Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE559477ApublicationCriticalpatent/BE559477A/xx
B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
B60G17/052—Pneumatic spring characteristics
B60G17/0523—Regulating distributors or valves for pneumatic springs
B60G17/0525—Height adjusting or levelling valves
B—PERFORMING OPERATIONS; TRANSPORTING
B60—VEHICLES IN GENERAL
B60G—VEHICLE SUSPENSION ARRANGEMENTS
B60G2500/00—Indexing codes relating to the regulated action or device
B60G2500/20—Spring action or springs
B60G2500/202—Height or leveling valve for air-springs
B60G2500/2022—Height or leveling valve for air-springs with valve seat actuation for selectively adjusting neutral height