FIELD: engines and pumps.
SUBSTANCE: invention relates to fluid feed system. This liquid supply system comprises: (a) an agent which generates negative pressure in the treatment chamber, actuating first pressure reduction means and reducing pressure in treatment chamber; (b) means which supplies the negative pressure of the treatment chamber to the measurement chamber; (c) means, which supports negative pressure supplied to measurement chamber; (d) means which sucks liquid from container into measurement chamber using negative pressure of measurement chamber; and (e) means, which sucks liquid from measuring chamber into treatment chamber using vacuum in treatment chamber.
EFFECT: technical result is provision of safe liquid supply.
10 cl, 16 dwg
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