Axle end oil fill and leakage detector method of charging lubric

Details Axle end oil fill and leakage detector method of charging lubric Axle end oil fill and leakage detector method of charging lubric

1975-07-09

1977-06-07

Pinkham, Richard C.

Lubrication

Systems

With safety or indicating means

184105R, 184 1E, 308 95, F01M 120

Patent

active

040277437

ABSTRACT:
A pressurized lubricant charging and leak detection apparatus and method to fill the lubricant reservoir of a wheel hub with lubricant and detect lubricant leaks therefrom. The apparatus includes a tubular filling probe which may be inserted into the hub which is connected through valving to a pressurized lubricant supply to fill the reservoir with lubricant and there with a pressurized air supply to charge air into the reservoir until a constant air pressure is established in the reservoir; whereafter, a drop in air pressure within the reservoir indicates lubricant leak from the hub.

REFERENCES:
patent: 2611450 (1952-09-01), Kalikow
patent: 3481431 (1969-12-01), Dorsey
patent: 3604535 (1971-09-01), Whitaker

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