Solvent supply for paint sprayer

Details Solvent supply for paint sprayer Solvent supply for paint sprayer

1994-10-03

1998-01-20

Edwards, Laura

Coating apparatus

Projection or spray type

With projector heating, cleaning or conditioning

134166R, 134167C, 134168C, 137501, B05B 1700

Patent

active

057097496

ABSTRACT:
A cleaning apparatus (10) for removing residual paint from flow passages in a spray painting system comprises a flow passage (12) for conveying paint to a spraying device (14) and a manifold (16) defining a plurality of individual inlets (17) into the flow passage. At least two different paints are supplied to the manifold through the inlets. A solvent supplier (20) supplies a variable pressure and variable volume flow of solvent to the manifold (16) during a cleaning cycle to remove residual paint from the manifold and the flow passage (12) after a completed painting cycle to prepare for a new cycle. The assembly is characterized by including a constant volume flow controller (22) for maintaining a constant volume flow of solvent upstream of the manifold (16) independent of solvent pressure fluctuations.

REFERENCES:
patent: 3572366 (1971-03-01), Wiggins
patent: 4403736 (1983-09-01), Scharfenberger
patent: 4828218 (1989-05-01), Medlock
patent: 4881563 (1989-11-01), Christian
patent: 4993353 (1991-02-01), Ogasawara et al.
patent: 5074237 (1991-12-01), Ogasawara

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