Salvage method for turbocharger bearing housing

Details Salvage method for turbocharger bearing housing Salvage method for turbocharger bearing housing

1992-07-13

1994-03-22

Rosenbaum, Mark

Metal working

Scale remover or preventor

Scraper or scalper

2940206, 2940211, 2940219, 2940221, 298892, 2989801, B23P 600

Patent

active

052953009

ABSTRACT:
A salvage method for a turbocharger bearing housing includes the steps of removing the bearing housing from the turbocharger, setting up the bearing housing on a lathe and machining the worn or damaged surfaces at one end of the bearing housing where such damage has been caused by the turbocharger heat shield. Once the metal is removed from the worn or damaged portions of the bearing housing a salvage sleeve having a hollow, generally cylindrical shape is pressed down onto the prepared surfaces of the housing. Since the assembly of the salvage sleeve to the machine bearing housing will be an interference fit, the salvage sleeve is heated so that it can slide freely onto the machined outside diameter of the bearing housing. Once the sleeve cools and the interference fit is established, the salvage sleeve is machined so as to reestablish the original dimensions of the turbocharger bearing housing prior to becoming worn or damaged.

REFERENCES:
patent: 1900682 (1933-03-01), Alcott
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patent: 4414725 (1983-11-01), Breitweiser et al.
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patent: 4460284 (1984-07-01), Lauterbach et al.
patent: 4560325 (1985-12-01), Yoshioka et al.
patent: 4691423 (1987-09-01), Willyard, Jr. et al.
patent: 4852236 (1989-08-01), Emery et al.
patent: 4969805 (1990-11-01), Romeo

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