FIELD: machine building.
SUBSTANCE: group of inventions refers to gear-type pumps and to their application methods. In the main implementations of the group of these inventions the pumps include a housing of gears, which restricts a channel, and having an inlet and an outlet, and one or more gears located inside the gear housing. Gears can contain the corresponding bearings. Bearings are separated from the channel of the gear housing with one or more seals. Bearings can be located inside the bearing housing attached to the gear housing.
EFFECT: use of the group of inventions will allow improving operating properties of gear-type pumps.
26 cl, 8 dwg
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|
RU2269030C2 |
