Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1991-09-09
1992-12-08
Myracle, Jerry W.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73161, F16B 3102
Patent
active
051687615
ABSTRACT:
This invention pertains to an automated method of testing the spring pack found in motor operated valves. It includes the steps of compressing the spring pack in a test stand while the compressive load applied and the vertical displacement occurring as a result of such loading is measured. This data is sent to a computer that records selected load measurements which correspond to pre-selected displacement values. Afterwards, this data is reported such as by a graph or other report that provides a comparison of the pre-selected displacement values with its respective compressive load.
REFERENCES:
patent: 3165926 (1965-01-01), Orr et al.
patent: 3285065 (1966-11-01), Ragen et al.
patent: 4157033 (1979-06-01), Shereda et al.
patent: 5000040 (1991-03-01), Charbonneau et al.
patent: 5088333 (1992-02-01), Kiely et al.
Hinant John G.
Honig Harry
Servas Albert J.
B&W Nuclear Service Company
Edwards Robert J.
Hoelter Michael L.
Myracle Jerry W.
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