CA1089774A - Element insonorisant poreux concu pour reduire le bruit cause par l'ecoulement d'un gaz - Google Patents

Element insonorisant poreux concu pour reduire le bruit cause par l'ecoulement d'un gaz

Info

Publication number
CA1089774A
CA1089774A CA299,786A CA299786A CA1089774A CA 1089774 A CA1089774 A CA 1089774A CA 299786 A CA299786 A CA 299786A CA 1089774 A CA1089774 A CA 1089774A
Authority
CA
Canada
Prior art keywords
porous
layers
cross
multiplicity
layer
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
CA299,786A
Other languages
English (en)
Inventor
Andrew R. Spencer
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.)
Purolator Products Co LLC
Original Assignee
Purolator Products Co LLC
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 Purolator Products Co LLC filed Critical Purolator Products Co LLC
Priority to CA000358612A priority Critical patent/CA1121784A/fr
Application granted granted Critical
Publication of CA1089774A publication Critical patent/CA1089774A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling by passing the exhaust gases through porous members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/18—Making special types or portions of network by methods or means specially adapted therefor of meshed work for filters or sieves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • F16L55/02745—Throttle passages by passing through a mass of particles or a porous member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Laminated Bodies (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CA299,786A 1977-03-28 1978-03-28 Element insonorisant poreux concu pour reduire le bruit cause par l'ecoulement d'un gaz Expired CA1089774A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000358612A CA1121784A (fr) 1977-03-28 1980-08-19 Element acoustique poreux et methode permettant de reduire le bruit aerodynamique dans un gaz en mouvement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78160177A 1977-03-28 1977-03-28
US781,601 1977-03-28

Publications (1)

Publication Number Publication Date
CA1089774A true CA1089774A (fr) 1980-11-18

Family

ID=25123296

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299,786A Expired CA1089774A (fr) 1977-03-28 1978-03-28 Element insonorisant poreux concu pour reduire le bruit cause par l'ecoulement d'un gaz

Country Status (2)

Country Link
CA (1) CA1089774A (fr)
GB (1) GB1576790A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5966960A (en) * 1998-06-26 1999-10-19 General Motors Corporation Bi-directional refrigerant expansion valve

Also Published As

Publication number Publication date
GB1576790A (en) 1980-10-15

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Legal Events

Date Code Title Description
MKEX Expiry