Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Reexamination Certificate
2006-01-31
2006-01-31
Gimie, Mahmoud (Department: 3747)
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
Reexamination Certificate
active
06990961
ABSTRACT:
The invention relates to a ventilation and aeration device for a fuel tank (1) of a motor vehicle, comprising a ventilation line (9) leading to the exterior of the fuel tank (1); said ventilation line being connected to the inner area (18) of the fuel tank (1) via a ventilation opening (16) of a ventilation link having a larger throughflow diameter and an aeration opening (21) of an aeration link having a smaller throughflow diameter. The ventilation opening (16) leads into the inner area of the fuel tank (18) at a filling level height (17) which is lower than that of the aeration opening (19) of the aeration link. A roll-over valve (10) is used to seal off the inner area (18) of the fuel tank (1) in relation to the ventilation line (9). The ventilation link and the aeration lead to a common ventilation channel (20) leading to a single roll-over valve (10) whose outlet is connected to the ventilation line (9).
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Fuehling Stefan
Ranke Hartmut
Gimie Mahmoud
Mayer Brown Rowe & Maw LLP
Siemens Aktiengesellschaft
Speer Richard A.
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