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Spraying bowl, rotary sprayer incorporating such a bowl and spraying installation incorporating such a sprayer

An injector, non-rotating technology, applied in the field of spray bowls, can solve the problems of fragile materials, difficult machining, and difficult realization

Active Publication Date: 2007-02-14
サムクレムリン
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the or each magnet used must be kept in balance in rotation, which is not easy to achieve because the materials making up the magnets do not have an isotropic density, and because such materials are brittle, it is therefore difficult to Machining

Method used

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  • Spraying bowl, rotary sprayer incorporating such a bowl and spraying installation incorporating such a sprayer
  • Spraying bowl, rotary sprayer incorporating such a bowl and spraying installation incorporating such a sprayer
  • Spraying bowl, rotary sprayer incorporating such a bowl and spraying installation incorporating such a sprayer

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Embodiment Construction

[0030] The injectors P shown in Figures 1 to 4 are supplied from one or more sources S to apply product, and for example by means of double arrows F 1 The substantially vertical movement shown displaces the opposite object to be coated O located in the system 1 in order to spray these objects. This injector P comprises an air turbine of which only the front end 1 is shown, ie the part towards the object O to be coated. This end 1 is surrounded by a shroud 2 and supports a bowl 3 rotating about the axis XX' of the rotor 11 of the turbine.

[0031] The rotor 11 can drive the bowl 3 at a speed of tens of thousands of revolutions per minute—for example, 80,000 revolutions per minute, so that the coated product from the source S through the spray pipe 18 is sprayed in the direction of the object O, as shown by the arrow F 2 expressed.

[0032] According to an advantageous aspect of the invention not shown, said injector P may be of the electrostatic type, ie comprising means for ...

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Abstract

The bowl is provided with first magnetic coupling means (4) which can cooperate with additional second magnetic coupling means (52-54) which are fixed on a non-rotary part (5) of a projector, said first (4) and second (52-54) coupling means exerting an at least partially axial effort (F3) resulting in rotational coupling of the bowl (3) to a corresponding drive element (11). The radial width (l42) of an annular or sectional surface (S42) defined by the first coupling means (4) is greater than the total radial width (l'52) of the coupling means (52-54) borne by the non-rotary part (5).

Description

technical field [0001] The invention relates to a spray bowl for a rotary sprayer for spraying coated products. The invention also relates to a sprayer for coated products comprising such a bowl and a system for spraying coated products incorporating such a sprayer. Background technique [0002] In coating product spraying systems, it is known to spray the coating product by means of a rotating element, called a bowl or a pan, provided with the coating product and rotating at a speed typically between 2,000 and 120,000 rpm. At the speeds in question, the bowl must be as light and balanced as possible so that imbalances are avoided as much as possible, especially if the means for rotational drive include air and / or magnetic bearing turbines. [0003] It is known, for example from WO-A-94 / 12286, to connect the bowl to the rotor by means of a radially expandable mounting ring. It is also known, for example from WO-A-01 / 62396, to use a magnetic coupling between the bowl and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B5/04
Inventor 卡里尔·托梅帕特里克·巴吕埃里克·普鲁斯洛朗特·吉劳德
Owner サムクレムリン