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7601191 |
Apparatus for venting a transmission case
A system for separating contaminants from an air stream entering a sealed case through a vent fitting communicating to the interior cavity of the case includes a contaminant separator having a...
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7601190 |
Air filter system
In an air filter system for an internal combustion engine having a fresh air line with an air inlet, a filter housing with an upper housing half and lower housing half, a filter element disposed in...
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7601188 |
Vacuum cleaner
A vacuum cleaner includes at least one cyclone dust separation unit. A cover is formed over the cyclone dust separation unit to attenuate noise generated by the cyclone unit. Dimples or recesses...
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7520925 |
Filter and silencer with a quick disconnect lid
A filter silencer with quick disconnect lid has a cylindrical hollow casing, an inlet, a filter within the casing, a spring loaded seal plate beneath the filter, a flange opposite the inlet, and a...
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7488377 |
Device for the intake and compression of at least one gas in fuel cell system
A device for sucking in and compressing at least one gas in a fuel cell system has a compressor for the gas connected, at its gas inlet, to a gas filter system via an elastic, sealed gas-routing...
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7438737 |
Vacuum cleaner
A cyclone vacuum cleaner including a plurality of cyclone chambers arranged in a group. The cyclone chambers are configured such that frequency characteristics of noises generated from respective...
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7416580 |
Filter assemblies and systems for intake air for fuel cells
A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element...
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7396390 |
Oxygen enrichment apparatus
An oxygen enrichment apparatus includes an oxygen enriching unit for generating oxygen-enriched air and a discharge unit for discharging the oxygen-enriched air transferred from the suction unit....
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7377954 |
Performance air filtration cartridge
An air filtration cartridge has annular filter media having a hollow interior and extending axially between first and second distally opposite end caps. The first end cap is an outlet end cap...
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7332016 |
Particulate trap with selective blocking element
A particulate trap has a housing with an inlet and an outlet. The particulate trap also has a plurality of fluidly isolated filters stacked within the housing, between the inlet and the outlet. The...
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7179326 |
Oxygen concentration apparatus
An oxygen concentrating apparatus 10 for generating oxygen enriched gas by adsorbing and separating nitrogen gas from air, comprises; an oxygen concentrator 40 having an adsorption cylinder...
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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...
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7138008 |
Filter assemblies and systems for intake air for fuel cells
A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element...
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7022152 |
Air cleaner device for vehicle
An air cleaner device 41 which includes a main air cleaner 56 and a sub air cleaner 67 which is connected to the main air cleaner 56 , and the sub air cleaner 67 is arranged parallel to...
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6936085 |
Vacuum loader
A specially arranged vacuum loader and industrial dust collector with a perforated plate tangential cyclone separator is provided to efficiently remove, readily collect, effectively separate and...
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6893487 |
Power generation aftertreatment system having a particulate filter dimensioned to be interchangeable with a muffler
A power generation system has a power source and an aftertreatment system connected to the power source. The aftertreatment system is adapted to treat an exhaust of the power source. The...
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6881237 |
Air filter for an internal combustion engine
An air filter housing for an internal combustion engine, which includes an unfiltered air capsule and a filtered air capsule, contains an orifice with perforations which are covered by...
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6866700 |
Filter housing assembly for use in oxygen concentrators and other compressors
A filter housing assembly including a substantially frusto-conical shaped housing member having an open end portion and a substantially closed dome shaped portion, the housing member being...
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6797027 |
Filter assemblies and systems for intake air for fuel cells
A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element...
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6761748 |
Air filtration system
An air filtration system for purifying an air stream, such as the intake air for an internal combustion engine, including a system plate ( 10 ), an unfiltered air zone ( 13 ), a filter housing ( 12...
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6726742 |
Air cleaner with a secondary intake
An air cleaner intake door is provided. An air cleaner with at least one sidewall and an opening defined in the sidewall has a door mounted over the opening. The door is rotationally movable...
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6626984 |
High volume dust and fume collector
An apparatus for removing dust and fumes from a flow of air, particularly a flow of air exhausted from an industrial work area. There is a large, cylindrical filter element mounted within a...
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6605131 |
Integrated active noise control with self-cleaning filter apparatus
An air induction system with active noise control includes a self-cleaning air filter that is integrated within an air intake housing. The self-cleaning air filter filters out contaminants such as...
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6569217 |
Industrial dust collector with multiple filter compartments
A specially arranged industrial dust collector with multiple filtering compartments is provided which is efficient, effective, and economical. The special industrial dust collector has a solids-gas...
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6551389 |
Sound transmitting air filter
An air filter ( 10 ) for an internal combustion engine of a motor vehicle designed to transmit sound into the passenger compartment or driver area in order to inform the driver of the operating...
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6530984 |
Air cleaner resonator mounting system and cover
An air cleaner includes a slide retention structure which engages a sliding resonator volume. The volume slides along the slide retention structure into an assembled position. Once assembled, a...
