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US 7,029,575 B1Granted
Filter with a valve combination component
AssigneeHengst GmbH & Co. KG
InventorsDieter Baumann, Wilhelm Ardes
Life of this patent
Estimating the term…
Abstract
The invention relates to a filter, such as an oil filter for a combustion engine. The inventive filter includes a filter housing and a valve, such as a non-return valve, a filter bypassing valve or a drain valve, that is arranged in the filter housing. According to the invention, the valve body of said valve is arranged at a combination component which is provided with a connector for connecting at least one additional filter component, such as an additional valve or a filter inset, to the combination component.
Claims5
A filter, comprising:
- a filter housing having a filter base;
- a filter insert located in the filter housing;
- a valve located in the filter housing, the valve having a valve body and a valve seat, wherein the valve seat is formed by the filter base;
- a combination component removably positioned within said housing between the filter insert and the filter base;
- a support dome positioned internally of and supporting the filter insert;
- and
- a filter bypass valve disposed within the filter support dome for enabling bypass of the filter;
- wherein the valve body is located within the combination component, and the combination component has a connector connecting at least one additional filter component to the combination component, wherein the at least one additional filter component comprises the support dome.
5 more elements
Dependencies are inferred from the claim text.