Fluid sprinkling – spraying – and diffusing – Including supplemental gas shaping or shielding jet – Adjustable gas flow directing or controlling means
Patent
1995-04-21
1997-07-08
Weldon, Kevin
Fluid sprinkling, spraying, and diffusing
Including supplemental gas shaping or shielding jet
Adjustable gas flow directing or controlling means
239543, B05B 126
Patent
active
056452209
ABSTRACT:
An air head (10), in particular for a spray gun, for ejecting a jet of spray medium. The air head (10) comprises a flow bush (19) and a rotationally fitted air distributor whose end wall (37) has a central flow hole (25) which is opposed by a second flow hole (26) in an end wall (42) of the flow bush (19) facing the air distributor (18) in such a way that the spray medium, preferably air and/or air-spray material mixture, which is fed to the flow bush (19) from the side (44) opposite its end wall (42) is ejected from the air distributor (18) through the two central flow holes (25, 26) as a jet (16). Further provided is a device (21) to shape the jet (16), which device (21) takes a part of the spray medium fed to the flow bush (19) in at least two rotational end positions between the flow bush (19) and air distributor (18) and directs this part onto the jet (16) obliquely to the latter's outlet direction (40) so that the jet is deformed, preferably flattened. The device (21) to shape the jet is ineffective in at least one of the rotational ranges between the rotational end positions between the flow bush (19) and air distributor (18) so that the jet (16) remains fundamentally unaffected. Bypass openings (27, 51) are provided for taking part of the spray medium fed to the flow bush (19) in the rotational range between the flow bush (19) and air distributor (18) and passes this part through the air distributor (18) to the outside such, that the jet (16) remains fundamentally unaffected (FIG. 4 ).
REFERENCES:
patent: 2102303 (1937-12-01), Bramsen et al.
patent: 2138300 (1938-11-01), Gustafsson
patent: 2261279 (1941-11-01), Pellar
patent: 2888207 (1959-05-01), Sykes
patent: 4531675 (1985-07-01), Muck
patent: 4618098 (1986-10-01), Hedger et al.
Chiron-Werke GmbH & Co. KG
Weldon Kevin
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