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US 4,511,254 AGranted
Cavitators
OwnerHenry North, William R. Fauconnierinventors
Life of this patent
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OwnerHenry North, William R. Fauconnierinventors
Estimating the term…
A cavitator comprising a cavitator plate mounted within a container is vibrated by an oscillator comprising a mechanically rotatable eccentric body to provide low frequency high power vibration. A mechanical linkage between the oscillator and the cavitator plate is tuned so that the frequency of oscillation matches the natural frequency of vibration of the linkage. The tuning can be achieved by modifying the length of the linkage or by choosing the necessary properties of the linkage or by varying the frequency of vibration of the oscillator. Various possible linkages include a pipe formed in sections, an elongated beam supported at its nodes, an annular pipe, and a pipe arrangement with overlapping section. The arrangement is of particular advantage when used with complex cavitator plates including vanes, paddles or rods or when using a cage grinder incorporating a plurality of balls for acting upon the material.
A cavitator comprising a chamber, means for admitting and removing fluid material from the chamber, a cavitator plate having opposed cavitator surfaces, means mounting the cavitator plate within the chamber so as to expose both said surfaces to fluid material in said chamber, (for oscillatory movement therein,) high power sonic frequency oscillation means including an eccentric member and means for rotating the member about an axis to produce oscillatory movements and mechanical interconnection means for communicating the oscillatory movement to the cavitator plate (.) whereby said plate causes cavitation of said fluid material, said communicating means having a natural frequency of vibration dependent upon its mechanical construction, the frequency of the oscillatory movement and the natural frequency being arranged such that one is substantially a whole number multiple of the other.
A cavitator comprising a chamber, means for admitting and removing fluid material from the chamber, a cavitator plate having opposed cavitator surfaces, means mounting the cavitator plate within the chamber so as to expose both said surfaces to fluid material in said chamber, high power sonic frequency oscillation means including an eccentric member and means for rotating the member about an axis to produce oscillatory movements and mechanical interconnection means for communicating the oscillatory movement to the cavitator plate whereby said plate causes cavitation of said fluid material, said communicating means having a natural frequency of vibration dependent upon its mechanical construction, the frequency of the oscillatory movement and the natural frequency being arranged such that one is substantially a whole number multiple of the other, wherein the communicating means comprises a donut shaped tubular body having said oscillator attached to an outer edge thereof and said cavitator plate attached to a radially opposed outer edge thereof.
Dependencies are inferred from the claim text.