US3880134A - Internal combustion engine in sound-proof casing - Google Patents

Internal combustion engine in sound-proof casing Download PDF

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Publication number
US3880134A
US3880134A US414579A US41457973A US3880134A US 3880134 A US3880134 A US 3880134A US 414579 A US414579 A US 414579A US 41457973 A US41457973 A US 41457973A US 3880134 A US3880134 A US 3880134A
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US
United States
Prior art keywords
metal ring
casing
internal combustion
combustion engine
tubular extension
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
US414579A
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English (en)
Inventor
Gerhard Thien
Heinz Fachbach
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3880134A publication Critical patent/US3880134A/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F02B77/13—Acoustic insulation

Definitions

  • F02b 77/00 wall are each sealed Off y means of an elastic packing [58] Field of Se h 123/] R 195 C 198 E; consisting of an outer and an inner metal ring and an 181/33 K elastic and oiland heat-resistant membrane vulcanized in between and attached both to the casing wall [56] References Cit d and to a tubular extension of the engine body concen- UNITED STATES PATENTS trically surrounding the shaft or line.
  • the invention relates to an internal combustion engine in a soundproof casing comprising perforations for the passage of shafts and lines in the casing walls and elastic gaskets outwardly closing the perforations.
  • the elastic packings are designed as annular elements, each comprising two concentric metal rings and an arcuate membrane vulcanized between the two metalrings and consisting of an oil-resistant and heatresistant material and attached with their outer metal ring to the casing wall and with the inner metal ring to a tubular extension of the engine body protruding into the perforation and concentrically surrounding the shaft or line concerned in such a manner as to provide positive sealing.
  • the tubular extension and the casing wall present concentrically opposite cylindrical fitting areas between which the annular element is located by pressure.
  • This pressing connection which is similar to the method of fitting a simmer gasket ensures by itself positive sealing of the annular element against the aperture of the casing wall and the tubular extension of the engine body.
  • the outer metal ring of the annular element presents a collar radially protruding in an outward direction and the inner metal ring comprises a collar radially extending in an inward direction, by means of which the annular element is attached to the casing wall and to the tubular extension, for example by means of bolts.
  • FIG. 1 shows a partially vertical cross-sectional view of the internal combustion engine with soundproof casing restricted to such areas as are essential for the comprehension of the invention
  • FIG. 2 is a sectional view of a detail of another embodiment of the invention.
  • HO. 1 shows the passage of the crankshaft l of the internal combustion engine extended at the crank wheel end, through the front wall 2 of the soundproof casing surrounding the engine and forming the crank wheel cover.
  • the casing wall 2 presents a circular perforation 4 in concentric relation to the axis 3 of the crankshaft 1, wherein a ring 5 of an L-shaped crosssection is inserted by welding.
  • a tubular extension 6 rigidly connected with the crankcase of the engine protrudes.
  • a sleeve 8 non-rotatably connected with the crankshaft 1 by means of bolts 7 extends through said extension 6 in coaxial relation thereto.
  • a vee-belt pulley 9 for the drive of the fan (not shown in the drawing) and other units of the engine.
  • the sleeve 8 serves to secure the axial position of the crank wheel 10 fixed to the extremity of the crankshaft 1 by means of a wedge.
  • an elastic annular element 11 is provided, consisting of an outer metal ring 12, an inner metal ring 13 and an arcuate membrane 14 of an elastic, oil-resistant and heat-resistant material vulcanized between the two rings 12, 13.
  • This annular element 11 is pressed between the inner surface of the reinforcement ring 5 and the outer surface of the tubular extension 6, as a result of which proper sealing off of the annular element 11 against the casing wall 2 and the extension 6 is ensured.
  • the annular element 1 1 is capable of absorbing relative motions between the engine and the soundproof casing at the passages of shafts and pipings, at the same time ensuring positive oil-tightness at the passages of these elements.
  • FIG. 2 illustrates a variant of an annular element 11' according to the invention.
  • the outer metal ring 12 of this annular element 1 1' comprises a radially outwardly protruding collar 15 provided with a number of fixing bores 16.
  • the inner ring 13 carries a radially inwardly protruding collar 17 also provided with fixing bores 16.
  • Such an annular element 11 is directly attached by means of bolts to the casing wall comprising the associated perforation and to the tubular extension of the engine provided with a corresponding flange.
  • An internal combustion engine with a soundproof casing having casing walls surrounding the engine body and perforations provided in the casing walls for the passage of shafts and lines, comprising a tubular extension for each shaft or line surrounding the latter in concentrical relation thereto and protruding from said engine body and extending as far as into the perforation for the passage of the associated shaft or line, an elastic packing sealing the perforation off against the outside and formed as an annular element comprising an inner metal ring, an outer, metal ring in concentrical relation to the former and an annular arcuate membrane of an elastic, oiland heat-resistant material, said membrane being vulcanized between said inner and said outer metal ring, said inner metal ring being tightly attached to said tubular extension of the engine body, and the outer metal ring being tightly attached to the casing wall in the area of the perforation.
  • An internal combustion engine comprising a first cylindrical fitting area provided on the periphery of said tubular extension, a second cylindrical fitting area concentrically opposite the firstin the area of said perforation, said annular element being inserted by pressing between the two cylindrical fitting areas.
  • An internal combustion engine comprising a radially outwardly protruding collar on the outer metal ring, a radially inwardly protruding collar on the inner metal ring, said annular element being attached by means of the radially outwardly protruding collar to the casing wall in the area of said perforation and by means of the radially inwardly protruding collar to the tubular extension.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Gasket Seals (AREA)
US414579A 1972-11-10 1973-11-09 Internal combustion engine in sound-proof casing Expired - Lifetime US3880134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT961872A AT331581B (de) 1972-11-10 1972-11-10 Schalldammend gekapselte brennkraftmaschine

