发明名称 |
Apparatus and method for measuring the circularity and eccentricity of a brake drum while mounted upon a vehicle |
摘要 |
An apparatus and method for measuring the circularity of a brake drum while the brake drum is mounted upon a vehicle. The apparatus includes a linear voltage displacement transducer mounted upon a stationary portion of the vehicle. The transducer senses the variation of the braking surface and generates a signal proportional thereto. The apparatus also includes an optical encoder that generates a signal indicative of the angular position of the drum. The transducer and encoder are connected to a central processing unit which receives the transducer and encoder signals. The drum is rotated through a plurality of complete revolutions while the central processing unit combines the transducer and encoder signals to generate a set of data points. The central processing unit operates upon the data points to determine the circularity of the braking surface.
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申请公布号 |
US5485678(A) |
申请公布日期 |
1996.01.23 |
申请号 |
US19940290333 |
申请日期 |
1994.08.15 |
申请人 |
KELSEY-HAYES COMPANY |
发明人 |
WAGG, THEADORE J.;CLARK, JAMES K.;SPORZYNSKI, ROBERT S. |
分类号 |
G01B7/28;(IPC1-7):G01D21/00 |
主分类号 |
G01B7/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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