[특허]Low pressure and run-flat warning system for a pneumatic tire

[미국특허] Low pressure and run-flat warning system for a pneumatic tire 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60C-017/00
출원번호	US-0036611 (1979-05-03)
발명자 / 주소	Sarkissian Berge (Southington CT)
출원인 / 주소	Uniroyal, Inc. (New York NY 02)
인용정보	피인용 횟수 : 19 인용 특허 : 0

초록 ▼

A pneumatic run-flat insert for a pneumatic tire is provided with circumferential sections having different radii. During vehicle operation in a run-flat condition the different insert radii cause a vibratory disturbance at a wheel axle that alerts the driver of the existence of a run-flat condition or an abnormally low-pressure condition in the tire. During normal driving conditions there is clearance between the insert and the tire liner and no warning vibrations will occur in the wheel axle. In various embodiments of the invention the different insert radii correspond to two or more ply sections in an insert ply having different cord angles. A relatively high cord angle ply section will furnish a relatively larger radius than the ply section with a relatively low cord angle. In further embodiments of the invention a pneumatic or non-pneumatic run-flat insert includes one or more bumps on the insert crown formed of rubber strips for example that furnish the insert with an out-of-round condition that causes a similar vibrating disturbance to warn the driver of a low-tire pressure or run-flat condition.

대표청구항 ▼

A pneumatic insert for a pneumatic tire wherein the tire and insert are arranged to be supported on a wheel rim having an axis of rotation and an annular support surface, said insert comprising a generally toroidal-shaped hollow member with a pair of sidewall portions and a crown portion joining the sidewall portions, said insert further including an axis of rotation substantially coaxial with said wheel axis and an equatorial plane perpendicular to said insert axis, said insert being formed of at least one annular ply of cord material comprising at least two sections of predetermined circumferential extent joined together such that one of said sections is a continuation of the other said section, said one section having cords at a first bias angle only with said equatorial plane and said other section having cords at a second bias angle only with said equatorial plane, said first and second bias angles being dissimilar to furnish said insert crown with an out-of-round condition wherein the radial distance from the wheel axis to the insert crown at said one section is unequal to the radial distance from the wheel axis to the insert crown at said other section, said inequality being governed by the difference in bias angle of the cords in the first and second insert ply sections.

이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Dufournier, Arnaud, Alarm safety insert.
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Thompson, Ronald H., Annular ring and non-pneumatic tire.
상세보기
Bush John W. (Roseville MI), Bead lock device.
상세보기
Arnaud Dufournier FR; Fran.cedilla.ois Hottebart FR, Device for detecting vibrating signal caused by tire engaging safety insert after pressure loss in tire.
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Brewer Howell K. (4002 Aqua Ct. Dunkirk MD 20754), Low tire pressure warning device.
상세보기
Permuy Alfred,FRX ; Breneol Laurent,FRX, Method and system for detecting the vibration signature of a safety insert fitted in a tire.
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Dufournier, Arnaud, Method and system of detection of a run-flat condition of a tire; inserts, wheels and tires designed for such method and system.
상세보기
Dufournier, Arnaud; Dosjoub, Andr?, Method and system of detection of a run-flat condition of a tire; inserts, wheels and tires designed for such method and system.
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Cron,Steven M.; Pompier,Jean Pierre; Rhyne,Timothy B.; Thompson,Ronald Hobart; Demino,Kenneth W., Non-pneumatic tire.
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Blalock, Gary Lunsford; Forthofer, Matthew J., Pneumatic inner liner for a tire.
상세보기
Majumdar, Ramendra Nath; Puhala, Aaron Scott, Pneumatic tire having built-in sealant layer and preparation thereof.
상세보기
Majumdar, Ramendra Nath; Puhala, Aaron Scott, Pneumatic tire having built-in sealant layer and preparation thereof.
상세보기
Battocchio Claudio,ESX ; Dosjoub Andre,FRX, Process and devices for detection of the actuation of support of a tire on a safety bearing.
상세보기
Dufournier,Arnaud; Hottebart,Francois, Safety insert generating a transverse vibrating signal and device for sensing the tire bearing on the insert.
상세보기
Muhlhoff Olivier,FRX, Safety insert with warning function.
상세보기
Laurent Colantonio BE; Gia Van Nguyen BE, Tire deflection alarm.
상세보기
Clatworthy Michael C. (Staffordshire GB2) Mack William P. S. (Birmingham GB2) Major Douglas J. (Sutton Coldfield GB2), Tire treads and tires.
상세보기
Thompson, Roger, Wheel cover system.
상세보기
Thompson, Roger, Wheel system with deformable tire.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Low pressure and run-flat warning system for a pneumatic tire 원문보기