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7621373 |
Acoustic drain
A baffle assembly for a hollow cavity is disclosed. The baffle assembly includes a labyrinth that defines a tortuous drain passageway. The baffle assembly includes a vertical portion that abuts an...
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7591345 |
Angled muffler seam construction and method
A muffler with enhanced seam strength construction, and method therefor, is provided by shell sidewalls having facing lips extending at an angled direction relative to afterfire explosive force...
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7464787 |
Motorcycle exhaust assembly and method of using same
A configurable motorcycle exhaust assembly, including an elongated hollow body; an inlet end cap fixedly connected to an inlet end of the elongated hollow body; an exhaust end mount fixedly...
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7445084 |
Soundproof thermal shield
The invention relates to a soundproof thermal shield ( 3 ), particularly for motor vehicles, comprising an aluminum support ( 4 ), a noise-absorbing layer ( 6 ) and an aluminum thermal covering ( 7...
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7374016 |
Muffler device
To provide a muffler device capable of improving the discharge of exhaust gas, while discharging the exhaust gas in any desired direction. The muffler device is connected to a rear end portion of...
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7364013 |
Shell main body for muffler
The shell main body for a muffler includes an inner shell in a cylindrical shape with a cross-section of an imperfect circle defined by small arc portions alternating with large arc portions; and...
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7316292 |
Spun extrusion side entry muffler
By using a spun extrusion method to form a side entry exhaust inlet, a muffler can be completely stuffed and end caps can be spun onto opposing ends of the muffler on a high speed production line...
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7293628 |
Shell main body for muffler
A cylindrical shell main body constituting a muffler main body is formed of two layers of an inner shell and an outer shell and has a cylindrical shape with a cross section that is not a perfect...
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7273129 |
Muffler with internal heat shield
An exhaust muffler includes upper and lower external shells that are formed from metal material. A heat shield is disposed in the muffler adjacent the upper external shell. The heat shield is...
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7104359 |
Muffler having a baffle with angled plates
A muffler having a baffle with angled plates includes a one piece baffle, a container and two end caps. The one piece baffle has at least three different configurations. The baffle preferably has...
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7086497 |
Induction system with low pass filter for turbo charger applications
A flow tube for an induction system with a turbo charger includes a first tube half and a second tube half with a noise attenuation plate positioned between the halves. The noise attenuation plate...
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6973959 |
Heat exchanger for cooling a motor vehicle exhaust gases
A heat exchanger for cooling motor vehicle exhaust gases, which heat exchanger is to be fitted into an exhaust line of the vehicle and having at least three tubes in contact by way of their outer...
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6938727 |
Integrated engine compartment component and air intake system
A fan shroud includes a fan shroud portion having a surface including an aperture. A cooling fan is supported proximate to the aperture for permitting air flow through the fan shroud from the...
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6892855 |
Embossed shell for spun mufflers
An exhaust muffler with a single-wall shell having a first end and a second end features a plurality of embossments formed on the shell and extending from the first end of the muffler to the second...
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6892852 |
Exhaust housing part of a motor vehicle, particularly for an exhaust muffler or an exhaust gas catalyst
In an exhaust housing part of a motor vehicle, particularly for an exhaust muffler or an exhaust gas catalyst of an automobile, with a sheet blank as a semi-finished part which, after a stamping...
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6879056 |
Converting sensed signals
A way of converting sensed signals to a desirable form of electrical signals is provided that includes providing an input signal to a common input terminal of a sensing block. The way comprises...
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6776257 |
Sound-attenuating muffler having reduced back pressure
A muffler for an internal combustion engine having: (a) a housing including: (i) an inlet opening formed for a flow of exhaust gas into the housing, (ii) an outlet opening formed for a discharge of...
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6659222 |
Multi-chambered muffler
A muffler includes an outer shell which defines a chamber. A baffle is positioned in the chamber. A pair of plates cooperate with the baffle to partition the chamber into subchambers.
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6575267 |
Exhaust component having multiple-plated outer shell
A housing for an exhaust component having a longitudinal axis, an outer shell, an inner shell positioned within the outer shell, an expanding joint for permitting relative longitudinal movement of...
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6571911 |
Muffler for an engine
A muffler including a long outlet pipe 20 having an exhaust gas inlet pipe portion 21 , a return pipe portion 22 , an exhaust gas outlet pipe portion 23 , and two turnaround pipes 24, 25 for...
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6543577 |
Silencer
A silencer ( 10 ) includes a polymeric casing ( 12 ) spaced from at least one inlet pipe and at least one outlet pipe by polymeric spacers ( 52 ). The polymeric spacers are made from a different...
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6531091 |
Muffler made of a titanium alloy
A muffler of a muffler made of a titanium alloy wherein advantages of lightness and corrosion-resistance that the titanium alloy originally has are used, and heat-resistance and...
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6499561 |
Muffler for all terrain vehicle
A rear end surface of a muffler is inclined so as to extend in parallel to the ground (E) when an all terrain vehicle is leaned against a support with rear ends of a rear carrier and rear portions...
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6470998 |
Modular muffler with end plate adaptors and spark arresters
A modular muffler that is quickly and easily adapted for use with a wide variety engines is disclosed. The muffler has a dimensionally standardized body member with end portions that may receive...
