Internal bubble cooling control system and method

Details Internal bubble cooling control system and method Internal bubble cooling control system and method

B - Operations, Transporting

29

C

B29C 47/92 (2006.01) B29C 47/88 (2006.01) F16K 3/26 (2006.01) F16K 15/02 (2006.01)

Patent

CA 2433010

An internal bubble cooling air control system in a blown film apparatus has sensors (48a, 48b, 52a, 52b) arranged to increase response time and reduce interference, and includes a high speed valve (46) for fast actuation of air flow from a controller (44) in response to signals received from the sensors (48a, 48b, 52a, 52b).

L'invention concerne un système de régulation d'air de refroidissement interne de la bulle dans un appareil de feuille soufflée, qui comporte des détecteurs conçus pour augmenter le temps de réponse et réduire les interférence, ainsi qu'une soupape à grande vitesse pour un déclenchement rapide d'un flux d'air d'un contrôleur en réponse à des signaux reçus des détecteurs.

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