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7611553 |
Dust collector and vacuum cleaner provided with the same
There are provided a dust collector for cleaning dirt, dust, etc. adhering to a filter in association with the operation for opening and closing a cap of the dust collector, and a vacuum cleaner...
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7608138 |
Device for measuring filter pressure loss
Provided is an apparatus 1 for measuring pressure loss in a filter 2, which apparatus includes filter holding means 3 ; fluid passing means; flow rate measuring means; pressure loss measuring...
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7594940 |
Electrically heated particulate filter diagnostic systems and methods
A system that diagnoses regeneration of an electrically heated particulate filter is provided. The system generally includes a grid module that diagnoses a fault of the grid based on at least one...
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7563295 |
Filter having inlet portion with diffuser elements
A filter including a filter housing with an essentially horizontal partition wall that divides the filter housing into a clean-air chamber and a dust chamber. The partition wall is provided with a...
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7544223 |
Air conditioner
An inner portion of a filter cleaning portion 300 arranged at an inner portion of an interior unit is respectively arranged with cleaning units 300 A, 300 B constituted by arranging upper...
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7517376 |
Reverse pulse cleaning of filter elements
An air supply system and valve is disclosed which provides a reverse pulse of air for cleaning a filter element located in a filter house. A valve is also disclosed for use in the air supply...
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7507270 |
Agricultural working vehicle with air scoop for air intake system
A working vehicle, such as an agricultural combine, includes a vehicle body and an internal combustion engine carried by the vehicle body. The internal combustion engine includes a heat exchanger....
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7494520 |
Filter device for vacuum cleaner
A filter device for a vacuum cleaner includes a casing having a collecting space therein, a suction opening through which air including dust is sucked, formed eccentrically at one side so that...
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7485163 |
Nozzle and filter-type dust collector
There are provided a nozzle capable of enhancing the straight-advancing capability of jetted fluid to increase the back wash effect of a filter member, and a filter-type dust collector capable of...
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7479170 |
Modular up-draft pressure pulse bag house
A bag house air filtration system with minimal recirculation uses new inlet airflow patterns and cleaning processes. Inlet air enters the bag house. An input plenum changes the velocity profile....
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7469532 |
Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings
An exhaust system that processes exhaust generated by an engine includes a diesel particulate filter (DPF) that is disposed downstream of the engine and that filters particulates from the exhaust....
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7449046 |
Method and arrangement for purifying gases fed to a fuel cell by removing operational unfavorable constituents
A method and an arrangement are provided for purifying gases which are fed to a fuel cell for operation. A filter system, which is designed to separate out particulates and polluting gases, is...
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7438735 |
Filter apparatus with automatic cleaning
A filter apparatus includes a gas-impermeable outer conduit having an open end and a closed end. The interior of the outer conduit is axially divided into first and second sides. A first clean and...
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7419520 |
Dust collection unit and vacuum cleaner with the same
A dust collection unit for a vacuum cleaner includes a dust collection container for collecting foreign objects contained in air introduced therein, covers defining a top and bottom of the dust...
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7402189 |
Autonomously-cleaned conditioning system
An autonomously-cleaned conditioning system conducts a routine purge cycle to clear accumulated particulates from a filter, concentrator, or both. The purge cycle is conducted by reversing air flow...
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7399419 |
Modular filtration system
A filter system includes a set of modules, each module including screen assemblies and filter media sandwiched between the screen assemblies. A plurality of control assemblies are associated with...
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7374600 |
System and method for excluding false back pressure faults after installation of a particulate trap filter
A method and system for preventing or minimizing false back pressure faults caused by a new particulate filter in an engine exhaust system. When a new particulate filter is placed in an engine...
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7357822 |
Filter control apparatus
In order to calculate an estimation of the quantity of accumulated particulates in a filter ( 32 ), a first estimation calculation unit ( 100 ) that outputs first estimation data (XA) calculated...
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7354469 |
Vacuum conveyor device with a multi-stage filter system
A Vacuum conveyor device ( 10 ) with a multi-stage filter system, has at least one inner filter ( 10 A), one outer filter ( 10 B), and one filter adapter ( 20 ) especially for air-tight and/or...
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7351273 |
Apparatus and method for separating dust constituents out of an explosive dust-air mixture
A method and an apparatus ( 10 ) for separating dust constituents out of an explosive dust-air mixture which is passed through a filter housing ( 26 ) with filter elements having filter surfaces...
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7338544 |
Z-filter media with reverse-flow cleaning systems and methods
A method for cleaning a filter having Z-media includes providing a filter having Z-media and cleaning the media construction by directing a pulse of compressed gas into the media construction...
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7329298 |
Filter
A filter for exhaust gases produced by an internal combustion engine, and a method of using such a mat on a vehicle. The filter is a mat of fibers enclosed within a metal gauze. Preferably, the...
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7318848 |
Dust collector for a vacuum cleaner
A dust collector is disposed between an intake port and an exhaust port in a vacuum cleaner. Air flows from the intake port into the exhaust port along an airflow path in the dust collector. The...
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7314501 |
Methods and device for filtration of exhaust gases for a diesel engine with a filtration surface which is variable by means of controlled obstruction
A method in which all or some of the particles contained in the exhaust gases of a diesel engine are retained on particle filters and burnt due to the action of a combustion catalyst. At least a...
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7309365 |
Vacuum cleaner
A vacuum cleaner including an electric blower for generating suction air, a collecting unit for collecting dust contained in the suction air, a dust removing unit for removing dust adhered to the...
