Patents
Patents for B01D 50 - Combinations of devices for separating particles from gases or vapours (13,509)
04/1994
04/13/1994CN1085302A A pressurized fluidized bed combustion boiler system
04/12/1994US5302301 Multistage liquid and gas separator
04/12/1994US5302191 Denuder for gas sampling
04/07/1994DE4233478A1 Purification of air contaminated with volatile cpds. - passes bubbles of raw air up through scrubber where impurities are e.g. oxidised and washed before being passed through absorbent polymer
04/06/1994CN2160456Y Spiral flow plate microporous cylinder type air filter
03/1994
03/30/1994EP0589174A1 A device for treating fumes generated by a dental oven
03/30/1994CN2159826Y Wet compound smoke purifier
03/29/1994US5298043 Filter system for smoke or polluted air
03/29/1994US5297893 System and method for controlling emissions created by spraying liquids from moving vehicles
03/08/1994CA1327522C Cleaning gas turbine inlet air
02/1994
02/24/1994DE4227220A1 Dry process to filter incineration or smelting particles from smoke - uses additives, infrared detectors and extinguishing system to reduce fire risk preventing or minimising damage to filters
02/23/1994EP0583770A1 Two-stage helical oil separator
02/23/1994EP0583488A1 Process for biological treatment of exhaust gases and device for carrying out the same
02/15/1994US5286268 Paint mist removing apparatus
02/08/1994US5284997 Two step filter and process
02/01/1994US5283048 Entrainer/de-entrainer apparatus including apparatus for significantly improving the efficiency of the de-entrainer
02/01/1994US5282370 Air-conditioning system accumulator and method of making same
02/01/1994CA1326697C Cyclone separator with filter assembly for pneumatic conveyor
01/1994
01/27/1994DE4224090A1 Agitated solid biological filter bed for exhaust gas purification - particularly for gases containing fine solids or carbon particles
01/26/1994EP0580005A2 Process and separation system for eliminating particles from process gases of chemical or petrochemical plants
01/26/1994CN2154119Y Fume, water film filter device
01/25/1994US5281246 Air cleaner assembly
01/20/1994DE4321659A1 Air cleaner with combined air humidifier junction
01/20/1994DE4243759C1 Wet scrubbing of gas - by pre-scrubbing and then accelerating gas prior to cyclone sepn. of clean gas
01/12/1994CN2152593Y Composite separation duster
01/12/1994CN1080566A Cyclone scrubber with static electricity-fabric filter
01/11/1994US5277705 Powder collection apparatus/method
01/05/1994EP0577046A1 Process and device for treatment of pyrotechnic material
01/05/1994EP0576783A1 Liquid separator
12/1993
12/29/1993CN2151402Y Cooker hood
12/29/1993CN1080022A Process for cleaning gas tubbine inlet air
12/28/1993CA1325607C Filter apparatus
12/22/1993CN2150196Y 氢气净化器 Hydrogen Purifier
12/21/1993US5271751 Device for removing dust from a machine
12/21/1993US5271750 Air filtration system with safety after-filter
12/21/1993US5271245 Two-stage helical oil separator
12/21/1993CA1325387C Process and installation for the treatment of a stream of gas containing pyrophoric dust
12/15/1993EP0344283B1 Scrubber
12/01/1993CN1078919A In-line filter device for compressed air
11/1993
11/30/1993US5266089 Multi-positionable fluid trap
11/25/1993WO1993023146A1 Filter system for compressed air
11/25/1993WO1993023145A1 Filter system for smoke or polluted air
11/25/1993CA2136221A1 Filter system for smoke or polluted air
11/24/1993EP0570656A1 Filtering assembly for filtering the air coming from hoods mounted in kitchens or conveyed to air processing systems
11/23/1993US5264026 Centralized laser plume evacuation system through articulating arms
11/17/1993CN2146298Y High-efficient dust remover
11/11/1993DE4221343C1 Pyrotechnic material disposal - by controlled combustion and waste gas cleaning
11/10/1993CN1078169A Safety filtration equipment
11/09/1993US5259854 Disposable HEPA filtration device
11/09/1993CA1324090C Method and apparatus for treating process gases
11/03/1993CN2145063Y Secondary rotary-filter dust remover
