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公开(公告)号：US12109746B2
公开(公告)日：2024-10-08
申请号：US17498801
申请日：2021-10-12
发明人： Erhard Gruber , Martin Kleinschrodt , Lili Zhao
CPC分类号： B29C45/22 , B29C45/0005 , B29C45/231 , B29C2045/279 , B29K2101/12 , B29L2031/08 , F04D29/2222
摘要： A method for manufacturing an impeller with a number of impeller blades and a cover disc covering the impeller blades. Plastic is injected into an injection mold using a cascade injection molding process to form the impeller. The injection mold has a number of shut-off nozzles to feed the plastic at various joint positions and different opening times. The number of shut-off nozzles is determined as a function of the number of impeller blades.
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公开(公告)号：US20240302251A1
公开(公告)日：2024-09-12
申请号：US18573759
申请日：2022-05-30
发明人： Thomas SAUER , Jan GEHRINGER
CPC分类号： G01N1/2273 , G01F1/34 , G01N1/24 , G01N33/0073 , G01N2001/245
摘要： A monitoring device and to a method for monitoring the quality of a gas atmosphere. The monitoring device has a ventilator which is designed to produce a gas stream having a variable volumetric flow. A gas sensor is arranged at a sensor position on a stationary part of the ventilator and provides a measurement value for a control device. The control device is designed to determine a corrected monitoring value of the volumetric flow based on the measurement value and provided correction data.
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公开(公告)号：US12034350B2
公开(公告)日：2024-07-09
申请号：US17050003
申请日：2019-04-26
CPC分类号： H02K49/102 , H02K5/1732 , H02K5/207 , H02K7/003 , H02K7/083 , H02K9/06 , H02K11/215 , H02K2205/09 , H02K2207/03 , H02K2211/03
摘要： The invention relates to an electrical machine, in particular an electric drive unit comprising an electric motor and a magnetic gear. In accordance with one embodiment the electrical machine has the following: a housing, a first shaft arranged in the housing, by means of which first shaft a first permanent magnet assembly and a second permanent magnet assembly are rigidly connected, and a stator arranged internally on the housing, which stator together with the first shaft forms the electric motor. The electrical machine also has a tubular machine element with a plurality of ferromagnetic pole shoes, into which the first shaft is at least partially inserted, such that the first shaft is situated coaxially with the tubular machine element and the second permanent magnet assembly is situated within the tubular machine element. The first shaft is mounted at a first end on the tubular machine element by means of a first bearing inside the tubular machine element. An annular third permanent magnet assembly is arranged around the tubular machine element so that the second permanent magnet assembly, the tubular machine element and the third permanent magnet assembly form the magnet gear. Either the tubular machine element is mounted rotatably on the housing and the annular third permanent magnet assembly is rigidly connected to the housing, or the tubular machine element is rigidly connected to the housing and the annular third permanent magnet assembly is mounted rotatably on the housing.
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公开(公告)号：US11979101B2
公开(公告)日：2024-05-07
申请号：US17600503
申请日：2020-05-07
发明人： Thomas Kilian , Fabian Schneider
摘要： A single-strand EC motor with a winding strand with two winding connections, has a current regulating device in the winding strands between the winding connections. The current regulating device regulates the winding current of the single-strand EC motor during a first commutation phase with a positive current flow and a second commutation phase with a negative current flow. In each case, at a constant value. The value of the average output voltage uw(t) of the current regulator is used to ascertain the commutation time.
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公开(公告)号：US11976668B2
公开(公告)日：2024-05-07
申请号：US16742957
申请日：2020-01-15
发明人： Michael Strehle , Björn Sudler , Daniel Conrad
CPC分类号： F04D29/4253 , F04D19/002 , F04D29/547
摘要： A flow guiding device for use on a fan assembly with a motor-operated radial impeller rotating about an axis of rotation. The guiding device has an outer housing and an inner diffuser. A flow duct is formed between the outer housing and inner diffuser. The flow duct extends along an axial flow direction. The outer housing forms a receiving space for the integral holding of the radial impeller. The impeller borders, in the axial direction, on the inner diffuser. The impeller, during operation, takes in a flow axially and blows it out radially into the flow duct. The flow duct is adapted to deflect the flow from a radial direction into an axial direction.
