Air-suspension system for vehicles, having a throttle

Details Air-suspension system for vehicles, having a throttle Air-suspension system for vehicles, having a throttle

2006-06-27

2009-08-04

Dickson, Paul N. (Department: 3616)

Land vehicles

Wheeled

Running gear

C280S124160, C267S064160, C267S064280

Reexamination Certificate

active

07568713

ABSTRACT:
An air-suspension system for vehicles, in particular for commercial vehicles, including at least one air-bellows valve assigned to an air-spring bellows or a group of air-spring bellows of the front axle for individually aerating and venting this air-spring bellows or this group of air-spring bellows; at least one air-bellows valve assigned to an air-spring bellows or a group of air-spring bellows of the rear axle for individually aerating and venting this air-spring bellows or this group of air-spring bellows; as well as at least one central aeration valve for supplying the air-bellows valves assigned to the air-spring bellows of the front axle and the rear axle with compressed air from a compressed-air supply; and at least one central venting valve for exhausting compressed air from the air-bellows valves assigned to the air-spring bellows of the front axle and the rear axle, to an air vent. The system provides that the compressed-air communication between, on one side, the compressed-air supply, the central aeration valve, and the at least one air-bellows valve assigned to the front axle and, on the other side, the air vent, the central venting valve, and the at least one air-bellows valve assigned to the rear axle take place via at least one throttle.

REFERENCES:
patent: 6189903 (2001-02-01), Bloxham
patent: 6513820 (2003-02-01), Schoop
patent: 7396029 (2008-07-01), Hecker et al.
patent: 7441789 (2008-10-01), Geiger et al.
patent: 2002/0079626 (2002-06-01), Grotendorst et al.
patent: 2002/0153688 (2002-10-01), Jurr et al.
patent: 2003/0132594 (2003-07-01), Den Hartog
patent: 2004/0188970 (2004-09-01), Matern et al.
patent: 2006/0043691 (2006-03-01), Geiger
patent: 2006/0049606 (2006-03-01), Geiger et al.

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