公开(公告)号：US11757387B2

公开(公告)日：2023-09-12

申请号：US17430826

申请日：2020-02-14

申请人： MCi (Mirror Controls International) Netherlands B.V.

发明人： Jinku Hu ,  Bastiaan Huijzers ,  Hendrik Jan Meijdam

IPC分类号： H02P1/00 ,  H02P7/00 ,  G01P3/48 ,  G01R31/34

CPC分类号： H02P7/0094 ,  G01P3/48 ,  G01R31/346

摘要： An electric motor assembly is configured to determine a motor winding resistance value. Predicted values are determined for a first and second position of motor commutator sections relative to the motor brushes, with at least one of the brushes contacting different numbers of the sections in the first position and the second position. The predicted values are based on a temperature value measured by the temperature sensor and a predetermined dependence of variation of the motor resistance dependent on the temperature value. An electric motor current value is measured by a current sensor when the electric motor is substantially at standstill. A selection is made between different factors for determining the motor resistance value using the electric current value, dependent on which of the predicted values most closely corresponds to the electric current value. The motor resistance is determined using said electric current value according to the selected factor.

公开(公告)号：US11731691B2

公开(公告)日：2023-08-22

申请号：US17016803

申请日：2020-09-10

申请人： Super ATV, LLC

发明人： Justin Eaton

IPC分类号： B62D5/26 ,  B60G3/20 ,  B60G7/00 ,  B62D5/065 ,  F16D3/16 ,  G01D5/14 ,  G01D5/22 ,  G01P3/48 ,  B60K35/00 ,  B62D7/22

CPC分类号： B62D5/26 ,  B60G3/20 ,  B60G7/001 ,  B62D5/065 ,  F16D3/16 ,  G01D5/145 ,  G01D5/2291 ,  G01P3/48 ,  B60G2200/144 ,  B60G2202/31 ,  B60G2204/148 ,  B60G2206/124 ,  B60G2300/07 ,  B60K35/00 ,  B60K2370/167 ,  B62D7/228

摘要： A steering and suspension assembly for the rear wheels of an off-road vehicle includes: a) a first suspension component; b) a first steering component; c) a CV axle; d) a portal box assembly; e) a hydraulic steering assembly for moving the first steering component a distance effective to turn the vehicle at least 2° in either direction when the assembly is mounted to a wheel hub; f) a first suspension connection bracket for connecting the first suspension component to the rear wall of the portal box assembly; and g) a first steering connection bracket for connecting the first steering component to the rear wall of the portal box assembly. The portal box assembly includes: i) a housing having a rear wall, a front wall, and a side wall, wherein the rear wall includes a vehicle axle opening effective to receive the end of said CV axle, and wherein the front wall includes an output shaft opening effective to allow an output shaft to extend outward from the housing; ii) a linking mechanism housed in the housing and effective for linking a CV axle received in the vehicle axle opening to an output shaft; and iii) an output shaft operably connectable via the linking mechanism to the CV axle, and effective to rotate upon rotation of the stock axle.

公开(公告)号：US11561235B2

公开(公告)日：2023-01-24

申请号：US16690650

申请日：2019-11-21

申请人： ROLLS-ROYCE PLC

发明人： Robert N Shepherd ,  Kevin E Gapper

IPC分类号： G01P3/48 ,  G01P1/02 ,  G01P3/488 ,  F01D17/06

摘要： A system for monitoring the axial position of a rotating shaft includes a phonic wheel mounted coaxially to the shaft for rotation with a circumferential row of teeth. The system includes a sensor configured to detect the passage of the teeth by generating an alternating measurement signal. First and second portions of the teeth alternate around the row and contribute respective first and second components to the alternating measurement signal. The first portion of teeth vary in height in an axial direction of the wheel such that the relative height of the first and second portions varies with axial distance across the phonic wheel, and the sensor is positioned relative to the phonic wheel such that axial displacement of the shaft causes the signal to vary the first component's amplitude relative to the second component's amplitude due to the height variation, to monitor the axial position of the shaft.

公开(公告)号：US11549390B2

公开(公告)日：2023-01-10

申请号：US17451431

申请日：2021-10-19

申请人： Rosemount Aerospace Inc.

发明人： Aswin Kumar Vallamkondu ,  Ramesh Annamareddy ,  Magdi A. Essawy ,  Dennis A. Quy

IPC分类号： F01D21/00 ,  G01P3/48 ,  G01P3/487 ,  G01P3/489

摘要： Apparatus and associated methods relate to health-monitoring of a magnetic speed probe. An inductive coil of the magnetic speed probe is used for two purposes: i) to sense a changing magnetic field caused by rotation of a rotating member; and ii) to radiatively transmit radio-frequency signals for determining the health of the magnetic speed probe. A signal generator coupled to the inductive coil of the magnetic speed probe generates the radio-frequency signals that, when conducted by the inductive coil, causes an inductive coil to act as a radio transmitter by radiatively transmitting the radio-frequency signals. The radio-frequency signals transmitted by the inductive coil are detected by a radio receiver. The radio-frequency signals received are indicative of health of the magnetic speed probe.

公开(公告)号：US11448660B2

公开(公告)日：2022-09-20

申请号：US16911533

申请日：2020-06-25

申请人： Jaquet Technology Group AG

发明人： Jonathan A. A. Tigelaar ,  Andreas Tuor ,  Alexandru Istrate ,  Loïc Libis

IPC分类号： G01P3/48 ,  G01P3/49 ,  F02B37/00

摘要： A ferrite core coil device as a sensing element for a sensor device determining a rotational speed of a metallic rotatable object includes a coil having a first sector and a second sector and a ferrite core holding the coil. The ferrite core has a shape of a disk lacking a disk sector and defined by a contour of the disk and a chord of the disk. The chord forms a bending edge of the ferrite core. The first sector of the coil is not arranged on a bed of the ferrite core and the second sector of the coil is arranged on the bed. The first sector is bent around the bending edge at a bending angle with respect to the second sector.

