Transformer core with composite offset V-miter and step joint专利检索-磁阻头电磁学专利检索查询-专利查询网

Transformer core with composite offset V-miter and step joint

阅读：900发布：2023-04-14

专利汇可以提供Transformer core with composite offset V-miter and step joint专利检索，专利查询，专利分析的服务。并且A step, or butt joint is combined with a V-miter joint to improve the ability of magnetic flux to transition from a yoke member to an inner leg member, or vice versa, to minimize the number of different shaped layers required to form a leg member and to improve inner leg member to yoke member joint strength in a transformer core of the stacked flat-layer type. The V-miter portion of the joint permits the use of a single piece yoke member and the step, or butt portion of the joint reduces joint air gap and therefore joint magnetic reluctance. Structural rigidity at an inner leg member to yoke member joint is improved over that of a transformer core with a yoke having two or more pieces and all layers of said inner leg member have the same shape.，下面是Transformer core with composite offset V-miter and step joint专利的具体信息内容。

权利要求

1. In a transformer core of the stacked flat-layer type having a plurality of flat, laminated, layered members of equal width, each of said members including; two generally rectangular shaped, parallel, spaced-apart, outside leg members beveled at each end; two generally rectangular shaped, single piece yoke members beveled at each end, each yoke member having its longitudinal axis perpendicular to the longitudinal axis of said legs forming a rectangular shaped structure, a partially beveled end portion of a yoke member engaging a partially beveled end portion of a leg member forming a miter joint between a yoke member and a leg member, adjacent miter joints in adjacent layers being offset in the plane of a layer such that a miter joint in one layer is bridged by a portion of an adjacent layer; a generally rectangular shaped inner leg member, parallel to and intermediate of said outer leg members, an end of said inner leg member engaging a side portion of a yoke member forming an inner leg member to yoke member joint; wherein the improvement comprises said inner leg member to said yoke member joint, said joint comprising: a. a generally rectangular shaped yoke member having an outward opening V-shaped cut at an internal side thereof; and b. a generally rectangular shaped inner leg member having Vshaped end portions, the central axis of said V-shaped end portions being parallel to and offset in the same direction from the longitudinal axis of said inner leg member and having a step portion extending laterally from said V-shaped end in a direction that is perpendicular to the longitudinal axis of said inner leg member, whereby a V-shaped end of said inner leg member is cooperatively engageable with a V-shaped cut in said yoke, and said step portion is engageable with a side of said yoke member in a butting relationship such that no substantial voids exist between a yoke member and an inner leg member, adjacent joints in immediately adjacent layers being offset in opposite directions in the plane of a layer, in the direction of the longitudinal axis of a yoke member such that a joint in one layer is bridged by a portion of an adjacent layer.

2. An improved transformer core joint as defined in claim 1 wherein the depth of a V-shaped cut in a yoke member is one-half the width of a yoke member less one-half the length of said step portion of said inner leg member to yoke member portion.

3. An improved transformer core joint as defined in claim 1 wherein the internal angle of the V-shaped cut in a yoke member and the internal angle of a cooperatively engageable V-shaped end portion of an inner leg member is 90*.

4. An improved transformer core joint as defined in claim 1 wherein only one inner leg member is utilized and said inner leg member is equally spaced from the two outer leg members.

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Transformer core with composite offset V-miter and step joint

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