[특허]Runout compensation in vehicle wheel alignment measuring apparatus

Runout compensation in vehicle wheel alignment measuring apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01B-011/26
출원번호	US-0889167 (1978-03-23)
발명자 / 주소	Lill Melvin H. (San Jose CA) Wiederrich James L. (Lodi CA)
출원인 / 주소	FMC Corporation (San Jose CA 02)
인용정보	피인용 횟수 : 27 인용 특허 : 0

초록 ▼

In certain wheel alignment measuring apparatus, a fixture is clamped to the rim of a wheel and an alignment sensor is pendulously mounted upon the fixture so that as the wheel is rotated the sensor will not rotate with the fixture. However, since the plane of the fixture is not necessarily parallel to the plane of the wheel the sensor may oscillate relative to the ground surface as the wheel is rotated-a condition known as “runout”which results in sensor reading errors. This is corrected by rotating the fixture to three separate rotative positions and recording the sensor readings at each such position. Circuitry is provided for determining the true alignment of the wheel by calculating the amount of the runout error at the final rotative position of the wheel and correcting the sensor reading by this amount.

대표청구항 ▼

In a method of correcting for alignment measuring instrument runout error wherein the measuring instrument is installed on a vehicle wheel, said measuring instrument comprising a fixture that is detachably mounted on said wheel, sensor means on said fixture for detecting the angular inclination of said fixture, and signal means responsive to said sensor means for providing signals proportional to the angular inclination of said fixture in a selected alignment plane, said method comprising the obtaining of a fixture inclination signal from the signal means at a particular rotative position of the wheel, determining the runout error of the wheel at said rotative position of the wheel, and adding or subtracting a signal corresponding to said runout error from a fixture inclination signal at said rotative wheel position to obtain a true inclination signal for said wheel at said rotative position; the improvement comprising the steps of obtaining the fixture inclination signal from said signal means at a first rotative position of the wheel, rotating the wheel to a second position and obtaining the fixture inclination signal from said signal means at said second rotative position of the wheel, rotating the wheel to a third position and obtaining the fixture inclination signal from said signal means at said third rotative position of the wheel, and computing the runout error of the sensor means at said third rotative position based on said fixture inclination signals from the first, second and third rotative positions of the wheel.

이 특허를 인용한 특허 (27)

Jackson David A. ; Christian Donald J. ; Shroff Hoshang ; Jackson Bernie F., Apparatus and method for determining axial stability.
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Klarer, John D., Apparatus and method for maintaining wheel alignment sensor runout compensation.
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Klarer,John D., Apparatus and method for maintaining wheel alignment sensor runout compensation.
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Dietrich Adolph DE, Axle measuring device and method.
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Jackson, David A.; Glickman, Stephen L., Calibration and operation of wheel alignment systems.
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DeLuca George M. (7424 W. 100th St. Bloomington MN 55438), Four-wheel alignment and measuring tool.
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Michael T. Stieff ; Timothy A. Strege ; James W. McClenahan, Method and apparatus for calibration of no-compensation and universal wheel adapters utilized in vehicle wheel alignment procedures.
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Jackson Bernie Fergus, Method and apparatus for determining the alignment of motor vehicle wheels.
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Jackson Bernie Fergus, Method and apparatus for determining the alignment of motor vehicle wheels.
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Jackson Bernie Fergus, Method and apparatus for determining the alignment of motor vehicle wheels.
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January Daniel B., Method and apparatus for determining wheel alignment optical target orientation parameters.
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Gerdes, Michael D.; Olsen, Michael A.; Colarelli, III, Nicholas J.; Wise, Matt; Friton, Gerry E., Method and apparatus for resurfacing brake rotors.
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Gerdes, Michael D.; Olsen, Michael A.; Colarelli, III, Nicholas J.; Wise, Matt; Friton, Gerry E., Method and apparatus for resurfacing brake rotors.
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Uwe Kugel DE; Helmut Reichelt DE; Ludger Willenbrink DE, Method for determining a component-specific wobble component within a multi-part assembly of parts, and master part for carrying out the method.
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Burns, Leigh R.; Stieff, Michael T.; McClenahan, James W., Method for rolling compensation with wheel-mounted sensors.
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Marron Gerald I. (Springfield PA), Method of providing a visual representation of the runout of a shaft.
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Cunningham, Charles L.; Carpenter, David M., On car brake lathe aligning apparatus.
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Colarelli Nicholas J. ; Larson Timothy A., Three-dimensional virtual view wheel alignment display system.
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Hedahl Richard N. (Bismarck ND), Truck wheel clamp.
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Rogers, Steven W., Vehicle wheel alignment system and methodology.
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Rogers, Steven W., Vehicle wheel alignment system and methodology.
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Rogers, Steven W., Vehicle wheel alignment system and methodology.
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Rogers,Steven W., Vehicle wheel alignment system and methodology.
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Rogers,Steven W., Vehicle wheel alignment system and methodology.
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Colarelli ; III Nicholas J. (St. Louis County MO), Vehicle wheel alignment transducer, system and method.
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Davidson,Niall; Dale, Jr.,James L.; Bryan,Eric, Wheel alignment with surface-oriented runout determination.
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Hirano,Akira; Kamoshita,Takashi, Wheel runout measuring method.
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IPC	Description
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

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Runout compensation in vehicle wheel alignment measuring apparatus 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (27)

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Runout compensation in vehicle wheel alignment measuring apparatus 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (27)

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