Measuring and testing – With fluid pressure – Dimension – shape – or size
Patent
1975-08-04
1977-01-11
Queisser, Richard C.
Measuring and testing
With fluid pressure
Dimension, shape, or size
73149, G01M 336
Patent
active
040020541
ABSTRACT:
A method and means for hydrostatically testing the expansion of a vessel immersed in a fluid-filled jacket when subjected to an internal pressure to thereby determine total expansion and permanent expansion of the vessel. A conical pan is suspended from the sensing element of an electronic balance and means are provided for conducting fluid from the jacket to and from the conical pan without physically contacting the same. When pressure is applied to the vessel, the fluid expelled from the jacket is conducted into the pan, the electronic balance providing an indication of the total volumetric change in the vessel. When the pressure is released from the vessel, the fluid is conducted from the pan back into the jacket whereupon the electronic balance provides an indication of the permanent volumetric expansion. A spring suspends the pan from the electronic balance, the spring having a modulus of deflection which permits the fluid level in the pan to remain substantially constant as fluid is added to and removed therefrom.
REFERENCES:
patent: 2414113 (1947-01-01), Mapes
patent: 2539843 (1951-01-01), Kerr
patent: 3230760 (1966-01-01), Fryer, Jr. et al.
patent: 3365933 (1968-01-01), Jorgensen et al.
patent: 3534587 (1970-10-01), Grenci
patent: 3545262 (1970-12-01), Steele et al.
patent: 3613436 (1971-10-01), Drake et al.
patent: 3926036 (1975-12-01), Bower
Hinderstein Philip M.
Queisser Richard C.
Roskos Joseph W.
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