Filter device and arrangement for ventilating a tank comprising a filter device
AssigneeVolvo Lastvagnar AB
InventorsSigurd Sonderegger, Jonas Lexén
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Abstract
A filter device, particularly an air breather filter device for venting a fuel tank, includes a housing with a first port provided as an inlet in normal operation of the filter device and a second port provided as an outlet under normal operation of the filter device. The housing encloses at least one filter and an air passage extends from the first port to the second port passing through the filter. Inside the housing a baffle unit is arranged in the housing for covering the at least one first filter in relation to the second port, wherein the baffle unit is arranged to deflect a fluid flow entering the filter device through the second port.
Claims14
A filter device, particularly an air breather filter device for venting a fuel tank, comprising a housing with a first port being provided as an inlet in normal operation of the filter device and a second port being provided as an outlet under normal operation of the filter device, the housing enclosing at least one first filter and an air passage extending from the first port to the second port passing through the filter, wherein inside the housing a baffle unit is arranged in the housing for covering the at least one first filter in relation to the second port, wherein the baffle unit is arranged to deflect a fluid flow entering the filter device through the second port.
The filter device according to claim and 9, wherein the baffle unit has a collar pointing outwardly at its bottom end, and wherein the collar cooperates with the at least one second filter.
An arrangement for ventilating a fuel tank, wherein at least one filter device is provided, comprising a housing with a first port being provided as an inlet in normal operation of the filter device and a second port being provided as an outlet under normal operation of the filter device, the housing enclosing at least one filter and an air passage extending from the first port to the second port passing through the filter, and wherein inside the housing a baffle unit is provided for covering the at least one first filter in relation to the second port, wherein the baffle unit is arranged to deflect a fluid flow entering the filter device through the second port.
Dependencies are inferred from the claim text.