Patent ID: 6443670
Filing Date: 2002-09-03
Classification: B05B

Abstract:
Coating equipment, comprising:a container for containing a coating material; an injector communicated with said container; a conveyance-air line and at least one supplemental air line connected to said injector and supplying conveyance air and supplemental air, respectively, to said injector for pneumatically sucking the coating material from said container into said injector and moving the sucked coating material toward an object to be coated; a plurality of throttles each mounted in one of the conveyance-air line and the at least one supplemental-air line and equipped with an adjustment motor for adjusting a cross section of said throttle, and hence, an air flow of said line; and an electronic control unit that electrically and mutually adjusts the adjustment motors of all said throttles as a function of a setpoint of a volumetric total air flow of the conveyance air and the supplemental air, and as a function of a setpoint of a material rate at which the coating material is to be applied to said object.