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| Number | Title | Issue Date |
| 4970770 | Method of making a coated heat exchanger with tubes and fins The invention relates to a heat-exchanger (10) incorporating circulation tubes (16) for conducting a first heat-transfer medium, end plates (12), and surface-enlarging plate-like fins (14) secured to the outer peripheral surfaces of the circulation tubes ... | 11/20/1990 |
| 4941896 | Method and apparatus for cleansing gases A gas cleansing arrangement comprising a vessel (1) partially filled with liquid (32) and a gas distribution means (14) beneath the liquid surface (34). The gas distribution means (14) comprises obliquely and downwardly extending distribution pipes (26) w... | 07/17/1990 |
| 4936878 | Method for cleansing gas and apparatus herefor Method for cleansing gas from solid, liquid and/or gaseous contaminants, by bubbling the gas through a liquid bath (32), and by introducing the incoming gas into a distribution means (14) and causing the gas to pass in part-streams through a multiple of i... | 06/26/1990 |
| 4824032 | Method and an arrangement for mixing a dry material with a liquid The invention relates to a method and an arrangement for mixing a dry or substantially dry powder material (2) with a liquid to form a slurry (4), while using a vessel (7) which contains the liquid and which is provided with agitating means (5), and in wh... | 04/25/1989 |
| 4799318 | Arrangement in the drying section of a paper machine The present invention relates to an arrangement in the drying section of a paper machine, preferably the drying section of a cylinder drying machine, for enabling the shrinkage and stretch, of a paper web to be controlled transversely to the direction of ... | 01/24/1989 |
| 4795566 | Method for cleansing a contaminated medium in a contact reactor The invention relates to a method and an arrangement for enabling a contaminated medium to be cleansed in a contact reactor by introducing thereinto a pulverulent absorption material capable of reacting with contaminants in the medium, the medium and the ... | 01/03/1989 |
| 4790692 | Arrangement for transporting disintegrated particulate solids The invention relates to an arrangement for transporting disintegrated solid particles, in which the particles are transported by a quantity of air placed under an over pressure. The weight ratio of the particle/aix mixture lies within a range at which pa... | 12/13/1988 |
| 4780804 | Method and an arrangement for enabling the magnetizing current passing through a transformer to be minimized when an asymmetric load is applied to the secondary side of the transformer The invention relates to a method and to an arrangement for controlling the respective conduction times of two directionally opposed electrical devices (9,10) which are mutually connected in parallel and permit current to pass therethrough solely in one d... | 10/25/1988 |
| 4764188 | Electrostatic precipitator The present invention relates to an electrostatic precipitator (2) which comprises mutually adjacent discharge electrodes (3a) and collecting electrodes (4a), and a voltage source which delivers to the electrodes a d.c. current of high voltage so as to ge... | 08/16/1988 |
| 4750552 | Arrangement in a unit having a heat-exchange function An arrangement in a heat-exchange unit comprising heat-emitting or heat-absorbing means which are exposable to an incoming medium flow entering the unit and which are effective to change the energy content of incoming medium flow to form an exiting medium... | 06/14/1988 |
| 4750916 | Method and arrangement for cleansing a flow of hot contaminated gas The invention relates to a method and an arrangement for cleansing a flow of hot contaminated gas (1), in which the contaminants comprise both dust particles and gaseous condensable contaminants. The gas is cooled in a heat exchanger in a first stage (2) ... | 06/14/1988 |
| 4719708 | Arrangement in material drying systems The invention relates to an arrangement in drying sections intended for drying web material (2) which is arranged for movement through the drying section while supported by a plurality of air streams which impinge on the undersurface of the web and which ... | 01/19/1988 |
| 4712277 | Method and apparatus for producing a continuous web A method and apparatus for producing a continuous web of material (36) on an endless belt (24). Fibers suspended in a carrier gas are transported from a transport conduit (12) through a transition part (38) of zig-zag configuration, having cross-section w... | 12/15/1987 |
| 4710208 | Suspendable modular frame arrangement for clean room ceilings having a fluid seal A modular frame arrangement suspendable from the ceiling of a room is proposed for receiving filters having fluid seals for clean room ceilings, which consists of structural rails having U-section channels for receiving the fluid, the rails being provided... | 12/01/1987 |
| 4690333 | Media mixing nozzle assembly The invention relates to a media mixing nozzle assembly (10'), intended for use in a contact reactor to enable a first medium (A) to be mixed with a second medium (B), where the mixed medium is to be used for cleansing a contaminated medium fed to the con... | 09/01/1987 |
| 4674718 | Method and apparatus for keeping railway switches free from snow In a method of preventing snow from bedding into railway switches, air is blown into the area between the stock rail and the movable rail in a switch, and substantially horizontally in a direction obliquely outwards towards the open end between the stock ... | 06/23/1987 |
| 4673417 | Rigid discharge electrode A rigid discharge electrode (2) intended for use in an electrostatic precipitator which, in addition to the discharge electrode, also includes one or more collector electrodes. A voltage source is provided for supplying energy to the discharge and collect... | 06/16/1987 |
| 4671808 | Arrangement for supporting a plurality of discharge electrodes, and a discharge electrode suited to the arrangement An electrode holding arrangement (11,12,13,14,15) forming part of an electrostatic percipitator and intended for supporting a plurality of discharge electrodes (2). In addition to the discharge electrodes (2) the precipitator also incorporates one or more... | 06/09/1987 |
| 4666402 | Method and apparatus for preheating scrap in a bucket A method and a device for scrap preheating by means of hot steel furnace exhaust gases. A scrap bucket permits passage of gaseous medium therethrough and is closed by a cover with an exterior waterseal by providing an intermediate annular space having a c... | 05/19/1987 |
| 4666475 | Discharge electrode The invention relates to a discharge electrode (30) produced from metal sheet and intended for use in an electrostatic dust precipitator which in addition to incorporating the discharge electrode also incorporates one or more collector electrodes. A volta... | 05/19/1987 |
| 4505053 | Drying plant for a material web The invention relates to a plant for drying a material web. Such plant includes a plurality of upper (3) and lower blow boxes arranged substantially mutually parallel and at right angles to the travelling direction of the web. The lower boxes are intended... | 03/19/1985 |
| 4467950 | Arrangement for pulling the tail of a web-like material through a drying or cooling plant The invention relates to an arrangement for pulling the tail of a web-like material through a drying or cooling plant. In such a plant the web-like material is floated on air at a given distance from a surface provided with air delivery orifices. The web-... | 08/28/1984 |
