Viscous heater

F - Mech Eng,Light,Heat,Weapons – 24 – J

Patent

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Details

F24J 3/06 (2006.01) B60H 1/03 (2006.01) F24J 3/00 (2006.01)

Patent

CA 2227712

A viscous heater which can increase the amount of generated heat without any special means of enlarging the heat generating effective region. A heater housing is made up of an intermediate housing (1), a cylindrical stator member (2), a front housing (5) and a rear housing (6). The heater housing defines therein a heat generating chamber (7) and a heat radiating chamber (water jacket) (8) around the heat generating chamber. Front and rear drive shafts (12A), (12B) and a rotor (20) are disposed in the heat generating chamber (7) to be rotatable together, while silicone oil as a viscous fluid is also sealed in the heat generating chamber (7). A plurality of grooves (31, 32) extending in the axial direction of the rotor are formed respectively on an outer circumferential surface of the rotor (20) and an inner circumferential surface of the stator member (2), the grooves serving as shearing force increasing means.

Dispositif de chauffage à fluide visqueux pouvant augmenter la quantité de chaleur produite sans recourir à un mécanisme spécial permettant d'accroître la zone efficace de production de chaleur. Un boîtier du dispositif de chauffage comprend un boîtier intermédiaire (1), un stator cylindrique (2), un boîtier avant (5) et un boîtier arrière (6). Le boîtier du dispositif de chauffage définit une chambre de production de la chaleur (7) et une chambre de refroidissement (chemise d'eau) (8) autour de la chambre de production de la chaleur. Les arbres d'entraînement avant et arrière (12A), (12B) et un rotor (20) sont placés dans la chambre de production de la chaleur (7) de manière à pouvoir tourner ensemble, alors que l'huile de silicone, utilisée comme fluide visqueux, est également scellée dans la chambre de production de la chaleur (7). Une série de rainures (31, 32) qui s'étendent dans le sens axial du rotor sont constituées respectivement sur le pourtour extérieur du rotor (20) et sur la circonférence intérieure du stator (2), ces rainures servent à augmenter la force de cisaillement.

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