Hamilton Sundstrand Corporation

Claverham Limited

Akademia Gorniczo-hutnicza Im. Stanislawa Staszica W Krakowie

Kghm Polska Miedz Spólka Akcyjna

Tele-fonika Kable Spólka Akcyjna

Instytut Metali Niezelaznych

Pawel Kwasniewski

George Edmond

Daniel Trybula

Paul Bowles

Jonathan Robins

Simon Ennor

Artur Kawecki

Tadeusz Knych

Andrzej Mamala

Grzegorz Kiesiewicz

Eliza Sieja-Smaga

Beata Smyrak

A rotary seal comprises a seal element comprising a disc-shaped body having a first axial side and an opposed second axial side. The seal element further comprises a radially inner central circular opening for receiving a rotary shaft, the opening having an inner periphery for sealing engagement with the shaft. A radially outer rim portion of the seal element comprises an axially facing annular sealing surface provided on the first axial side for sealing engagement in use with an opposed axially facing sealing surface of an adjacent first static housing and an axially facing pocket provided on the second axial side and having an axially facing surface for receiving, in use, an annular elastomeric biasing element. At least one drainage passage is formed through the outer rim portion from an inlet on the second axial side to an outlet on a radially outer portion of the rim portion.

Seal

An actuation mechanism for a rotary element, comprises an electric drive motor coupled to a threaded drive spindle. A threaded drive nut is received on said drive spindle for movement along said drive spindle. A rack gear is coupled to said drive nut. A pinion gear is drivingly engaged with said rack gear and drivingly couplable to the rotary element. The rotary element may be a valve element.

Rotary actuation mechanism

Growing community of inventors

Olawa, Poland

Pawel Kwasniewski