Fuel rail assembly providing connection to a fuel injector
US10801457B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2019 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Jul 3, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/856
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel rail assembly includes a fuel rail having a main conduit with a main fuel passage and a distribution conduit extending away from the main conduit and having a distribution passage extending therethrough which is in fluid communication with the main fuel passage, the distribution conduit having a distribution conduit primary threaded section, a distribution conduit secondary threaded section, and a distribution conduit sealing surface located axially between the distribution conduit primary threaded section and the distribution conduit secondary threaded section. A primary sealing nut threadably engages the distribution conduit secondary threaded section and a secondary sealing nut threadably engages the distribution conduit secondary threaded section. A sealing ring is located within a counterbore of the primary sealing nut or the secondary sealing nut such that the sealing ring circumferentially and sealingly surrounds the distribution conduit sealing surface and a sealing engages a sealing surface of the counterbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.