Hydraulically expandable hub

Details Hydraulically expandable hub Hydraulically expandable hub

1991-06-10

1992-03-17

Kundrat, Andrew V.

Joints and connections

With adjunctive protector, broken parts retainer, repair,...

Utilizing fluid pressure

403 36, F16D 100

Patent

active

050963260

ABSTRACT:
A hydraulically expandable hub having a collection groove and a vent port to prevent the leakage of oil upon the shaft to which the hub is mounted and a method for using such a hub is disclosed. The oil collection groove is located along the inside diameter of the hub between each end of the hub and the oil groove also located on the inside diameter of the hub. A vent port is connected to the collection groove so a vacuum source can be coupled to the hub. The negative pressure produced by the vacuum source at the collection groove sweeps or pulls oil seepage from the oil groove into the collection groove which is transported to the hub exterior through the vent port. Such a hub can be altered in position about the shaft without leaving oil residue along the shaft.

REFERENCES:
patent: 4525916 (1985-07-01), Wuhrer
patent: 4541163 (1985-09-01), Eiting

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