Optics: measuring and testing – Oil testing
Patent
1988-05-06
1989-12-12
McGraw, Vincent P.
Optics: measuring and testing
Oil testing
250225, 356364, 356366, G01N 3326, G01N 2121
Patent
active
048863548
ABSTRACT:
Apparatus for measuring the formation of crystals in a flowing liquid using a flow way that receives a flow of the liquid therethrough; wherein, the flow way includes an optical means and access for illuminating the liquid with a beam of polarized light and then imaging the illuminated liquid to qualitatively ascertain the rate and type of crystal formation within the liquid.
REFERENCES:
patent: 2668470 (1954-02-01), Fischer
patent: 2852693 (1958-09-01), Hughes et al.
patent: 3941482 (1976-03-01), Schneider
patent: 4113384 (1978-09-01), Lauer et al.
patent: 4201471 (1980-05-01), Pitt et al.
patent: 4529306 (1985-07-01), Kilham et al.
patent: 4572676 (1986-02-01), Biermans et al.
patent: 4795262 (1989-01-01), Morris et al.
Appel Marvin R.
Bittle Jerry R.
Welch Gary E.
Conoco Inc.
McGraw Vincent P.
Williams Cleveland R.
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