Microvalve normally in a closed position

Details Microvalve normally in a closed position Microvalve normally in a closed position

2006-01-31

2006-01-31

Jacyna, J. Casimer (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Having element dimensionally responsive to field

Reexamination Certificate

active

06991214

ABSTRACT:
A microvalve with a normally closed state includes a membrane, an actuation means for controllable deformation of the membrane as well as a valve shutter deformable by the controllable deformation of the membrane. The valve shutter at least partially opposes the membrane and rests, in a first position in the normally closed state of the valve, along a sealing lip arranged between the valve shutter and the membrane. The sealing lip is arranged such that an outlet of the valve, which outlet is in fluid communication with an interrupted section of the sealing lip, is sealed against an input channel bordering on the valve shutter. In addition, the valve shutter is moldable into a second position so as to bring the outlet into fluidic communication with the input channel in an open state of the valve.

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