| 摘要 |
A fluid processing device for use in the oil system of gas turbine or other plant, performs the functions of a de-gassifier and filter for liquid from part of the plant, scavenge pump for returning clean liquid to the plant, air/liquid droplet separator and main pressure pump, or any required combination of these functions. The performances of individual rotary devices are enhanced by the inclusion of a quantity of a rigid porous material having interconnected interstitial passages so that all the rotary devices can operate at the same speed and can thus be driven from a single shaft. In a gas turbine engine application (FIG. 3) the device has a plurality of individual compartments 36,38,40 and 41 within a rotating housing 21, each compartment containing the porous material. Compartments 36 and 38 are supplied with air and emulsified oil via pipes 44 from bearing chambers. The oil and air are separated and the oil is filtered in the compartments, the oil passing via debris collectors 48 into a compartment 34 in which the scoop 50 of a pump returns it to the oil system. The air is vented from the device via compartments 40 and 41 in which further filtering and oil mist separation take place. The main oil pump comprises porous material rotated in compartment 64. The material is supplied with oil from the oil tank via passage 62 and pumps it via a diffusing passage into the remainder of the system.
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