Patent 7713038 was granted and assigned to Anest Iwata on May, 2010 by the United States Patent and Trademark Office.
A scroll fluid machine comprises a driving shaft in a housing. An orbiting scroll is eccentrically revolved around an eccentric axial portion of the driving shaft via a bearing. Air is introduced from outside through an intake port of a circumferential wall of the housing and directed toward the bearing by a guide to cool the bearing.