Mobile paint sprayer - with multiple paint feeds controlled by pneumatic valves and deformable membrane control

摘要

The paint sprayer has a body (2) and a head (3) carried by it. The head has the spray proper (32) and is connected to a feed system with multiple circuits of paint (40-49). There is also a solvent feed circuit (50) and each circuit has a pneumatic valve (401-502). The body has a single regulator (28), comprising two chambers separated by a deformable membrane. One chamber is for paint and solvent and the other is for control fluid. There is a hole for solvent and a needle to control flow through it.