Turbocharger with sliding piston assembly

Details Turbocharger with sliding piston assembly Turbocharger with sliding piston assembly

2008-03-04

2008-03-04

Nguyen, Ninh H. (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C415S206000

Reexamination Certificate

active

07338254

ABSTRACT:
A turbocharger having a sliding piston assembly comprising a tubular piston disposed in the bore of the turbine housing such that the piston is axially slidable relative to the turbine housing. The piston assembly further comprises a tubular carrier inserted axially into the bore of the turbine housing surrounding the piston and fixed against axial movement relative to the turbine housing, a radially outer surface of the carrier engaging an inner surface of the bore and a radially inner surface of the carrier being slidably engaged by a radially outer surface of the piston. The carrier defines an axial split extending a length of the carrier, and the carrier is resiliently flexible. Accordingly, the axial split allows the carrier to expand and contract in diameter.

REFERENCES:
patent: 6694733 (2004-02-01), Bernardini et al.
patent: 6928816 (2005-08-01), Leavesley
patent: 7097432 (2006-08-01), Lombard et al.

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