PUMP WITH POLYMER SPRING Russian patent published in 2019 - IPC G01F11/02 A47K5/12 B05B11/00 

FIELD: pumps.

SUBSTANCE: present invention relates to fluid pump (300) comprising spring (400) from a plastomer, wherein said spring (400) comprises a first end portion (402) and a second end portion (404), as well as a plurality of rhombus-shaped spring segments (406) connected in series in adjacent corners (412) and aligned with each other in an axial direction, in order to connect said first end portion (402) and second end portion (404), wherein said spring segments (406) can be compressed in the axial direction between the initial state and the compressed state and then expand to its initial state. As an addendum, the present invention relates to a dispensing method with fluid metering by means of such a fluid medium pump (300).

EFFECT: technical result is creation of reliable non-leaking pump, simple and hygienic in manufacturing.

23 cl, 18 dwg