Measuring and testing – Brake testing – Single wheel rotating and resistance measuring means
Patent
1978-10-18
1980-04-15
Ruehl, Charles A.
Measuring and testing
Brake testing
Single wheel rotating and resistance measuring means
73146, G01L 516, G01M 1702
Patent
active
041977360
ABSTRACT:
A load cell for measuring the rolling resistance of a tire as a function of a load placed on the tire. The cell includes a block having major parallel surfaces and a centrally disposed opening through which a shaft coupled to the tire rotates. An inner hub surrounding the opening and an outer hub are connected by a plurality of beams. Each beam is defined by a first pair of bores on the periphery of the inner hub and a second pair of bores in the outer hub. The first pair of bores are connected by a recessed web portion, as is the second pair of bores. The thickness of the first web portion relative to the major surfaces of the block is greater than the thickness of the other web. A first strain gage in one bore of the second pair and a second strain gage in the other bore of the second pair sense the rolling resistance of the tire along one axis and the loading force applied to the tire along another axis, respectively.
REFERENCES:
patent: 2859613 (1958-11-01), Green
patent: 2866059 (1958-12-01), Laimins
patent: 3004231 (1961-10-01), Laimins
patent: 3075160 (1963-01-01), Starr
patent: 3546936 (1970-12-01), Tarpinian et al.
patent: 3780573 (1973-12-01), Reus
patent: 3867838 (1975-02-01), Gerresheim
patent: 3948080 (1976-04-01), Boyd
patent: 3985025 (1976-10-01), Ormond
patent: 3994161 (1976-11-01), Trozera
patent: 4023404 (1977-05-01), Brendel
GSE Inc.
Ruehl Charles A.
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