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6457554 |
Acoustic absorber for absorbing noises in buildings
An acoustic absorber includes an enclosure having a front opening and having a chamber communicating with the front opening for receiving an acoustic absorbing member which includes a housing...
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6431311 |
Muffler with interchangeable outlet tips
A muffler assembly is disclosed allowing one or more outlet tips to be secured to an exhaust. The muffler comprises a casing having an outlet end including threaded holes or threaded bolts attached...
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6427802 |
Muffler
A muffler in which in order to reduce a harsh high-frequency component exhaust noise as exhaust noise of a vehicle, and relieve a feeling of discomfort due to the exhaust noise, on at least one of...
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6422338 |
Exhaust gas muffler for internal combustion engines
An exhaust gas muffler is provided for an internal combustion engine, especially for two-stroke engines of manually guided implements such as power chain saws, brush cutters or the like. The...
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6415889 |
Stamped-formed muffler apparatus and assembly process
A muffler and method of making a muffler is disclosed wherein the muffler is formed from a single sheet showing four portions separated by three folds lines and wherein the two center portions are...
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6405827 |
Lock seam for canisters
A lock seam for joining a first edge of material to a second edge of material is described. The first edge is wrapped in a first curl such that the first curl is substantially circular in shape....
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6394226 |
Method for manufacturing an intake muffler particularly for compression circuit for refrigeration systems and the like
A method for manufacturing intake mufflers, particularly for compression circuits for refrigeration systems and the like, comprising the steps of: molding a cover and a base of an intake muffler;...
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6394225 |
Muffler structure
To provide a muffler structure capable of lowering muffler cost. A muffler structure is provided in which a sound absorbing material is laid on the inside surface of an outer tube. The sound...
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6374944 |
Silencer with internal rain diverter
Disclosed herein is a silencer for reducing acoustic energy in a flow of exhaust gas from a combustion power source which prevents rain or snow from entering an exhaust stack without the need for a...
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6364054 |
High performance muffler
A high performance muffler is used to modify sound waves of exhaust gases generated by a high performance internal combustion engine. The muffler has an inlet for connection to an internal...
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6341664 |
Exhaust muffler with stamp formed internal assembly
A muffler including an internal assembly formed of a pair of identical stampings. The internal assembly includes three tubes extending longitudinally between baffles. The internal assembly received...
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6341663 |
Silencer with a shunt resonator
The invention relates to a silencer. The silencer includes a sound conducting channel having two ends. An injection molded part is arranged between the two ends of the sound conducting channel and...
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6332511 |
Silencer assembly having single strand fiberglass acoustic pack material
A silencer assembly having a cylindrical chamber having a closed cylindrical outer wall, a first end wall and a second end wall, the first end wall having an inlet therein, and the second end wall...
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6308799 |
Integrated muffler-bumper system
A space efficient, structurally rigid, integrated muffler and bumper assembly is provided. The muffler and bumper assembly comprises an extruded skeleton, an energy absorbing bumper, and a bumper...
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6296074 |
Noise reducing exhaust system and method
A time warp method of reducing noise in an exhaust stream includes the step of directing the exhaust stream into an inlet aperture of a sound cancellation chamber. The method also includes...
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6260659 |
Silencer for internal combustion engine
Compactness is enhanced while retaining the performance, noise deadening characteristic and engine output. The ratio of the distance, a, from a gas outlet end, p, of an exhaust pipe to an inner...
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6257367 |
Stamp-formed muffler
A muffler includes an outer shell defining a chamber and a pair of inner plates positioned in the chamber. Each inner plate includes first and second folds partitioning each of the inner plates...
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6250422 |
Dual cross-flow muffler
A muffler includes an upstream outer shell, a downstream outer shell, and identical upstream and downstream inner baffles forming in combination an upstream expansion chamber, an inner expansion...
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6241044 |
Exhaust silencer and communicating pipe thereof
More than two damping chambers 2A to 2C), a communicating pipe (6) for intercommunicating the damping chambers (2A, 2B) and another communicating pipe (7) for intercommunicating the damping...
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6241043 |
Muffler insert and process for the production thereof
In order to create a process for producing muffler inserts as well as novel muffler inserts, which are most optimally adaptable in size and shape to the interior space of the muffler housing to be...
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6196351 |
Silencer cartridge
A silencer for a vehicle exhaust assembly is described. The silencer comprises an outer wall, a porous exhaust pipe which defines an inner wall and a sound absorbent fibrous material located...
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6164412 |
Muffler
A muffler includes an outer shell defining a chamber and first and second tubes positioned in the chamber. The first tube has a flat side wall and the second tube has a flat side wall positioned...
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6158214 |
Exhaust silencer arrangement
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6152258 |
Exhaust system with silencing and water separation capability
An exhaust system is provided with a structure that separates water from an exhaust stream and also attenuates the noise of the exhaust system. Water laden exhaust is directed from an inlet conduit...
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6148956 |
Resonator with high heat resistance
The present invention provides a resonator including an upper case defining a portion of a resonance chamber and having a communicating hole communicating with the resonance chamber, a lower case...
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6105717 |
Pipe section punning along a curve
Pipe section running along a curve, intended for use in a muffler, comprising two hollow-formed molded parts which are mirror-symmetrical in relation to the radial plane of the curve and which have...
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