Rotary positive-displacement fluid machine

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

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F01C 1/44 (2006.01)

Patent

CA 2220692

A rotary machine has a rotor (450) eccentrically mounted in a casing and having a plurality of vanes (206) connected to oscillating arms (209) via cranks (208), the cranks having elements (400, 401) pivotally embracing a radial outer end of arm (209). The arms (209) can be radial. The rotor (450) has outer axial parts (457, 458) connected to intermediate part (450) by grooves (453) and rings (452) resisting radial expansion. The rotary machine can be used in a fuel-injected engine for example to derive energy from the difference in air pressure between ambient and the inlet manifold.

Une machine rotative comporte un rotor (450) monté de façon excentrique dans un carter et pourvu d'une pluralité de pales (206) raccordées à des bras oscillants (209) par l'intermédiaire de manivelles (208) qui sont dotées d'éléments (400, 401) qui englobent de manière pivotante une extrémité externe radiale du bras (209). Les bras peuvent être radiaux. Le rotor (450) possède des parties externes radiales (457, 458) raccordées à une pièce intermédiaire (450) par des rainures (453) et des anneaux (452) résistant à une extension radiale. La machine rotative peut être utilisée dans un moteur à injection pour tirer, par exemple, l'énergie provenant de la différence de pression entre l'air ambiant et le collecteur d'admission.

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