Pneumatic spraying apparatus and method

Details Pneumatic spraying apparatus and method Pneumatic spraying apparatus and method

1992-07-02

1993-06-08

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Processes

Including mixing or combining with air, gas or steam

239 61, 239332, 418266, B05B 904, B05B 700

Patent

active

052171604

ABSTRACT:
A pneumatic spraying apparatus and method of operation is disclosed for controlling the flow of pressurized air and fluid material through a spray gun. A material pump is driven through a ratio multiplier by an air motor which is operated by a source of pressurized air. A discharge port in the air motor is connected by an air hose to the gun through a control valve leading to a chamber from which the material is sprayed by air pressure downstream of the valve. Selective operation of the valve controls the downstream air pressure and air flow rate through the gun which in turn modulates air motor speed and torque by controlling the rate of air flow and pressure from the discharge port. This in turn controls the pump speed through the action of the ratio multiplier.

REFERENCES:
patent: 2558681 (1951-06-01), Hachmeister
patent: 3018968 (1962-01-01), Levey
patent: 3322351 (1967-05-01), Hackel
patent: 4789145 (1988-12-01), Wenrich
patent: 4822644 (1989-04-01), Krueger
patent: 4878619 (1989-11-01), Norman
patent: 4878621 (1989-11-01), Krueger
Goldblatt 1990 Catalog pp. 54-55.

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