Vehicle seat has drain which is integrated into valve unit to form one three terminals through respective conduit portions, and port of valve unit is connected to compressed air source and control valves

摘要

The seat (1) has bladder units which are connected to pneumatic filling and emptying system (6), which comprises compressed air source (10) connected with bladder unit line and valve assembly (11) and control unit (17). The line and valve assembly has bubble unit associated with control valves controlled by control unit, and a common drain (24) for blister units. The drain is integrated into 3/2-way valve unit (14) and forms one of the three terminals through respective conduit portions (12a-12c). A port of valve unit is connected to the compressed air source and control valves.