Publications (1)

Publication Number Publication Date
US3880134A true US3880134A (en) 1975-04-29

Family

ID=3615756

Family Applications (1)

Application Number Title Priority Date Filing Date
US414579A Expired - Lifetime US3880134A (en) 1972-11-10 1973-11-09 Internal combustion engine in sound-proof casing

Country Status (5)

Country Link
US (1) US3880134A (de)
JP (1) JPS5216796B2 (de)
AT (1) AT331581B (de)
FR (1) FR2206793A5 (de)
SE (1) SE403506B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741488A1 (de) * 1976-09-17 1978-03-30 List Hans Brennkraftmaschine
US4184471A (en) * 1977-05-06 1980-01-22 Hans List Sound proof encapsulated engine, especially an internal combustion engine
US4287861A (en) * 1979-03-09 1981-09-08 Steyr-Daimler-Puch Aktiengesellschaft Reciprocating internal-combustion engine
US4327679A (en) * 1978-05-31 1982-05-04 Ricardo Consulting Engineers Limited I.C. Engines
US4546738A (en) * 1983-02-25 1985-10-15 Steyr-Daimler-Puch Aktiengesellschaft Reciprocating internal combustion engine
US6000879A (en) * 1997-04-15 1999-12-14 Wacker-Werke Gmbh & Co. Kg Gasoline-powered tamper

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980000995A1 (en) * 1978-11-03 1980-05-15 Caterpillar Tractor Co Vibration and dust isolation system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396712A (en) * 1967-05-29 1968-08-13 Gen Motors Corp Cover seal arrangement
US3678914A (en) * 1969-03-28 1972-07-25 Perkins Engines Ltd Rubber mounted sump
US3695386A (en) * 1969-03-20 1972-10-03 List Hans Sound-proofing component

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396712A (en) * 1967-05-29 1968-08-13 Gen Motors Corp Cover seal arrangement
US3695386A (en) * 1969-03-20 1972-10-03 List Hans Sound-proofing component
US3678914A (en) * 1969-03-28 1972-07-25 Perkins Engines Ltd Rubber mounted sump

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741488A1 (de) * 1976-09-17 1978-03-30 List Hans Brennkraftmaschine
US4126115A (en) * 1976-09-17 1978-11-21 Hans List Internal combustion engine
US4184471A (en) * 1977-05-06 1980-01-22 Hans List Sound proof encapsulated engine, especially an internal combustion engine
US4327679A (en) * 1978-05-31 1982-05-04 Ricardo Consulting Engineers Limited I.C. Engines
US4287861A (en) * 1979-03-09 1981-09-08 Steyr-Daimler-Puch Aktiengesellschaft Reciprocating internal-combustion engine
US4546738A (en) * 1983-02-25 1985-10-15 Steyr-Daimler-Puch Aktiengesellschaft Reciprocating internal combustion engine
US6000879A (en) * 1997-04-15 1999-12-14 Wacker-Werke Gmbh & Co. Kg Gasoline-powered tamper

Also Published As

Publication number Publication date
AT331581B (de) 1976-08-25
JPS5216796B2 (de) 1977-05-11
JPS49100429A (de) 1974-09-24
FR2206793A5 (de) 1974-06-07
SE403506B (sv) 1978-08-21
ATA961872A (de) 1975-11-15

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