Non-contact vane-type fluid displacement machine with...

F - Mech Eng,Light,Heat,Weapons – 01 – C

Patent

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Details

F01C 1/344 (2006.01) F01C 21/08 (2006.01)

Patent

CA 2192585

A non-contact vane-type fluid-displacement machine includes a stator housing having an annular interior surface defining an interior bore and a rotor supported in an eccentric position in the interior bore of the stator housing relative to the annular interior surface thereof to undergo rotation relative to the stator housing about a central rotational axis. The rotor has at least one slot radially defined therein relative to the rotational axis. The machine also has at least one vane disposed in radial slot of the rotor. The vane is mounted to the rotor to undergo reciprocable movement in a radial direction relative to the rotational axis of the rotor such that an outer tip portion of the vane is maintained in a non-contacting substantially sealed relationship with the interior surface of the stator housing. Improved features of the machine relate to a plurality of low profile vane guide assemblies for positioning the vanes of the machine.

Une machine à déplacement de fluide, selon la technologie à pales sans contact, comprend un corps de stator dont la surface annulaire interne constitue un alésage interne et un rotor supporté dans un position excentrique dans l'alésage interne du corps du stator autour d'un axe de rotation central. Le rotor comporte au moins une fente formée radialement par rapport à l'axe de rotation. La machine possède au moins une pale placée dans la fente radiale du rotor. La pale est fixée au rotor de façon à subir un mouvement de va-et-vient radial par rapport à l'axe de rotation du rotor de sorte qu'une partie de l'extrémité interne de la pale soit maintenue sensiblement dans une relation d'étanchéité sans contact avec la surface interne du corps du stator. Les améliorations des caractéristiques de la machine portent sur une pluralité d'ensembles guide-pales à profil bas servant à mettre en place les pales de la machine.

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