Abstract: A turbopump includes a turbine fed with hot gas, a pump driven by the turbine and fed with liquid fluid, and a hot gas exhaust pipe situated downstream from the turbine. The turbopump includes a bleed-and-injection circuit including a bleeder for bleeding the liquid fluid at the outlet from the pump, a heater for heating the liquid fluid as bled off in this way so as to transform it into gaseous fluid, and an injector for injecting the gaseous fluid into an interface region of the turbopump situated between the pump and the turbine, so as to optimize the flow and temperature conditions of the fluid entering into the turbine cavity in order to eliminate the vibratory phenomena that result from interaction between the fluid and the turbine disk.

Abstract: The invention relates to novel nitrogen compounds belonging to the family of tertiary diamines of general formula (I) below, wherein R is an alkanediyl radical —(CH2)n— with n=2, 3, 4, 5 or 6. The compound according to the invention is for example N,N,N?,N?-(tetramethyl)-1,6-diamino-2,5-hexanediol or N,N,N?,N?-(tetramethyl)-1,8-diamino-2,7-octanediol. The invention also relates to the method for preparing them and to their use for removing acid compounds contained in a gaseous effluent.

Abstract: The invention relates to a new bicyclic lipolantipeptide, representing a new class of lantipeptide, and salts thereof, their preparation from a culture of a Microbacterium arborescens, and their use as antimicrobial agent in the prevention and treatment of infections in humans, animals or plants.

Abstract: The present invention relates to the use of a bacterium of the genus Microbacterium for the production of a compound endowed with antibacterial activity.

Abstract: The invention relates to an absorbent solution for absorbing acid compounds, such as hydrogen sulfide and carbon dioxide, in a gaseous effluent, containing water and a mixture of amines comprising 1,2-bis-(2-dimethylaminoethoxy)-ethane and 2-[2-(2-dimethylaminoethoxy)-ethoxy]-ethanol, of respective formulas (I) and (II) below, and to a method of removing acid compounds contained in a gaseous effluent using this solution.

Abstract: An absorbent solution is provided for removing acid compounds contained in a gaseous effluent and a method of removing acid compounds contained in a gaseous effluent contacts the gaseous effluent with the absorbent solution. The absorbent solution includes at least one of the following two nitrogen compounds belonging to the family of tertiary diamines: 1-dimethylamino-3-(2-dimethylaminoethoxy)-2-propanol 1,1?-oxybis[3-(dimethylamino)-2-propanol] and water.

Abstract: The invention relates to a method of selectively removing hydrogen sulfide H2S from a gaseous effluent comprising at least H2S and CO2, wherein a stage of selective absorption of hydrogen sulfide over CO2 is carried out by contacting said effluent with a solution comprising (a) water and (b) at least the following diamine: 1,2-bis(2-dimethylaminoethoxy)ethane and wherein the absorption selectivity is controlled by adding (c) a viscosifying compound to the absorbent solution.

Abstract: The invention relates to an absorbent solution for absorbing acid compounds, such as hydrogen sulfide and carbon dioxide, in a gaseous effluent, containing water and a mixture of amines comprising 1,2-bis-(2-dimethylaminoethoxy)-ethane and 2-[2-(2-dimethylaminoethoxy)-ethoxy]-ethanol, of respective formulas (I) and (II) below, and to a method of removing acid compounds contained in a gaseous effluent using this solution.

Abstract: The invention relates to an absorbent solution and to a method of removing acid compounds contained in a gaseous effluent, comprising water and at least one of the following two nitrogen compounds belonging to the family of tertiary diamines: 1-dimethylamino-3-(2-dimethylaminoethoxy)-2-propanol 1,1?-oxybis[3-(dimethylamino)-2-propanol]

Abstract: The invention relates to novel nitrogen compounds belonging to the family of tertiary diamines of general formula (I) below, wherein R is an alkanediyl radical —(CH2)n- with n=2, 3, 4, 5 or 6. The compound according to the invention is for example N,N,N?,N?-(tetramethyl)-1,6-diamino-2,5-hexanediol or N,N,N?,N?-(tetramethyl)-1,8-diamino-2,7-octanediol. The invention also relates to the method for preparing them and to their use for removing acid compounds contained in a gaseous effluent.

Abstract: A holding system (101, 102, 103) for holding at least one pipe, comprising a comb including a bar and parallel teeth perpendicular to the bar. A blocking device (30) consisting essentially of a pin, serves to prevent a pipe passing between two of the teeth from moving away from the bar. The holding system further comprises two supports (40A, 40B), positioned at the ends of the comb, and which hold the comb so as to allow rotation thereof around the axis of the bar. A method for mounting a heat exchanger (100) comprising such a holding system.

