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US 6,581,578 B2Granted
Fuel delivery and ventilation system
AssigneeMannesmann VDO AG
InventorFrank Reiter
Life of this patent
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Abstract
The fuel delivery and ventilation system according to the invention has a surge chamber in which the fuel pump is arranged, and a compensating container into which at least one ventilation line opens, the compensating container and the surge chamber being joined into a structural unit.
Claims8
A fuel delivery system for a motor vehicle engine comprising:
- (a) a fuel tank for holding a pre-selected quantity of fuel for operation of the motor vehicle;
- (b) a fuel delivery unit mounted within the fuel tank for pumping fuel from the fuel tank to the vehicle engine and for venting the interior of the fuel tank, in which the delivery unit includes;
- (i) structure defining a surge tank which holds a fuel pump;
- (ii) compensating chamber joined to the surge tank as a structural unit thereof and
- (iii) at least one ventilation line connecting the compensatory chamber to the interior of the fuel tank, whereby fuel vapor can be vented from the fuel tank into the compensating chamber.
2 more elements
Dependencies are inferred from the claim text.