mhurhangee/patent-ind-claim-en huggingface dataset:
A process for the production of a purified urea solution that is preferably suitable for use in NOx abatement, in particular for use as diesel exhaust fluid (DEF) or dilution to DEF, the process comprising: A) reacting CO 2 and NH 3 under urea synthesis conditions in a urea synthesis reactor operating at high pressure, to give a urea synthesis stream containing urea, NH 3 , CO 2 and an amount of carbamate, B) expanding the urea synthesis stream in a recovery section thereby reducing the pressure, wherein the urea synthesis stream that is expanded comprises at least 90 wt.% of said amount of carbamate, and heating at least part of the expanded urea synthesis stream in one or more dissociation units at medium and/or low pressure, to give an aqueous urea stream and a recovery section vapour containing NH 3 and CO 2 , C) subjecting in a purification section at least part of the aqueous urea stream to purification, wherein the purification is stripping to remove ammonia and/or wherein the purification yields a urea solution with an alkalinity as NH 3 of less than 0.2 wt.% when at 32.5 wt.% urea, giving a purified urea solution and a purification section off-gas containing water and ammonia, D) optionally diluting at least part of the purified urea solution and/or the aqueous urea stream to be purified with water to obtain a target concentration of urea, E) wherein the purification section off-gas is condensed to give purification section condensate and said purification section condensate is recycled to said urea synthesis reactor. A) reacting CO 2 and NH 3 under urea synthesis conditions in a urea synthesis reactor operating at high pressure, to give a urea synthesis stream containing urea, NH 3 , CO 2 and an amount of carbamate, B) expanding the urea synthesis stream in a recovery section thereby reducing the pressure, wherein the urea synthesis stream that is expanded comprises at least 90 wt.% of said amount of carbamate, and heating at least part of the expanded urea synthesis stream in one or more dissociation units at medium and/or low pressure, to give an aqueous urea stream and a recovery section vapour containing NH 3 and CO 2 , C) subjecting in a purification section at least part of the aqueous urea stream to purification, wherein the purification is stripping to remove ammonia and/or wherein the purification yields a urea solution with an alkalinity as NH 3 of less than 0.2 wt.% when at 32.5 wt.% urea, giving a purified urea solution and a purification section off-gas containing water and ammonia, D) optionally diluting at least part of the purified urea solution and/or the aqueous urea stream to be purified with water to obtain a target concentration of urea, E) wherein the purification section off-gas is condensed to give purification section condensate and said purification section condensate is recycled to said urea synthesis reactor.
A wind turbine comprising: - a rotor ; - a blade coupled to the rotor; and - a controller configured to: - receive a load value representing a load on the blade, wherein the load value is one of a plurality of load values received at the controller, - determine a mean of the plurality of load values, - estimate air density at the wind turbine using a predefined transfer function, wherein the transfer function converts the mean of the plurality of load values into the estimated air density, and - adjust a pitch of the blade to change thrust on the blade based on the estimated air density. - a rotor ; - a blade coupled to the rotor; and - a controller configured to: - receive a load value representing a load on the blade, wherein the load value is one of a plurality of load values received at the controller, - determine a mean of the plurality of load values, - estimate air density at the wind turbine using a predefined transfer function, wherein the transfer function converts the mean of the plurality of load values into the estimated air density, and - receive a load value representing a load on the blade, wherein the load value is one of a plurality of load values received at the controller, - determine a mean of the plurality of load values, - estimate air density at the wind turbine using a predefined transfer function, wherein the transfer function converts the mean of the plurality of load values into the estimated air density, and - adjust a pitch of the blade to change thrust on the blade based on the estimated air density.
