Patent · US Active

Filtering device for highly viscous media

US9855699B2 · kind B2 · utility

2Cited by

5References

13Claims

0Family size

Assignee

NORDSON HOLDINGS S.A.R.L. & CO. KG · DE

Inventors

Stefan Wöstmann · Füchtorf, DE
Frank Hartmann · Minden, DE
Robert Middler · Havixbeck, DE

Key dates

Filing date	Jun 1, 2011
Grant date	Jan 2, 2018
Priority date	—
Expiry date	Dec 27, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C48/03
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A filtering device (100) for highly viscous media comprises at least one screen plug (10) which is movably arranged in a screen plug bore (27) of a housing (20) and which has at least one screen cavity (11, 12), a filter element (11.7) lying in said screen cavity. The screen cavity (11, 12) narrows to a funnel section (11.6) in a rear region when viewed in the flow direction, said funnel section opening into at least one screen plug outlet channel that opens upstream of the housing outlet channel (24, 25) in the production position. According to the invention, the screen plug outlet channel comprises an inlet zone (11.1, 11.2), at least one deflecting point (11.3), and an outlet zone (11.2, 12.2). The intake zone (11.1, 12.1) extends from an edge region of the funnel section (11.6), and the outlet zone (11.2, 12.2) is designed as a groove that extends on the outer face of the screen plug (10, 10′) and/or on the inner face of the screen plug bore (27).

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