mhurhangee/ep-ind-claims huggingface dataset:
A high efficiency hydrogen fueled thermodynamic fuel cell system for a high altitude aircraft, said system comprising: an air inlet; a fan downstream from air inlet; a first air compressor fluidically coupled to said air inlet downstream from said fan, said first compressor adapted to compress inletted air into a fuel cell air pathway; a second air compressor fluidically coupled to said first air compressor downstream from said first air compressor; a third air compressor fluidically coupled to said second air compressor downstream from said second air compressor; a liquid hydrogen reservoir; a liquid hydrogen pump coupled to said liquid hydrogen reservoir, said pump adapted to pressurize liquid hydrogen through a hydrogen pathway; a first heat exchanger adapted to cool air downstream of said first air compressor with inletted air downstream from said fan; a second heat exchanger adapted to cool air downstream of said first compressor with hydrogen from said pump; a third heat exchanger adapted to cool air downstream of said second air compressor with inletted air downstream from said fan; a fourth heat exchanger adapted to cool air downstream of said second compressor with hydrogen from said pump downstream along said hydrogen pathway from said second heat exchanger; a hydrogen expander along said hydrogen pathway downstream from said fourth heat exchanger, and a fuel cell, said fuel cell fluidically coupled to said hydrogen pathway downstream of said hydrogen expander, said fuel cell fluidically coupled to said fuel cell air pathway downstream of said third compressor. an air inlet; a fan downstream from air inlet; a first air compressor fluidically coupled to said air inlet downstream from said fan, said first compressor adapted to compress inletted air into a fuel cell air pathway; a second air compressor fluidically coupled to said first air compressor downstream from said first air compressor; a third air compressor fluidically coupled to said second air compressor downstream from said second air compressor; a liquid hydrogen reservoir; a liquid hydrogen pump coupled to said liquid hydrogen reservoir, said pump adapted to pressurize liquid hydrogen through a hydrogen pathway; a first heat exchanger adapted to cool air downstream of said first air compressor with inletted air downstream from said fan; a second heat exchanger adapted to cool air downstream of said first compressor with hydrogen from said pump; a third heat exchanger adapted to cool air downstream of said second air compressor with inletted air downstream from said fan; a fourth heat exchanger adapted to cool air downstream of said second compressor with hydrogen from said pump downstream along said hydrogen pathway from said second heat exchanger; a hydrogen expander along said hydrogen pathway downstream from said fourth heat exchanger, and a fuel cell, said fuel cell fluidically coupled to said hydrogen pathway downstream of said hydrogen expander, said fuel cell fluidically coupled to said fuel cell air pathway downstream of said third compressor.
A method, comprising: storing a master key in a non-volatile memory of a computing server; using a communication circuit on the computing server, authenticating a first network communication device in a data network using a first key, said first key being derived from the master key and from a first set of key derivation data, said first set of key derivation data being stored on the first network communication device, and receiving a data migration request from a second network communication device in the data network, the data migration request specifying the first set of key derivation data and specifying a second set of key derivation data stored at the second network communication device; in response to receiving the data migration request, using a processing circuit on the computing server to determine a temporary key used by the second network communication device based on the first and second sets of key derivation data and the master key, and generate a second key based on the master key and the second set of key derivation data; and using the communication circuit providing the second key to the second network communication device via a secure communication channel established using the temporary key, and authenticating the second network communication device using the second key. storing a master key in a non-volatile memory of a computing server; using a communication circuit on the computing server, authenticating a first network communication device in a data network using a first key, said first key being derived from the master key and from a first set of key derivation data, said first set of key derivation data being stored on the first network communication device, and receiving a data migration request from a second network communication device in the data network, the data migration request specifying the first set of key derivation data and specifying a second set of key derivation data stored at the second network communication device; in response to receiving the data migration request, using a processing circuit on the computing server to determine a temporary key used by the second network communication device based on the first and second sets of key derivation data and the master key, and generate a second key based on the master key and the second set of key derivation data; and determine a temporary key used by the second network communication device based on the first and second sets of key derivation data and the master key, and generate a second key based on the master key and the second set of key derivation data; and using the communication circuit providing the second key to the second network communication device via a secure communication channel established using the temporary key, and authenticating the second network communication device using the second key.
