Matches 1 - 50 out of 152 1 2 3 4 >
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7357221 Exhaust gas muffler  
An exhaust gas muffler is provided for an internal combustion engine, especially for an internal combustion engine in a manually-guided implement such as a power saw, a cut-off machine, or the...
7337876 Suction apparatus with noise reduction means  
A suction apparatus is provided with noise reduction means in one or more airflow passages for reducing noise emission from an airflow generator or the like, wherein at least one airflow passage is...
7296657 Engine exhaust muffler with exhaust emission control function  
A muffler having a muffler body divided into first and second exhaust chambers by a partitioning member which has a third exhaust chamber formed therein. An exhaust inlet introduces exhaust gas...
7293629 Exhaust apparatus for small-sized engine  
An exhaust apparatus has an exhaust pipe that receives exhaust gas from an engine and a muffler attached to the exhaust pipe. The muffler has an exhaust portion that discharges exhaust gas received...
7287622 Exhaust muffler  
The present specification discloses a muffler for attenuating exhaust noise from an internal combustion engine. The muffler includes a main chamber, an intermediate pipe, a diffuser chamber, a...
7228935 Attachment pin for an exhaust-gas muffler  
The invention relates to an attachment pin ( 1 ) for fixing an exhaust-gas muffler ( 2 ) in an apparatus part ( 4 ) of a portable handheld work apparatus ( 5 ) driven by an internal combustion...
7191868 Combined silencer and spark arrester  
A silencer for silencing exhaust gases includes an acoustic resonator chamber that serves as a spark arrester to trap burning carbon particles and prevent them passing to the atmosphere. The...
7191849 Pneumatic tool  
A pneumatic tool includes a shell with a chamber defined therein, a first passage communicated with the chamber and a second passage communicated with the chamber. A rotor is installed in the...
7174991 Muffler for internal combustion engine  
The subject invention refers to a muffler comprising a muffler housing ( 1, 2 ) and generally a catalytic converter element ( 13 ) mounted in the housing, which muffler has at least one inner...
7141101 Filter assembly with noise attenuation  
A filter assembly configured for acoustic dampening for use with compressor assemblies such as oxygen concentrators including a compartmented housing member having an inlet opening, an outlet...
7127884 Muffler with an integrated catalytic converter  
A muffler has an integrated SCR catalytic converter for an exhaust line of an internal combustion engine, in particular in a motor vehicle The muffler includes a housing which has an intake trumpet...
7062908 Construction for exhaust emission control  
An object of the present invention is to provide a construction for exhaust emission control, which can prevent thermal deterioration in a catalyst and can heat exhaust gas to a catalyst activation...
6991043 Pneumatic tool  
A pneumatic tool includes a shell with a chamber defined therein, a first passage communicated with the chamber and a second passage communicated with the chamber. A rotor is installed in the...
6978605 Exhaust emission control system for engine  
In an exhaust emission control system for an engine, comprising an exhaust emission control catalyst disposed in an exhaust muffler whose inside is divided into a plurality of chambers, at least a...
6968922 Exhaust apparatus for vehicle  
An exhaust apparatus for a vehicle includes a spark arrester having a tubular spark arrester body assembled on a rear portion of a muffler connected to an exhaust pipe. A tail pipe is inserted in...
6941751 Exhaust muffler and muffler system for use with an internal combustion engine  
An exhaust muffler system for use on a motorcycle or four-wheeled vehicle provides for operation in either of two modes, a regular configuration that provides a high degree of noise reduction, or a...
6932188 Silencer for vacuum cleaner  
A silencer for a vacuum cleaner is provided and includes at least one hermetic expansion chamber mounted in an exhaust channel of the vacuum cleaner and allowing an exhaust airflow from the vacuum...
6868938 Noise-reducing engine enclosure  
A noise-reducing engine enclosure for an engine includes first and second members removably mounted to one another in cooperating relation to define an engine receiving space therebetween. The...
6715582 Suction muffler  
The invention relates to a suction muffler for a hermetically enclosed compressor, with a housing having a first part with an outlet channel and a second part with an inlet channel, flow conducting...
6702880 Inlet silencer/filter for an oxygen concentrator  
An improved inlet silencer/filter for an oxygen concentrator includes a HEPA filter and an adjoining chamber for receiving air flow from the HEPA filter. The chamber is surrounded on one face by...
6540046 Compact economical spark arrestor and muffler  
A screen-type spark arrestor ( 34 ) may be efficiently and compactly mounted in a muffler ( 10 ). A tubular screen is coaxial with an exhaust pipe ( 24 ) and has a first end ( 36 ) axially spaced...
6467570 Spark arrester with spark filter  
An exhaust processor includes a housing formed to include an interior region and a partition or first spark arrester that partitions the interior region into chambers and includes a wool filter...
6467569 Spark arresting muffler with exhaust path parallel to muffler centerline  
An engine muffler and spark arrestor includes an outer tube extending along an axis and having an inlet end and an outlet end. A plurality of substantially identical nested discs are disposed...
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...
6393835 Exhaust muffler comprising a catalytic converter  
The invention relates to an exhaust-gas muffler on an internal combustion engine in a motor chain saw. The exhaust-gas muffler includes a housing ( 1 ) which is assembled of two housing shells ( 2,...
