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公开(公告)号：US11862393B2
公开(公告)日：2024-01-02
申请号：US17540234
申请日：2021-12-02
CPC分类号： H01F7/081 , F16K31/04 , F16K31/042 , F16K31/105 , F16K31/0675
摘要： A coil assembly, e.g., for use a valve, is disclosed. The coil assembly includes a coil arrangement including at least one electrically energizable coil, a coil ring carrier receiving the coil arrangement, and a flux conducting device for conducting magnetic field lines of a magnetic field provided via the coil arrangement. The flux conducting device includes a one-piece ferromagnetic pole ring that includes a ring base plate and a plurality of pole ring outer teeth arranged on an outer edge of the ring base plate and angularly bent over on fold-over outer edge regions of the ring base plate. The flux conducting device further includes a one-piece ferromagnetic counter-pole ring that includes a counter-ring base plate and a plurality of counter-pole ring outer teeth arranged on a counter-outer edge of the counter-ring base plate and angularly bent over on counter-fold-over outer edge regions of the counter-ring base plate.
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公开(公告)号：US20220181058A1
公开(公告)日：2022-06-09
申请号：US17540234
申请日：2021-12-02
摘要： A coil assembly, e.g., for use a valve, is disclosed. The coil assembly includes a coil arrangement including at least one electrically energizable coil, a coil ring carrier receiving the coil arrangement, and a flux conducting device for conducting magnetic field lines of a magnetic field provided via the coil arrangement. The flux conducting device includes a one-piece ferromagnetic pole ring that includes a ring base plate and a plurality of pole ring outer teeth arranged on an outer edge of the ring base plate and angularly bent over on fold-over outer edge regions of the ring base plate. The flux conducting device further includes a one-piece ferromagnetic counter-pole ring that includes a counter-ring base plate and a plurality of counter-pole ring outer teeth arranged on a counter-outer edge of the counter-ring base plate and angularly bent over on counter-fold-over outer edge regions of the counter-ring base plate.
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公开(公告)号：US20220178598A1
公开(公告)日：2022-06-09
申请号：US17540218
申请日：2021-12-01
摘要： An electric valve, e.g., an electric expansion valve, for expanding a fluid, e.g., for a thermodynamic cycle, is disclosed. The electric valve includes an electric machine including a rotor and a stator interacting with the rotor during operation. A valve body is drive-connected with the rotor. The rotor, the stator, and the valve body are arranged in a valve housing. The valve housing, in an axial direction outside includes a bottom, and a connector projects axially from the bottom. At least one wing projects from the bottom, the at least one wing extending obliquely to the axial direction at least in portions and resiliently supports the bottom on the front side.
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公开(公告)号：US20190390758A1
公开(公告)日：2019-12-26
申请号：US16448999
申请日：2019-06-21
发明人： Eugen Makarow , Edgar Salfeld , Johannes Schmidt , Florian Wetzel
IPC分类号： F16H57/02 , F16H57/023 , F16H57/00 , F16H57/022
摘要： A positioning device for mechanically actuating a component may include a housing with first and second housing parts welded to one another via an axial welded connection. The first and second housing parts may have integrally formed first and second bearing points, respectively, of a bearing within the housing. The positioning device may also include a gearing fixed in the housing, the gearing having an output shaft penetrating the second housing part and being drive-connectable with the component outside the housing, and an output wheel non-rotationally fixed on the output shaft and rotatably mounted in the bearing. The positioning device may further include a rotary position detector with a permanent magnet and a Hall sensor, the permanent magnet being arranged on a gear wheel of the output shaft or on the output shaft at an end face of the output shaft, and the Hall sensor being arranged on the first housing part. End faces of the first and second bearing points may interact axially with first and second bearing surfaces, respectively, of the output wheel located opposite each other. The bearing may have a predetermined axial play defined by a difference between an outer axial distance between the first and second bearing points and an inner axial distance between the first and second bearing surfaces.
