FIELD: mechanical engineering.
SUBSTANCE: oil system for cooling the main gearbox of a helicopter during testing includes the main gearbox (22) with a tray, containing cavities of hot and cold oil. Two vertical oil pumps (15) and (16) with electric drives, an oil aerial cooler apparatus (46) with an electric drive, two oil-oil heat exchangers (34) and (35) and an oil flow metre (19) are installed in the oil system. The system also includes pipelines with electric drives and without them, filters (20) and (30) and an oil tank (1) with the equipment for oil filling and draining.
EFFECT: reduction of costs for test of main gearboxes of helicopters.
1 dwg
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|---|---|---|---|
| TEST BENCH | 2013 |
|
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RU2344301C1 |
