DISPENSING PUMP Russian patent published in 2016 - IPC A61M5/00 

FIELD: engines and pumps.

SUBSTANCE: claimed pump comprises cylindrical body made from α-Al₂O₃-based crystal. Note here that said body is composed of two parts, one of larger diameter, to allow the fitting of at least one feed channel, at least one discharge channel and retainer in place, said retainer being meant for mounting the pump at dispensing line, all said component being made of α-Al₂O₃-based crystal. Note here that, on one side, the body can house the plunger or piston made from α-Al₂O₃-based crystal and be displaced inside the body by con rod. The latter is made from the α-Al₂O₃-based crystal and can be fitted in the plunger or piston. On the other side, it can house the shutter made from α-Al₂O₃-based crystal.

EFFECT: ruled out interaction between the fluid and pump material, minor rejections, accelerated assembly/disassembly.

7 cl, 2 dwg