Pressure responsive switch

Details Pressure responsive switch Pressure responsive switch

G - Physics

01

L

306/206

G01L 9/10 (2006.01) G01L 9/00 (2006.01) H03K 17/94 (2006.01) H03K 17/97 (2006.01)

Patent

CA 1283150

ABSTRACT OF THE DISCLOSURE A pressure responsive switch including a case having a pressure inlet and an orifice plate, an amorphous diaphragm and a ferrite core arranged in said case, said ferrite core having a pick-up coil housed therein, in which a pressure introduced into the case acts through the orifice plate against a surface of the amorphous diaphragm and a mechanical deformation of said amorphous diaphragm caused by said pressure is detected as a variation of electrical signal by means of the pick-up coil. The characteristic feature resides in that said orifice plate has a larger area at its side facing the ferrite core than at its opposite side facing the pressure inlet.

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