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公开(公告)号：US11594989B2
公开(公告)日：2023-02-28
申请号：US17351965
申请日：2021-06-18
IPC分类号： H02P21/09
摘要： A rotary current machine system and method for controlling an electric rotary current machine, in particular an induction machine, having a rotor, a stator and at least two phase windings is disclosed. At least one electrical signal, in particular a voltage signal, is applied to at least one phase winding, preferably all phase windings, of the rotary current machine, and the current waveform in the at least one phase winding is measured. An intermodulation signal component, induced in the rotary current machine by slotting effects and magnetic saturation effects, which is determined from the current waveform measured in the at least one phase winding, is used for controlling the rotary current machine.
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公开(公告)号：US20220247446A1
公开(公告)日：2022-08-04
申请号：US17626164
申请日：2020-07-21
发明人： Holger Arthaber , Daniel Neunteufel
IPC分类号： H04B1/40
摘要： Method and apparatus to produce a wideband RF signal covering an increased first bandwidth, utilizing at least one narrowband transceiver (1) capable of producing an output RF signal with a base frequency fbase and a second bandwidth, wherein the second bandwidth is lower than the first bandwidth, and wherein the base frequency Case depends on the setting of at least one frequency register (2, 2′, 2″), which is adjustable by a control unit, as well as method to estimate the position of a narrowband RF transceiver (1) using a multitude of coherent wideband RF receivers (12) and computer-readable medium comprising computer-executable instructions causing an electronic device to perform the method.
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3.发明申请公开(公告)号：US20220187276A1
公开(公告)日：2022-06-16
申请号：US17603082
申请日：2020-04-10
IPC分类号： G01N33/483 , B01L3/00
摘要： The present invention relates to a microfluidic device for determining the transepithelial electrical resistance (TEER) of a cell layer or a cell assembly and/or for determining the impedance of cells, a cell layer or a cell assembly, said device comprising at least one microchannel (1) comprising at least a lower (3) and an upper compartment (2) separated by at least one porous membrane (4) and optionally an inner compartment (12), the lower compartment (3) comprising a bottom wall (7) and side walls (8), the upper compartment (2) comprising an upper wall (6) and side walls (8), the bottom (7) and upper wall (6), the side walls (8) and the at least one porous membrane (4) defining compartment volumes, wherein at least one porous membrane (4) comprises on its surface at least
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公开(公告)号：US11174354B2
公开(公告)日：2021-11-16
申请号：US16469054
申请日：2017-12-22
发明人： Anton Friedl , Felix Weinwurm , Stefan Beisl
摘要： The invention relates to a method for producing lignin particles, comprising the steps of: a) extracting lignin from a lignincontaining starter material, using a mixture that comprises at least one organic solvent and water, and b) precipitating the lignin in the solution from step a).
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公开(公告)号：US11097391B2
公开(公告)日：2021-08-24
申请号：US15546781
申请日：2016-01-26
摘要： A spindle arrangement for a machine tool, comprising a spindle for driving a tool and at least one actuator for exciting vibration of the tool, characterized in that the spindle arrangement is provided with a compensation device for at least partly compensating the inertia forces produced by the vibration excitation in the spindle region.
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公开(公告)号：US10709827B2
公开(公告)日：2020-07-14
申请号：US15950218
申请日：2018-04-11
摘要： A substance exchange device for intracorporal use includes a cavity for receiving blood having at least one blood inlet and at least one blood outlet, a substance exchange membrane adjoining the cavity, a supply duct for supplying an exchange fluid to the substance exchange membrane, a blood pump arranged within the cavity and a drive unit for the blood pump. The blood pump is configured to pump blood in a direction from a blood inlet to a blood outlet of the cavity. The drive unit includes a turbine, which is connected to the supply duct and may be driven by an exchange fluid supplied via the supply duct, where the turbine includes at least a rotor coupled to the blood pump and a stator (turbine nozzle) arranged upstream of the rotor.
