Паровоздушный насос

Паровоздушный насос

Паровозду́шныи насо́с (англ. Steam Pump) — один из агрегатов, которые применяются на паровозе.

Паровоздушный насос состоит из:

Он предназначен для питания тормозной сети поезда сжатым воздухом и для обслуживания различных механизмов, например, песочницы и т. п.

Производительность — около 3000 литров воздуха в минуту, засасываемого при атмосферном давлении, который компрессор сжимает до давления в 12 кг/см² при скорости до 70 ходов в мин.

Данный агрегат имеет КПД не выше 3 %, однако, паровоздушный насос надёжен и прост.

Классификация

  • Одноцилиндровый
  • Многоцилиндровый
    • Тандем-насос. Оси цилиндров высокого и низкого давления тандем-насоса, в отличие от компаунд-насоса, расположены на одной геометрической оси, поршни связаны между собой единым штоком. Устанавливался на паровозах постройки преимущественно до 1946 года.
    • Компаунд-насос. Оси цилиндров высокого и низкого давления в отличие от тандем-насоса не имеют общего штока и расположены параллельно. Устанавливался на паровозах постройки после 1946 года.

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