FIELD: electro-mechanical engineering, possible use in immersed electric motors for actuating supercharger and, in particular, screw propeller.
SUBSTANCE: hydraulic protection device consists of penetrable and hermetic chambers, which are divided by immovable hermetic screen. In each chamber, concentrically positioned magnetic semi-screens. Additional pump is made reverse and positioned in the space between external surface of hydraulic protection device and internal surface of supercharger body, and filters are installed at input and output of cooling and oiling channels.
EFFECT: increased reliability of operation and increased durability of immersed electric motors.
1 dwg
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