Rotor sliding-vane machine

F - Mech Eng,Light,Heat,Weapons – 04 – C

Patent

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Details

F04C 2/344 (2006.01)

Patent

CA 2606096

A rotor sliding-vane machine comprises a rotor including working (1) and supporting parts (4) connected via force chambers (6) of variable length so that they rotate synchronously with a possibility of little reciprocal axial movements and tilts. The vanes (8) are located in vane chambers (7) of the working part (1) of the rotor and when the rotor is rotating they cyclically change the degree of protrusion into the annular groove (2) made on the face surface of the working part of the rotor. Between the supporting cover plate (5) of the housing and supporting part of the rotor there are supporting cavities hydraulically connected via the means of local pressures balancing to the force chambers of variable length and cavities of the working chamber in the annular groove of the working part of the rotor. Supporting cavities and force chambers of variable length are made so that pressure forces of the working fluid contained in the force chambers significantly balance pressure forces of the working fluid forcing out the working and supporting parts of the rotor from the working and supporting cover plates of the housing providing just a small tightening required for insulation.

Cette machine à palettes coulissantes de rotor comprend un rotor comprenant des pièces de travail (1) et des pièces de support (4) connectées via des chambres de force (6) de longueurs variables de sorte qu'elles puissent tourner de manière synchrone avec une possibilité de petit déplacement axial en va-et-vient et des inclinaisons. Les palettes (8) sont situées dans des chambres de palettes (7) de la pièce de travail (1) du rotor et lorsque le rotor tourne elles changent cycliquement de degré de saillie dans la fente annulaire (2) fabriquée sur la surface de la pièce de travail du rotor. Entre la plaque de recouvrement de support (5) du boîtier et la pièce de support du rotor des cavités de support sont constituées hydrauliquement connectées via l'organe d'équilibre de pressions locales aux chambres de force de longueur variable et aux cavités de la chambre de travail dans la fente annulaire de la pièce de travail du rotor. Des cavités de support et des chambres de force de longueurs variables sont constituées de sorte que les forces de pression du fluide de travail contenu dans les chambres de force équilibrent de manière importante les forces de pression forçant les pièces de travail et de support du rotor en provenance des plaques de recouvrement et de support du boîtier fournissant juste un petit resserrement requis pour l'isolation.

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