An improvement in fluid pressure transducers having a housing with oppositely facing magnetic blocks (12,14) that form a sealed chamber (20) in which a magnetically permeable diaphragm (24) is disposed for magnetic coupling with electromagnetic coils (30) mounted within the blocks. The coil is mounted...http://www.google.ca/patents/US4395916?utm_source=gb-gplus-sharePatent US4395916 - Arrangement for sealing a reactive element within a fluid pressure transducer
