Patents
Sitemap › B03 - Separation of solid materials using liquids or using pneumatic tables or jigs; Magnetic or electrostatic separation of solid materials from solid materials or fluids; Separation by high-voltage electric fields › B03C - Magnetic or electrostatic separation of solid materials from solid materials or fluids; Separation by high-voltage electric fields › B03C 3 - Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
Patents for B03C 3 - Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect (12,140)
12/1989
12/27/1989CN1006270B High voltage pulse generator
12/20/1989EP0346803A1 Method and device for removing soot and condensable components from diesel exhaust gases
12/14/1989WO1989011913A1 An emission electrode
12/13/1989EP0345828A2 Electrostatic dust collector
12/13/1989EP0345309A1 Electrostatic filter for continuous separation of solid or liquid particles suspended in a gas stream
12/12/1989US4886527 Multilayer electret filter and process of using same
12/12/1989US4886526 Electronic air filtration system
12/12/1989US4886524 Spraying liquid into exhaust gas, passing into dust collector with vacant first chamber; reduced flue length
12/06/1989CN1006032B Fast spark detector
12/05/1989US4885139 Spraying neutralizing solution to form salt; multistage, multizonal; air pollution control
11/1989
11/30/1989WO1989011338A1 Circuit arrangement for the high-voltage supply of an electrostatic filter
11/29/1989EP0344074A2 Removable ionisation chamber for a gas cleaner, especially of air
11/29/1989CN2048395U Electric dust clecting controller
11/28/1989US4883509 Multi stage gas inlet construction for dust collectors
11/28/1989US4883224 Ashtray apparatus
11/23/1989EP0342731A1 Emission electrode for electrostatic dust separator
11/23/1989EP0342539A2 Elektrostatic dust separator
11/14/1989US4880448 Double filter insert for an air cleaning apparatus
11/08/1989EP0341152A1 Process and device for controlling the soiling of electrostatic filters
11/02/1989WO1989010198A1 Source of alternating voltage for gas-cleaning electrofilters
11/02/1989DE3813314A1 Voltage supply for an electrostatic precipitator (filter)
10/1989
10/31/1989US4877428 Ionic air cleaner for homes and motor vehicles
10/31/1989US4877427 Dry electrostatic precipitator
10/31/1989US4876852 Diesel internal combustion engine with an exhaust gas line system
10/19/1989DE3811746A1 Separator for particles from flue gases
10/18/1989EP0337017A1 Cartridge type electrostatic air filter
10/17/1989US4874659 Electret fiber sheet and method of producing same
10/17/1989US4874399 Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
10/11/1989EP0278539B1 Conditioning method for flue gases containing dust
10/10/1989US4873620 Voltage supply with recovery protection for a thyristor
10/10/1989US4872887 Mixing with aqueous sulfate solution yields sulfur trioxide, ammonia; then catalytic oxidation yields nitrogen and water
10/05/1989WO1989009093A1 Single field ionizing electrically stimulated filter
10/04/1989EP0335143A2 Electrostatic separator for the separation of soot particles from an exhaust stream of combustion installations, or from combustion engines
10/04/1989CN2045329U Dust collector with quasi-pulse and charged-vapour for coal transporting system
10/03/1989US4871515 Electrostatic filter
09/1989
09/26/1989US4869736 Collecting electrode panel assembly with coupling means
09/20/1989EP0332624A1 An electrostatic precipitator for use in electrofilters.
09/20/1989CN2044597U Electric depurant
09/19/1989US4867765 Self-discharge type pulse charging electrostatic precipitator
09/19/1989US4867764 Convertible air cleaner fan
09/13/1989EP0332609A2 Filter for diesel exhaust gas
09/13/1989EP0332282A2 Pleated charged media air filter
09/06/1989EP0331243A1 Process for increasing the precipitation efficiency of electrofilters
09/06/1989EP0330678A1 Insecticidal pyrazolines.
