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US 6,682,059 B1Granted
Microvalve controller for pneumatically contoured support
AssigneeCtex Seat Comfort Limited
InventorsGeorge F. Daniels, Richard D Rhodes
Life of this patent
Estimating the term…
Abstract
A pneumatic support system and controller combination including pressurizable expandable chambers (1); a source of pressure and an exhaust characterized by: a unitary manifold assembly (14) including a circuit board (25); a manifold (27) and one or more microvalves (24) having a silicon based valve actuator responsive to a signal for controlling flow from said manifold with respect to one or more expandable chambers.
Claims21
A pneumatic support system and controller combination including:
- a pressurizable expandable chamber;
- a source of pressurized fluid connected to the chamber and configured to supply fluid under pressure to the chamber;
- an exhaust connected to the chamber and configured to release fluid from the chamber;
- and
- a manifold assembly including:
- a circuit board;
- and
- a microvalve supported on the circuit board and having a valve actuator comprising silicon and configured to control fluid flow between the chamber and at least one of the source and the exhaust in response to a signal received from one or more circuit components on the circuit board.
5 more elements
Dependencies are inferred from the claim text.