Feedback air pressure sensing system
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United States of America Patent
Stats
-
Aug 15, 1995
Grant Date -
N/A
app pub date -
Jun 23, 1994
filing date -
Jan 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A feedback air pressure sensing system is described, for use with spray guns, comprising an air pressure feedback line (1), an air regulator (2) with an air cap (3). Air is supplied from air line (4) via regulator (2) to a dual air-feedback valve (5) operated by trigger (6). Air continues along line (7) to spreader control valve (8) supplying fan air to spray gun cap (3). Air is also fed via line (9) to supply atomising air to air cap (3). The regulator (2) comprises a body (13), an inlet (16) for a main air supply to first (14) and second (15) air chambers, an inlet for feedback air to a third air chamber (26), a diaphragm (19) between outlet chamber (25) and a pilot chamber (27), the diaphragm (19) being supported in the regulator body (13) by a spring-loaded valve (18), and spring loaded adjustment means (24).
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