Measuring and testing – Fluid pressure gauge – With excess or maximum registering
Patent
1988-09-28
1990-06-12
Ruehl, Charles A.
Measuring and testing
Fluid pressure gauge
With excess or maximum registering
73762, 7386253, G01D 112
Patent
active
049322648
ABSTRACT:
A technique for impregnating a fluid so that the impregnated fluid retains information about the highest pressure that has ever been exerted on it. This technique is particularly useful where normal pressure measurement methods are not practical.
REFERENCES:
patent: 3469439 (1969-09-01), Roberts et al.
Hawkins Gary F.
Lhota, II James R.
Sheaffer Patrick M.
Burke William J.
Ruehl Charles A.
The Aerospace Corporation
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