D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 3/06 (2006.01) D21F 3/10 (2006.01)
Patent
CA 2491275
An industrial roll (20) has sensors for detecting a temperature and/or pressure. The industrial roll includes, a substantially cylindrical shell (22) having an outer surface and an internal lumen; a polymeric cover (24) circumferentially overlying the shell outer surface; and a sensing system (26). The sensing system includes: a plurality of sensors (30) embedded in the cover (24), the sensors (30) configured to sense an operating parameter of the roll (20); and a signal-carrying member (28) serially connected with and extending between the plurality of sensors (30). The signal-carrying member (28) follows a helical path over the outer surface of the shell (22), wherein the signal-carrying member (28) extends over more than one complete revolution of the shell outer surface (and, preferably, an intermediate segment of the signal-carrying member (28) extends over more than a full revolution of the roll (20) between adjacent sensors (30)). Aspects of the invention advantageously facilitate the employment of a sensing system with a suction roll cover.
La présente invention concerne un rouleau industriel (20) comprenant: une coque essentiellement cylindrique (22) présentant une surface extérieure et un canal intérieur; une enveloppe polymère (24) recouvrant la surface extérieure de la circonférence de la coque; et un système de détection (26). Le système de détection comprend: plusieurs capteurs (30) incorporés dans l'enveloppe (24), ces capteurs (30) étant conçus pour détecter un paramètre opérationnel du rouleau (20); et un élément porteur de signal (28) raccordé en série et s'étendant entre les multiples capteurs (30). Cet élément (28) suit un trajet hélicoïdal sur la surface extérieure de la coque (22); il s'étend sur plus d'un tour (et, de préférence, un segment intermédiaire de l'élément porteur de signal (28) s'étend sur plus d'un tour complet du rouleau (20) entre des capteurs adjacents (30).
Smart & Biggar
Stowe Woodward Llc
LandOfFree
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