| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact motor protector of large current capacity. SOLUTION: The motor protector has a generally cup-shaped metallic housing 12 formed by a top wall 12a and a side wall 12b extending downward from perimeter of the top wall, of which free end is welded to a header 14. The side and top walls have a rounded junction and a calibration rill 12e is formed in the top wall from one end of the housing and through the rounded junction. A thermostatic disc 16 has an area to be recessed and deformed in a ring-like tray shape at a center part of the disc. A first end part of the disc is mounted at an inner face of a flat bottom wall and a calibration ridge 12h is adjusted for the area to be deformed. A movable electrical contact 20 is mounted at another end of the disc and moves into and out of engagement with a stationary electrical contact 34 that is in turn mounted on a heater 26. COPYRIGHT: (C)2008,JPO&INPIT
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