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7309366 |
Bag cleaning compressed air nozzle
A process and apparatus for cleaning filter cake from the interior of a baghouse bag. A nozzle through which compressed gas flows is positioned on the interior of a bag such that gas is directed...
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7303603 |
Diesel particulate filter system with meta-surface cavity
A diesel particulate filter including a microwave-absorbing target housed within a waveguide cavity lined along the walls with a hard-electromagnetic surface (HES). The HES modifies specific...
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7303602 |
Diesel particulate filter using micro-wave regeneration
A diesel particulate filter including a microwave-absorbing target within a waveguide cavity. The cavity accepts microwave-frequency electromagnetic radiation through input couplers 90 degrees out...
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7300481 |
Method and device for cleaning filters for dust-laden waste gases
The invention relates to a method for cleaning filters for dust-laden waste gases, including several filter elements ( 2 ) which are arranged vertically in a filter housing ( 1 ) and which have an...
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7296402 |
Diesel particulate filter service method
A diesel particulate filter of a motor vehicle is cleaned of ash, typically using equipment already available in a service shop. The filter apparatus is disconnected from the exhaust system of a...
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7288137 |
Particulate trap
A particulate trap has a plurality of filters and an air distributor. The air distributor has a first flow member and a second flow member. Each of the first and second flow members have a...
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7264642 |
Exhaust gas cleaning apparatus
In an exhaust gas cleaning apparatus ( 30 ) in which a before and after differential pressure (ΔP) of a filter ( 32 ) used to trap particulates is detected for regeneration of the filter ( 32 ), a...
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7247190 |
Engine exhaust gas cleaning apparatus
An engine exhaust gas cleaning apparatus is provided to minimize torque shock as during regeneration of an exhaust gas cleaning device. The engine exhaust gas cleaning apparatus comprises a fuel...
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7208029 |
Exhaust gas cleaning system
An exhaust gas cleaning system is provided that comprises a particulate filter and an NOx trapping catalytic converter disposed upstream of the particulate filter. The exhaust gas cleaning system...
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7195659 |
Reverse-flow cleaning systems and methods
A device and method for cleaning a filter element. The device including a valve interconnected to a blowpipe. A nozzle is positioned at an end of the blowpipe and to direct a pulse of compressed...
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7186281 |
Dust-removing device for the dust-collecting tank of a dust-collecting machine
A dust-removing device for the dust-collecting tank of a dust-collecting machine includes a guide frame installed inside the dust collecting tank and having a central guide rod for a brush base to...
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7147693 |
Engine exhaust gas purification device
An engine exhaust gas purification device is disclosed. The purification device has a filter ( 13 ) which traps particulate matter contained in the exhaust gas from an engine; a differential...
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7147683 |
Back-flow valve and trigger for a cleaning machine
A valve and trigger cyclically connect a vacuum and a blower to a filter. The valve box has three openings, the first connectable to the vacuum, the second connectable to the blower and the third...
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7094265 |
Cleaning device for a bundle of tubular filter elements designed with one end open, preferably of an industrial dust filter
A cleaning device for a bundle of tubular filter elements designed with one end open, preferably of an industrial dust filter, is proposed. Injectors for delivery of a pulse-like compressed-air jet...
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7082640 |
Ambient air backflushed filter vacuum
A vacuum cleaning machine has a cannister with an inlet port and at least two outlet ports. At least two filters are disposed inside of the cannister, one in pneumatic communication through each of...
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7077888 |
Device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants
The invention relates to a device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants, comprising at least one dust filter via which the flue gases...
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7025811 |
Apparatus for cleaning a diesel particulate filter with multiple filtration stages
The present invention is directed to a filter cleaning device, in particular, diesel particulate filters. In one embodiment, the device comprises a source of high pressure fluid and means to...
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6960241 |
Paper trap
A paper trap includes a trap chamber. An outlet of the trap chamber is preferably connected to an inlet of the exhaust bypass damper. An inlet of the trap chamber is coupled to dust capture hoods...
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6908494 |
Multistage air cleaner including pulse cleaning system
A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension...
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6902592 |
Apparatus and method for cleaning an air filter unit
Shown is an apparatus and method for cleaning filter units of an air filtering system using a reverse flow pulse of pressurized air. The filter cleaning system includes a venturi element ( 36 )...
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6890365 |
Reverse-flow baghouse
An apparatus and method for removing particulate from a particulate-laden gas stream are disclosed. The apparatus and method include a reverse-flow process for cleaning filter bags with a cleaning...
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6887290 |
Debris separation and filtration systems
The invention provides a debris separation-filtration unit comprising a housing; an inlet that receives debris-laden air delivers the air in a tangential, centrifugal airflow-forming manner to the...
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6840974 |
Self-cleaning filter
A self-cleaning filter and cooling system are disclosed for filtering ambient air used to cool the interior of an equipment enclosure. The system includes an enclosure for housing predetermined...
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6830599 |
Back-flow valve and trigger for cleaning machine
A valve and trigger cyclically connect a vacuum and a blower to a filter. The valve box has three openings, the first connectable to the vacuum, the second connectable to the blower and the third...
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6797046 |
Structure of a dust-filtering module of a dust-collecting device
An improved structure of a dust-filtering module of a dust-collecting device which is characterized in that the top end of the mounting body is provided with a top mounting ring having an L-shaped...
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