Fuel injector remanufacturing method and remanufactured fuel...

Details Fuel injector remanufacturing method and remanufactured fuel... Fuel injector remanufacturing method and remanufactured fuel...

2011-07-26

2011-07-26

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Valve or choke making

C029S890142, C029S890143, C029S402180, C029S402060, C029S402070, C029S402040

Reexamination Certificate

active

07984550

ABSTRACT:
A remanufacturing and salvaging strategy for fuel injector tips such as high flow fuel injector tips includes blocking a first set of spray orifices in the fuel injector tip, including at least partially filling the first set of spray orifices with a material, for example by laser welding. New spray orifices are formed in virgin material of the fuel injector tip, offset from the former spray orifices, also for example via a laser. A remanufactured fuel injector tip includes blocked former spray orifices as well as new spray orifices configured to permit spraying of fuel from the fuel injector tip.

REFERENCES:
patent: 4069978 (1978-01-01), El Moussa
patent: 4601086 (1986-07-01), Gerlach
patent: 6434822 (2002-08-01), Perry et al.
patent: 6601300 (2003-08-01), Hasegawa et al.
patent: 2002/0070296 (2002-06-01), Perry et al.
patent: 2007/0084906 (2007-04-01), Vargas et al.

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