Jumper tube with improved misalignment capability
US5983864A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1997 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Dec 23, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M55/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.