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US 2002/0153688 A1Published application
Pneumatic system for a motor vehicle
AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorsReinhold Jurr, Reimar Schoop
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AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorsReinhold Jurr, Reimar Schoop
Estimating the term…
The invention relates to a pneumatic system for a motor vehicle, said pneumatic system comprising a compressor unit, an accumulator unit and switch valves, via which the individual springs of the individual vehicle wheels are provided with pressurized air. A vent line is provided in the zone between the compressor unit and the switch valves. Said vent line opens into the atmosphere and can be blocked or released by a stop valve. The inventive system is further provided with devices that are used to limit the air mass flow discharged via the released vent line in certain intervals vis-à-vis an unlimited state in order to prevent undesired noises caused by the venting of the system. For example, a separately blockable high-pressure vent line can be connected parallel to a separately blockable main vent line, the free effective area of flow of the high-pressure vent line being smaller than that of the main vent line. Alternatively, a throttle element can be mounted in the vent line to limit the free effective area of flow of the vent line.
Pneumatic system for a motor vehicle with a compressor unit (1), a storage unit (4), as well as on-off valves (3), via which the individual pneumatic springs of the individual vehicle wheels are supplied with compressed air, where, between compressor unit (1) and on-off valves (3), there is provided a vent line (5) that opens up into the atmosphere and that can be locked by a locking valve (6) or that can be cleared, characterized by measure with whose help one can limit the air mass flow, emerging via the cleared vent line (5), during a certain time interval, with respect to an unlimited state.
Dependencies are inferred from the claim text.