Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1999-08-03
2000-11-28
Moulis, Thomas N.
Internal-combustion engines
Charge forming device
Fuel injection system
123469, F02M 3704
Patent
active
061521124
ABSTRACT:
A diesel engine fuel jumper line assembly is disclosed which provides both improved performance and ease in manufacturing. The fuel jumper line forms a loop with the fuel injector and the fuel manifold/engine block. There is an improved connection between the injector and the fuel jumper lines with positive sealing which provides for substantially enhanced sealing and more effective maintenance. The novel sealing design eliminates the prior metal-to-metal seal and has chamfer-shaped fittings. A reinforced connection in which the fuel manifold is bolted to the fuel line jumper block is also provided, which prevents fuel leaking and mixing with the lubrication oil as well as preventing lubricating oil leaking outside of the engine through the bolt hole.
REFERENCES:
patent: 3402703 (1968-09-01), Dickerson et al.
patent: 3845748 (1974-11-01), Eisenberg
patent: 5617828 (1997-04-01), Kuegel et al.
patent: 5775302 (1998-07-01), Guido et al.
patent: 5979416 (1999-11-01), Berger
Devon Marcia
Moulis Thomas N.
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