Control system for roof of convertible motor vehicle - uses electrical controller and hydraulic bus system to deploy and fold roof

The various parts of the roof are moved in sequence by hydraulic pistons. Hydraulic fluid is controlled by electrically operated valves (2, 3, 4, 5, 6, 7) and relays (21, 22, 23). The valves and relays are fed via a three-wire bus system, one wire of which carries a synchronisation signal (17). The...

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Bibliographische Detailangaben
Hauptverfasser: ROELOF JAN WIND, GERRIT JAN JOOSSINK
Format: Patent
Sprache:dut ; eng
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Zusammenfassung:The various parts of the roof are moved in sequence by hydraulic pistons. Hydraulic fluid is controlled by electrically operated valves (2, 3, 4, 5, 6, 7) and relays (21, 22, 23). The valves and relays are fed via a three-wire bus system, one wire of which carries a synchronisation signal (17). The bus is controlled by an electronic control unit (10). The unit contains two microprocessors (12, 32) and a code converter (13). Inputs to the controller include a d.c. supply (26) and signals from limit switches (51, 52, 53, 54).