Filter device

US10871133B2 · kind B2 · utility

Assignee

• Mahle International GmbH · DE

Inventors

• Michael Braunheim · Göppingen, DE
• Torsten Lika · Stuttgart, DE

Key dates

• Filing date: Sep 13, 2019
• Grant date: Dec 22, 2020
• Expiry date: Sep 13, 2039

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F01M11/03
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A filter element includes an upper end disc, a lower end disc, a filter material arranged between the upper end disc and the lower end disc, a dirt pot on the lower end disc, a pin attached at an attachment location and configured to be received within a channel in an installation orientation, the pin extending away from the attachment location along an axis, the pin having a base of a first width at the attachment location, the pin having a free end and a groove defined between the attachment location and the free end, the pin having a second width that defines a circumference of the groove, the second width approximately orthogonal to the axis, wherein the first width is greater than the second width, and an opening in the dirt pot.