the devices used in the past involving a much more complicated arrangement of nested tubes and multiple bafiles.
Actually, observations of this device under test indicate that its success is derived more from its ability to reduce the pitch or wave frequencies than to absorb or eliminate the audible waves.
It is to be understood that while the invention is simple in design, the specific embodiment shown and described herein is a preferred embodiment only and minor changes may be made therein without departing from the spirit of the invention.
What I claim is:
1. An air cleaner and silencer consisting of a,
cylindrical upper chamber, a circular imperforate cover for said chamber, the side wall of said chamber being composed of air filtering material, a cylindrical lower chamber having a closed bota circular top opening approximating the full width of the lower chamber, and a lateral air outlet, an inwardly directed flange bordering top opening and supporting the side wall of the upper chamber, a straight cylindrical tube extending downwardly from approximately the midpoint of the upper chamber to the midpoint of the lower chamber, a dome-like partition with a port at its center, the peripheral edge of the partition resting on the flange beneath the side wall of the upper chamber, the portion of the partition around its center port being turned upwardly and being tangentially and supportingly fixed to the upper end of the cylindrical t e, and a retaining rod connected directly to closed bottom of the lower chamber and to the cover or" the upper chamber and extending therebetween through the cylindrical tube, the space between the cover and the closed bottom of the lower chamber being entirely free of intervening elements except for said partition, cylindrical tube and retaining rod.
2. An air cleaner and silencer consisting of a cylindrical upper chambena circular imperforate cover for said chamber, the side wall of said chamber being composed of air filtering material, a cylindrical lower chamber having a closed bottom, a circular top opening approximating the full width of the lower chamber, and a lateral air outlet, an inwardly directed flange bordering said top opening and supporting the side wall of the upper chamber, a straight cylindrical tube extending downwardly from approximately the midpoint of the upper chamber to approximately the midpoint of the lower chamber with its lower edge in line with the axis of the lateral air outlet, a dome-like partition with a port at its center, the peripheral edge of the partition resting on the flange beneath the side wall of the upper chamber, the portion of the partition around its center port being supportingly fixed to the upper end of the cylindrical tube, and a retaining rod connected directly to the closed bottom of the lower chamber and to the cover of the upper chamber and extending therebetween through the cylindrical tube.
JAMES E. PERRIN.
REFERENCES CITED lhe following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,934,463 Hartsock Nov. 7, 1933 2,126,643 Kamrath Aug. 9, 1938 2,340,152 Steensen Jan. 25, 1944 2,385,814 Kamrath Oct. 2, 1945 2,466,503 Stokes et a1 Apr. 5, 1949
US46052A 1948-08-25 1948-08-25 Air cleaner and silencer Expired - Lifetime US2564814A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576876A (en) * 1947-11-17 1951-11-27 Vilbiss Co Compressor
US2801705A (en) * 1955-01-26 1957-08-06 Air Maze Corp Silencer
US2869670A (en) * 1956-10-01 1959-01-20 Gen Motors Corp Intake silencer
US2881860A (en) * 1955-04-11 1959-04-14 William A Ternes Air cleaner and silencer
FR2568632A1 (en) * 1984-08-03 1986-02-07 Komatsu Zenoa Kk AIR FILTER FOR ENGINE
US4618263A (en) * 1982-09-22 1986-10-21 Mccord James W Sound suppressor in a liquid medium
US5618323A (en) * 1994-01-28 1997-04-08 Paccar Inc Integral cab and engine air intake system for a vehicle
CN102661218A (en) * 2012-05-29 2012-09-12 王宝根 Automobile energy-saving air filter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1934463A (en) * 1930-12-05 1933-11-07 Burgess Lab Inc C F Muffler
US2126643A (en) * 1936-09-12 1938-08-09 Gen Motors Corp Air cleaner and silencer assembly
US2340152A (en) * 1940-11-04 1944-01-25 Chrysler Corp Air cleaner and silencer
US2385814A (en) * 1935-11-20 1945-10-02 Gen Motors Corp Air cleaner and silencer assembly
US2466503A (en) * 1943-04-20 1949-04-05 Vokes Ltd Filter or cleaner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1934463A (en) * 1930-12-05 1933-11-07 Burgess Lab Inc C F Muffler
US2385814A (en) * 1935-11-20 1945-10-02 Gen Motors Corp Air cleaner and silencer assembly
US2126643A (en) * 1936-09-12 1938-08-09 Gen Motors Corp Air cleaner and silencer assembly
US2340152A (en) * 1940-11-04 1944-01-25 Chrysler Corp Air cleaner and silencer
US2466503A (en) * 1943-04-20 1949-04-05 Vokes Ltd Filter or cleaner

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576876A (en) * 1947-11-17 1951-11-27 Vilbiss Co Compressor
US2801705A (en) * 1955-01-26 1957-08-06 Air Maze Corp Silencer
US2881860A (en) * 1955-04-11 1959-04-14 William A Ternes Air cleaner and silencer
US2869670A (en) * 1956-10-01 1959-01-20 Gen Motors Corp Intake silencer
US4618263A (en) * 1982-09-22 1986-10-21 Mccord James W Sound suppressor in a liquid medium
FR2568632A1 (en) * 1984-08-03 1986-02-07 Komatsu Zenoa Kk AIR FILTER FOR ENGINE
US5618323A (en) * 1994-01-28 1997-04-08 Paccar Inc Integral cab and engine air intake system for a vehicle
CN102661218A (en) * 2012-05-29 2012-09-12 王宝根 Automobile energy-saving air filter

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