mhurhangee/ep-ind-claims huggingface dataset:
A feed device for feeding a thrust chamber of a rocket engine with at least one first propellant and at least one second propellant, the device comprising: • at least one first tank for containing the first propellant; • at least one second tank for containing the second propellant; • at least one first feed circuit for feeding the thrust chamber and connected to the first tank; and • at least one second feed circuit for feeding the thrust chamber and connected to the second tank; said feed device being characterized in that said first feed circuit includes at least one turbopump with at least one pump for pumping the first propellant from the first tank and at least one turbine mechanically coupled to said pump, said first feed circuit connecting an outlet of the pump with an inlet of the turbine of the turbopump via a heat exchanger configured to heat the first propellant with heat generated by the thrust chamber in order to actuate the turbine of the turbopump by expansion of the first propellant after being heated, and in that said second feed circuit is configured to feed the thrust chamber via an inlet valve with second propellant from the second tank that is configured to be pressurized to a pressure higher than the pressure that exists in the thrust chamber in order to feed the said thrust chamber, in that said inlet valve of the second feed circuit is an adjustable valve that serves to adjust the flow rate and thus the quantity of second propellant feeding the thrust chamber, and in that the first feed circuit includes a booster pump coupled to a turbine that is suitable for being actuated by the expansion of a pressurized gas, said booster pump being situated downstream from the first tank and upstream from the pump of the turbopump. • at least one first tank for containing the first propellant; • at least one second tank for containing the second propellant; • at least one first feed circuit for feeding the thrust chamber and connected to the first tank; and • at least one second feed circuit for feeding the thrust chamber and connected to the second tank;
A system for heating a conductive liquid, comprising: a base unit; and a plurality of containers, wherein: said base unit includes an electric current controller that is connected to provide an automatic control function over operation of each said container, each said container includes a plurality of electrodes, characterised in that: the conductive liquid is heated in each said container independently of any other container being connected when said container holds the conductive liquid, and said electric current controller is configured to reduce power provided to one of said containers by disconnecting electrical connection to one of said plurality of electrodes in said container if current passing through said conductive liquid exceeds a threshold. a base unit; and a plurality of containers, wherein: said base unit includes an electric current controller that is connected to provide an automatic control function over operation of each said container, each said container includes a plurality of electrodes, characterised in that: the conductive liquid is heated in each said container independently of any other container being connected when said container holds the conductive liquid, and said electric current controller is configured to reduce power provided to one of said containers by disconnecting electrical connection to one of said plurality of electrodes in said container if current passing through said conductive liquid exceeds a threshold. said base unit includes an electric current controller that is connected to provide an automatic control function over operation of each said container, each said container includes a plurality of electrodes, characterised in that: the conductive liquid is heated in each said container independently of any other container being connected when said container holds the conductive liquid, and said electric current controller is configured to reduce power provided to one of said containers by disconnecting electrical connection to one of said plurality of electrodes in said container if current passing through said conductive liquid exceeds a threshold. the conductive liquid is heated in each said container independently of any other container being connected when said container holds the conductive liquid, and said electric current controller is configured to reduce power provided to one of said containers by disconnecting electrical connection to one of said plurality of electrodes in said container if current passing through said conductive liquid exceeds a threshold.