A fuel cell system for producing electricity with fuel cells comprising a control arrangement, each fuel cell in the fuel cell system comprising an anode side, a cathode side and an electrolyte between the anode side and the cathode side, and the fuel cell system comprises means for recirculating fuel through the anode sides of the fuel cells, and the control arrangement comprises at least one system controller in a control processor for controlling the operation of the fuel cell system in control cycles of the system controller control process, characterised in that the control arrangement comprises: - means being adapted to perform an asynchronous chemical reaction rates calculation process of at least one of fuel composition and fuel flow rate asynchronically with the control cycles of the system controller control process to generate information in an iterative process on at least recirculation ratio of the fuel recirculation through anodes, - means being adapted to generate, in a synchronous process synchronically with the control cycles of the system controller control process, fuel utilization information and carbon formation information by utilizing the latest available recirculation ratio information provided by said asynchronous process, - means being adapted to perform an active cyclic system control and system monitoring process by utilizing said FU information and carbon formation information, - and the control arrangement comprises said means (202, 204, 206) as integrated to the same control processor, - and said means being adapted to process the asynchronous process simultaneously with the synchronous process so that said active cyclic system control and system monitoring process is processed below maximum allowed execution interval. - means being adapted to perform an asynchronous chemical reaction rates calculation process of at least one of fuel composition and fuel flow rate asynchronically with the control cycles of the system controller control process to generate information in an iterative process on at least recirculation ratio of the fuel recirculation through anodes, - means being adapted to generate, in a synchronous process synchronically with the control cycles of the system controller control process, fuel utilization information and carbon formation information by utilizing the latest available recirculation ratio information provided by said asynchronous process, - means being adapted to perform an active cyclic system control and system monitoring process by utilizing said FU information and carbon formation information, - and the control arrangement comprises said means (202, 204, 206) as integrated to the same control processor, - and said means being adapted to process the asynchronous process simultaneously with the synchronous process so that said active cyclic system control and system monitoring process is processed below maximum allowed execution interval.
A method for increasing the load bearing properties of a polyurethane foam composition, the foam composition comprising the reaction product of a polyol component and a polyisocyanate component, the method comprising the step of incorporating into the polyol component a polycarbonate polyol derived from the copolymerization of one or more epoxides and carbon dioxide, wherein the polycarbonate polyol is added in a quantity from 2 weight percent to 50 weight percent, preferably (i) from 5 weight percent to 25 weight percent, or (ii) from 2 weight percent to 10 weight percent, or (iii) from 10 weight percent to 20 weight percent, or (iv) from 20 weight percent to 30 weight percent, or (v) from 30 weight percent to 50 weight percent of all polyols present in the polyol component, wherein the polycarbonate polyol contains a primary repeating unit having a structure: where R 1, R 2, R 3, and R 4 are, at each occurrence in the polymer chain, independently selected from the group consisting of -H, fluorine, an optionally substituted C 1-40 aliphatic group, and an optionally substituted aryl group, where any two or more of R 1, R 2, R 3, and R 4 may optionally be taken together with intervening atoms to form one or more optionally substituted rings optionally containing one or more heteroatoms; further wherein, on average, the percentage of carbonate linkages, in the polycarbonate polyol, is 85% or greater, preferably: (i) 90% or greater, (ii) 95% or greater, or (iii) 98% or greater, or (iv) 99% or greater, or (v) 99,5% or greater. where R 1, R 2, R 3, and R 4 are, at each occurrence in the polymer chain, independently selected from the group consisting of -H, fluorine, an optionally substituted C 1-40 aliphatic group, and an optionally substituted aryl group, where any two or more of R 1, R 2, R 3, and R 4 may optionally be taken together with intervening atoms to form one or more optionally substituted rings optionally containing one or more heteroatoms; further wherein, on average, the percentage of carbonate linkages, in the polycarbonate polyol, is 85% or greater, preferably: (i) 90% or greater, (ii) 95% or greater, or (iii) 98% or greater, or (iv) 99% or greater, or (v) 99,5% or greater.
A polyarylene sulfide of which at least part of end groups of the main chain is carboxyl group (-COOH) or amine group (-NH 2), wherein the polyarylene sulfide is prepared by a method including the steps of: melt-polymerizing a reactant including a diiodoaromatic compound and sulfur element; and adding a compound having carboxyl group or amine group thereto while carrying out the polymerization step, and wherein the compound having carboxyl group or amine group is added thereto when the degree of the polymerization reaction is progressed 90% or more, wherein the degree of polymerization reaction is determined by the ratio of present viscosity to target viscosity.
