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US 7,850,846 B2Granted
Fuel filter
AssigneeRobert Bosch GmbH
InventorsJulian De La Azuela, Juergen Gruen, Nestor Rodriguez-Amaya
Life of this patent
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Abstract
The invention relates to a structurally simple and hence economical fuel filter, in particular a diesel filter, having at least one fuel inlet, at least one fuel outlet, water separator means, at least one sump, a water outlet associated with the sump, and control means for the water outlet, in which the water to be drained out is cleaned by means for separating out contaminants, so that this water can be given off to the environment.
Claims13
A fuel filter comprising
- a filter housing,
- at least one fuel inlet (2) provided on the filter housing,
- at least one fuel outlet (3) provided on the filter housing,
- an element located in the filter housing which separates water from the fuel,
- at least one sump (51) located in the filter housing for collecting the water separated from the fuel,
- a water outlet (52) provided on the filter housing through which water drains from the sump,
- a valve (53) which opens and closes the water outlet (52), and
- means mounted on the fuel filter downstream of the water outlet for separating contaminants from water which has been drained from the sump, said means for separating contaminants from water which has been drained from the sump being located inside a container and the container is mounted directly to the filter housing such that the container and filter housing are in direct contact with each other.
5 more elements
Dependencies are inferred from the claim text.