Dispensing – Automatic control – Material level control
Patent
1982-09-23
1984-11-27
Swisher, S. Clement
Dispensing
Automatic control
Material level control
222 20, 222 56, 222205, G01F 1142, B67D 530
Patent
active
044846967
ABSTRACT:
Apparatus for automatic buretting comprises an automatic buretting actuator (1) and a burette unit (2) in the form of two separable subassemblies. The burette unit (2) is removably mounted in the actuator (1) even when filled, while remaining closed in a sealed fashion and is constituted by a burette (3) connected at its lower end to a valve (4) with three passages and three positions, provided with an actuator (5). The automatic buretting actuator (1) is constituted by a stepping motor (9) provided with a connection (10) for operating the valve (4) of the burette unit (2). An electronic control assembly (13) has a control and display panel (14). A lever (15) provides quick release of the burette unit (2).
REFERENCES:
patent: 1705940 (1929-03-01), Moisant
patent: 3143393 (1964-08-01), De Seguin des Hons
patent: 3193141 (1965-07-01), Badgley
patent: 3206072 (1965-09-01), Mencken
patent: 3491368 (1970-01-01), Debbrecht
patent: 4336000 (1982-06-01), Jorgensen et al.
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