Paint discharge control device

Details Paint discharge control device Paint discharge control device

1985-07-17

1990-07-03

Fox, John C.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

251 63, F16K 3112

Patent

active

049382535

ABSTRACT:
A paint discharge control device includes a housing having a paint supply port and a paint discharge port defined therein, a paint passage through which the paint supply and discharge ports communicate with each other, a diaphragm disposed in the paint passage and actuatable by air under pressure for controlling the rate of a paint flow through said paint passage, a piston slidably disposed in the housing and having a hole defined therein as part of the paint passage, and a needle valve supported in the housing and having a portion disposed in the hole in the piston. The paint passage includes a paint discharge control passageway defined between the hole and the needle valve portion. The cross-sectional area of the paint discharge control passageway can be varied in response to sliding movement of the piston in the housing.

REFERENCES:
patent: 2367106 (1945-01-01), Dolch
patent: 2854991 (1958-10-01), Webster
patent: 2970609 (1961-02-01), Beremand
patent: 3084865 (1963-04-01), Fleer et al.
patent: 3373762 (1968-03-01), Korchak
patent: 3385522 (1968-05-01), Kock
patent: 3532028 (1970-10-01), Cook et al.
patent: 4486001 (1984-12-01), Santefort et al.

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