A furnace condition control apparatus comprising: a first sensor unit configured to image at least one of temperature data and pressure data of a blast furnace depending on a measured location; a second sensor unit configured to detect unstructured data of the blast furnace, wherein unstructured data means the data used as a basis for determining the operation of the blast furnace using naked eyes; and an action guidance unit having an artificial intelligence algorithm outputting action guidance regarding a blast furnace operation based on imaged temperature or pressure data from the first sensor unit and unstructured data from the second sensor unit, wherein the action guidance is a proposed guidance by the artificial intelligence algorithm for an action that should be taken for a stable furnace condition control based on a learned model, wherein the action guidance unit comprises: a learning unit configured to learn based on data collected from the first sensor unit and the second sensor unit and having an action guidance on-line algorithm generating action guidance regarding a blast furnace operation; a reinforcement learning unit configured to reinforce an action guidance off-line algorithm learning depending on whether an operator accepts the action guidance; and a control unit configured to output the action guidance of the learning unit and determine relearning of the action guidance on-line algorithm and whether or not to replace the action guidance on-line algorithm with the action guidance off-line algorithm of the reinforcement learning unit. a first sensor unit configured to image at least one of temperature data and pressure data of a blast furnace depending on a measured location; a second sensor unit configured to detect unstructured data of the blast furnace, wherein unstructured data means the data used as a basis for determining the operation of the blast furnace using naked eyes; and an action guidance unit having an artificial intelligence algorithm outputting action guidance regarding a blast furnace operation based on imaged temperature or pressure data from the first sensor unit and unstructured data from the second sensor unit, wherein the action guidance is a proposed guidance by the artificial intelligence algorithm for an action that should be taken for a stable furnace condition control based on a learned model, a learning unit configured to learn based on data collected from the first sensor unit and the second sensor unit and having an action guidance on-line algorithm generating action guidance regarding a blast furnace operation; a reinforcement learning unit configured to reinforce an action guidance off-line algorithm learning depending on whether an operator accepts the action guidance; and a control unit configured to output the action guidance of the learning unit and determine relearning of the action guidance on-line algorithm and whether or not to replace the action guidance on-line algorithm with the action guidance off-line algorithm of the reinforcement learning unit.
A coating for corrosion protection of metal objects, said coating comprising at least one cerium oxide and at least one polypeptide, wherein the polypeptide comprises 29 or less amino acid residues wherein at least 15 % of the number of amino acid residues are DOPA.
A medical needle comprising a longitudinal body extending between a distal end and a proximal end along a longitudinal axis A, an outer surface of the needle includes a plurality of concave echogenic ultrasonic reflector depressions formed along at least a portion of a length of the needle to enhance the visibility of the needle under ultrasound guidance by scattering and reflecting back toward a transducer sound waves incident thereon, a row of said depressions are evenly distributed around the entire circumference of a circular cylindrical section of the needle, said circular cylindrical section having depressions around the entire circumference is a depression section , characterized in that each of said plurality of depressions comprises two non-planar reflector surfaces, a first reflector surface and a second reflector surface , wherein the first reflector surface is a semi-spherical surface, and the second reflector surface is a part of a cylindrical or a conical surface, wherein the second reflector surface having a longitudinal symmetry axis S that is inclined in the direction of the proximal end of the needle in relation to the longitudinal axis A of the needle by an inclination angle α being in the interval of 20 - 35 degrees.
A shaving blade assembly comprising: a housing having at least one cavity ; a shaving aid support that is rotatably attached to the housing about a center axis (A-A, B-B), wherein at least a shaft portion of the shaving aid support is disposed in the at least one cavity of the housing , wherein the shaving aid support has a first side and a second side , characterised in that the first side has a first lubricating element thereon and the second side has a second lubricating element thereon , wherein the housing further includes at least one recess (23; 323) and the shaving aid support includes at least one pin (43; 343), the recess (23; 323) and the pin (43; 343) being configured to removably lock together. a housing having at least one cavity ; a shaving aid support that is rotatably attached to the housing about a center axis (A-A, B-B), wherein at least a shaft portion of the shaving aid support is disposed in the at least one cavity of the housing , wherein the shaving aid support has a first side and a second side , characterised in that the first side has a first lubricating element thereon and the second side has a second lubricating element thereon , wherein the housing further includes at least one recess (23; 323) and the shaving aid support includes at least one pin (43; 343), the recess (23; 323) and the pin (43; 343) being configured to removably lock together.
