BR7704302A - Aperfeicoamento em aparelho para reduzir pressao acustica - Google Patents

Aperfeicoamento em aparelho para reduzir pressao acustica

Info

Publication number
BR7704302A
BR7704302A BR7704302A BR7704302A BR7704302A BR 7704302 A BR7704302 A BR 7704302A BR 7704302 A BR7704302 A BR 7704302A BR 7704302 A BR7704302 A BR 7704302A BR 7704302 A BR7704302 A BR 7704302A
Authority
BR
Brazil
Prior art keywords
appliance
improvement
acoustic pressure
reduce acoustic
reduce
Prior art date
Application number
BR7704302A
Other languages
English (en)
Inventor
J Snyder
Original Assignee
Jet Aeration 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 Jet Aeration Co filed Critical Jet Aeration Co
Publication of BR7704302A publication Critical patent/BR7704302A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Pipe Accessories (AREA)
BR7704302A 1976-07-06 1977-06-30 Aperfeicoamento em aparelho para reduzir pressao acustica BR7704302A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/702,581 US4108274A (en) 1976-07-06 1976-07-06 Acoustical apparatus

Publications (1)

Publication Number Publication Date
BR7704302A true BR7704302A (pt) 1978-05-16

Family

ID=24821814

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7704302A BR7704302A (pt) 1976-07-06 1977-06-30 Aperfeicoamento em aparelho para reduzir pressao acustica

Country Status (7)

Country Link
US (1) US4108274A (pt)
AU (1) AU515737B2 (pt)
BR (1) BR7704302A (pt)
CA (1) CA1079197A (pt)
MX (1) MX3825E (pt)
NZ (1) NZ184402A (pt)
PH (1) PH13044A (pt)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502693A1 (fr) * 1981-03-26 1982-10-01 Wissembourg Sa Const Metallurg Silencieux pour moteurs de vehicules automobiles
US4736817A (en) * 1986-11-25 1988-04-12 Ap Industries, Inc. Stamp formed muffler
USRE33370E (en) * 1986-11-25 1990-10-09 Ap Parts Manufacturing Company Stamp formed muffler
US4700806A (en) * 1986-11-25 1987-10-20 Ap Industries, Inc. Stamp formed muffler
US4759423A (en) * 1987-06-11 1988-07-26 Ap Industries, Inc. Tube and chamber construction for an exhaust muffler
US4760894A (en) * 1987-06-11 1988-08-02 Ap Industries, Inc. Exhaust muffler with angularly aligned inlets and outlets
US4765437A (en) * 1987-10-07 1988-08-23 Ap Industries, Inc. Stamp formed muffler with multiple low frequency resonating chambers
US4821840A (en) * 1988-01-20 1989-04-18 Ap Parts Manufacturing Company Stamp formed exhaust muffler with conformal outer shell
US4909348A (en) * 1988-01-20 1990-03-20 Ap Parts Manufacturing Company Stamp formed exhaust muffler with conformal outer shell
US4836330A (en) * 1988-08-03 1989-06-06 Ap Industries, Inc. Plural chamber stamp formed muffler with single intermediate tube
US4924968A (en) * 1988-08-03 1990-05-15 Ap Parts Manufacturing Company Stamp formed muffler with reinforced outer shell
US4894987A (en) * 1988-08-19 1990-01-23 Ap Parts Manufacturing Company Stamp formed muffler and catalytic converter assembly
US4901815A (en) * 1988-10-18 1990-02-20 Parts Manufacturing Company Stamp formed mufflers
US4860853A (en) * 1988-12-20 1989-08-29 Ap Parts Manufacturing Company Stamp formed muffler with nonplanar array of tubes
US4901816A (en) * 1989-01-23 1990-02-20 Ap Parts Manufacturing Company Light weight hybrid exhaust muffler
US4905791A (en) * 1989-01-23 1990-03-06 Ap Parts Manufacturing Company Light weight hybrid exhaust muffler and method of manufacture
US4928372A (en) * 1989-04-07 1990-05-29 Ap Parts Manufacturing Company Process for manufacturing stamp formed mufflers
US5004069A (en) * 1990-01-26 1991-04-02 Ap Parts Manufacturing Company Stamp formed muffler with transverse baffle tube
US4958701A (en) * 1990-03-26 1990-09-25 Ap Parts Manufacturing Company Stamp formed muffler with pocket-free baffle crease
US5173577A (en) * 1990-09-04 1992-12-22 Ap Parts Manufacturing Co. Stamp formed muffler with low back pressure
US5252788A (en) * 1992-04-10 1993-10-12 Ap Parts Manufacturing Co. Stamp formed muffler with in-line expansion chamber and arcuately formed effective flow tubes
US5428194A (en) * 1993-10-19 1995-06-27 Ap Parts Manufacturing Company Narrow width stamp formed muffler
US5448831A (en) * 1993-11-08 1995-09-12 Ap Parts Manufacturing Company Method of manufacturing a stamp formed muffler with hermetically sealed laminated outer shell
CA2123870A1 (en) * 1994-03-02 1995-09-03 James E. Gerber Exhaust mufflers with stamp formed internal components and method of manufacture
US5816361A (en) * 1994-03-02 1998-10-06 Ap Parts Manufacturing Company Exhaust mufflers with stamp formed internal components and method of manufacture
US5907904A (en) * 1996-03-22 1999-06-01 Ap Parts Manufacturing Company Method of manufacturing an exhaust muffler with stamp formed internal components
US6341664B1 (en) 2000-01-13 2002-01-29 Goerlich's Inc. Exhaust muffler with stamp formed internal assembly
JP2007192164A (ja) * 2006-01-20 2007-08-02 Komatsu Ltd 吸気音低減装置及び作業機械
EP2565548A1 (de) * 2011-09-05 2013-03-06 Strabag Ag Luftentspannungsdüse für Hochdruckbelüftung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US859414A (en) * 1906-10-13 1907-07-09 William H Smith Muffler.
US1023644A (en) * 1910-11-22 1912-04-16 Joseph Hall Exhaust-muffler.
US1700993A (en) * 1927-05-09 1929-02-05 Bernet Franz Xavier Silencer for internal-combustion engines
US1772589A (en) * 1927-06-09 1930-08-12 Joseph W Beamer Muffler
US2576522A (en) * 1946-12-28 1951-11-27 Kyffin Frank Hankinson Engine silencer with transverse baffle structure
US2765044A (en) * 1951-07-18 1956-10-02 Hatte Jacques Louis Sound filtering apparatus

Also Published As

Publication number Publication date
US4108274A (en) 1978-08-22
CA1079197A (en) 1980-06-10
PH13044A (en) 1979-11-21
NZ184402A (en) 1980-12-19
AU515737B2 (en) 1981-04-30
MX3825E (es) 1981-07-31
AU2658377A (en) 1979-01-04

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