F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 18/344 (2006.01)
Patent
CA 2575890
The invention relates to a blade (20) for a single-blade vacuum pump comprising a bowl-shaped housing (12) which is provided with a rotor (18) eccentrically and rotatably mounted therein, wherein the blade (20) is movably and orthogonally mounted with respect to a rotational axis (21), abuts on the inner circumferential surface of the housing by the free ends thereof (36) and is provided with a closed surface which extends in the direction of inner circumferential surface (34) and is formed by an external wall (32). Said invention is characterised in that the core of the blade (20) has a framework structure (38) enclosed by said external wall (32).
L'invention concerne une ailette (20) pour pompe à vide à une seule ailette, comprenant un bâti en forme générale de pot (12) et équipée d'un rotor (18) monté excentrique et rotatif dans le bâti. L'ailette (20) est montée déplaçable dans le rotor (18), perpendiculairement à l'axe de rotation (21) et prend appui, par ses extrémités libres (36), sur la face périphérique interne du bâti. L'ailette (20) présente, en direction de la face périphérique interne (34), une surface fermée, la surface étant formée par une paroi externe (32). L'invention est caractérisée en ce que le noyau de l'ailette (20) présente une structure en treillis (38) qui est entourée par ladite paroi externe (32).
Pfitzer Friedhelm
Schneider Willi
Thoma Martin
Joma-Hydromechanic Gmbh
Porat Alex
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