公开(公告)号：US12130225B2

公开(公告)日：2024-10-29

申请号：US17742558

申请日：2022-05-12

申请人： GM Cruise Holdings LLC

发明人： Nathaniel Barrett Herse ,  Wesley Newhouse

IPC分类号： G01N19/02

CPC分类号： G01N19/02

摘要： The disclosed technology provides solutions for measuring seal characteristics and in particular, for precisely measuring frictional characteristics of a rotary seal. In some aspects, a seal testing apparatus of the disclosed technology can include a motor coupled to a proximal end of a shaft, a rotator coupled to a distal end of the shaft, and a housing disposed around an exterior surface of the rotator, wherein the housing is configured to removably receive at least one seal. In some aspects the seal-testing apparatus can further include a torque transducer coupled to the shaft, wherein the torque transducer is configured to measure a torque output of the motor.

公开(公告)号：US12130213B2

公开(公告)日：2024-10-29

申请号：US17756905

申请日：2020-12-04

申请人： GIBLI TECH INCORPORATED

发明人： Benjamin Simon Bschaden ,  Mark Ernsting ,  Jacob William Gaucher

IPC分类号： G01M9/06 ,  G01N19/02

CPC分类号： G01M9/06 ,  G01N19/02

摘要： The invention relates to a system for measuring real-time aerodynamic drag of a moving vehicle, for example, a bicycle and rider. The system comprises a processor and a non-transitory computer medium for storing data. Further, it comprises a single, compact, multi-port measurement system (MPMS) comprised of at least two differential pressure sensors electrically connected to the processor and the non-transitory computer-readable medium, wherein the processor is configured to convert a first differential air pressure from a first sensor to a wind speed, and to convert a second differential air pressure from a second sensor to a wind direction. The system further comprises a plurality of sensors for detecting forces, including barometric pressure, air temperature and relative humidity, distance, and speed, surrounding the moving vehicle. The plurality of sensors are electrically connected to the processor and the non-transitory computer-readable medium, and also store data.

公开(公告)号：US11828699B2

公开(公告)日：2023-11-28

申请号：US16978179

申请日：2019-06-21

申请人： Shanjin Optoelectronics (Nanjing) Co., Ltd.

发明人： Moon Chan Lee ,  Jeong Ho Park ,  Jin Soo Lee ,  Bu Gon Shin

IPC分类号： G01N19/02 ,  G01N19/04 ,  G02B5/30

CPC分类号： G01N19/02 ,  G01N19/04 ,  G02B5/3025

摘要： A method of quantifying whether an adhesive agent leaks from a polarizing plate and/or a degree of leakage of the adhesive agent according to an exemplary embodiment of the present invention, including: (a) preparing a polarizing plate including an adhesive layer; (b) providing the polarizing plate so that one end of the polarizing plate adjoins a guide unit; (c) moving the polarizing plate on the guide unit; (d) measuring frictional force applied between the polarizing plate and the guide unit while moving the polarizing plate; (e) deriving a determination criterion based on the measured value of the frictional force, and (f) determining whether the adhesive agent leaks from the polarizing plate and/or the degree of leakage of the adhesive agent based on the determination criterion.

公开(公告)号：US20230204491A1

公开(公告)日：2023-06-29

申请号：US18113343

申请日：2023-02-23

申请人： Apollo Intelligent Driving Technology (Beijing) Co.Ltd.

发明人： Yuelei GAO ,  Yun Zhao ,  Zhihua YU ,  Yanfu Zhang ,  Zhenmin Zhu

IPC分类号： G01N19/02

CPC分类号： G01N19/02

摘要： A method and an apparatus for determining a road surface adhesion coefficient are provided. The method includes: determining, based on M state parameters of a vehicle on a target road section, M road surface adhesion coefficient estimation results respectively corresponding to the M state parameters, M being an integer greater than 1; selecting N road surface adhesion coefficient estimation results from the M road surface adhesion coefficient estimation results according to a traveling work condition of the vehicle on the target road section, N being a positive integer smaller than or equal to M; and determining a road surface adhesion coefficient of the target road section based on the N road surface adhesion coefficient estimation results.

公开(公告)号：US11650133B2

公开(公告)日：2023-05-16

申请号：US16063698

申请日：2016-12-16

申请人： NIRA DYNAMICS AB

发明人： Thomas Svantesson ,  Andreas Myklebust

IPC分类号： B60W40/068 ,  G01N19/02 ,  B60T8/1763 ,  G01M17/02 ,  B60T8/172 ,  B60W40/12 ,  B60W50/00

CPC分类号： G01M17/02 ,  B60W40/068 ,  G01N19/02 ,  B60T8/172 ,  B60T2210/12 ,  B60T2210/30 ,  B60T2240/03 ,  B60T2250/00 ,  B60T2250/04 ,  B60T2270/86 ,  B60W40/12 ,  B60W2050/0012 ,  B60W2510/22 ,  B60W2520/10 ,  B60W2520/105 ,  B60W2520/125 ,  B60W2530/20 ,  B60W2552/40

摘要： The disclosed invention makes use of slip related values to calculate friction related values and tire stiffness related values and feeds back an estimated tire stiffness relates value or a calculated friction related as a basis for further calculations. In particular, the disclosure relates to methods, apparatuses and computer program products to achieve the mentioned objective.

