Rotary atomizing-head type coating machine

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 5/04 (2006.01) F28D 7/10 (2006.01)

Patent

CA 2586573

A rotary atomizing-head type coating machine, wherein a paint passage (11) for flowing a paint to a rotary atomizing-head (8), a turbine air passage (14) flowing a turbine air to the turbine (7C) of an air motor (7), a discharge air passage (18) for flowing the turbine air after driving the turbine (7C) to the outside in the form of a discharge air, and a heat insulated air discharge passage (19C) of a heat insulated air passage (19) axially extending while surrounding the discharge air passage (18) and allowing hot heat insulated air to flow therein are formed in the bottom part (4B) of a housing body (4) forming a housing (3). Thus, even if the turbine air expanded in a heat insulated state and reduced in temperature flows in the discharge air passage (18), the housing (3) can be prevented from being cooled by the discharge air by flowing a heat insulated air with a temperature higher than that of the discharge air in the heat insulated air discharge passage (19C).

L~invention concerne une machine d~enduction de type à tête d~atomisation rotative, comportant un passage de peinture (11) permettant d~injecter de la peinture à une tête d~atomisation rotative (8), un passage d~air à turbine (14) assurant l~écoulement d~un air de turbine vers la turbine (7C) d~un moteur à air (7), un passage d~air de décharge (18) assurant l~écoulement de l~air de la turbine après excitation de la turbine (7C) vers l~extérieur sous forme d~air de décharge, et un passage de décharge d~air isolé thermiquement (19C) d~un passage d~air isolé thermiquement (19) s~étendant axialement en entourant le passage d~air de décharge (18) et laissant l~air chaud isolé thermiquement s~écouler dans celui-ci, ces passages étant formés dans la partie inférieure (4B) d~un corps de logement (4) constituant un logement (3). Ainsi, même si l~air de turbine dilaté dans l~état isolé thermiquement et de température réduite s~écoule dans le passage d~air de décharge (18), on peut empêcher le logement (3) de se refroidir du fait de l~air de décharge en laissant couler un air isolé thermiquement avec une température supérieure à celle de l~air de décharge dans le passage de décharge d~air isolé thermiquement (19C).

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