Patent · US Active

Valve device for an internal combustion engine

US11846225B2 · kind B2 · utility

1Cited by

3References

15Claims

0Family size

Assignee

PIERBURG GMBH · DE

Inventors

Kai Sassenrath · Cologne, DE
Halim Celik · Neustädt, DE
Andreas Wehnemann · Neuss, DE
Berthold Herrmann · Heidenheim, DE

Key dates

Filing date	Jun 17, 2020
Grant date	Dec 19, 2023
Priority date	—
Expiry date	Jul 30, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A valve device for an internal combustion engine. The valve device includes an actuator which moves a valve rod, a housing with an inlet and an outlet, a valve closing member attached to the valve rod which is lowered onto and lifted off of a first valve seat, a non-return plate which is loaded via a spring force in a direction of a second valve seat, and a sealing lip which is formed on the second valve seat or on the non-return plate. The sealing lip extends from the second valve seat in a direction of the non-return plate or from the non-return plate in a direction of the second valve seat. The sealing lip is formed with a free end which is inclined in a direction of a side on which a higher pressure is applied when the non-return plate rests on the second valve seat.

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