专利汇可以提供Apparatus for detecting electrically conductive particles using a gas permeable, but liquid impermeable surface专利检索,专利查询,专利分析的服务。并且An apparatus for detecting tramp metal contained in electrically non-conductive fluid material has a surface supporting the fluid material, formed by the ends of the laminae of a laminated magnet alternately connected to the terminals of a battery in a circuit with a current indicator. Tramp metal forming a bridge between the pole ends of two alternate laminae close the circuit and are thus monitored by the current indicator. An opening extends through the laminated magnet traversing the laminae, and the insulation is removed between the opening and the pole ends of the laminae. The opening has a gas-permeable non-conductive liner, so that air introduced into the opening flows through the liner and between the laminae to the surface and into the fluid material. Tramp metal is thus caused to settle downward in the fluidized material. The magnet has a primary winding which induces into a secondary winding a voltage changed by tramp metal changing the magnetic field, and indicating such tramp metal. A second identical magnet with identical primary winding has an identical secondary winding arranged in a secondary circuit in opposition to and in series with the first secondary winding, so that their induced voltages normally balance each other. Tramp metal upsets the balance and a resultant current flows in the secondary circuit indicating the tramp metal.,下面是Apparatus for detecting electrically conductive particles using a gas permeable, but liquid impermeable surface专利的具体信息内容。
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