公开(公告)号：US11428705B2

公开(公告)日：2022-08-30

申请号：US16500412

申请日：2018-04-09

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： Hirotsugu Suzuki ,  Kazuma Tsukamoto

IPC分类号： G01P3/48 ,  G01P3/483

摘要： An angular velocity sensor includes an angular velocity sensor element, a drive circuit, a detection circuit, and a reference potential supply circuit. The angular velocity sensor element has a monitor electrode, a drive electrode, a sense electrode, and a weight. The reference potential supply circuit supplies a reference potential to the angular velocity sensor element. The reference potential supply circuit has a first CV converter, a second CV converter, a comparator, and a reference potential adjustment circuit. The first CV converter is connected to the monitor electrode. The second CV converter is connected to the sense electrode. The comparator compares a frequency of a signal being output from the first CV converter with a frequency of a signal being output from the second CV converter, and outputs a signal depending on a result of the comparison.

公开(公告)号：US20220252650A1

公开(公告)日：2022-08-11

申请号：US17648589

申请日：2022-01-21

申请人： Robert Bosch GmbH

发明人： Andrea Visconti ,  Francesco Diazzi ,  Luca Valli

IPC分类号： G01R27/26 ,  H03K5/1252 ,  G01P3/48

摘要： A readout circuit for a capacitive differential sensor including periodic output signals. The readout circuit includes: one capacitance-to-voltage converter for output signals of the sensor; and one feedback circuit including a sampling unit and a filter unit, the sampling unit being configured to sample a differential signal of two oppositely-phased output signals of the capacitance-to-voltage converter and to generate a sampled differential signal, the filter unit being configured to average the sampled differential signals and to generate an averaged differential signal, and the feedback circuit being configured to feed the averaged differential signal as feedback into the capacitance-to-voltage converter. A sensor system including a readout circuit is also described.

公开(公告)号：US11378417B2

公开(公告)日：2022-07-05

申请号：US16834296

申请日：2020-03-30

申请人： Hitachi Metals, Ltd.

发明人： Masaaki Imahori ,  Kazuhiko Tomita

IPC分类号： G01D5/14 ,  G01P1/02 ,  G01P3/48 ,  G01R33/07 ,  G01P3/488 ,  G01P3/487

摘要： A rotation detecting device includes a member to be detected, and a sensor section arranged opposite the member to be detected. The sensor section includes two magnetic sensors, each including a detecting portion to detect a magnetic field produced from the member to be detected, with the detecting portions of the sensors being arranged in such a manner as to overlap each other in an opposite arrangement direction of the sensor section and the member to be detected, and a housing provided to cover the sensors together, and including an opposite surface to the member to be detected. The detecting portion of one of the sensors, which is arranged in a side of the sensor section close to the member to be detected, is arranged in such a manner as to be inclined with respect to the opposite surface of the housing.

公开(公告)号：US11221345B2

公开(公告)日：2022-01-11

申请号：US16623506

申请日：2018-06-20

申请人： KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH

发明人： Michael Blessing ,  Andre Kluftinger

IPC分类号： G01P1/02 ,  G01P3/48 ,  G01P3/487

摘要： An apparatus of a rotary pulse encoder and a sleeve, including: a rod-shaped rotary pulse encoder; and a clamping sleeve; in which the rod-shaped rotary pulse encoder and the clamping sleeve are in a bore of a holder for sensing a rotational speed of a rotor, in which the clamping sleeve is positioned in the bore so as to be secured against rotation, and the rotary pulse encoder is friction-locked in the clamping sleeve with a sensor head so as to be axially displaceable, in which the sensor head has a non-cylindrically symmetrical cross-section at least in sections, and the clamping sleeve has at least one inwardly facing position-setting element, by which the sensor head is arranged in the clamping sleeve so as to be secured against rotation.

公开(公告)号：US11183070B2

公开(公告)日：2021-11-23

申请号：US16751647

申请日：2020-01-24

申请人： Gatekeeper Systems, Inc.

发明人： Scott J. Carter ,  Stephen E. Hannah ,  Jesse M. James ,  Narayanan V. Ramanathan

IPC分类号： G08G1/00 ,  B60T7/18 ,  G01P3/48 ,  G01S5/00 ,  B62B3/14 ,  G01C21/12 ,  G06Q10/06 ,  G01S5/14 ,  G01S5/02 ,  G01S11/06 ,  B60T7/12 ,  B62B5/04 ,  G01C21/20 ,  G01H11/08 ,  G05D1/02 ,  B62B5/00 ,  G06Q10/00 ,  G08B29/24 ,  G08B21/02 ,  G08B13/14 ,  G01C17/00 ,  G01P3/02

摘要： Examples of systems and methods for locating movable objects such as carts (e.g., shopping carts) are disclosed. Such systems and methods can use dead reckoning techniques to estimate the current position of the movable object. Various techniques for improving accuracy of position estimates are disclosed, including compensation for various error sources involving the use of magnetometer and accelerometer, and using vibration analysis to derive wheel rotation rates. Also disclosed are various techniques to utilize characteristics of the operating environment in conjunction with or in lieu of dead reckoning techniques, including characteristic of environment such as ground texture, availability of signals from radio frequency (RF) transmitters including precision fix sources. Such systems and methods can be applied in both indoor and outdoor settings and in retail or warehouse settings.