Ceramic having a phase composition comprising, based on the total weight of the ceramic: (a) 50 wt.-% to 60 wt.-% cordierite; (b) 20 wt.-% to 40 wt.-% mullite; (c) andalusite and/or corundum in a combined amount of 1 wt.-% or more; wherein the combined amount of the mullite and andalusite and corundum in the ceramic is 23 wt.-% or more. (a) 50 wt.-% to 60 wt.-% cordierite; (b) 20 wt.-% to 40 wt.-% mullite; (c) andalusite and/or corundum in a combined amount of 1 wt.-% or more;
A heat exchanger element intended for a central heating boiler, which heat exchanger element is designed as a monocasting from substantially aluminum and is manufactured by means of a low pressure casting process, for instance sand casting or die-casting, the heat exchanger element being provided with walls (2, 9) which bound a water-carrying channel, and with at least one wall which bounds at least one flue gas draft to which a burner is connectable, at least one wall which bounds the at least one flue gas draft being water-cooled in that it also forms a boundary of the water-carrying channel, while a said at least one water-cooled wall is provided with heat exchanging surface enlarging pins and/or fins which extend in the respective flue gas draft, characterized in that the cross-sectional surface of said pins and/or fins is smaller than 25 mm 2, wherein the length of said pins and/or fins is 15 mm or less, wherein the distance between two opposite walls, which bear the pins and/or fins and bound a flue gas draft, is smaller than 35 mm, at least in a downstream portion of the respective flue gas draft.
Oven comprising: - at least one chamber (A, B) and at least one heater per chamber to heat a gas which cooks, dries and/or roasts a product, - at least one gas circulation means per chamber, which establishes a gas circulation in the chamber (A, B), - endless conveyor means for transporting products from an inlet through the chamber (A, B) to the outlet, wherein the conveyor means are at least partially arranged in a helical path, - preferably separation means to separate a first and a second chamber (A, B), wherein the conveyor means pass through the separation means, - gaseous natural smoke supply which supplies gaseous smoke to the at least one of the chamber (A, B), wherein the smoke supply is provided upstream from the circulation means, wherein the oven comprises a collector/distributor, that collects and/or distributes the circulating gas in the chamber (A, B), characterized in that, a pipe (5.1 - 5.7) extends from the gaseous natural smoke supply into a drum and/or the distributor and supplies the smoke to the inside of the drum and/or collector/distributor and wherein the distance between the end of the pipe (5.1 - 5.7) and the inlet of the circulation means is adjustable. - at least one chamber (A, B) and at least one heater per chamber to heat a gas which cooks, dries and/or roasts a product, - at least one gas circulation means per chamber, which establishes a gas circulation in the chamber (A, B), - endless conveyor means for transporting products from an inlet through the chamber (A, B) to the outlet, wherein the conveyor means are at least partially arranged in a helical path, - preferably separation means to separate a first and a second chamber (A, B), wherein the conveyor means pass through the separation means, - gaseous natural smoke supply which supplies gaseous smoke to the at least one of the chamber (A, B),
A method for obtaining an antimicrobial aqueous formulation containing quaternary ammonium organosilane hydrolysate having the structure A(CH 3) 2 N + (CH 2) 3 Si 3-n n, wherein "A" is a saturated or unsaturated aliphatic chain having 12 to 18 carbons, "n" is an integer ranging from 0 to 2, "Z" is one or more alkyl groups selected from methyl and ethyl, or one or more oligosilsesquioxane or polysilsesquioxane; characterized by the steps of: (a) quaternization of a tertiary amine group of a starting material by alkylation through a reaction with a halosilane, such that the conversion rate of the starting material is in the range of 55% to 65%; (b) quaternizing at least 90% of the part of the starting material that has not been converted into antimicrobial organosilane, by adding a supplementary reactant into the reaction medium, wherein the starting material has the structure A(CH 3) 2 N, wherein "A" is a saturated or unsaturated aliphatic chain having 12 to 18 carbons; and wherein one or more supplementary reactants are selected from benzyl chloride, benzyl bromide, benzyl iodide, vinyl benzyl chloride, vinyl benzyl bromide, vinyl benzyl iodide, epichlorohydrine, epibromohydrin, epiiodohydrin, chloroethanoic acid, bromoethanoic acid, iodoethanoic acid, and sultones; and wherein step (a) and step (b) are realized in a single reaction medium. (a) quaternization of a tertiary amine group of a starting material by alkylation through a reaction with a halosilane, such that the conversion rate of the starting material is in the range of 55% to 65%; (b) quaternizing at least 90% of the part of the starting material that has not been converted into antimicrobial organosilane, by adding a supplementary reactant into the reaction medium, wherein the starting material has the structure A(CH 3) 2 N, wherein "A" is a saturated or unsaturated aliphatic chain having 12 to 18 carbons; and wherein one or more supplementary reactants are selected from benzyl chloride, benzyl bromide, benzyl iodide, vinyl benzyl chloride, vinyl benzyl bromide, vinyl benzyl iodide, epichlorohydrine, epibromohydrin, epiiodohydrin, chloroethanoic acid, bromoethanoic acid, iodoethanoic acid, and sultones; and wherein step (a) and step (b) are realized in a single reaction medium.
