FR2449782B1 - Amortisseur de bruit a absorption, en particulier pour soufflante a piston rotatif - Google Patents

Amortisseur de bruit a absorption, en particulier pour soufflante a piston rotatif

Info

Publication number
FR2449782B1
FR2449782B1 FR8003953A FR8003953A FR2449782B1 FR 2449782 B1 FR2449782 B1 FR 2449782B1 FR 8003953 A FR8003953 A FR 8003953A FR 8003953 A FR8003953 A FR 8003953A FR 2449782 B1 FR2449782 B1 FR 2449782B1
Authority
FR
France
Prior art keywords
rotary piston
sound absorber
absorption sound
piston blower
blower
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
Application number
FR8003953A
Other languages
English (en)
French (fr)
Other versions
FR2449782A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aerzener Maschinenfabrik GmbH
Original Assignee
Aerzener Maschinenfabrik GmbH
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 Aerzener Maschinenfabrik GmbH filed Critical Aerzener Maschinenfabrik GmbH
Publication of FR2449782A1 publication Critical patent/FR2449782A1/fr
Application granted granted Critical
Publication of FR2449782B1 publication Critical patent/FR2449782B1/fr
Expired legal-status Critical Current

Links

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
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1211—Flow throttling or guiding by using inserts in the air intake flow path, e.g. baffles, throttles or orifices; Flow guides
    • 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
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
    • 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
    • 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
    • F02M35/1272—Intake silencers ; Sound modulation, transmission or amplification using absorbing, damping, insulating or reflecting materials, e.g. porous foams, fibres, rubbers, fabrics, coatings or membranes
    • 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
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/18—Methods or apparatus for fitting, inserting or repairing different elements by using quick-active type locking mechanisms, e.g. clips

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
  • Pipe Accessories (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Fluid-Damping Devices (AREA)
FR8003953A 1979-02-23 1980-02-22 Amortisseur de bruit a absorption, en particulier pour soufflante a piston rotatif Expired FR2449782B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792907212 DE2907212A1 (de) 1979-02-23 1979-02-23 Absorptionsschalldaempfer, insbesondere fuer drehkolbengeblaese

Publications (2)

Publication Number Publication Date
FR2449782A1 FR2449782A1 (fr) 1980-09-19
FR2449782B1 true FR2449782B1 (fr) 1985-11-29

Family

ID=6063807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8003953A Expired FR2449782B1 (fr) 1979-02-23 1980-02-22 Amortisseur de bruit a absorption, en particulier pour soufflante a piston rotatif

Country Status (8)

Country Link
BE (1) BE881869A (enrdf_load_stackoverflow)
CH (1) CH647882A5 (enrdf_load_stackoverflow)
DE (1) DE2907212A1 (enrdf_load_stackoverflow)
FR (1) FR2449782B1 (enrdf_load_stackoverflow)
GB (1) GB2043774B (enrdf_load_stackoverflow)
IT (2) IT1136134B (enrdf_load_stackoverflow)
NL (1) NL8001109A (enrdf_load_stackoverflow)
SE (1) SE8001385L (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1256414B (it) * 1991-09-06 1995-12-05 Bosch Gmbh Robert Silenziatore per soffiante
DE10300920A1 (de) * 2003-01-13 2004-07-22 J. Eberspächer GmbH & Co. KG Luftschalldämpfer für ein Fahrzeugtemperiergerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR666774A (fr) * 1928-03-19 1929-10-05 Pot d'échappement silencieux, absorbeur des gaz nocifs d'échappement
US3163256A (en) * 1962-06-06 1964-12-29 Corning Glass Works Muffler with ceramic honeycomb baffle
CA1036025A (en) * 1974-02-15 1978-08-08 Wayne M. Wagner Acoustical energy attenuation apparatus

Also Published As

Publication number Publication date
IT8012452A0 (it) 1980-02-22
IT1136134B (it) 1986-08-27
DE2907212C2 (enrdf_load_stackoverflow) 1991-01-17
CH647882A5 (de) 1985-02-15
IT8015135V0 (it) 1980-02-22
GB2043774A (en) 1980-10-08
NL8001109A (nl) 1980-08-26
SE8001385L (sv) 1980-08-24
DE2907212A1 (de) 1980-09-04
FR2449782A1 (fr) 1980-09-19
GB2043774B (en) 1983-05-25
BE881869A (fr) 1980-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse