US Patent: 1,887,675 - Variable speed motor


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US Patent: 1,887,675

Variable speed motor

Patentees:

Steffen A. Brown - Dayton, OH

Edgar W. Brockmeyer - Dayton, OH

USPTO Classifications:

Tool Categories:

electrical devices : electric motors : induction motors : repulsion start induction run motors

Assignees:

Brown-Brockmeyer Co. - Dayton, OH

Manufacturer:

Brown-Brockmeyer Co. - Dayton, OH

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 23, 1929
Granted:	Nov. 15, 1932

Patent Pictures: [ 1 | 2 ]

USPTO pdf tiff
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"Vintage Machinery" entry for Brown-Brockmeyer Co.

Description:

This is a "variable speed motor of the induction repulsion type." It is also reversible.

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