Patent · US Active

Gas injector having two sealing regions

US9909537B2 · kind B2 · utility

1Cited by

4References

11Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Raed Hamada · Stuttgart, DE
Felix Jaegle · Ditzingen, DE
Joerg Schoefer · Gerlingen, DE

Key dates

Filing date	Mar 23, 2015
Grant date	Mar 6, 2018
Priority date	—
Expiry date	Dec 10, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/30
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A gas injector, for injecting gaseous fuel, includes a valve body having a first valve seat and a second valve seat, and a closing element, which has a first sealing region, a second sealing region, a hollow region, which is delimited by a bottom and a wall, and an outlet opening configured in the bottom, the first valve seat sealing at the first sealing region, and the second valve seat sealing at the second sealing region, and at least one through opening being provided in the wall of the closing element, so that the gaseous fuel is able to be expelled both from the inner hollow region and the outer region of the closing element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.