IP Library Granted Patent US 7,976,618
Granted Patent B2
US 7,976,618 · App. 12/276,474 · Granted Jul 12, 2011

Motor vehicle

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Quick Facts
Patent No.
US 7,976,618
App. No.
12/276,474
Granted
Jul 12, 2011
Kind
B2
Abstract

A motor vehicle has a filter device for purifying untreated gases. The filter device has a filter housing and at least one filter element, in particular an adsorber element, which is arranged therein, with an auxiliary filter that is positioned outside and above the filter housing being provided. The auxiliary filter, which is disposed in an auxiliary filter housing, has at least one auxiliary filter element which is connected in a communicating fashion to and in series with the filter element in the filter housing.

Claims (13)

1. A motor vehicle, comprising:

a filter device for purifying untreated gas, said filter device having a filter housing and at least one filter element disposed in said filter housing, said filter device further having an auxiliary filter housing with an auxiliary filter positioned outside and above said filter housing, said auxiliary filter, disposed in said auxiliary filter housing, having at least one auxiliary filter element connected in a communicating fashion to and in series with said filter element in said filter housing;

a front region;

a rear region, said filter housing with said filter element disposed in one of said rear region or said front region;

C-pillar; and

an A-pillar, said auxiliary filter disposed there-above in one of said A-pillar or said C-pillar.

2. The motor vehicle according to claim 1 , wherein said filter device is a constituent part of a tank system, with said at least one filter element and said at least one auxiliary filter element having activated charcoal for filtering hydrocarbon constituents.

3. The motor vehicle according to claim 1 , further comprising a flexible connecting line connecting said auxiliary filter in a communicating fashion to said filter element disposed in said filter housing.

4. The motor vehicle according to claim 1 , wherein said filter housing has a plug-in frame with at least one plug-in slot formed therein into which said at least one filter element can be plugged thus being an exchangeable filter element.

5. The motor vehicle according to claim 4 , wherein said filter device has a further element selected from the group consisting of springs and latching connections, said at least one filter element is held in said plug-in slot by said further element.

6. The motor vehicle according to claim 1 , wherein a spacing between said filter element and said auxiliary filter element is selected such that a penetration of hydrocarbon constituents through said auxiliary filter element is prevented.

7. The motor vehicle according to claim 1 , wherein said at least one filter element is an adsorber element.

8. The motor vehicle according to claim 6 , wherein said spacing is a vertical spacing.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 29, 2011
From: GEURTZ, HEINZ-JUERGEN
To: DR. ING. H. C. F. PORSCHE AKTIENGESELLSCHAFT
Reel/Frame 026202/0042 →
CHANGE OF NAME Recorded Nov 11, 2010
From: PORSCHE ZWISCHENHOLDING GMBH
To: DR. ING. H.C. F. PORSCHE AG
Reel/Frame 025346/0895 →
MERGER Recorded Nov 10, 2010
From: DR. ING. H.C. F. PORSCHE AG
To: PORSCHE ZWISCHENHOLDING GMBH
Reel/Frame 025339/0949 →