Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1997-12-23
1999-11-16
Miller, Carl S.
Internal-combustion engines
Charge forming device
Fuel injection system
123468, F02M 3704
Patent
active
059838647
ABSTRACT:
A jumper tube with improved misalignment capability comprising a cylindrically shaped receiver portion having a central bore that receives an electronically controlled hydraulically actuated unit fuel injector, an annular groove disposed adjacent each end of the bore, a resilient seal ring disposed in each annular groove, forming a seal between the injector and the bore and providing three degrees of freedom between the injector and bore, a tubular portion having an elongated passage in fluid communication with the bore and a conduit in fluid communication with an actuating fluid manifold and the elongated passage and a bolt extending through the tubular portion, the conduit portion and a portion of the actuating fluid manifold removably attaching the jumper tube to a head of an internal combustion engine.
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Chockley Scott A.
Gibson Dennis H.
Hefler Gregory W.
Shinogle Ronald D.
Stockner Alan R.
Caterpillar Inc.
Miller Carl S.
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