[특허]Apparatus and method for detecting defective conditions in railway vehicle wheels and railtracks

Apparatus and method for detecting defective conditions in railway vehicle wheels and railtracks 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B61L-001/20
출원번호	US-0245711 (1994-05-05)
발명자 / 주소	Hershey John E. (Ballston Lake NY) Welles II Kenneth B. (Scotia NY)
출원인 / 주소	General Electric Company (Schenectady NY 02)
인용정보	피인용 횟수 : 54 인용 특허 : 0

초록 ▼

Apparatus for detecting defective conditions associated with a set of railway vehicle wheels and with a railtrack upon which a given railway vehicle travels comprises a rotation measurement unit for generating data indicative of rotational rate of the set of wheels; a motion sensor, such as an accelerometer or vibration sensor, for generating data indicative of motion along a vertical axis relative to the railtrack; and a data processor coupled to the motion sensor and to the rotation measurement unit for receiving the rotational rate and motion data. The data processor is designed for detecting, based on the received rotational rate and motion data, a defective condition associated with the wheel set and for detecting, based on the received motion data, a defective condition associated with the railtrack. The apparatus can be operatively combined with a mobile tracking unit for a vehicle tracking system.

대표청구항 ▼

Apparatus for detecting defective conditions associated with a set of railway vehicle wheels and with a railtrack upon which a given railway vehicle travels, said apparatus comprising: rotation measurement means for generating data substantially indicative of rotational rate of the set of wheels; a motion sensor for generating data indicative of motion at least along a generally vertical axis relative to the railtrack, said motion sensor comprising an accelerometer set positioned to measure acceleration along three mutually orthogonal axes wherein one of the three mutually orthogonal axes comprises the generally vertical axis relative to the railtrack; and a data processor coupled to the motion sensor and to the rotation measurement means for receiving the rotational rate and motion data, said data processor being adapted to detect, based on the received rotational rate and motion data, a defective condition associated with at least one wheel of the wheel set, said data processor being further adapted to process the measured acceleration from the accelerometer set to determine loading status of the railway vehicle.

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Apparatus and method for detecting defective conditions in railway vehicle wheels and railtracks 원문보기

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Apparatus and method for detecting defective conditions in railway vehicle wheels and railtracks 원문보기

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