Scroll type fluid apparatus

Details Scroll type fluid apparatus Scroll type fluid apparatus

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 17/00 (2006.01) F01C 1/02 (2006.01)

Patent

CA 2097567

An object of the present invention is to decrease the diameter of end plate of a fixed scroll and the diameter of orbiting locus circle of an orbiting scroll, by which the inside diameter of a housing is reduced, thereby the apparatus being made compact. The constitution is such that the center P of the end plate 211 of the fixed scroll 21 lies on the straight line D starting at the wrap end point T of the outermost end of the spiral wrap 212 and passing through the involute unrolled angle position C of the base circle A and at the position shifting one-half the orbiting radius a in the direction reverse to the outermost wrap end of the spiral wrap 212.

Cette invention a pour objet de réduire le diamètre du flasque de la spirale fixe et celui-ci de l'orbite décrite par la spirale mobile, ce qui permet de réduire le diamètre intérieur du corps de l'appareil et, partant, l'encombrement de celui-ci. L'invention prévoit que le centre P du flasque 211 de la spirale fixe 21 soit sur la droite D partant de l'extrémité extérieure T de la spirale 212 et passant par le point C du cercle de base A et la position où le rayon d'orbite a est déplacé en sens inverse à l'extrémité extérieure de la spirale 212.

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