A wireless communication method performed by a base station, comprising: performing transmissions that include one or more slots, wherein the slots have a predetermined structure; transmitting a message indicative of a change to a property of subsequent transmissions, wherein the change forms a changed structure for a slot in the one or more slots based on the predetermined structure for the slot; and using the changed structure for the slot for the subsequent transmissions, wherein the property of the subsequent transmissions includes at least one of a plurality of parameters indicative of properties of one or more components of the slot, a value associated to a structure in a set of pre-selected structures to indicate the changed structure, a direction of the transmission or an indicator of an operation to be performed during the transmission to sense an interference of the transmission, wherein the message is transmitted using the Radio Resource Control, RRC, protocol, further comprising: obtaining, prior to the transmitting of the message, information of an operational condition of the transmissions, wherein the obtaining information of the operational condition of the transmissions includes detecting an interference level of the transmissions, and deciding the slot structure to use for the subsequent transmissions based on the detected interference level. performing transmissions that include one or more slots, wherein the slots have a predetermined structure; transmitting a message indicative of a change to a property of subsequent transmissions, wherein the change forms a changed structure for a slot in the one or more slots based on the predetermined structure for the slot; and using the changed structure for the slot for the subsequent transmissions, wherein the property of the subsequent transmissions includes at least one of a plurality of parameters indicative of properties of one or more components of the slot, a value associated to a structure in a set of pre-selected structures to indicate the changed structure, a direction of the transmission or an indicator of an operation to be performed during the transmission to sense an interference of the transmission, wherein the message is transmitted using the Radio Resource Control, RRC, protocol, further comprising: obtaining, prior to the transmitting of the message, information of an operational condition of the transmissions, wherein the obtaining information of the operational condition of the transmissions includes detecting an interference level of the transmissions, and deciding the slot structure to use for the subsequent transmissions based on the detected interference level. obtaining, prior to the transmitting of the message, information of an operational condition of the transmissions, wherein the obtaining information of the operational condition of the transmissions includes detecting an interference level of the transmissions, and deciding the slot structure to use for the subsequent transmissions based on the detected interference level.
A switching device comprising: a lower switching element (T1), a drain (D1) of the lower switching element (T1) outputting a switch driving signal; an upper switching element (T2) having a source (S1) connected to the drain (D1) of the lower switching element (T1); a control circuit including an output part that supplies a driving signal to the lower switching element (T1); a Zener diode (ZD1) having a cathode (K1) connected to the output part ; a parallel capacitor (Cp1) connected to the Zener diode (ZD1) in parallel; and a resistor (Rg1) connected between an anode (A1) of the Zener diode (ZD) and a gate (G1) of the lower switching element (T1); characterized by : a gate-side capacitor (Cg1) provided separate from a parasitic capacitance of the lower switching element (T1), having a larger capacitance than the parasitic capacitance of the lower switching element (T1) and connected, outside the lower switching element (T1), between the connection point of the gate (G1) and the resistor (Rg1) and a source (S1) of the lower switching element (T1), wherein the capacitance of the gate-side capacitor (Cg1) is smaller than a capacitance of the parallel capacitor (Cp1). a lower switching element (T1), a drain (D1) of the lower switching element (T1) outputting a switch driving signal; an upper switching element (T2) having a source (S1) connected to the drain (D1) of the lower switching element (T1); a control circuit including an output part that supplies a driving signal to the lower switching element (T1); a Zener diode (ZD1) having a cathode (K1) connected to the output part ; a parallel capacitor (Cp1) connected to the Zener diode (ZD1) in parallel; and a resistor (Rg1) connected between an anode (A1) of the Zener diode (ZD) and a gate (G1) of the lower switching element (T1); characterized by : a gate-side capacitor (Cg1) provided separate from a parasitic capacitance of the lower switching element (T1), having a larger capacitance than the parasitic capacitance of the lower switching element (T1) and connected, outside the lower switching element (T1), between the connection point of the gate (G1) and the resistor (Rg1) and a source (S1) of the lower switching element (T1), wherein the capacitance of the gate-side capacitor (Cg1) is smaller than a capacitance of the parallel capacitor (Cp1). a gate-side capacitor (Cg1) provided separate from a parasitic capacitance of the lower switching element (T1), having a larger capacitance than the parasitic capacitance of the lower switching element (T1) and connected, outside the lower switching element (T1), between the connection point of the gate (G1) and the resistor (Rg1) and a source (S1) of the lower switching element (T1), wherein the capacitance of the gate-side capacitor (Cg1) is smaller than a capacitance of the parallel capacitor (Cp1).
