Oil level indicator for use with damping fluid metering pins

Details Oil level indicator for use with damping fluid metering pins Oil level indicator for use with damping fluid metering pins

1977-10-06

1978-06-06

Swisher, S. Clement

Signals and indicators

Alarms

Fluid flow

73290R, 188 1A, 188322, F16F 906, G01F 2300

Patent

active

040929477

ABSTRACT:
An oleo strut oil level indicator is provided which includes a rod slidably xtending through a landing gear or other metering pin contacting the strut floating piston at one end and terminating at a frangible disc at the opposite end. Excessive oil loss in the strut produces a commensurate displacement of the floating piston toward the frangible disc, causing the opposite rod end to rupture the disc at a selected piston position and exposing a colored low oil level indicator to view thereby visually indicating a condition of potential danger.

REFERENCES:
patent: 2385545 (1945-09-01), Simpson
patent: 2609195 (1952-09-01), Drakeley
patent: 2655232 (1953-10-01), Etherton
patent: 2698751 (1955-01-01), Nye
patent: 2735674 (1956-02-01), Smith
patent: 2737301 (1956-03-01), Thornhill
patent: 2814482 (1957-11-01), Anderson
patent: 2825553 (1958-03-01), Smith
patent: 3078967 (1963-02-01), Brown

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