Method of moving a hydraulically expandable hub along a shaft

Details Method of moving a hydraulically expandable hub along a shaft Method of moving a hydraulically expandable hub along a shaft

1990-05-09

1991-09-03

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

Assembling or joining

493471, 83 13, 83168, 294265, B23P 1102

Patent

active

050440608

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: 2926940 (1960-03-01), Maass
patent: 4064884 (1977-12-01), Asp
patent: 4541163 (1985-09-01), Eiting

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