Patent ID: 8521451
Filing Date: 2013-08-27
Classification: G01N

Abstract:
1. A probe for measuring an oil viscosity, comprising: a housing mounted to a member for containing an oil and made from a non-magnetic material; a magnetoelastic ribbon fixed to an inside of the housing through a first insert member at one end and at least partially immersed in the oil at an opposite end; an electromagnetic coil embedded to the housing so as not to contact the oil and to surround the magnetoelastic ribbon; a temperature sensor coupled or fitted to one end of the housing for measuring a temperature of the oil; and an electrical board electrically connected to the electromagnetic coil and the temperature sensor, and fixed to an opposite end of the housing through a second insert member and a cover, a protective mesh attached to the one end of the housing and preventing air bubbles in the oil from approaching the magnetoelastic ribbon.