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公开(公告)号：US11906065B2
公开(公告)日：2024-02-20
申请号：US17540228
申请日：2021-12-01
CPC分类号： F16K27/029 , F25B41/35
摘要： An electric valve may include an electric machine having a rotor and a stator, a valve body drivingly connected to the rotor, a valve seat cooperating with the valve body, a housing in which the rotor and the stator are arranged, a split pot arranged in the housing and fluidically separating a dry region from a wet region in the housing, and a spring assembly including at least one spring. The rotor may be arranged in the split pot. The stator may surround the split pot radially on an outside in a circumferential direction. The split pot may protrude beyond an axially outer front side of the rotor. The spring assembly may be coupled to the housing and may rest on the front side spaced apart from the housing such that the spring assembly mechanically impinges on the stator radially and axially.
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公开(公告)号：US20220178458A1
公开(公告)日：2022-06-09
申请号：US17540228
申请日：2021-12-01
摘要： An electric valve may include an electric machine having a rotor and a stator, a valve body drivingly connected to the rotor, a valve seat cooperating with the valve body, a housing in which the rotor and the stator are arranged, a split pot arranged in the housing and fluidically separating a dry region from a wet region in the housing, and a spring assembly including at least one spring. The rotor may be arranged in the split pot. The stator may surround the split pot radially on an outside in a circumferential direction. The split pot may protrude beyond an axially outer front side of the rotor. The spring assembly may be coupled to the housing and may rest on the front side spaced apart from the housing such that the spring assembly mechanically impinges on the stator radially and axially.
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公开(公告)号：US11131370B2
公开(公告)日：2021-09-28
申请号：US16353060
申请日：2019-03-14
发明人： Eugen Makarow , Edgar Salfeld , Florian Wetzel
IPC分类号： F16H27/02 , F16H29/02 , F16H29/20 , F16H35/00 , F16H19/00 , F16H1/16 , F16H1/20 , F16H57/039 , F16H57/023 , F16H57/02 , F16H57/00
摘要： A controlling device may include an actuator for mechanically actuating a component. The actuator may be driven by an electric motor. The controlling device provides a return spring. In the case of a failure of the electric motor, the return spring brings about a shifting of the actuator into a starting position. The return spring may be mounted in the controlling device so that it prestresses the actuator into the starting position with a predetermined minimum restoring force.
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公开(公告)号：US20190150330A1
公开(公告)日：2019-05-16
申请号：US16186537
申请日：2018-11-10
发明人： Steffen Huebner , David Moczko , Florian Wetzel
IPC分类号： H05K9/00
摘要： A control system for a motor vehicle, in particular for an electric or hybrid vehicle, wherein the control system has at least one actuator and at least one sensor. The control system further has a protective housing comprising an interior, wherein the at least one actuator and the at least one sensor are arranged within the interior. The protective housing has an injection molded body constructed of a plastic material and comprising an interference field protective zone configured to at least partially shield electromagnetic interference fields.
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公开(公告)号：US11828503B2
公开(公告)日：2023-11-28
申请号：US17540218
申请日：2021-12-01
CPC分类号： F25B41/35 , F16K27/00 , F16K27/029 , F16K31/04
摘要： An electric valve, e.g., an electric expansion valve, for expanding a fluid, e.g., for a thermodynamic cycle, is disclosed. The electric valve includes an electric machine including a rotor and a stator interacting with the rotor during operation. A valve body is drive-connected with the rotor. The rotor, the stator, and the valve body are arranged in a valve housing. The valve housing, in an axial direction outside includes a bottom, and a connector projects axially from the bottom. At least one wing projects from the bottom, the at least one wing extending obliquely to the axial direction at least in portions and resiliently supports the bottom on the front side.
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公开(公告)号：US20220178599A1
公开(公告)日：2022-06-09
申请号：US17541231
申请日：2021-12-02
IPC分类号： F25B41/35
摘要： An expansion valve may include a housing, a threaded bush, a valve body, and a permanent magnet body. The threaded bush may be arranged in the housing and may extend along an axial direction. The threaded bush may include an external thread. The valve body may be partially adjustably received in the threaded bush along the axial direction. The permanent magnet body may be of a pot-shaped design and may be arranged in the housing. The permanent magnet body may extend the threaded bush along the axial direction such that the valve body is partially received in a valve body receptacle surrounded by the permanent magnet body. The permanent magnet body may surround a radially outside of the threaded bush in a common transition portion. In the transition portion, the permanent magnet body may be firmly connected to the threaded bush via a latching connection.
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