Molded multi-part generator fan
Patent 4879483 Issued on November 7, 1989. Estimated Expiration Date: 
June 3, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 3, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3521973 3608172 Composite centrifugal impeller for slurry pumps Alternating current generator rotor Patent #: 4588915 InventorAssigneeApplicationNo. 201886 filed on 06/03/1988US Classes:310/63, Pressure pump or fan310/43, Molded plastic416/179, ROTOR HAVING FLOW CONFINING OR DEFLECTING WEB, SHROUD OR CONTINUOUS PASSAGE416/185Circumferentially and radially continuous web or end plateExaminersPrimary: Salce, Patrick R.Assistant: Rebsch, D. L. Attorney, Agent or FirmInternational ClassesH02K 009/06F04D 029/28 AbstractA multi-part molded plastic annular fan is formed from four pieces, each piece having upstanding fan blades and a number of integrally molded cylindrical metal sleeves through which bolts extend to mount the fan parts to a flywheel of an engine drive train. Each fan part has an interlocking member at both ends thereof which secure the fan parts together, and a bolt extends through the interlocking members to secure the fan parts to the flywheel.Field of SearchMolded plasticSuction pump or fan Pressure pump or fan Conversion elements, (e.g., transformers, rectifiers, etc.) ROTOR HAVING FLOW CONFINING OR DEFLECTING WEB, SHROUD OR CONTINUOUS PASSAGE Circumferentially and radially continuous web or end plate Angularly spaced, axially elongated blades (i.e., squirrel cage type) | |
