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| Number | Title | Issue Date |
| 4534778 | Installation for injecting a powdery material, particularly an adsorbent material, into a contact column The invention provides an installation for injecting a powdery material, particularly an adsorbent material, into a contact column--as a rule vertical--through which flows a stream of gas, more especially gas laden with polluting effluents which it is des... | 08/13/1985 |
| 4499329 | Thermoelectric installation Thermoelectric installation of the "heat pump" type, in which the thermoelements 1 and the exchangers 2 and 3 are stacked to form columns, these assembled to form a rack. The rows of exchangers 2 and 3 demarcate two conduits for the circulation of a hot f... | 02/12/1985 |
| 4484889 | Installations for processing a product in a gas medium The installation comprises a blowing chamber (1) in which takes place the heat treatment of the product (2) and a recovery chamber (5) surrounding this blowing chamber (1). One at least of the two horizontal walls of the recovery chamber (5) is formed so ... | 11/27/1984 |
| 4420940 | Thermo-electric installations A thermo-electric installation comprising a first network of hot tubes extending between two ends disposed in parallel relation and in which flows a hot fluid, a second network of cold tubes, extending between two ends, disposed in parallel relation and i... | 12/20/1983 |
| 4299602 | Device for washing a polluted gas and installation equipped with such a device A washing device is provided which comprises at least one inclined wall or floor defining at least one orifice therein, means for causing a washing liquid to flow over the upper side of this wall, means for causing the polluted gas to flow from top to bot... | 11/10/1981 |
| 4297849 | Heat exchangers for thermo-electric installations comprising thermo-elements A heat exchanger for a thermo-electric installation, comprising thermo-elements mounted between a hot wall and a cold wall, including, on the one hand, two base plates each forming or supporting a hot or cold wall and, on the other hand, a plurality of he... | 11/03/1981 |
| 4292053 | Declogging process for filtration installation and improved filtration installation The invention relates to filtration apparatus and to a process for a filtration installation comprising several filtration cells equipped with at least one filtering element through which passes a current of dust-laden gas, this process consisting in isol... | 09/29/1981 |
| 4284419 | Declogging process for filtration installation and improved filtration installation The invention relates to an apparatus and a declogging process for filtration installation for dust-laden gases presenting reducing properties, consisting in taking dust-free gas at the outlet of the filtration installation, oxidizing this gas and using t... | 08/18/1981 |
| 4283223 | Process for treating smoke from steel plants A process for treating smoke from steel plants coming from blast furnaces, electric furnaces, converters and cupola furnaces. The process of the invention consists first of all in separating, when hot, the iron and iron oxide dust from the smoke by contact wit... | 08/11/1981 |
| 4269112 | Enclosures for the treatment of workpieces The invention relates to a ventilated enclosure for the treatment of workpieces, particularly an elongated enclosure for painting workpieces, comprising a treatment space situated between a ceiling through which the supply of new air takes place and a flo... | 05/26/1981 |
| 4260335 | Process for the compression of steam and thermal circuits for its implementation A process for the compression of steam, particularly very low pressure saturated steam; and thermal circuits for its implementation. For the compression of the steam there is used at least one liquid ring compressor using water as compression agent. Principal ... | 04/07/1981 |
| 4245784 | Method and apparatus for providing electrostatically charged airless, round spray with auxiliary gas vortex Method and apparatus for providing an electrostatically charged, airless, round vortex spray of liquid in which spray pattern irregularities may be eliminated. In addition to a central nozzle for forming the round vortex spray there is provided an annular... | 01/20/1981 |
| 4230468 | Dust separator with declogging device A dust separator which has an inlet enclosure having an inlet for dust-laden gas, an outlet enclosure having side walls and connected to a pipe for discharging the dust-freed gas, a separating wall separating the inlet and outlet enclosures, several elong... | 10/28/1980 |
| 4214708 | Electrostatic paint spray apparatus having rotary spray head with an air seal Electrostatic paint spray apparatus having rotary spray head with an air seal. To prevent paint or solvent from entering antifriction bearings, the shaft rotating at high speed is provided with an air seal in an intermediate zone between the bearings and ... | 07/29/1980 |
| 4204340 | Installation for treating a product in a gaseous medium According to the invention, the installation for treating a product in a gaseous medium, particularly a heat treatment or drying installation, comprises at least one blowing box provided with at least one blowing wall opposite which is located the product... | 05/27/1980 |
| 4185783 | Powder feed device for powder dispensing apparatus A powder feed device for supplying a powder dispensing apparatus such as a powder spray gun of an electrostatic powder deposition system. Entrained powder is extracted from a fluidization tank and transported through a half-inch diameter tube or hose to t... | 01/29/1980 |
| 4182980 | Method and apparatus for controlling automatic equipment for spraying coating products Method and apparatus for controlling variations in position of automatic equipment for spraying coating products, such as, for example, automatic sprayers of paints, enamels, fibres, etc., mounted on reciprocators which give them a to-and-fro movement. Th... | 01/08/1980 |
| 4163520 | Electrostatic liquid spraying nozzle An air-assisted electrostatic round-spray nozzle for liquids, wherein, except for the charging electrode(s), the diffuser, as also the whole of the outer part of the nozzle, is made of electrically insulating material, and whereon the said electrode(s) is... | 08/07/1979 |
| 4145898 | Installation for the treatment of a fabric impregnated with a liquefied gas This installation for the treatment of a fabric impregnated with a liquefied gas comprises a treatment tank containing a treating bath, means for conveying the fabric through the treating bath, means for heating the treating bath over all or part of the p... | 03/27/1979 |
| 4122611 | Apparatus for the continuous thermal treatment of a product moving through an enclosed space An apparatus for the continuous thermal treatment of a product within an atmosphere made up of steam (saturated or superheated) of pure water or of a mixture of air and water vapor is disclosed. The product moves through an enclosed or confined space for ... | 10/31/1978 |
| 4102303 | Process and paint spray booth using a washing liquid and reuse thereof The invention relates to the continuous treatment of a washing liquid for a gas laden with particles. The particle-laden liquid after washing is recycled and used again in admixture with clean liquid.... | 07/25/1978 |
| 4090001 | Compositions for denaturing paints, especially for cleaning painting cabins The composition contains an alkaline agent and a polyether of the formula ##STR1## in which R is an alkyl, aryl-alkyl, aryl or alkyl-aryl group; and n and p are integers, of which one can be 0, the sum n + p being at least equal to 12. The compositio... | 05/16/1978 |
| 4072484 | Bag filter A filter bag for a filter system, comprising a number of parallel channels embodied by interconnecting, along parallel assembly lines distributed over pocket length, two opposite side walls of the pockets. The side walls meet at the open end of the pocket... | 02/07/1978 |
| 4056234 | Metering device for a powdery material At the outlet of the duct for the powdery material is provided a movable diaphragm where orifice is adapted to engage a clearing fixed pin when the flow rate of said material reaches a predetermined low threshold. Said diaphragm is controlled by clearance... | 11/01/1977 |
| 4038831 | Thermoelectric installations The invention relates to a thermoelectric installation, in particular to a heat pump. This installation includes thermoelements mounted between thermal exchange walls belonging to hot exchangers through which a hot fluid circulates and cold exchangers thr... | 08/02/1977 |
| 4039062 | Flow divider for a powdery material Flow divider for a powdery material, comprising a vertical duct supplied with said material. A knife with a separating upper edge is provided at the outlet of said duct to divide the inflow of said material into two outflows. At least one straight air pas... | 08/02/1977 |
