Apparatus for measuring gas density and sugar content of a bever

Details Apparatus for measuring gas density and sugar content of a bever Apparatus for measuring gas density and sugar content of a bever

1992-12-23

1994-11-29

Harvey, Jack B.

Boots, shoes, and leggings

364550, 73 1903, 73 1906, G01L 700, G01N 700

Patent

active

053696000

ABSTRACT:
An apparatus and method in which the lateral surface of a sealed container (11) containing a beverage liquid (12) is pressed (21, 22) for deformation to measure the internal pressure (P) of the container, and displacement caused by the pressure and the load (F, 31) applied by the pressure is detected (35) so that the gas density of the beverage liquid may be evaluated from these values. An ultrasonic pressure wave is applied (111) to the sealed container to measure the sugar content of the beverage from the propagation velocity of the pressure wave received by an ultrasonic receiver (112), container surface temperature and the ambient temperature resulting from sensors (121, 122) and a calculation unit (50). For simultaneously measuring the gas density and the sugar content a gas density measuring unit (220, 230, 240) and a sugar content measuring unit (290) are provided. In addition, for shaking the content of a sealed container in which the container (500) is placed in a water tank (503), an ultrasonic wave is generated from an ultrasonic shaker (501) provided at the bottom of the water tank to agitate the content of the container for uniformity.

REFERENCES:
patent: 4745794 (1988-05-01), Steichen et al.
patent: 4763525 (1988-08-01), Cobb
patent: 5220513 (1993-06-01), Seiden et al.

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