Patent · US Active

Filter with a liquid drain valve

US9815004B2 · kind B2 · utility

0Cited by

2References

9Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Stefan Uhl · Fellbach, DE
Herbert Jainek · Heilbronn, DE

Key dates

Filing date	Jun 12, 2014
Grant date	Nov 14, 2017
Priority date	—
Expiry date	Feb 22, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/4084
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A liquid filter has a hollow-cylindrical filter element is flowed through in a radial direction. The fluid after having passed through the filter element drains in axial direction from the interior of the filter element. A drain plug is disposed at an axial end of the interior of the filter element. The drain plug forms a moveable valve member. A drain passage for draining fluid is open in the open position of the drain plug.

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