A capacitor support carrying a capacitor, wherein the capacitor support is mounted in a housing for a printed circuit board inside the housing, which comprises at least a housing base and a housing cover, characterized by a base plate; a plurality of flexible arms extending upwards from the base plate and cooperating in a form and force fitting manner with the capacitor, wherein the capacitor support is mounted to an inner surface of the housing cover and above the printed circuit board; and a mounting structure formed on the base plate of the capacitor support for electrically connecting the capacitor from the housing cover above the printed circuit board to the printed circuit board. a base plate; a plurality of flexible arms extending upwards from the base plate and cooperating in a form and force fitting manner with the capacitor, wherein the capacitor support is mounted to an inner surface of the housing cover and above the printed circuit board; and a mounting structure formed on the base plate of the capacitor support for electrically connecting the capacitor from the housing cover above the printed circuit board to the printed circuit board.
Axial compressor for a gas turbine, with at least one guide vane ring which is fastened to a guide vane carrier and has a plurality of guide vanes (8, 9), the vane tips of which lie on the hub side, in each case so as to form a radial gap, opposite a wall portion of a shaft cover reacting thermally more quickly in relation to the guide vane carrier, which wall cover is configured as a rotationally fixed shaft cover, and wherein the wall portion is uncooled, characterized in that heat insulation is provided on the wall portion and is coordinated in its heat introduction delaying action upon the wall portion and upon the guide vane carrier in such a way that the thermally induced expansion behavior of the guide vane carrier and the wall portion is at least brought into line over time during the transient operation of the axial compressor.
A vibration damping device for a sports racket; the vibration damping device comprising a central body, which is provided with a slot, which is configured to house, in a vibration damping position, tines of the sports racket and is defined by two expanded portions (6*, 6**) facing one another and opposite one another; the two expanded portions (6*, 6**) are designed to be placed in contact with one another in said vibration damping position; the device is characterized in that the central body is provided with a through hole having a first symmetry axis; and in that it comprises a closing element, which is connected to the central body and is designed so as to surround the central body and place the two expanded portions (6*, 6**) in contact with one another in the vibration damping position; wherein the closing element is provided with a pin, which has a second symmetry axis parallel to the first symmetry axis and is designed to engage the through hole in said vibration damping position. a central body, which is provided with a slot, which is configured to house, in a vibration damping position, tines of the sports racket and is defined by two expanded portions (6*, 6**) facing one another and opposite one another; the two expanded portions (6*, 6**) are designed to be placed in contact with one another in said vibration damping position; the device is characterized in that the central body is provided with a through hole having a first symmetry axis; and in that it comprises a closing element, which is connected to the central body and is designed so as to surround the central body and place the two expanded portions (6*, 6**) in contact with one another in the vibration damping position; wherein the closing element is provided with a pin, which has a second symmetry axis parallel to the first symmetry axis and is designed to engage the through hole in said vibration damping position.
A method for checking quality of rod-like products (R, R') for the tobacco industry, comprising steps of moving rod-like products (R, R') placed in a transport socket of a conveyor along an audit trail, checking the quality of a rod-like products (R, R') with a scanning device placed on the audit trail, characterized in that it further comprises rotating the rod-like product (R, R') placed in the transport socket, during the step of checking the quality of rod-like products (R, R'), using at least one track interacting with a lateral surface of the rod-like products (R, R'). moving rod-like products (R, R') placed in a transport socket of a conveyor along an audit trail, checking the quality of a rod-like products (R, R') with a scanning device placed on the audit trail, characterized in that it further comprises rotating the rod-like product (R, R') placed in the transport socket, during the step of checking the quality of rod-like products (R, R'), using at least one track interacting with a lateral surface of the rod-like products (R, R').
A protease variant, or a recombinant polypeptide or an active fragment thereof comprising an amino acid sequence comprising two or more substitutions at one or more positions, wherein said two or more substitutions is selected from G053D-N076D-G166D; G053D-N076D-G118R-G166D-N256R; wherein the amino acid positions of the variant or recombinant polypeptide or active fragment thereof are numbered by correspondence with the amino acid sequence of SEQ ID NO: 10, wherein said variant or recombinant polypeptide or active fragment thereof further comprises an amino acid sequence having at least 75% amino acid sequence identity to SEQ ID NO: 10, and wherein said protease variant, or recombinant polypeptide or active fragment thereof has one or more improved property selected from improved cleaning performance, improved stability, and improved residual protease activity when compared to SEQ ID NO: 10 and/or 48.