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6517614 |
Plastic hollow structure
A multi-component hollow structure including at least two synthetic resin housing parts ( 1, 3 ) with corresponding sealing surfaces ( 2, 4 ), and at least one half wall per housing part, in which...
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6503303 |
Enclosure for an air aspirating machine
An enclosure for an air aspirating machine, such as a compressor 11 for a fuel cell drive 13 , which represents a closed volume, so that said volume can be used acoustically for the air that is...
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6478838 |
Airflow system
An air treatment appliance for treating surrounding air including a body. A spider-mount mounted to the body has a motor mounted thereto in cantilever fashion. A fan attached to the motor may be a...
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6451097 |
Air treatment plant provided with noise attenuation means
An air treatment plant includes a waste gas vent connected to structure ( 50 ) for attenuating the noise conducted by this waste gas. The noise attenuation structure ( 50 ) is a substantially...
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6382161 |
Air induction system for internal combustion engine
An air induction device ( 11 ) for an internal combustion engine including an air filter housing ( 12 ) with an open induction tube ( 13 ) leading away from it and a supplementary induction tube (...
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6332308 |
Air filtration device for use with roof drill
The air filtration device for use with a roof drill has an air intake block attached to a vertical support abutting the mine roof lateral to the drill hole. A flexible hose attached to a dust...
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6136077 |
Steam absorption apparatus
An apparatus which absorbs gas that has been discharged from a pipe at a high velocity and which releases the gas to the atmosphere at a reduced velocity and with relatively low noise. The...
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5716431 |
Device for separating extremely fine particles from air
A particle separating arrangement includes a filter tube (1) that is made of electrostatically chargeable fibres, for instance electrete fibres, and through which an axial air stream can pass...
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5662727 |
Twin tower air dryer for an air compressor unit
A twin tower gas drying system is disclosed for filtering unpurified gas to supply purified gas to a pneumatic system. The drying system includes a separator, two coalescers, two desiccant towers...
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5630866 |
Static electricity exhaust treatment device
A device for treating automobile exhaust with a static electrical charge. The inventive device includes a housing having inlet and outlet ports positionable into communication with an exhaust pipe...
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5545239 |
Painting installation
A painting installation has an enclosure and a perforated floor. Air flows downwards inside the enclosure and is mixed with a liquid. Excess paint is extracted from the resulting mixture of the...
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5429650 |
Apparatus for defusing and scrubbing air streams
A smoke stack, which discharges contaminated gases, is provided with a plenum chamber, at its end, formed of one or more stacked modules. Each module includes a hollow cylindrical housing, from...
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5246472 |
Apparatus for filtering engine exhaust
An engine exhaust filtering system (10) filters carbon particles from exhaust gases. A length of pipe (12) leads from the engine to promote the agglomeration of carbon particles in the exhaust...
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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...
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5125940 |
In-line air filter apparatus
The improved in-line air filter apparatus of the present invention includes an air filter housing disposed in-line on the engine air intake hose of an internal combustion engine, with a tubular air...
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5059221 |
Integrated air cleaner assembly
A filter assembly comprising: first and second compartments, the first compartment comprising an exit tube, the second compartment comprising an air inlet the exit tube comprises a plurality of...
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5038815 |
Scrubber and muffler for exhaust gas from gas-powered valve actuators
Methods and apparatuses for cleaning and/or muffling a gas discharge which in one aspect includes a hollow body with a filter element mounted therein through which the discharge gas flows and in...
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4713097 |
Integrated engine air cleaner and venturi resonator
An integral air cleaner-noise silencer assembly includes a filter element dividing the assembly into lower and upper parts, the upper part constituting a lid or cover for the filter and including a...
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4701193 |
Smoke evacuator system for use in laser surgery
A smoke evacuator system for by-products of laser surgery including an inline construction of a motor and a filter assembly mounted on opposite sides of a mounting plate. The filter fits in a...
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4634457 |
Air cleaner for engine
An air cleaner for an engine is provided according to the invention. Said air cleaner comprises openings for communicating with atmosphere provided along a peripheral portion surrounding a suction...
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4605426 |
Insulated engine air cleaner
An engine air cleaner is disclosed having a housing with an inlet and an outlet and a filter therebetween. A vacuum chamber is formed in the housing so as to surround the inlet, outlet and filter...
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4582468 |
Suction muffler for hermetic motor compressors having m-shaped oil separation element
A muffler for motor compressors comprising a body closed at the lower side by a cover and provided on its frontal wall with a hole through which the refrigerating gas is sucked. The gas introduced...
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4348057 |
Blower and dust collecting machine and method of operation
Dust generated in coal mining is removed by means of a blower having an exhaust fan which draws air through its intake opening from the face of the coal. The blower is provided with a first stage...
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4236901 |
Air cleaner with secondary air filter element
A cylinder primary air filter element is coaxially disposed within a cylindrical shell between an air intake pipe and an outlet provided in the shell. A resilient secondary air filter element is...
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