Agitating – By vibration – Vibrator actuated by fluid under pressure
Patent
1985-06-21
1987-03-31
Simone, Timothy F.
Agitating
By vibration
Vibrator actuated by fluid under pressure
366600, B01F 1100
Patent
active
046539271
ABSTRACT:
A rotary air roller vibrator is depicted in which a housing has a cylindrical bore closed by two inner end plates which form a chamber. An axial shaft is fixed between these end plates and has a longitudinally disposed slot within which is slideably mounted a vane having a plurality of formed side-opening slots that are opened when the vane is lifted under the influence of pressurized air. A cylindrical rotor having an inner diameter greater than the diameter of the shaft is also sized so that the outer diameter is carried on two races pressed into place at the ends of the housing. These races are sized to prevent the rotor from striking the shaft. Each of these end plates has outer exhaust apertures arrayed in a three-quarter circle pattern and in secured position these apertures are aligned. End covers are provided, with one cover providing a cavity for receiving air from the chamber and redirecting this air through the apertures in the plates to a space outside of the moving rotor to provide an air cushion tending to lift the rotor and induce spinning. Pressurized air forces the vane against the rotor and escapes diagonally from the slots to impinge on the rotor to induce spinning and moving the rotor against the races. The escaping air flows through exhaust holes and a conductor in the shaft and into the cavity in the end cover and returns over the outside of the rotating rotor to and through apertures in a front end plate and through exhaust holes in the second cover. The motion of the rotor is continuous and produces vibration forces due to the off-center motion of the rotor.
REFERENCES:
patent: 3162426 (1964-12-01), Fontaine
patent: 3376021 (1968-04-01), Fontaine
patent: 3672639 (1972-06-01), Wadensten
patent: 3790137 (1974-02-01), Wadensten
patent: 4300843 (1981-11-01), Halilovic et al.
Roberts Ralph R.
Simone Timothy F.
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