| 摘要 |
The system controls the pressure in variable volume cushions (10,12) in the seat (18) and backrest (22) of the vehicle seat (14). The cushions are connected (28,30) to piston-cylinder units (24,26) with electric motors (40,41) moving the pistons (31,32). A common line (50) connects the working chambers (34,36) to a pump (46) mounted on a module (58) with a computer (56).
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