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Vehicle tire assembly including internal inflation height and grounded pad sensor using

A sensor and tire technology, applied in vehicle parts, tire parts, tire measurement, etc., can solve problems such as limiting information type and quality, reducing system effectiveness, etc.

Pending Publication Date: 2022-03-11
FIRESTONE IND PROD COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such systems attempt to sense conditions inside the tire from outside the tire casing, which reduces the effectiveness of the system and limits the type and quality of information provided

Method used

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  • Vehicle tire assembly including internal inflation height and grounded pad sensor using
  • Vehicle tire assembly including internal inflation height and grounded pad sensor using
  • Vehicle tire assembly including internal inflation height and grounded pad sensor using

Examples

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Embodiment Construction

[0016] Turning now to the drawings, it should be understood that the illustrations are by way of illustration of examples of the disclosed subject matter and are not intended to be limiting. In addition, it should be understood that the figures are not drawn to scale and that certain features and / or portions of elements may be exaggerated for purposes of clarity and understanding.

[0017] figure 1 is a schematic diagram of one example of a vehicle V including a tire monitoring system S for monitoring tire inflation height and contact patch according to the present disclosure. Vehicle V may be a motor vehicle, a tractor or other non-motorized vehicle, or a combination of motor and non-motorized vehicles such as trailers and semi-trailers. System S includes one or more pneumatic tire assemblies T including an internal inflation height and footprint sensor module or sensor 100 according to the presently disclosed subject matter, as further described below.

[0018] System S al...

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PUM

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Abstract

The invention provides a tire assembly (T; t ') comprising a tire (TR) and a tire height and ground print sensor (100; 100') disposed at least partially within a tire chamber (C) of the tire (TR); 100 '). The sensor (100; 100 ') comprises a radar source (160) operable to direct millimeter wave radar waves in the range of 120 gigahertz (GHz) to 240 GHz towards an inner surface (ISF) of the tire (TR). The sensor (100; 100 ') further comprises a radar receiver (170) operable to generate a signal upon receiving a reflected radar wave. The processor (106; 106 '; 136; 136 '; 112, 112; 112 ') is operable to determine a distance between the radar source (160) and a target (TG) based on at least one of: (i) time of flight; (ii) a frequency phase shift. The sensor (100; 100 ') comprises an antenna (104, 104') for transmitting data to a system external to the tire chamber C. The processor (106, 106 ', 136, 136', 112, 112 ') optionally determines the size of the tire ground print (CP, CP') and / or may generate an image of the tire ground print (CP, CP ') for image pattern matching to determine the inflation and / or load status of the tire (TR).

Description

Background technique [0001] The subject matter of the present disclosure relates broadly to the field of vehicle tire assemblies that include internal inflation height and footprint sensors that operate to generate a Signals, data, information, and / or other output related to the contact patch defined between the tread of the associated tire component and the road or other supporting surface supporting the tire component. Such sensors use millimeter wave radar technology at predetermined frequencies and wavelengths and / or within predetermined frequency and wavelength ranges. Also included are tire assemblies including such millimeter wavelength radar inflation height and footprint sensors and vehicle systems including one or more of such tire assemblies. [0002] It should be understood that the presently disclosed subject matter may be particularly suited for use in connection with vehicles, including motor vehicles such as automobiles, trucks, and buses, and also non-motoriz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/06B60C23/08H01Q1/22
CPCB60C23/06B60C23/08H01Q1/22B60C23/064B60C2019/004H01Q1/2241G06T7/62G01B15/02G01S13/06G01S13/584G06T2207/30252
Inventor D·L·诺德迈尔
Owner FIRESTONE IND PROD COMPANY
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