Abstract: The invention relates to a device (1) for measuring a liquid level, comprising a body (2, 8), a sensitive element arranged in the body (2,) and a connector (3) connected to the sensitive element by an electrical connection, said device comprising connection means (4) arranged in the connector, cooperating with a complementary shape (5) arranged in the body of the device, and ensuring the electrical connection, and comprising guiding means (6, 7).

Abstract: Device (1) for measuring a liquid level, comprising: —a body (2) extending along a longitudinal axis (X) and having at least one open portion (5) in which at least one aperture (A) is formed in the wall of the body (2), —a loop (10) of electric wire positioned at least in the open portion (5) so that it can be in contact with the liquid and run substantially parallel to the longitudinal axis (X) of the body (2), —an electric power supply circuit (15, 16) for powering the loop of wire arranged in the body, the circuit comprising two end fittings (16) positioned in the open portion (5), each end fitting (16) being connected to one of the open ends (11) of the loop (10), the end fittings (16) being arranged in an offset manner along the longitudinal axis (X) of the body (2).

Abstract: A fastening method for fastening a tube (50) to a connector (101, 102), the method comprising the following steps: a) providing a connection kit comprising a sleeve, and a coupling for connecting together at least one pair of tubes, of generally tubular shape; b) placing the coupling in a first position in which the first end of the coupling projects outside the sleeve through a first end (10A) thereof; c) then fastening the first tube in leaktight manner to the first orifice; d) moving the coupling relative to the sleeve into a second position in which the first orifice lies inside the sleeve; and e) with the coupling in the second position, fastening the sleeve (10) at a sufficient distance from the coupling (20). A connection kit for performing the method.

Abstract: A metal obturating element is capable of being resistance-welded to the outer side of an edge of a hole of a metal wall of a pressurized gas reservoir of a gas generator, including on a first side, a portion dimensioned for covering the hole and having an end intended to be inserted into the hole, and a portion for connecting the portion to the peripheral edge, having a surface tilted rearwards relatively to the end and around the portion, this surface intended to be welded to the outer side of the edge of the hole. The element is formed with a deep-drawn part. The tilted surface forms around the central portion an angle greater than or equal to 50° and less than or equal to 80° relatively to the axis. The part includes in a second side located opposite to the first side another surface tilted rearwards relatively to the end and this by at least one angle greater than or equal to 10° and less than or equal to 80° relatively to the axis.

Abstract: The absorbent solution for removing acidic compounds contained in a gas effluent comprises water and at least one amine that is selected from among tertiary monoalkanolamines that contain an etheric function and belong to the 3-alcoxypropylamine family having general formula (A). The method for removing the acidic compounds contained in a gas effluent involves placing a gas effluent 1 into the column C1 together with the absorbent solution 4.

Abstract: The method for eliminating acidic compounds contained in a gaseous effluent consists of placing into contact, in column C1, a gaseous effluent 1 with an absorbent solution 4 comprising an aqueous solution of one or a plurality of dihydroxyalkylamines having one of the formulas (I) and (II).

Abstract: The damping device (10) according to the invention is designed to damp a shock in a longitudinal direction (X). It includes a central pad (12), designed to be secured with a first member (14A) of the coupling device (14), and two side wings (18), each formed by a thin plate extending in the longitudinal direction (X). Each side wing (18) includes at least one first longitudinal region (20), secured to the central pad (12), at least one second longitudinal region (22), designed to be secured with a railroad vehicle, and at least one line of least resistance (24), separating the first (20) and second (22) longitudinal regions from each other, extending over the side wing (18) in the longitudinal direction (X).

Abstract: The method of removing acid compounds contained in a gaseous effluent consists in contacting in column C1 a gaseous effluent with an absorbent solution 4 made up of an aqueous solution of one or more diamines belonging to the bis(amino-3-propyl)ether or (amino-2-ethyl)-(amino-3-propyl)ether family.

Abstract: A turbopump includes a turbine fed with hot gas, a pump driven by the turbine and fed with liquid fluid, and a hot gas exhaust pipe situated downstream from the turbine. The turbopump includes a bleed-and-injection circuit including a bleeder for bleeding the liquid fluid at the outlet from the pump, a heater for heating the liquid fluid as bled off in this way so as to transform it into gaseous fluid, and an injector for injecting the gaseous fluid into an interface region of the turbopump situated between the pump and the turbine, so as to optimize the flow and temperature conditions of the fluid entering into the turbine cavity in order to eliminate the vibratory phenomena that result from interaction between the fluid and the turbine disk.