A medium for the culture and detection of coagulase-positive staphylococci, comprising: • at least one natural or synthetic specific substrate allowing the detection of at least one metabolic activity of said coagulase-positive staphylococci, the degradation product of which causes the pH to vary • a pH indicator capable of revealing the consumption of said substrate • at least one compound inhibiting or delaying the germination of Bacillus spores, which are capable of interfering with the culture and detection of said coagulase-positive staphylococci; said spore germination inhibiting or delaying compound is chosen from the group comprising D-alanine, diphenylamine, alcohols of formula C n H 2n+2 OH where n ranges from 6 to 12, preferably octanol, nonanol or decanol, inhibitors of enzymes of trypsin type, and/or mixtures thereof. • at least one natural or synthetic specific substrate allowing the detection of at least one metabolic activity of said coagulase-positive staphylococci, the degradation product of which causes the pH to vary • a pH indicator capable of revealing the consumption of said substrate • at least one compound inhibiting or delaying the germination of Bacillus spores, which are capable of interfering with the culture and detection of said coagulase-positive staphylococci; said spore germination inhibiting or delaying compound is chosen from the group comprising D-alanine, diphenylamine, alcohols of formula C n H 2n+2 OH where n ranges from 6 to 12, preferably octanol, nonanol or decanol, inhibitors of enzymes of trypsin type, and/or mixtures thereof.
A process for preparing at least one partial oxidation and/or ammoxidation product of propylene, in which a) crude propane is subjected to a homogeneously and/or heterogeneously catalyzed dehydrogenation and/or oxydehydrogenation in the presence and/or absence of oxygen in a first step to give a gas mixture 1 comprising propane and propylene, and b) part of the constituents other than propane and propylene present in the gas mixture 1 formed in the first step is optionally separated off from the gas mixture 1 and/or converted into other compounds so as to produce a gas mixture 1' comprising propane and propylene and also compounds other than oxygen, propane and propylene from the gas mixture 1 and, in at least one further step, c) gas mixture 1 and/or gas mixture 1' are/is subjected as constituent of a gas mixture 2 to a heterogeneously catalyzed gas-phase partial oxidation and/or partial gas-phase ammoxidation of propylene present in gas mixture 1 and/or gas mixture 1', wherein the total content of C 4 -hydrocarbons in the gas mixture 2 is ≤ 3% by volume and the process of the present invention is carried out in a reaction zone over a catalyst charge whose active composition consists of at least one multimetal oxide composition comprising the elements Mo, V, at least one of the two elements Te and Sb and at least one element selected from the group consisting of Nb, Ta, W, Ti, Al, Zr, Cr, Mn, Ga, Fe, Ru, Co, Rh, Ni, Pd, Pt, La, Bi, B, Ce, Sn, Zn, Si, Na, Li, K, Mg, Ag, Au and In in combination. a) crude propane is subjected to a homogeneously and/or heterogeneously catalyzed dehydrogenation and/or oxydehydrogenation in the presence and/or absence of oxygen in a first step to give a gas mixture 1 comprising propane and propylene, and b) part of the constituents other than propane and propylene present in the gas mixture 1 formed in the first step is optionally separated off from the gas mixture 1 and/or converted into other compounds so as to produce a gas mixture 1' comprising propane and propylene and also compounds other than oxygen, propane and propylene from the gas mixture 1 and, in at least one further step, c) gas mixture 1 and/or gas mixture 1' are/is subjected as constituent of a gas mixture 2 to a heterogeneously catalyzed gas-phase partial oxidation and/or partial gas-phase ammoxidation of propylene present in gas mixture 1 and/or gas mixture 1',
Folding gate comprising • two wing-like folding-door elements (10, 20), a first of the two folding-door elements being mounted such that it can rotate about a pivot axis, and the second folding-door element being connected to the first folding-door element such that it can move on one side about an axis which runs parallel to the pivot axis, • a drive configured to pivot the first folding door element about the pivot axis to open and close the folding door, - wherein the drive comprises a sprocket and a motor-driven pinion cooperating with the sprocket, - wherein the sprocket is disposed at a bearing point for the first folding door element and the pinion is disposed on the first folding door element, and - wherein the sprocket and the pinion cooperate such that the pinion moves along the sprocket to