Driving device for a vortex mixing apparatus

Details Driving device for a vortex mixing apparatus Driving device for a vortex mixing apparatus

1992-03-11

1993-10-12

Hornsby, Harvey C.

Agitating

Mixing chamber removable from stirrer and support

Plural supports

366203, 366275, 366259, 366268, B01F 1100, B01D 6508

Patent

active

052519783

ABSTRACT:
A driving device for a vortex mixing apparatus comprises holders for holding a mixing unit of a type having at each opposite end a pumping diaphragm for imposing a pulsatile flow on a liquid passing through a primary channel in the unit. Two pistons are each arranged to cooperate with a respective one of the diaphragms and to reciprocate between a retracted position clear of the unit and an extended position in which it extends into a housing of the unit and compresses the respective diaphragm. Driving mechanisms are normally arranged to reciprocate the pistons in phase at the same frequency such that when one piston is moving from its retracted position to its extended position the other is moving from its extended position to its retracted position and vice versa. Control mechanisms are arranged, upon stopping of the driving mechanisms, to cause both pistons to adopt retracted positions so that the unit may be inserted into, and removed from the holders without interference from the pistons.

REFERENCES:
patent: 3860218 (1975-01-01), Hurlimann
patent: 4463875 (1984-08-01), Tepic
patent: 4832500 (1989-05-01), Brunold et al.

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