Patent ID: 6190145
Filing Date: 2001-02-20
Classification: F04C

Abstract:
A scroll fluid machine in which a scroll machine proper is driven by the rotation shaft of a motor and is forced cooled by flowing a cooling gas taken in by a cooling fan in one direction, wherein;a tubular jacket surrounding at least a part of the outer circumferential surface of said motor keeping some distance from the outer circumferential surface of said motor is provided and an inlet opening for taking in cooling gas by said cooling fan is arranged;a passage connecting to the cooling space formed between the outer circumferential surface of said motor and said tubular jacket for guiding and introducing said cooling gas taken in from said inlet opening to a lateral side of said scroll machine proper in a direction crossing the longitudinal direction of said rotation shaft is composed; andsaid cooling gas flows from a lateral side to the other lateral side of said scroll machine proper and forcibly cools the back side of a scroll disk of said scroll machine proper.