open and close the folding gate, characterized in that in that the second folding door element is guided on a second side, which is opposite the first side, such that it can be displaced and pivoted along a guide element, and that the sprocket has a radius of 200mm to 1000mm. • two wing-like folding-door elements (10, 20), a first of the two folding-door elements being mounted such that it can rotate about a pivot axis, and the second folding-door element being connected to the first folding-door element such that it can move on one side about an axis which runs parallel to the pivot axis, • a drive configured to pivot the first folding door element about the pivot axis to open and close the folding door, - wherein the drive comprises a sprocket and a motor-driven pinion cooperating with the sprocket, - wherein the sprocket is disposed at a bearing point for the first folding door element and the pinion is disposed on the first folding door element, and - wherein the sprocket and the pinion cooperate such that the pinion moves along the sprocket to open and close the folding gate, - wherein the drive comprises a sprocket and a motor-driven pinion cooperating with the sprocket, - wherein the sprocket is disposed at a bearing point for the first folding door element and the pinion is disposed on the first folding door element, and - wherein the sprocket and the pinion cooperate such that the pinion moves along the sprocket to open and close the folding gate, in that the second folding door element is guided on a second side, which is opposite the first side, such that it can be displaced and pivoted along a guide element, and that the sprocket has a radius of 200mm to 1000mm.
A crank-shaft for an internal combustion machine having at least one main bearing journal for supporting the crank-shaft in a crank-housing and having at least one pin bearing journal for connecting a connecting rod to the crank-shaft, the main bearing journal and/or the pin bearing journal features at least one area (x) of high mechanical load, characterized in that at least one of the bearing journal surfaces (12, 13) comprises at least one recess area (14, 15) with a depth (d) of at least 1 mm, and the at least one recess area (14, 15) is arranged in a lateral position relative to the area (x) of high mechanical load.
A magnetic resonance imaging probe comprising: a longitudinal body; first, second, and third magnetic resonance coils supported by said longitudinal body; wherein said first coil is configured to measure magnetic fields having a first direction within a region of interest beyond a distal end of said longitudinal body; wherein said second coil is configured to measure magnetic fields having a second direction within a region of interest beyond the distal end of said longitudinal body, wherein said first direction and said second direction are approximately orthogonal; wherein said third coil is configured to measure magnetic fields having a third direction within a region of interest beyond said distal end of said longitudinal body, wherein said third direction is approximately orthogonal to said first direction and said second direction; and electrical circuits housed within said longitudinal body for tuning and matching said first, second, and third coils and for pre-amplifying signals detected by said first, second, and third coils, characterized in that said first coil is comprising at least one folded butterfly coil, said second coil is comprising at least one folded stripline coil, and said third coil is comprising at least one loop coil. a longitudinal body; first, second, and third magnetic resonance coils supported by said longitudinal body; wherein said first coil is configured to measure magnetic fields having a first direction within a region of interest beyond a distal end of said longitudinal body; wherein said second coil is configured to measure magnetic fields having a second direction within a region of interest beyond the distal end of said longitudinal body, wherein said first direction and said second direction are approximately orthogonal; wherein said third coil is configured to measure magnetic fields having a third direction within a region of interest beyond said distal end of said longitudinal body, wherein said third direction is approximately orthogonal to said first direction and said second direction; and electrical circuits housed within said longitudinal body for tuning and matching said first, second, and third coils and for pre-amplifying signals detected by said first, second, and third coils, characterized in that said first coil is comprising at least one folded butterfly coil, said second coil is comprising at least one folded stripline coil, and said third coil is comprising at least one loop coil.
