Adjustable inlet for a harvester fan

Details Adjustable inlet for a harvester fan Adjustable inlet for a harvester fan

1992-10-05

1993-12-21

Look, Edward K.

Rotary kinetic fluid motors or pumps

Including casing part selectively movable relative to fixed...

Separate liner portion

4151721, 4151732, 411107, 411384, F04D 2908

Patent

active

052717135

ABSTRACT:
A harvester fan includes a donut-shaped insert which is rotationally molded with button-head bolts spaced therearound. The rotor-end of the bolts are molded into the sidewall of the insert so the sealing area of the insert remains planar for maximizing sealing ability. The opposite threaded ends of the bolts project from the insert, and rotation of a special nut held axially by snap ring and easily accessible by a wrench from outside the fan housing finely tunes the fan insert axially relative to the rotor for maximum output and efficiency.

REFERENCES:
patent: 1326673 (1919-12-01), Lepley
patent: 1743916 (1930-01-01), Hargis
patent: 3316025 (1967-04-01), Sullivan et al.
patent: 4925364 (1990-05-01), Das

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