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Acoustics > Sound-modifying Means > Muffler, Fluid Conducting Type

Muffler, Fluid Conducting Type

Muffler, Fluid Conducting Type patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

10/09/14 - 20140299404 - Acoustic dispersing airflow passage
A plenum with features to disperse acoustic energy in an airflow while maintaining a relatively small pressure drop in the airflow is disclosed. A general structure of the plenum may include a perforated airflow passage surrounded by a substantially large space enclosed between the airflow passage and a plenum. The...

08/21/14 - 20140231167 - Muffler
A muffler having a shell of a double-layer structure includes an inner shell that is formed by fixing ends of a tubularly rolled plate material to each other through a lock seam, and an outer shell that is formed substantially in the same manner as the inner shell. In this...

02/27/14 - 20140054106 - Muffler insert for motor vehicles and method for producing same
A first aspect of the present application relates to a method for producing sound-damping, sound-absorbing and/or insulating molded material. More specifically, the method according to the invention relates to a method for producing said molded materials, wherein the fibrous material is wound around at least two carriers and subsequently the...

10/24/13 - 20130277142 - High pressure muffling devices
Some example muffling devices may include an inner flow conditioner shaped as a generally conical frustrum and a generally cylindrical an exhaust can around the inner flow conditioner. A ratio of a downstream end wall area of the inner flow conditioner to a downstream end annular area between the downstream...

08/22/13 - 20130213732 - Fluid line having a resonator
A fluid line includes a resonator having an inner part and a blow-molded outer part defining an inner surface. The inner and outer parts are fixedly connected. The inner part is an injection-molded part having first and second radial collars spaced axially apart from each other. The inner part defines...

06/06/13 - 20130140107 - Muffler including a resonator slide-in unit
A muffler for an intake tract of a combustion engine is provided. The muffler includes a resonator housing, which according to a part segment of an annular body is formed with continuous cross section. The muffler also includes a resonator slide-in unit, which according to a part segment of an...

03/07/13 - 20130056298 - Exhaust gas muffler for internal combustion engines and deep drawing tool therefor
A shell muffler for an internal combustion engine that is formed of a first shell and at least one second shell, which shells are connected at their respective edge regions BS so as to form the shell muffler, each edge region BS having a box-like inner contour KSi, which has...

01/24/13 - 20130020146 - Sound insulation in a refrigerant circuit
A muffler device for a refrigerant circuit with refrigerant containing refrigerant oil comprises a housing in which an upper muffler chamber and a lower muffler chamber are arranged, whereby the upper muffler chamber has an upper feed opening that can be connected to the refrigerant circuit, and the lower muffler...

12/13/12 - 20120312629 - Expandable chamber acoustic silencer
The expandable chamber acoustic silencer may be installed at the inlet or outlet of virtually any mechanism that processes air or other gas flow therethrough, to reduce the audible output of the gas flow. The silencer may be used to reduce the noise produced in an air conditioning system, in...

10/25/12 - 20120267189 - Muffler
A muffler (1) for an exhaust system of an internal combustion engine, especially of a motor vehicle, has a housing (2), which encloses a muffler volume (7) and has at least one flat wall area (6), with at least one inlet tube (3) and with at least one outlet tube...

06/07/12 - 20120138382 - Housing
For reducing self-induced vibrations of the jacket (2), at least one preloading device (14) is proposed, which is arranged in the housing interior space (7), which supports itself on a first supporting region (15) of the jacket (2) on the inside of the jacket (2) subject to a first preload...

05/31/12 - 20120132478 - Muffler
A muffler (1) for an exhaust system (2) of an internal combustion engine, especially of a motor vehicle, with a muffler housing (3), which encloses a housing interior space (5), and with at least one exhaust gas-carrying hollow body (4) with two half shells in a half shell construction. The...

03/08/12 - 20120055733 - Fluid transfer pipe and fluid transfer apparatus and a fluid attenuator and attenuator apparatus
A fluid transfer pipe (1) comprising opposed ends (3, 5) adapted to be connected to respective pipework, the pipe (1) comprising a longitudinal axis (9), the transverse cross section of the pipe (1) varying along the length of the pipe such that the distance radially outwardly from the longitudinal axis...

02/02/12 - 20120024620 - Silencer device for a hair dryer
A silencer device for a hair dryer comprises a container structure (2) exhibiting a plurality of inlet openings (8), an outlet opening (9) and a conduit (10) connecting the inlet (8) and outlet (9) openings to one another and further comprising a ring (14) made of sound-absorbent material, inserted in...

02/02/12 - 20120024621 - Perforation acoustic muffler assembly and method of reducing noise transmission through objects
A noise attenuation system is disclosed for use in a structure having a recessed fixture mounted therein or other unit which creates a hole in the structure in which it is secured, such as a ceiling. The noise attenuation system is constructed to permit the absorption of noise emitted into...

06/02/11 - 20110127105 - Muffler for vehicle
A muffler apparatus for a vehicle may include a speaker chamber that produces sound while vibrating by pressure of an exhaust gas flowing into a muffler housing, wherein the speaker chamber is formed in the muffler housing, the pressure of the exhaust gas being greater than a predetermined value....

02/10/11 - 20110031063 - Silencer for motor vehicle exhaust line
is characterized in that the outlet pipe (18) comprises a section (32) pressed against the casing (12), the casing (12) having at least one perforation placing the pressed section (32) in communication with the exhaust volume....

02/03/11 - 20110024227 - Vehicle silencer
A silencer for an exhaust system, more preferably of a motor vehicle, is provided with a silencer insert arranged in a silencer housing. The silencer includes a jacket, with at least one pipe section penetrating a through-opening of the jacket. Through welding of the pipe section to the silencer insert...

01/13/11 - 20110005857 - Exhaust system and corresponding connection device for an actuator
A connection device (1) for an actuator (4) acting as an active exhaust muffler is provided for connection to at least one feeding pipe section (8) of an exhaust system (3) of an internal combustion engine, especially of a motor vehicle. A connection section (5) is arranged between the actuator...

09/02/10 - 20100219013 - Silencing arrangement
In an appliance, such as a cyclonic vacuum cleaner, a motor is arranged to drive an impeller fan located in a motor and fan unit. The rotation of the impeller may cause nuisance tones to be generated. A silencing arrangement is provided to control such noise and includes a plurality...

12/31/09 - 20090321180 - Roof-mounted muffler for system for generating electric power
An exhaust system for an electric power generation system is disclosed. The exhaust system may include a muffler configured to suppress noise associated with operation of an engine associated with the electric power generation system. The muffler may be configured to be mounted in a roof of a housing configured...

12/03/09 - 20090294210 - Exhaust-gas muffler
An exhaust-gas muffler (1) has a housing (2) through which at least one sleeve (11) projects. At one end, the sleeve (11) has an attachment opening (10) and at the opposite-lying end has an access opening (14). To avoid a contamination of the sleeve (11) during operation, a plug (15,...

07/02/09 - 20090166125 - Acoustic load mitigator
A system for reducing an acoustic load of a fluid flow includes a first pipe to carry the fluid flow; a standpipe connected to the first pipe at an opening in the first pipe; and a standpipe flow tripper provided in the standpipe. The flow tripper includes an edge extending...