03-01-2019 дата публикации
Номер: US20190001336A1
Принадлежит:
A pulverizer has arms connected to a vertically oriented rotating shaft at hubs. The arms are angled relative to radians extending from the shaft to be canted or offset. Pads can be oversized relative to the arms while being one of coplanar with the arms or recessed while possibly also having their radially inward face(s) angled to assist in resisting catching material thereon. A mechanical fuse connection can assist in connecting arms to the hub to prevent dangerous situations as well. 1. A pulverizer comprising:a head with an input port;a bottom with a discharge port;a housing extending intermediate the head and the bottom, said body having a vertically extending rotating shaft with a plurality of arms extending from hubs connected to the shaft thereby reducing input from a larger to a smaller size from the input port to the discharge port with the rotation of the arms in the housing;wherein at least some of the arms are canted relative to the hub to which they are connected at a first connection position whereby they form an angle between 5 and 90 degrees relative to a radian extending through the arm.2. The pulverizer of wherein the at least some of the arms in the first connection position are angled between 5 and 30 degrees relative to a radian extending through the arm.3. The pulverizer of wherein the at least some of the arms have a second connection position at the hub whereby when in the second connection position claim 1 , the angle relative to the radian is different than when in the first connection position.4. The pulverizer of further comprising a mechanical fuse retaining at least some of the arms in their first connection position whereby if a predetermined force is reached claim 1 , the at least some of the arms release without breaking.5. The pulverizer of further comprising first and second pins connecting the arm to the hub wherein the second pin is the mechanical fuse and when it releases claim 4 , the arm rotates about the first pin.6. The ...
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