11/03/1993CN1077907A Dust collector in which dust carrying air vortically flows
10/1993
10/28/1993WO1993020924A1 Device for the uniform distribution of a two-phase stream
10/27/1993CN2144533Y 湿法袋式除尘器 Wet baghouse
10/26/1993US5256201 Powder spray coating system
10/21/1993DE4212769A1 Vorrichtung zur gleichmäßigen Verteilung einer Zweiphasenströmung Device for uniform distribution of a two-phase flow
10/21/1993DE4212711A1 Two=stage paint spray cabin effluent cleaner - has particle separator and fine spray water separator
10/21/1993DE4212344A1 Gas scrubbing and filtering plant - utilised esp. for treating smokehouse waste gases
10/20/1993CN2144017Y Cyclone desulfurizing duster with grills
10/14/1993DE4311439A1 Tapered combined gas filter and conditioning screen - e.g. for a ventilation system providing humidification and dehumidification
10/14/1993DE4211928A1 Dust sepn. from an air stream - is used to preliminarily settle coarse particulates followed by filtration e.g. for shoe buffing or grinding machines
10/14/1993DE4211465A1 Dry sepn. recovery and processing of vapour - incident in paint spraying operations and drawn from sticky point particles in the exhausted effluent air
10/13/1993EP0564992A2 Filter device
10/12/1993CA1322974C Inverse flow depth filter assembly
10/07/1993DE4220850C1 Motor exhaust gas cleaning - has washer to separate solids with evaporator to condense water and dry particles for collection
10/06/1993CN2143135Y Dust removing air conditioner
10/05/1993US5250267 Desulfurization of flue gas
09/1993
09/28/1993CA1322537C Multi-stage gas-entrained liquid separator
09/22/1993CN2142363Y Wet purifier
09/16/1993WO1993018348A1 Fume purification system
09/16/1993WO1993018226A1 Combined ozone destruction and fiber scrubbing in paper pulp mills
09/16/1993CA2107764A1 Combined ozone destruction and fiber scrubbing in paper pulp mills
09/15/1993CN2142041Y Combined cyclone separating filter
09/08/1993CN1075898A An apparatus for filtering solid particles from a fluid
09/07/1993CA1321947C Gas stream filtering apparatus and method
09/06/1993CA2062339A1 Fume purification system
09/01/1993EP0558091A1 Filtration apparatus
08/1993
08/31/1993CA1321762C Filter for the separation of oily fumes
08/25/1993EP0556626A1 Device to separate the dust from dusty air sucked from a machine tool
08/25/1993CN2140780Y Device for treatment of gas
08/19/1993WO1993015645A1 Air filtering system
08/19/1993DE4204580A1 Gas sample prepn. appts. - used esp. for drying chimney gas sample for gas analysis
08/17/1993US5236479 Cyclone separator
08/12/1993DE4203385A1 Use of unchanged, emulsified or modified vegetable oil - for cleaning gas mixt. contg. solvent vapour, odorous substance or other harmful substances
08/11/1993EP0554886A2 A filtering method of flue gas of a boiler and a filter apparatus for hot gas
08/11/1993CN1075100A Water-resistance fan-blade smoke-removing apparatus
08/10/1993US5234739 Polytetrafluoroethylene porous film and preparation and use thereof
08/10/1993CA1321136C Gas scrubbing apparatus and process
08/05/1993WO1993014860A1 Separation device and process
07/1993
07/27/1993US5230722 Vacuum filter
07/22/1993DE4201033A1 Aerosol sepn. from gas esp. hydrogen@ or oxygen@ stream from water electrolysis - in which supply pipe is surrounded by tube which forms bubble column space and separates space from scrubbing liq. outlet region
07/21/1993EP0551951A1 An apparatus for filtering solid particles from a fluid
07/21/1993CN2138520Y Purifier for lead smoke
07/14/1993EP0551162A2 Ultrasonic wave generator and floating or suspended particle collecting apparatus using the same
07/10/1993CA2086951A1 Ultrasonic wave generator and floating or suspended particle collecting apparatus using the same
07/08/1993WO1993012705A1 Vacuum cleaner
06/1993
06/30/1993EP0496837A4 Separator for a vacuum cleaner system
06/30/1993EP0327532B1 Filtering apparatus
06/29/1993US5223119 Containing gases over electroplating bath, evacuating into water scrubbing bath, passing through mist separator and submicron filter, discharging
06/29/1993US5223005 Dust and fume collector