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US 12,453,980 B2Granted
Rotary coating product sprayer and method for controlling a surface temperature of such a sprayer
AssigneeExel Industries
InventorsSylvain Perinet, Denis Vanzetto
Life of this patent
Estimating the term…
Abstract
A rotary coating sprayer including a spray bowl rotating about an axis of rotation and an air turbine for driving the bowl. The turbine includes a rotor and a body forming a support for the rotor and defining at least one air feedline for a rotation chamber wherein the rotor blades are arranged. The feedline includes an intermediate chamber defined, radially to the rotation axis, between the body and a ring mounted around the body. In this way, lowering of temperature of an element of the sprayer housing due to flow of exhaust air from the turbine, is limited.
Claims15
A rotary sprayer for a coating product, comprising:
- a spray bowl rotating about an axis of rotation;
- and
- an air turbine for rotating said spray bowl about the axis of rotation, comprising:
- a rotor;
- and
- a body forming a support for said rotor, and defining at least one feedline feeding air to a rotation chamber where rotor blades are arranged, wherein the at least one feedline comprises an intermediate chamber which is defined, radially to the rotation axis, between the body and a ring mounted around this body, and wherein the ring is provided, on the inner radial surface thereof, with at least one pattern in relief configured to enhance heat exchange between air circulating inside the intermediate chamber, and the ring.
3 more elements
Dependencies are inferred from the claim text.