Caterpillar Inc.

Borgwarner Inc.

Robert C Lancaster

Richard E Annati

Michael Bucking

Paul K Anschel

David Ronald Adair

A compressor assembly is disclosed. The compressor assembly may have a compressor housing. The compressor assembly may also have a compressor impeller disposed within the compressor housing. Further, the compressor assembly may have a bearing housing attached to the compressor housing. The compressor assembly may also have a diffuser ring disposed between the compressor housing and the bearing housing. In addition, the compressor assembly may have at least one tab. The tab may extend radially outward from the diffuser ring. The tab may be configured to engage with a recess in the compressor housing. The compressor assembly may also have at least one fastener. The fastener may be configured to attach the diffuser ring and the compressor housing.

Compressor assembly having a diffuser ring with tabs

A restraint system () for a vaned diffuser () of a turbocharger () or other fluid boosting device is provided that can reduce or eliminate losses. The system () uses a structure to provide both a pressure load on the vaned diffuser () and a seal for the vaned diffuser (). The structure can be a fluoroelastomer O-ring (). The O-ring () can be positioned at least partially in a channel () formed in at least one of the diffuser ring ('), the compressor housing () and the center housing ().

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Indianapolis, IN, United States of America

Robert C Lancaster