Apparatus for determining the force (L) transmitted by an air spring , wherein a first sensor (P) for recording the respective bellows pressure (PL) is arranged inside or outside the air spring , wherein a second sensor (H) for recording the compression travel (HL) is arranged inside or outside the air spring , wherein the apparatus comprises an electronic computing apparatus (M) configured to receive the two items of data about the bellows pressure (PL) and the compression travel (HL), wherein the electronic computing apparatus (M) stores a family of characteristics relating to the air spring, describing the force (L) according to the compression travel (HL) and the bellows pressure (PL), wherein the apparatus is configured to take the compression travel (HL) and the internal bellows pressure (PL) as a basis for determining the transmitted force (L) with the aid of the family of characteristics relating to the respective air spring , characterized in that the sensor unit comprises a temperature sensor, wherein the electronic computing apparatus (M) stores a mathematical function that takes account of a change in the family of characteristics relating to the air spring as a result of temperature influences. wherein a second sensor (H) for recording the compression travel (HL) is arranged inside or outside the air spring , wherein the apparatus comprises an electronic computing apparatus (M) configured to receive the two items of data about the bellows pressure (PL) and the compression travel (HL), wherein the electronic computing apparatus (M) stores a family of characteristics relating to the air spring, describing the force (L) according to the compression travel (HL) and the bellows pressure (PL), wherein the apparatus is configured to take the compression travel (HL) and the internal bellows pressure (PL) as a basis for determining the transmitted force (L) with the aid of the family of characteristics relating to the respective air spring , characterized in that the sensor unit comprises a temperature sensor, wherein the electronic computing apparatus (M) stores a mathematical function that takes account of a change in the family of characteristics relating to the air spring as a result of temperature influences.
A base station antenna comprising : a reflector and a radome support mounted on the reflector, wherein the reflector comprises a body portion and a bent portion , the bent portion including at least a first section that is connected to and bent relative to the body portion of the reflector, wherein one or more arrays of radiating elements of the base station antenna are mounted on or above the body portion of the reflector, wherein the radome support includes a support portion for supporting the radome and a mating portion for mating with the reflector, wherein a first support limiting portion is provided on the mating portion of the radome support , a first reflector limiting portion is provided on the body portion of the reflector , and the first support limiting portion mates with the first reflector limiting portion to limit at least a position of the radome support in a width direction H of the base station antenna, and wherein a second support limiting portion is provided on the mating portion of the radome support , and correspondingly a second reflector limiting portion is provided on the bent portion of the reflector . a reflector and a radome support mounted on the reflector, wherein the reflector comprises a body portion and a bent portion , the bent portion including at least a first section that is connected to and bent relative to the body portion of the reflector, wherein one or more arrays of radiating elements of the base station antenna are mounted on or above the body portion of the reflector, wherein the radome support includes a support portion for supporting the radome and a mating portion for mating with the reflector, wherein a first support limiting portion is provided on the mating portion of the radome support , a first reflector limiting portion is provided on the body portion of the reflector , and the first support limiting portion mates with the first reflector limiting portion to limit at least a position of the radome support in a width direction H of the base station antenna, and wherein a second support limiting portion is provided on the mating portion of the radome support , and correspondingly a second reflector limiting portion is provided on the bent portion of the reflector .
Sliding bearing element , in particular a radial sliding bearing element or thrust washer, in particular for bearing the crankshaft or a connecting rod in internal combustion engines, comprising a metal protective layer , in particular made of steel, comprising a metal bearing layer made of a lead-free aluminium-based alloy containing magnesium and manganese, and comprising a running layer , wherein the aluminium-based alloy contains 0.5-6.0 wt.% magnesium, 0.05-2 wt.% manganese, if applicable one or more of the following alloy constituents: 0.5-7.5 wt.% zinc, 0.5-6 wt.% silicon, up to 5 wt.% copper, 0.05-0.5 wt.% iron, 0.05-1 wt.% chromium, 0.05-0.5 wt.% titanium, 0.05-0.5 wt.% zirconium, 0.05-0.5 wt.% vanadium, 0.1-3 wt.% nickel, 0.1-1 wt.% cobalt, 0.05-0.5 wt.% cerium, and impurity-related alloy constituents, wherein the latter do not exceed 1 wt.% in total, and balance aluminium, and wherein a total content of zinc, copper and nickel does not exceed 8 wt.% in total and a total content of all alloy constituents does not exceed 12 wt.% in total, characterised in that a surface region rich in aluminium oxide with a thickness of 0.5-5 μm is produced in the metal bearing layer by mechanically blasting an upper face of the metal bearing layer prior to application of the running layer and then applying the running layer to the blasted upper face of the metal bearing layer , and in that the running layer is an anti-friction coating having a polymer binder.