G - Physics – 01 – R
Patent
G - Physics
01
R
324/81
G01R 11/36 (2006.01) G01R 5/20 (2006.01) G01R 11/02 (2006.01) G01R 11/23 (2006.01)
Patent
CA 1183216
13 ABSTRACT OF THE DISCLOSURE The present invention is for an induction meter having a voltage and a current magnetic section, each producing magnetic flux for rotating an electroconductive disk at a rate responsive to the magnetic flux. The voltage magnetic section is comprised of a substantially E-shaped lamainated magnetic core having a center leg terminating at a main pole face and two adjacent legs terminating at coplanar auxiliary pole faces on opposite sides of the main pole face. The first and last laminae of the core define a first and a second side, respec- tively, of the core. A voltage coil is wound about the center leg. A first voltage shunting member is located in magnetic proximity to the first side of the core. A spacer bracket is located between the first side of the magnetic core and the first voltage shunting member. The spacer bracket carries a self-aligned, light load adjust- ment assembly having a movable tab extending over portions of one of the auxiliary pole faces and the main pole face thereby providing an adjustable magnetic flux shunt path. A second voltage shunting member is located in magnetic proximity to the first side of the core and spaced from the first voltage shunting member by a nonmagnetic spacer. The second voltage shunting member has a fixed tab in magnetic proximity to the other auxiliary pole face and a fixed tab in magnetic proximity to the movable tab. In this manner, the first voltage shunting member, the second voltage shunting member and the movable tab all provide magnetic flux shunt paths.
403877
Griffin Auburn K. Jr.
Ramsey James E. Jr.
Oldham And Company
Westinghouse Electric Corporation
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