Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Patent
1989-05-31
1990-04-17
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Articulated, resiliently mounted or self-shifting impeller...
Nonmetallic resilient mounting
416500, F04D 2934
Patent
active
049175734
ABSTRACT:
An engine fan mount is provided which isolates the fan from vibrations causing pitch and yaw of the fan drive shaft. Each fan bolt is provided with a spacer extending through the fan, which metal washers at each end of the spacer on either side of the fan. Elastomeric washer are positioned about the spacer on either side of the fan between the fan and the metal washers. A slight clearance, e.g., 1 mm, is provided between the fan through bore and the spacer. When the bolt is tightened, the elastomeric washers are only slightly compressed, with the metal washers and spacers preventing further compression. The fan is free to float axially along the spacers, and to vary in angle (within the limits of the clearance) relative to the bolts and drive shaft.
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patent: 4682679 (1987-07-01), Elmer
Truflo Brochure.
Deere & Company
Powell Jr. Everette A.
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