Remanufactured machine component and remanufacturing process

Details Remanufactured machine component and remanufacturing process Remanufactured machine component and remanufacturing process

2011-01-04

2011-01-04

Lee, Kevin L (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C137S315030, C029S890121, C029S402060, C029S557000

Reexamination Certificate

active

07861738

ABSTRACT:
A process for remanufacturing valve bodies, such as fuel injector valve bodies, includes regrinding a valve seat of a salvaged valve body with a grinding apparatus, and linking a center axis of the valve seat with a center axis of a guide bore for a valve which contacts the valve seat. Linking the center axis of the valve seat with the center axis of the bore includes contacting a locating element of the grinding apparatus with a locating surface on an outer diameter of the valve body during regrinding the valve seat. Locating on the outer diameter enables run-out between the axes to be inhibited during regrinding the valve seat based on concentric congruity between the locating surface and the bore.

REFERENCES:
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patent: 6339877 (2002-01-01), Straub et al.
patent: 6488263 (2002-12-01), Robert
patent: 7104273 (2006-09-01), Stafford

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