Back to results
US 9,333,448 B2Granted
Filter device
AssigneeMahle International GmbH
InventorsMichael Braunheim, Torsten Lika
Life of this patent
Estimating the term…
Abstract
A filter device may include a ring filter element arranged in a filter housing in an upright manner. The ring filter element may have an upper end disc and a lower end disc. A dirt pot may have a water separator arranged therein and be provided on the lower end disc. The dirt pot may also have a protruding pin. A channel may be configured to receive the pin and be provided on at least one of a filter housing pot and a functional element. The filter device may be operational when the pin engages into the channel.
Claims21
A filter device comprising:
- a ring filter element arranged in a filter housing in an upright manner, the ring filter element having an upper end disc, a lower end disc, a filter material arranged between the upper end disc and the lower end disc, and a dirt pot having a separate water separator arranged therein and provided on the lower end disc, the dirt pot having a protruding pin and an opening on a base side of the dirt pot, the dirt pot being configured to be inserted into a filter housing pot of the filter device, and
- a functional element, the functional element having a channel configured to receive the pin, a portion of the functional element being configured to penetrate the opening of the dirt pot, the portion of the functional element further having at least one discharge opening,
- wherein the filter device is operational when the pin engages into the channel.
A ring filter element for a filter device comprising:
- an upper end disc and a lower end disc,
- a filter material arranged between the upper end disc and the lower end disc, and
- a dirt pot provided on the lower end disc and having a separate water separator arranged therein and provided on the lower end disc, wherein the dirt pot has a protruding pin and an opening on a base side of the dirt pot configured to receive a portion of a functional element,
- wherein the pin is configured to engage in a channel provided in the functional element such that the filter device is operational.
1 more element
Dependencies are inferred from the claim text.