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公开(公告)号：US11920968B2
公开(公告)日：2024-03-05
申请号：US16976926
申请日：2019-03-06
发明人： Thomas Sauer
IPC分类号： G01F15/063 , G01F1/36 , G06Q10/20 , G06Q30/0283 , G06Q30/04 , G06Q50/06
CPC分类号： G01F15/063 , G01F1/36 , G06Q30/0283 , G06Q30/04 , G06Q50/06 , G06Q10/20
摘要： An apparatus and a method for ascertaining and billing for a volume of air generated by an air-conveying device. The air quantity ascertaining and billing apparatus has an air-conveying device generating an air volume flow through an air passage. A measuring device measures air-related parameters of the particular air volume flow. An analysis unit analyzes the measured parameters, in order to determine the total air volume that was conveyed by the air conveying device through the air passage over a period. A transfer device transfers the value determined for the air volume by the analysis unit to a validation device. The validation device links the air volume flow or the determined air volume to an economic value, in order to obtain a billing value for the generated air volume.
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公开(公告)号：US11870303B2
公开(公告)日：2024-01-09
申请号：US17693734
申请日：2022-03-14
发明人： Alexander Lust , Ralf Weinmann , Matthias Maschke , Erich Pollok
CPC分类号： H02K1/148 , H02K1/165 , H02K2213/12
摘要： A segmented stator has a plurality of individual teeth (12) connected to one another in the direction of rotation. Each individual tooth (12) has a connecting portion (17) to produce a nonpositive mechanical connection with at least one directly adjacent individual tooth (12). The respective connecting portion (17) has a groove-shaped fastening contour (18, 18a, 19, 19a), at least on one connecting side (17a, 17b), facing toward the directly adjacent individual tooth (12). The fastening contour (18, 18a, 19, 19a) of an adjacent individual tooth (12) can be connected to its connecting portion (17), such that a nonpositive connection is produced which ensures a magnetic flux.
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公开(公告)号：US11835062B2
公开(公告)日：2023-12-05
申请号：US17258280
申请日：2019-10-09
发明人： Thomas Heli , Daniel Gebert
CPC分类号： F04D29/542 , F04D17/06 , F04D25/0613 , F04D29/703
摘要： A diagonal fan has an electric motor, a housing, and a diagonal impeller received in the housing. The diagonal fan is driven via the electric motor. The fan generates a diagonal flow during operation that is deflected in an axial flow direction by an inner wall of the housing. An outlet guide vane device is arranged adjacent to the diagonal impeller when viewed in the axial flow direction. The outlet guide vane device has a plurality of guide vanes that are distributed in a circumferential direction. The outlet guide vane device homogenizes an airflow generated by the diagonal impeller. The device has an air outlet with a specified outlet diameter B. The diagonal fan extends over a total axial length E. The ratio of the total axial length E to the outlet diameter B is configured such that 0.3≤E/B≤0.6.
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公开(公告)号：US20230387766A1
公开(公告)日：2023-11-30
申请号：US18249608
申请日：2021-10-06
发明人： Ralph WYSTUP , Philip KEMMET
CPC分类号： H02K15/08 , G06T1/0007 , H02K15/02
摘要： A method for producing a winding of a coil around a component, of an electric motor, wherein in order to produce the winding, at least one wire is guided over at least one arm encircling the component in a rotational movement in such a way that the wire is wound around the component in successive turns, wherein at least one image acquisition device and/or at least one computer unit provides information about the course of turns that have already been wound, wherein the arm is dynamically controlled in a type of movement different from the encircling rotational movement, in such a way that the turn currently being applied by the movement follows a determined turn course that is optimized with respect to previously applied adjacent turns.
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公开(公告)号：US11692553B2
公开(公告)日：2023-07-04
申请号：US17281688
申请日：2019-10-07
发明人： Oliver Haaf , Daniel Gebert
CPC分类号： F04D19/002 , F04D25/06
摘要： A diagonal fan includes an electric motor, a housing, and a diagonal impeller received inside the housing and drivable via the motor. The diagonal flow during operation is deflected in an axial flow direction. The diagonal impeller includes impeller blades distributed in the circumferential direction and a slinger ring encloses said blades. The diagonal fan includes an inlet nozzle on the suction side accommodating a main flow for the diagonal fan. The inlet nozzle extends overlapping at least in sections relative to the radial section of the slinger ring forming a nozzle gap therewith. A bypass channel on the housing forms a flow connection from a pressure-side surrounding region (U) of the diagonal fan to an inflow side of the nozzle gap. During operation of the diagonal fan, a swirl-free secondary flow (NS) is guided at the inflow side of the nozzle gap via the bypass channel.
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