公开(公告)号：US11618082B2

公开(公告)日：2023-04-04

申请号：US16955475

申请日：2018-12-18

申请人： COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

发明人： Melaine Guillou ,  Florian Bremond ,  Andre-Clement Gaucerand

IPC分类号： G01N19/02 ,  B23K26/342 ,  B23K26/354 ,  C23C26/00 ,  B28B1/00 ,  B22F10/62 ,  C04B41/50 ,  B22F10/20 ,  B22F10/66

摘要： Ground surface comprising a substrate (110) having a Young's modulus of between 100 and 1000 GPa, and in which the ground surface has, on a working surface (120), a Vickers hardness of between 1300 and 10 000 kgf/mm2, and/or a surface coating forming the working surface, in which the surface coating contains amorphous carbon and/or titanium nitride and/or chromium nitride and/or tungsten carbide.

公开(公告)号：US11525351B2

公开(公告)日：2022-12-13

申请号：US16946232

申请日：2020-06-11

申请人： Walter Phillips

发明人： Walter Phillips

IPC分类号： E21B47/007 ,  E21B47/09 ,  G01N19/02 ,  E21B19/00

摘要： An apparatus and method for measuring position and magnitude of downhole mechanical friction. The apparatus comprises sensors that reside along, or in-line with, a section of equipment that is installed or removed from a wellbore. The sensing device is configured measure relative to the wellbore during a work-over or other well intervention procedures where said section of equipment (tubing, rods, drill pipe, etc.) is installed in, or removed from, the wellbore. Recorded measurements are then processed to correct for dynamic forces to provide a measure of friction through the portions of the wellbore where said equipment travels. The sensing can be done near the source of friction, or at some distance through a mechanical connection. A method for determining depth and magnitude of downhole friction is also provided. Additionally, a method for applying the map of wellbore friction to the design and analysis of a rod actuated pump is presented.

公开(公告)号：US20220388516A1

公开(公告)日：2022-12-08

申请号：US17774652

申请日：2020-11-04

申请人： Continental Automotive GmbH

发明人： Andrea Laruelo ,  David Guerrero

IPC分类号： B60W40/068 ,  G01N19/02

摘要： A method for processing friction data for vehicle tires on road segments, implemented by a processing system including at least one computer and an interface for remote communication with a plurality of vehicles, the method including: acquiring, from the plurality of vehicles, friction data for tires of the vehicles on a plurality of road segments, each friction datum including at least: a maximum coefficient of friction available to the vehicle on the road segment, and information relating to the road segment; establishing, for each road segment, a distribution of the friction data obtained from the plurality of vehicles for the road segment; and determining a plurality of road types, each road type comprising a set of road segments, from a measurement of similarity between the distributions of friction data obtained for each road segment.

公开(公告)号：US20220381675A1

公开(公告)日：2022-12-01

申请号：US17640404

申请日：2020-09-04

申请人： ENI S.P.A.

发明人： Silvia Haiz ,  Andrea Biondi ,  Mauro Favaretto

IPC分类号： G01N19/02 ,  G01N3/08 ,  G01N33/24 ,  E21B49/02

摘要： The present disclosure relates to the drilling of oil wells and more particularly to a testing tool, a testing assembly and method for use in measuring selected rock mechanics characteristics downhole.

公开(公告)号：US20220364980A1

公开(公告)日：2022-11-17

申请号：US17663226

申请日：2022-05-13

申请人： XTPL S.A.

发明人： Szymon ZIEBA ,  Maciej TYBEL ,  Filip GRANEK

IPC分类号： G01N19/02 ,  G01N3/08

摘要： In various aspects, a method of detecting surface irregularities on or in an internal surface of a cylinder for use in a piston-cylinder assembly is disclosed. The method can include (A) fixing a position of and an orientation of a first one of the cylinder and a piston; (B) configuring a positioner and a dynamometer to move a dynamometer and a second one of the cylinder and the piston along a common longitudinal axis, the dynamometer being mechanically coupled to the second one; (C) moving the second one relative to the first one along the common longitudinal axis between a first position and a second position, the piston being located inside the cylinder at the first position and at the second position; and (D) measuring, by the dynamometer, a frictional force between the piston and the cylinder during the movement.