Rotating speed control device of a rotary type electrostatic spr

Details Rotating speed control device of a rotary type electrostatic spr Rotating speed control device of a rotary type electrostatic spr

1986-05-29

1988-02-09

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With impeller

239223, 415 16, 415 43, 324175, B05B 310

Patent

active

047237260

ABSTRACT:
A rotary type electrostatic spray painting device including a rotary shaft driven by an air turbine. A reflecting face portion and a non-reflecting face portion are formed on the rear end face of the rotary shaft. A rotating speed sensor is arranged adjacent to the rear end face of the rotary shaft to detect the rotating speed of the rotary shaft from light reflected from the reflecting face portion. The amount of pressurized air fed into the air turbine is controlled in response to the output signal of the rotating speed sensor so that the rotating speed of the rotary shaft becomes equal to a desired rotating speed.

REFERENCES:
patent: 3096494 (1963-07-01), Senard
patent: 3172263 (1965-03-01), Quick et al.
patent: 3654553 (1972-04-01), Mary et al.
patent: 4323197 (1982-04-01), Morishita et al.
patent: 4361288 (1982-01-01), Fukuda et al.
patent: 4368853 (1983-01-01), Morishita et al.
patent: 4502045 (1985-02-01), Fromm
patent: 4638155 (1987-01-01), Dorr

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