Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Patent
1996-02-26
1998-08-11
Brock, Michael
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
7386384, 73 5435, G01N 1100
Patent
active
057929424
ABSTRACT:
The present invention relates to a property determining apparatus for automatically determining in real time, properties of a slurry material such as of a sludge under treatment. The apparatus, being provided with a sampling cylinder 2, a quantitative sampling piston pair comprised of a rear piston 3 and a front piston 4, an air cylinder 5, a measurement tank 8, and a measuring means 10, is connected to a transfer pipe P and the like for a slurry material via a connecting opening 2w of the sampling cylinder 2. As a measuring operation, slurry material is first collected into the sampling cylinder 2 by a volume corresponding to the space S of the pistons 3,4 when the quantitative sampling piston pair is retracted from an initial position shown with a two-dot chain line, supplied to the measurement tank 8 when the space between the pistons are narrowed, then the properties of a slurry material is measured with the measuring means 10, and after that, the space of the pistons are returned to an original position so as to return the slurry material from the measurement tank into the sampling cylinder, and finally the quantitative sampling piston pair is returned to the original position to allow slurry material to be returned to the transfer pipe.
REFERENCES:
patent: 4269064 (1981-05-01), Johnson et al.
patent: 4544489 (1985-10-01), Campbell et al.
patent: 5003814 (1991-04-01), Crawford et al.
English language Abstract of Japanese Pat. Appln. No. 7-136700 published May 30, 1995.
Bednarek Michael D.
Brock Michael
Koei Industry Co. Ltd.
Politzer Jay L.
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