Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Adjustable
Patent
1984-11-05
1986-01-21
Garrett, Robert E.
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Adjustable
F04D 2936
Patent
active
045654948
ABSTRACT:
A cooling fan and hub support for a vehicle with reversible blades is disclosed. The fan has a hub support comprising an outer ring having inwardly extending projections and an inwardly directed flange. Each blade has a stem received in a hole in one of the projections. An inner retaining ring which has outwardly extending projections is supported concentric with the outer ring. A helical spring is received in each of the projections and extends into a blind hole in each stem and the inner end of the spring rests on a retaining ring. The outer ring has spaced holes for attaching it to an engine shaft. The retaining ring has convolutions which curve outwardly around each of the spaced holes and have an arcuate circumferential part that supports each inner end of a spring.
REFERENCES:
patent: 1479895 (1924-01-01), Colby
patent: 3026943 (1962-03-01), Huber
patent: 4140435 (1979-02-01), Huber
patent: 4396352 (1983-08-01), Pearce
Garrett Robert E.
Huber Reversible Fan, Inc.
Li H. Edward
Lovercheck Charles L.
Lovercheck Dale R.
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