A pneumatic control device for a vehicle seat includes a forcible-delivery control unit, an opening-closing control unit, and a residual pressure release control unit. The forcible-delivery control unit drives an air pump to forcibly deliver air to an airbag, which is provided in a seat. The opening-closing control unit opens and closes an inlet valve, which is provided in a passage of the air. The passage is in communication with the airbag. The residual pressure release control unit opens an outlet valve provided in the passage on an upstream side of the inlet valve after driving of the air pump is stopped, thereby releasing the air sealed on the upstream side of the inlet valve in a closed state from the passage.
PNEUMATIC CONTROL DEVICE FOR VEHICLE SEATS AND PNEUMATIC CONTROL METHOD FOR VEHICLE SEATS
2019-05-23
Patent
Electronic Resource
English
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A61H PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY , Geräte für die physikalische Therapie, z.B. Vorrichtungen zum Lokalisieren oder Anregen spezieller Reflexpunkte am Körper |
PNEUMATIC CONTROL DEVICE FOR VEHICLE SEATS AND PNEUMATIC CONTROL METHOD FOR VEHICLE SEATS
European Patent Office | 2017
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