Patent · US Active

Filter device

US11266928B2 · kind B2 · utility

0Cited by

4References

15Claims

0Family size

Assignee

HYDAC PROCESS TECHNOLOGY GMBH · DE

Inventors

Hans-Juergen Lingen · Rheydt, DE
Stefan Klein · Meitingen, DE
Raphael Klein · Los Altos, US
Markus Breinig · Frechen, DE

Key dates

Filing date	Oct 9, 2017
Grant date	Mar 8, 2022
Priority date	—
Expiry date	Jun 18, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/082
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter device, in particular for lubricating oil filtration, includes at least two filter inserts (27), in each of which a filter material (43) is accommodated. The filter inserts are provided with fluid passage points (37, 39) and can be stacked on top of one another with the formation of a stack. A back-flushing device (55,57) is movably arranged along the inner side of the filter inserts (27). The individual filter inserts (27) are designed as identical parts at least with respect to their housings.

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