Electrically variable pneumatics structural element

Details Electrically variable pneumatics structural element Electrically variable pneumatics structural element

2007-11-13

2007-11-13

Nguyen, Hoang (Department: 3748)

Power plants

Fluid within expansible chamber heated or cooled

Having means within the working chamber to effect the...

C060S515000

Reexamination Certificate

active

10549836

ABSTRACT:
The internal pressure p1of the hollow body of a pneumatic structural element that comprises a hollow body (1), at least two traction elements (4) and at least one compression member (2) can be electrothermally varied by means of a fluid. The hollow body (1) houses a void (12) which is filled with a gas (15), and a container (9) which contains a volatile liquid (10). Said liquid (10) can be heated or cooled by means of a heat pump (13). Said heat pump (13) thermally contacts the liquid (10) via lamellas (24). A pressure sensor (14) measures the pressure inside the void (12). A cable (16) links the sensor (14) and the heat pump (13) with control and regulating electronics (23).

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patent: 0 494 053 (1992-07-01), None
patent: WO-01/53902 (2001-07-01), None
patent: WO-01/73245 (2001-10-01), None

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