FIELD: mechanical engineering, particularly earth-moving and construction equipment to be operated at low temperatures.
SUBSTANCE: device for hydraulic drive heating comprises heat engine and hydraulic pump kinematically connected with each other. Device also has liquid heat carrier circulation loop including heat accumulator and connected to heat engine exhaust pipe through two-way valve. Heating member is arranged in tank and linked to heat engine generator.
EFFECT: increased simplicity and efficiency of hydraulic drive heating at negative ambient temperatures.
1 dwg
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