A fluid bladder valve for a pneumatic vehicle seat adjustment device is disclosed. The valve comprises a first chamber configured to connect to a fluid source, a second chamber configured to connect to the fluid bladder, a third chamber configured to connect to an environment, a fourth chamber connected to the first chamber via a first fluid passage, connected to the second valve chamber via a second fluid passage, and connected to the third valve chamber via a third fluid passage; and an actuator comprising a blocking element disposed in the fourth chamber and an actuator element disposed in the third valve chamber and coupled to the blocking element and configured to move the blocking element between a first position wherein the first passage is opened and the third passage is closed, and a second position wherein the first passage is closed and the third passage is opened.
Pneumatic valve
2021-08-03
Patent
Electronic Resource
English
NTIS | 1978
|NTIS | 1978
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