US Patent: 400,391
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| Dust-collector
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Patentee:
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| Eugene Bretney (exact or similar names) - Indianapolis, IN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 22, 1887 |
| Granted: |
Mar. 26, 1889 |
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Jeff Joslin
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Description: |
| "This invention relates to that class of dust-collectors for flour and other mills in which the separation of the dust particles from or the purification of the air is accomplished in a dust-chamber without the use of any filtering material whatever; and it has for its object to product a machine of this class of simple, durable, and inexpensive construction which will effectually purify the air and collect the dust and prevent the latter clogging the machine and steadily and automatically feed the dust deposit out of the same..."This is a very early patent for a cyclonic dust collector. See also patent 408,074. A couple of years later Bretney patented a water-based version of this design, patent 453,105. |
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