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公开(公告)号：US10563013B2
公开(公告)日：2020-02-18
申请号：US15573273
申请日：2016-05-13
IPC分类号： C08G73/10
摘要： A solvothermal synthesis process for polyimides is provided. The process uses solution polymerization of monomers in an appropriate solvent, by mixing the solvent and the monomers and heating the mixture under pressure at temperatures exceeding the respective boiling point at normal pressure. The process produces essentially completely crystalline polyimides by a) mixing and heating the solvent and the monomers by either (i) heating the solvent up to solvothermal conditions and subsequently adding the monomers to initiate the reaction, or (ii) mixing the monomers with the solvent and heating the mixture up to solvothermal conditions within a period of 5 min, the reaction temperature TR being held below the solid-state polymerization temperature TP of the monomers during the polymerization; and b) carrying out the solution polymerization until essentially complete conversion is achieved.
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公开(公告)号：US20200049597A1
公开(公告)日：2020-02-13
申请号：US16339686
申请日：2017-10-05
摘要： An apparatus and a method for analysing a solid specimen material by means of ablating particles of the solid specimen material by laser into a carrier liquid, having: a specimen holder for arranging the solid specimen material covered by the carrier liquid, a laser apparatus for irradiating the solid specimen material to produce a suspension of particles of the solid specimen material and the carrier liquid, an analysis apparatus for analysing the particles, an ablation cell with the specimen holder, having a liquid channel for the carrier liquid and having an entry window made of a material that transmits the laser beam, a supply line for supplying the carrier liquid into the liquid channel of the ablation cell and a discharge line for discharging the suspension of particles of the solid specimen material and the carrier liquid from the liquid channel of the ablation cell into the analysis apparatus.
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公开(公告)号：US20180142082A1
公开(公告)日：2018-05-24
申请号：US15571949
申请日：2016-05-02
摘要： The invention relates to the use of sulfonic acid esters of the following Formula 1 and/or Formula 2, individually or as a mixture of more than one thereof, as regulators in polymerization reactions of radically polymerizable, ethylenically unsaturated monomers: wherein A in each case independently is selected from H, CN, linear, branched or cyclic aliphatic or aromatic C1-C30 hydrocarbon residues; X in each case independently is —COO— or —CON(R1)—, wherein the binding to A occurs via O or N, or is absent if A is an aromatic hydrocarbon residue or CN; B in each case independently is selected from linear, branched or cyclic aliphatic or aromatic C1-C30 hydrocarbon residues; R1 in each case independently is selected from hydrogen and linear, branched or cyclic aliphatic or aromatic C1-C10 hydrocarbon residues, which are optionally substituted with one or more OH groups, wherein the aliphatic hydrocarbon residues are optionally interrupted by one or more oxygen atoms; and n in each case independently is an integer from 1 to 6.
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公开(公告)号：US09952384B2
公开(公告)日：2018-04-24
申请号：US15504084
申请日：2015-08-18
CPC分类号： G02B6/126 , G02B6/105 , G02B6/1226 , G02B2006/12157 , G02F1/0136 , G02F1/0955 , G02F2202/108 , G02F2202/36 , G02F2203/10
摘要： An optical diode (1) comprising an optical wave guide for guiding light, preferably of a light mode, with a vacuum wavelength λ0, wherein the optical wave guide has a wave guide core (2, 3, 14) with a first index of refraction (n1), and the wave guide core (2, 3, 14) is surrounded by at least one second optical medium which has at least one second index of refraction (n2), wherein n1>n2 applies, wherein the wave guide core (2, 3, 14) has at least in sections a smallest lateral dimension (7) which is a smallest dimension of a cross section (6) perpendicular to a propagation direction (5) of the light in the wave guide core (2, 3, 14), wherein the smallest lateral dimension (7) is greater than or equal to λ0/(5*n1) and less than or equal to 20*λ0/n1, wherein the optical diode (1) additionally comprises at least one absorber element (10, 11, 15, 16) which is arranged in a near field, wherein the near field consists of the electromagnetic field of the light of the vacuum wavelength λ0 in the wave guide core (2, 3, 14) and outside of the wave guide core (2, 3, 14) up to a standard interval (12) of 5*λ0, wherein the standard interval (12) is measured starting from one surface (8) of the wave guide core (2, 3, 14) forming an optical interface and in a direction perpendicular to the surface (8). The invention provides that the at least one absorber element (10, 11, 15, 16) for the light of the vacuum wavelength λ0 has a strongly different absorption for left circular polarization (σ−) and for right circular polarization (σ+).
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