Patent · US Active

Butterfly valve assembly, in particular for a gas flow in a fuel cell system

US12313165B2 · kind B2 · utility

0Cited by

4References

13Claims

0Family size

Assignee

Purem GmbH · DE

Inventors

Markus Lory · Stuttgart, DE
Matthias Grün · Altbach, DE
Andreas Wacker · Plochingen, DE
Jochen Hammer · Stuttgart, DE

Key dates

Filing date	Aug 10, 2023
Grant date	May 27, 2025
Priority date	—
Expiry date	Aug 21, 2043

Classification

Technology area (CPC H)Electricity
CPC primaryH01M2250/20
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A butterfly valve assembly includes a butterfly valve housing which provides a gas flow channel and a butterfly valve adjustable in the butterfly valve housing between a closed position and an open position for a passage of flow. The butterfly valve assembly has a disk-shaped butterfly valve element supported on a pivot shaft rotatable about a pivot shaft axis. The pivot shaft has a first pivot shaft end portion provided for coupling to a pivot shaft drive, and in a first bearing region being supported rotatably about the pivot shaft axis on the housing, and a second pivot shaft end portion, in a second bearing region being supported rotatably about the pivot shaft axis on the housing. At least one bearing region includes a bearing unit rotatably supporting the pivot shaft. A seal is supported in the bearing unit and lies against an outer peripheral surface of the pivot shaft.

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