Aircraft hydraulic fluid purification system and method

Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units

Reexamination Certificate

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C210S241000, C210S257100

Reexamination Certificate

active

06972089

ABSTRACT:
A system and method for storing and purifying used hydraulic fluid removed from an aircraft hydraulic fluid system includes a purification system that mounted on transportable cart. Used hydraulic fluid is transferred from an aircraft to a salvage tank that is mounted on the transportable cart. A hydraulic fluid purification module is also mounted on the transportable cart and is part of the purification system. The purification system may be fluidly coupled to an external system that supplies a motive source of flow energy, and may be selectively configured so that the used hydraulic fluid in the salvage tank passes through the purification module.

REFERENCES:
patent: 3394812 (1968-07-01), Cohen et al.
patent: 4328098 (1982-05-01), Benson
patent: 4604109 (1986-08-01), Koslow
patent: 5772871 (1998-06-01), Lyon et al.
patent: 5858070 (1999-01-01), Halm et al.
patent: 5951857 (1999-09-01), Osborne
patent: 6815840 (2004-11-01), Aldendeshe

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