Goodrich Corporation

Hs Wroclaw Sp. Z O.o.

Mikolaj Niewodniczański

Dariusz Sapija

Pawel Bandola

Jerzy Jakub Grzybowski

A rotary encoder for a valve comprises a rotatable code plate and an optical detector module comprising one or more optical detectors. The code plate defines a set of voids arranged along a set of one or more concentric circular arcs about an axis of rotation. The voids define an angle-dependent pattern over the set of arcs, the pattern comprising a plurality of distinct sectoral elements (A-O, X). At least two of the sectoral elements, located in non-adjacent sectors of the code plate, are identical, but the pattern is non-repeating over a single full rotation of the code plate about the axis. Each optical detector is aligned with a respective concentric circular arc of the code plate. A controller processes time-varying output signals from the optical detectors to determine successive positions of the rotatable code plate.

Position determination for valves

A shape memory alloy (SMA) sealing ring is deformed to provide a shape between a radially inner sealing portion and radially outer sealing portion thereof which has at least one peak and at least one trough. When the shape memory behavior of the SMA is activated, this shape provides a sealing connection between a first and second member.

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Wysoka, Poland

Mikolaj Niewodniczański