F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 18/02 (2006.01) F01C 21/10 (2006.01) F04C 23/00 (2006.01)
Patent
CA 2241669
A method and mechanism for aligning a fixed scroll member relative to a main bearing member in a scroll compressor. A shoulder is machined on the outer perimeter of a main bearing member and interfits with an arcuate lip on the fixed scroll member to thereby center the fixed scroll member. A notch is machined into the arcuate lip of the fixed scroll member and receives a projecting pin disposed on the main bearing member when the fixed scroll is assembled to the main bearing member. Relative rotation of the fixed scroll member and main bearing member brings one edge of the projecting pin into engagement with an abutment surface defining one end of the notch and thereby properly rotationally positioning the fixed scroll member. The fixed scroll member is subsequently axially secured to the main bearing member with a plurality of bolts.
Méthode et mécanisme d'alignement d'un élément de volute fixe par rapport au palier principal d'un compresseur à volute. Une épaule est usinée sur le périmètre extérieur du palier principal et est ajustée par rapport à une lèvre arquée réalisée sur l'élément de volute fixe afin de centrer ce dernier. Une encoche est usinée sur la lèvre arquée de l'élément de volute fixe et reçoit une tige en saillie située sur le palier principal lorsque la volute fixe est reliée au palier principal. La rotation relative de l'élément de volute fixe et du palier principal fait s'engager un bord de la tige en saillie avec une surface en butée définissant une extrémité de l'encoche, positionnant ainsi correctement par rotation l'élément de volute fixe. Ce dernier est ensuite fixé axialement au palier principal au moyen de boulons.
Sim & Mcburney
Tecumseh Products Company
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