6170604 Exhaust gas muffler  
An exhaust gas muffler for an internal combustion engine has a housing having an inlet and an outlet for engine exhaust gas. The housing has walls defining the interior of the housing. The housing...
6164066 Muffler for internal combustion engine  
A muffler for an internal combustion engine has a vertically elongated expansion chamber into which an exhaust gas from the exhaust port of internal combustion engine is introduced. The expansion...
6094774 Silencer for a suction cleaner  
A suction cleaner comprising a motor which operates a blower in such a manner that the blower blows a flow of air out into a motor chamber that delimits a volume which extends at least radially...
6048386 Integrated resonator and filter apparatus  
An integral filter and resonator apparatus includes filter elements positioned upstream of a Helmholtz resonator. The first embodiment includes filter elements positioned side by side within the...
6044926 Muffler for small general-purpose engine  
A muffler for small general-purpose engine includes a case comprising a pair of case halves coupled together and divided into a first chamber and a second chamber by a partition plate. An inlet of...
5996732 Muffler for a two-stroke internal combustion engine  
A muffler for a two-stroke internal combustion engine has a housing enclosing a hollow space and having an exhaust gas inlet and an exhaust gas outlet. Shaped sheet metal members are mounted in the...
5969299 Exhaust system for vehicle  
An exhaust system for a vehicle includes a muffler connected to an exhaust pipe, which is in turn connected to an engine. A spark arrester is provided with a tail pipe and connected to the rear end...
5959262 Exhaust-gas muffler  
The invention relates to an exhaust-gas muffler for a two-stroke engine in a portable handheld work apparatus such as a motor-driven chain saw. The muffler housing includes an outer shell and an...
5919030 Electric fan  
An electric fan comprises: a radial impeller for expelling the air trapped therein out of the impeller; a diffuser having a multiplicity of air passages separated by air guides, the air passages...
5883342 Muffling device for combustion engines  
A muffling device for a combustion engine of a hand-guided working tool has at least one housing member with at least one outlet opening for exhaust gas. An elongate cover member is positioned...
5877461 Muffler  
Muffler (1) for portable working tools, preferably chain saws (2), whereby the muffler is mounted directly onto the cylinder's (16) exhaust gas outlet (3). The muffler's (1) exhaust gas outlet (4)...
5869793 Oval shaped spark arresting muffler for engines  
An engine muffler and spark arrester includes an oval shaped outer tube extending along an axis and having an inlet end and an outlet end. A plurality of substantially identical nested oval shaped...
5866859 Spark arresting structure for a muffler having a catalytic converter  
Muffler with catalytic converter (1) essentially arranged in direct connection with a combustion engine's exhaust port and mainly intended for portable working tools such as chain saws. A spark...
5792247 Integrated resonator and filter apparatus  
In integral filter and resonator apparatus includes filter elements positioned upstream of a Helmholtz resonator. The first embodiment includes filter elements positioned side by side within the...
5766458 Modulated and regenerative ceramic filter with insitu heating element  
A modular filter for removing particulate matter from gases or liquids is disclosed. The filter includes at least two porous ceramic or ceramic composite modules and a heater structure for...
5736690 Muffler with catalytic converter  
Muffler with catalytic converter (1) composed of a muffler housing (2) and a lid (3) which seals the muffler housing. A catalytic converter element is mounted in the lid and an exhaust pipe (5)...
5627351 Spark arrester for an exhaust unit of a vehicle  
A compact filter structure is provided having a cylindrical body disposed in the expansion chamber of a muffler. A tail pipe is inserted into the filter. The diameter of the filter is greater than...
5521339 Catalyst muffler system  
A muffler for coupling to an exhaust port of an internal combustion engine includes a housing, a first hollow body within the housing, a catalyzer within the first hollow body, and a second hollow...
5451728 Muffler for two-cycle internal combustion engine and method of assembly  
A muffler for a two-cycle internal combustion engine used to power lawn and garden equipment includes two mating shells and two plates, sandwiching a spark arrestor screen, are disposed between the...
5417727 Noise attenuating air cleaner assembly for an internal combustion engine  
A noise attenuating air cleaner assembly for an internal combustion engines or the like operating in a dusty environment. The air cleaner assembly having a silencer assembly arranged concentric...
5373119 Exhaust muffler for internal combustion engine  
A muffler for internal combustion engines is formed of vertically separable body sections so that the sound absorbing and filter members may be accessed easily for replacement and/or cleaning.
5338903 Combination muffler and catalytic converter  
A combination muffler and catalytic converter for an exhaust system of a small internal combustion engine. The catalytic converter is mounted within a chamber formed inside the muffler which...
5306881 Exhaust silencer with spark arrester  
A spark arrester is mounted in a tail pipe of an exhaust pipe of an engine, in particular a 2-strokecycle engine, and prevents sparks from being emitted. The spark arrester includes a sack-like...
5246473 High performance exhaust muffler  
A high performance exhaust muffler which improves engine power and economy as well as providing a smoother engine performance. The muffler comprises an exhaust gas expansion section and a tubular...
5177962 External spark arrestor  
An external spark arrestor assembly attached directly to the outer shell of a muffler of an internal combustion engine. The assembly includes a spark arresting screen disposed over the exhaust port...
Matches 1 - 50 out of 152 1 2 3 4 >