Piezoelectric gum measurement device

Details Piezoelectric gum measurement device Piezoelectric gum measurement device

1979-06-14

1980-10-14

Yasich, Daniel M.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

73 613, G01N 504, G01N 3322

Patent

active

042273986

ABSTRACT:
An improved apparatus for measuring high-boiling components and particularly existent gum levels in aviation fuel comprising: a piezoelectric crystal, a lipophobic coating applied to the crystal for controlling sample location, a supply device for applying a sample to the crystal, a heater for heating the sample on the crystal, an evacuator, an oscillator associated with the crystal for measuring the resonant frequency thereof and an insulated housing for the crystal and heater.

REFERENCES:
patent: 2505370 (1950-04-01), Sykes
patent: 3164004 (1965-01-01), King, Jr.
patent: 3253219 (1966-05-01), Littler
patent: 3260104 (1966-07-01), King, Jr.
patent: 3266291 (1966-08-01), King, Jr.
patent: 3427864 (1969-02-01), King, Jr.
patent: 3561253 (1971-02-01), Dorman
patent: 3653253 (1972-04-01), Olin
patent: 3856466 (1974-12-01), Crawford
patent: 3863495 (1975-02-01), Schulz et al.
King, Jr., W. H. Using Quartz Crystals as Sorption Detectors-part 1, in Research/Development pp. 28-34, Apr. 1969.
King, Jr., W. H. Using Quartz Crystals as Sorption Detectors-part 2, in Research/Development pp. 28-33, May 1969.

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