A method for controlling a concentration of a donor in a β-Ga 2 O 3 -based single crystal, comprising: a step of introducing an element selected from Si and Sn as a donor impurity into the β-Ga 2 O 3 -based single crystal having a first donor concentration by an ion implantation process so as to form a donor impurity implantation region; and a step of activating the selected element present in the donor impurity implantation region by applying annealing treatment to the β-Ga 2 O 3 -based single crystal at a temperature not less than 900°C and not more than 1000°C in nitrogen atmosphere to form a conductive region having a second donor-concentration higher than the first donor-concentration and to repair damages on the β-Ga 2 O 3 -based single crystal caused by the ion implantation. a step of introducing an element selected from Si and Sn as a donor impurity into the β-Ga 2 O 3 -based single crystal having a first donor concentration by an ion implantation process so as to form a donor impurity implantation region; and a step of activating the selected element present in the donor impurity implantation region by applying annealing treatment to the β-Ga 2 O 3 -based single crystal at a temperature not less than 900°C and not more than 1000°C in nitrogen atmosphere to form a conductive region having a second donor-concentration higher than the first donor-concentration and to repair damages on the β-Ga 2 O 3 -based single crystal caused by the ion implantation.
A piezoelectric actuator which is fixed to one flat surface (1 la) to cover a pressure chamber opening in the one flat surface and which is configured to displace to project toward the pressure chamber based on an electric voltage applied to the piezoelectric actuator so as to apply pressure to a liquid inside the pressure chamber, the piezoelectric actuator comprising: a vibration plate fixed to the one flat surface and having a compressive stress; a piezoelectric layer having a pulling stress and stacked on the vibration plate at a position which is on an opposite side to the one flat surface and at which the piezoelectric layer overlaps with the pressure chamber in a direction orthogonal to the one flat surface; and an individual electrode stacked on the piezoelectric layer; characterized in that: the compressive stress of the vibration plate has a magnitude not less than a threshold value at which an extreme point is generated in a relationship between a compliance of the piezoelectric actuator and a displacement volume of the pressure chamber in a case that the voltage is applied to the piezoelectric actuator, the displacement volume converting from increasing to decreasing relative to increase in the compliance at the extreme point; and a thickness of the piezoelectric actuator (2, 3, 4) is not less than a first thickness corresponding to a compliance allowing the extreme point to generate. a vibration plate fixed to the one flat surface and having a compressive stress; a piezoelectric layer having a pulling stress and stacked on the vibration plate at a position which is on an opposite side to the one flat surface and at which the piezoelectric layer overlaps with the pressure chamber in a direction orthogonal to the one flat surface; and an individual electrode stacked on the piezoelectric layer; characterized in that: the compressive stress of the vibration plate has a magnitude not less than a threshold value at which an extreme point is generated in a relationship between a compliance of the piezoelectric actuator and a displacement volume of the pressure chamber in a case that the voltage is applied to the piezoelectric actuator, the displacement volume converting from increasing to decreasing relative to increase in the compliance at the extreme point; and a thickness of the piezoelectric actuator (2, 3, 4) is not less than a first thickness corresponding to a compliance allowing the extreme point to generate. the compressive stress of the vibration plate has a magnitude not less than a threshold value at which an extreme point is generated in a relationship between a compliance of the piezoelectric actuator and a displacement volume of the pressure chamber in a case that the voltage is applied to the piezoelectric actuator, the displacement volume converting from increasing to decreasing relative to increase in the compliance at the extreme point; and a thickness of the piezoelectric actuator (2, 3, 4) is not less than a first thickness corresponding to a compliance allowing the extreme point to generate.
A method for scheduling a voice service in a packet domain, comprising: obtaining one or more values of at least two first scheduling parameters, each of the at least two first scheduling parameters corresponds to a protocol sublayer of Layer 2, L2, of a voice service, wherein the L2 comprises at least two protocol sublayers; determining a condition needing to be satisfied by quality of service of the voice service; determining a value of a service scheduling parameter of the voice service based on the condition needing to be satisfied by the quality of service of the voice service and based on the one or more values of the at least two first scheduling parameters; and scheduling the voice service based on the value of the service scheduling parameter of the voice service. obtaining one or more values of at least two first scheduling parameters, each of the at least two first scheduling parameters corresponds to a protocol sublayer of Layer 2, L2, of a voice service, wherein the L2 comprises at least two protocol sublayers; determining a condition needing to be satisfied by quality of service of the voice service; determining a value of a service scheduling parameter of the voice service based on the condition needing to be satisfied by the quality of service of the voice service and based on the one or more values of the at least two first scheduling parameters; and scheduling the voice service based on the value of the service scheduling parameter of the voice service.