Patent · US Active

Filter device

US11311890B2 · kind B2 · utility

2Cited by

0References

16Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Juergen Schmitt · Hanhofen, DE
Klaus-Dieter Ruhland · Meckenheim, DE
Michael Kaufmann · Dortmund, DE

Key dates

Filing date	Oct 4, 2019
Grant date	Apr 26, 2022
Priority date	—
Expiry date	Jun 22, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M35/0215
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter device has a housing plate with a sleeve extending along a longitudinal axis perpendicular to the housing plate. The sleeve guides fluid containing particles along an inner sleeve surface to separate particles from the fluid and discharge the particles via a discharge window of the sleeve. An immersion tube plate opposite the housing plate has an immersion tube projecting coaxially into the sleeve for outflow of the fluid. The immersion tube has a sealing and centering section about an outer circumference of the immersion tube that forms a sealing surface parallel to the longitudinal axis and radially seals with an inner surface of the sleeve. The sealing and centering section extends about the immersion tube to provide coaxial alignment with the sleeve. A radial and/or axial expansion of the sealing and centering section is reduced in a predetermined region of the immersion tube opposite the discharge window.

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