Scroll fluid machine having tip seal member separated into different portions

A scroll fluid machine includes fixed and orbiting scrolls which define a compression chamber; a land which divides the compression chamber into first-stage and second-stage compression chambers; a wrap groove defined in a spiral shape along a tip of a fixed wrap of the fixed scroll; an intermediate...

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Bibliographische Detailangaben
Hauptverfasser: Kato, Keiya, Asami, Junichi, Fujioka, Tamotsu
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A scroll fluid machine includes fixed and orbiting scrolls which define a compression chamber; a land which divides the compression chamber into first-stage and second-stage compression chambers; a wrap groove defined in a spiral shape along a tip of a fixed wrap of the fixed scroll; an intermediate groove defined in the land; a seal member; and an intermediate seal member. The land includes a first-stage outlet in communication with the first-stage compression chamber and a second-stage inlet in communication with the second-stage compression chamber. The wrap groove includes an outer peripheral wrap groove adjacent to the land on a radially outward side and an inner peripheral wrap groove adjacent to the land on a radially inward side. The intermediate groove is in communication with the outer and inner peripheral wrap grooves. The seal member is fitted in the wrap groove except the outer and inner wrap grooves.