F - Mech Eng,Light,Heat,Weapons – 01 – C
Patent
F - Mech Eng,Light,Heat,Weapons
01
C
F01C 1/22 (2006.01) F01C 1/08 (2006.01) F01C 19/02 (2006.01) F01C 21/00 (2006.01) F01C 21/10 (2006.01)
Patent
CA 2517318
A rotary piston machine comprising a prismatic chamber (12) disposed in a housing (10), the cross-section of said chamber being oval-shaped. A rotary piston (22) can move in the chamber (12), the cross-section of said piston also being oval-shaped. The order of the oval of the chamber (12) is lower than the order of the oval of the rotary piston (22). The rotary piston (22) rotates alternately in successive movement sections around various axes of rotation, respectively from one stop position to the next. During rotation, the rotary piston is adjacent to the inner wall of the chamber (22) in each position, forming two working chambers (80,82). The rotary piston (22) comprises an opening with inner toothing (56).The inner toothing (56) engages with a toothed arrangement for driving the rotary movement. The opening (36) is, mathematically speaking, essentially similar to the rotary piston (22). The planes of symmetry (50,52,54) of the opening (36) coincide with those of the rotary piston (22). The toothed arrangement comprises a pair of shafts (70,72) which are fixed to the housing and provided with external toothing (74,76) which engages with the inner toothing (56) of the opening (36). In each movement section, one shaft (e.g. 70) is respectively arranged in the region of a section (28) of the opening which has a smaller radius of curvature and the other shaft (72) is arranged in the region of a section (46) having a higher radius of curvature. The shafts are actively interchangeable in successive movement sections.
L'invention concerne une machine à pistons rotatifs comprenant une chambre prismatique (12) contenue dans un logement (10), dont la coupe transversale est de forme ovale. Un piston rotatif (22) peut être déplacé dans la chambre (12), dont la coupe transversale est également ovale. L'ordre de l'ovale de la chambre (12) est inférieur à l'ordre de l'ovale du piston rotatif (22). Le piston rotatif (22) tournes de manière alternative dans des sections de mouvements successifs autour de nombreux axes de rotation, respectivement d'une position d'arrêt de la chambre (22) dans chaque position, formant deux chambres de travail (80, 82). Le piston rotatif (22) comprend un orifice doté d'un endentement (56) interne. Ledit endentement (56) s'enclenche avec un ensemble denté, ce qui permet de commander le mouvement rotatif. L'orifice (36) est, mathématiquement parlant, sensiblement similaire au piston rotatif (22). Les plans de symétrie (50, 52, 54) de l'orifice (36) coïncident avec ceux du piston rotatif (22). L'ensemble denté comprend une paire de tiges (70, 72) qui sont fixées au logement et qui sont pourvues d'un endentement externe (74, 76), lequel s'enclenche avec l'endentement interne (56) de l'orifice (36). Dans chaque section de mouvement, une tige (par exemple 70) est disposée respectivement dans la région de la section (28) de l'orifice qui présente un rayon de courbure similaire et l'autre tige (72) est disposée dans la région d'une section (46) présentant un rayon de courbure plus grand. Lesdites tiges sont interchangeables effectivement dans des sections de mouvement successifs.
Kruk Naum
Levitin Lev
Schapiro Boris
Riches Mckenzie & Herbert Llp
Rkm - Rotationskolbenmaschinen Gbr
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