The novel sensor assembly is comprised of a threaded housing with pressure relief tracks through the threads that terminate at a hole through the housing and a displacement sensor. In the preferred embodiment, we have included an integral connector, a super-elastic core carrier and a Differential Variable...http://www.google.es/patents/US6499368?utm_source=gb-gplus-sharePatente US6499368 - Miniaturized pressure equalized displacement sensor assembly