An apparatus for imaging a wall of a borehole penetrating the earth, the apparatus comprising: a carrier configured to be conveyed through the borehole; an array of acoustic transducers disposed on the carrier and configured to transmit an acoustic signal toward the borehole wall and receive an acoustic return signal from the borehole wall; a controller configured to (i) scan a section of the borehole wall with first acoustic beams that are transmitted by a series of sets of acoustic transducers in the array to produce adjacent first acoustic measurements that are spaced a first distance D1 apart along the borehole wall, each set having at least one transducer that is different from an adjacent set, (ii) steer a second acoustic beam along the section of the borehole wall using one set of acoustic transducers in the array to produce adjacent second acoustic measurements that are a second distance D2 apart along the borehole wall, and (iii) image the borehole wall using the first acoustic measurements and the second acoustic measurements to generate a borehole wall image, wherein the second acoustic measurements form an image of points of the borehole wall located between adjacent points of the borehole wall imaged by the first acoustic measurements; and an output interface coupled to the controller and configured to transmit a signal comprising the borehole wall image to a signal receiving device. a carrier configured to be conveyed through the borehole; an array of acoustic transducers disposed on the carrier and configured to transmit an acoustic signal toward the borehole wall and receive an acoustic return signal from the borehole wall; a controller configured to (i) scan a section of the borehole wall with first acoustic beams that are transmitted by a series of sets of acoustic transducers in the array to produce adjacent first acoustic measurements that are spaced a first distance D1 apart along the borehole wall, each set having at least one transducer that is different from an adjacent set, (ii) steer a second acoustic beam along the section of the borehole wall using one set of acoustic transducers in the array to produce adjacent second acoustic measurements that are a second distance D2 apart along the borehole wall, and (iii) image the borehole wall using the first acoustic measurements and the second acoustic measurements to generate a borehole wall image, wherein the second acoustic measurements form an image of points of the borehole wall located between adjacent points of the borehole wall imaged by the first acoustic measurements; and an output interface coupled to the controller and configured to transmit a signal comprising the borehole wall image to a signal receiving device.
Axle box for a railway vehicle bogie comprising a rolling bearing having an outer ring element, an inner ring element, rolling elements mounted there between, and a seal element, the inner ring element being adapted to be secured by screw bolts to an axial end of bogie axle, the axle box comprising an end cap comprising a flange with an inner face and an outer face, a first annular radial surface portion of the inner face being so defined that it is able to lean against an axial end of the inner bearing ring element of the rolling bearing, the flange comprising a central part traversed by screw bores, characterized in that the flange comprises a first inner annular axial ridge running alongside the outer circumference of the cap, extending towards the rolling bearing all around the flange, axially at least as far as the first radial surface portion extends, so as to leave an axial gap between the first inner axial ridge and the outer bearing ring of the rolling bearing, which gap is less than or equal to 5 mm, and in that the flange comprises a second annular axial inner ridge running along the inner circumference of the first annular radial surface portion, an inner circumference of the second annular axial inner ridge having a diameter equal to the outer diameter of an axial end of the axle.