| Patent Number |
Title Of Patent |
Date Issued |
| 4534778 |
Installation for injecting a powdery material, particularly an adsorbent material, into a contac |
August 13, 1985 |
| 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 desired to fix on said material, thi |
| 4499329 |
Thermoelectric installation |
February 12, 1985 |
| 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 fluid and a cold fluid. These condu |
| 4484889 |
Installations for processing a product in a gas medium |
November 27, 1984 |
| 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 as to present, on the outside, a |
| 4420940 |
Thermo-electric installations |
December 20, 1983 |
| 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 in a plane parallel to the plane |
| 4299602 |
Device for washing a polluted gas and installation equipped with such a device |
November 10, 1981 |
| 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 bottom of the device, at least one |
| 4297849 |
Heat exchangers for thermo-electric installations comprising thermo-elements |
November 3, 1981 |
| 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 heat exchange surfaces extendin |
| 4292053 |
Declogging process for filtration installation and improved filtration installation |
September 29, 1981 |
| 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 isolating the filtration cell to |
| 4284419 |
Declogging process for filtration installation and improved filtration installation |
August 18, 1981 |
| 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 the gaseous mixture resulting |
| 4283223 |
Process for treating smoke from steel plants |
August 11, 1981 |
| 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 with solid particles, then in co |
| 4269112 |
Enclosures for the treatment of workpieces |
May 26, 1981 |
| 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 floor, said ceiling comprising, |
| 4260335 |
Process for the compression of steam and thermal circuits for its implementation |
April 7, 1981 |
| 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 applications: drying enclosures an |
| 4253246 |
Installations for the treatment of strip material in a gaseous medium |
March 3, 1981 |
| The invention relates to installations for the treatment in a gaseous medium of a strip material passing over rollers (6).Each roller (6) is driven in rotation by an endless belt (10) serving also for the embarkment of the strip, this endless belt passing over drive pulleys (15) which dr |
| 4245784 |
Method and apparatus for providing electrostatically charged airless, round spray with auxiliary |
January 20, 1981 |
| 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 nozzle for forming an auxiliary |
| 4230468 |
Dust separator with declogging device |
October 28, 1980 |
| 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 elongated filtering elements disposed |
| 4214708 |
Electrostatic paint spray apparatus having rotary spray head with an air seal |
July 29, 1980 |
| 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 the spray head. Air from a so |
| 4213771 |
Filter and method of making |
July 22, 1980 |
| A pocket filter in the form of a filtering block is provided with an assembly of channels open at one end to receive gas from which dust is to be removed, and is interleaved with the channels of another assembly open towards the other end and delivering the gas from which the dust has be |
| 4204340 |
Installation for treating a product in a gaseous medium |
May 27, 1980 |
| 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 to be treated, this blowing wall |
| 4185783 |
Powder feed device for powder dispensing apparatus |
January 29, 1980 |
| 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 the dispensing apparatus. To preve |
| 4182980 |
Method and apparatus for controlling automatic equipment for spraying coating products |
January 8, 1980 |
| 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. The carriage carrying the sprayer a |
| 4163520 |
Electrostatic liquid spraying nozzle |
August 7, 1979 |
| 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/are formed by one or more points |
| 4145898 |
Installation for the treatment of a fabric impregnated with a liquefied gas |
March 27, 1979 |
| 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 path of travel of the fabric and a |
| 4122611 |
Apparatus for the continuous thermal treatment of a product moving through an enclosed space |
October 31, 1978 |
| 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 its thermal treatment by the stea |
| 4102303 |
Process and paint spray booth using a washing liquid and reuse thereof |
July 25, 1978 |
| 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. |
| 4090001 |
Compositions for denaturing paints, especially for cleaning painting cabins |
May 16, 1978 |
| 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 composition is especially applicable to pain |
| 4072484 |
Bag filter |
February 7, 1978 |
| 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; a frame is introduced into each |
| 4056234 |
Metering device for a powdery material |
November 1, 1977 |
| 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 actuating means comprising a |
| 4039062 |
Flow divider for a powdery material |
August 2, 1977 |
| 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 passage is provided, lateral with |
| 4038831 |
Thermoelectric installations |
August 2, 1977 |
| 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 through which a cold fluid circulates |
| 3951340 |
Electrostatic powder projection system and method |
April 20, 1976 |
| In an installation for the electrostatic projection of powders for coating objects, a method of improving the efficiency of projection and deposit of the said powders consists of increasing the relative humidity of the projection gas in the immediate vicinity of the projection nozzle by |
