Chamura
Minoru Chamura, Osaka JP
Patent application number | Description | Published |
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20130293058 | CORE MATERIAL, STATOR CORE, AND MOTOR PROVIDED WITH STATOR CORE - In a core material according to the present invention, a predetermined number of core pieces, each having a tooth portion and a yoke portion, are connected to each other via connecting portions. Each of the connecting portions includes: a V-shaped notch portion; a through hole that is formed at a tapered portion of the notch portion with a diameter elongated in a connection direction; and a thin portion that is formed outside of the through hole and connects the core pieces to each other. The width of the thin portion is more increased apart from the axis of symmetry of two sides constituting the V shape of the notch portion, and further, an intersection between extension lines of the two sides constituting the V shape lies within 0.3 W from the inner side of the thin portion in a notch direction and within the thin portion when W designates the width of the thin portion along the axis of symmetry. | 11-07-2013 |
Shingo Chamura, Tokyo JP
Patent application number | Description | Published |
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20140187104 | CONNECTOR AND CONNECTOR DEVICE - A connector is to be connected to a mating connector. The connector includes a base portion for accommodating a plug and a cable connected to the plug; a connecting member disposed on the base portion to be rotatable relative to the mating connector for connecting the connector to the mating connector; a tightening member disposed on the base portion to be movable relative to the connecting member for tightening the cable; and a rotation preventing member disposed on the base portion to be movable relative to the connecting member for engaging with the connecting member so that the rotation preventing member prevents the connecting member from rotating relative to the mating connector. | 07-03-2014 |
Toshio Chamura, Narita-Shi JP
Patent application number | Description | Published |
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20140203901 | REACTOR AND ELECTRICAL DEVICE - To provide a small sized reactor with which it is possible to reduce the volume of a core and decrease electrical power losses. | 07-24-2014 |