公开(公告)号：US06484586B1

公开(公告)日：2002-11-26

申请号：US09424924

申请日：2000-02-14

Applicant: Bertrand Dutoit ,  Andreas Friedrich ,  Kurt Hug ,  Radivojc Popovic

Inventor： Bertrand Dutoit ,  Andreas Friedrich ,  Kurt Hug ,  Radivojc Popovic

IPC: G01L910

CPC classification number: G01L9/007

Abstract: A differential pressure transducer has a measurement chamber which is divided by a membrane into first and second measurement spaces which can be exposed to first and second pressures whereby differential pressure causes deflection of the membrane from its neutral position. A deflection sensor measures the deflection of the membrane and produces a deflection signal. An electromagnet arrangement produces a magnetic force which compensates for the deflection force which is caused by the differential pressure. The coil current for producing the magnetic compensation force represents a measure of the differential pressure.

Abstract translation: 压差传感器具有测量室，该测量室由膜分成第一和第二测量空间，其可暴露于第一和第二压力，由此压差导致膜从其中性位置偏转。 偏转传感器测量膜的偏转并产生偏转信号。 电磁铁装置产生补偿由压差引起的偏转力的磁力。 用于产生磁补偿力的线圈电流表示差压的量度。