09/05/1989CA1259040A1 Dust collector with improved collecting electrodes
08/1989
08/30/1989EP0329818A2 Electrostatic filter for diesel particles
08/29/1989US4861356 Close-spaced electrostatic precipitator
08/29/1989US4861355 Ionizer diffuser air purifier
08/24/1989DE3804651A1 Device for the removal of soot constituents from the exhaust gas of internal combustion engines
08/23/1989EP0329364A1 Apparatus for treating gas
08/23/1989EP0233191B1 Circuit for regulating the high-voltage supply of an electrostatic filter
08/22/1989US4860149 Electronic precipitator control
08/16/1989EP0327799A2 Process for burning dust in an electrostatic dust separator and a dust separator for carrying out the process
08/10/1989DE3802748A1 Electrostatic filter for purificn. of air - has collector of open pored material with electrically conductive surface layer
08/09/1989EP0244431A4 Electrically stimulated filter method and apparatus.
08/09/1989CN2042379U Device for continuous-cleaning electric pole by electric steel brush
08/09/1989CN2042378U Electrostatic tar collecting apparatus
08/08/1989US4854949 Apparatus for cooking food including a ventless exhaust system
08/08/1989US4854948 Supply circuit for electrostatic dust separator
08/02/1989EP0325854A1 Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
08/01/1989US4853194 Method for treating exhaust gas
08/01/1989US4853010 Multi stage gas scrubber
08/01/1989US4853005 Electrically stimulated filter method and apparatus
07/1989
07/19/1989CN2041205U Corrugated bearing board for electric dust remover
07/18/1989US4848986 Selfsupporting-corona-discharge electrode
07/18/1989CA1257641A1 Fast-acting spark-over detector
07/12/1989CN2040809U Electric dust collector with high-frequency high-voltage generator
07/11/1989US4846857 Electric dust collector with electrode supporter therefor
07/05/1989EP0322635A1 Apparatus and method for environmental modification
07/05/1989CN2040403U Multipurpose air purifier
07/04/1989US4844723 Gas conditioning for an electrostatic precipitator
07/04/1989US4844718 Electrostatic precipitator
06/1989
06/21/1989EP0321419A2 An ionic air cleaner for homes and motor vehicles
06/21/1989EP0320625A2 Use of odorous products, especially in vacuum cleaners
06/20/1989US4840649 Adjustable buttress for use in an electrostatic precipitator
06/13/1989CA1255747A1 Fly-back bifilar secondary winding transformer power supply with a modulated pulse width voltage input
06/08/1989DE3839956A1 Electret film and process for manufacturing it
06/07/1989EP0319076A2 Process for cleaning waste water leaving a paint-spray booth
06/07/1989CN1033315A Arrangement for transporting air
06/06/1989US4835808 Probe for removing dust from moving webs
06/01/1989WO1989004724A1 Electrostatic filter for continuous separation of solid or liquid particles suspended in a gas stream
05/1989
05/31/1989EP0317634A1 Device for power supply to gas-cleaning electrofilters
05/24/1989CN2038025U Tubular electro precipitator with high voltage and wide pole distance
05/23/1989US4832710 Dust-collecting apparatus
05/23/1989CA1254521A1 Plate spacer for electrostatic precipitators
05/17/1989CN2037639U Electrical granular-layer precipitator for boilers burning inferior coal
05/10/1989EP0314811A1 Dust collecting electrode
05/09/1989US4828586 Cartridge type electronic air filter
05/09/1989US4828165 Ashtray
04/1989
04/27/1989DE3832879A1 Device for continuous electrostatic precipitation of particles suspended in a stream of gas
04/27/1989DE3735219A1 Appliance for cleaning gases, especially room air
04/26/1989EP0312687A2 Electret Filterpack
04/18/1989US4822381 Electroprecipitator with suppression of rapping reentrainment
04/13/1989DE3816245A1 Exhaust-air cleaning device
04/13/1989DE3732552A1 Device for the removal of solid particles, especially soot particles, from the exhaust gas of internal combustion engines
04/05/1989CN1032122A Device for power supply of gas-cleaning electrical precipitators
04/04/1989CA1252147A1 Control device for an electrostatic precipitator
03/1989
03/29/1989CN2034874U Power supply of high voltage electrostatic dust-remover
03/28/1989US4816979 Circuit for regulating the high-voltage supply of an electrostatic filter
03/22/1989EP0307656A2 Coagulator for an exhaust purification device of an internal-combustion engine
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