Air spring system and control

US11975582B2 · kind B2 · utility

Assignee

• ZF CV SYSTEMS EUROPE BV · BE

Inventors

• Przemyslaw Zak · Wrocław, PL
• Stefan Filter · Hannover, DE
• Ingo Jovers · Gehrden, DE
• Johann Lucas · Sehnde, DE
• Nosrat Moradi Dehdezi · Hannover, DE
• Andreas Thimm · Sarstedt, DE

Key dates

• Filing date: May 3, 2019
• Grant date: May 7, 2024
• Expiry date: Jul 3, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60G2800/98
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An air suspension control system (ECAS, electronic controlled air suspension) (10) for a utility vehicle, such as a truck or the like, or for a passenger car, includes a main control unit (12) for operating the air suspension control system (10) and at least two auxiliary control units (14) connected to the main control unit (12) via a data link (16). The auxiliary control units (14) each have at least one output (18) for actuating at least one actuator (20) which can be connected to the output (18), in particular an adjustment drive (28) for a valve (30). Furthermore, at least one function for generating control signals at the output (18) can be stored in the auxiliary control units (14), and the main control unit (12) is adapted to call up and/or to parameterize at least the stored functions by transmitting commands via the data link (16).