Rotor structure of inscribed gear pump

An inscribed gear pump including a housing (10, 12), a driven rotor (40) including a plurality of inner gears (41), a driving rotor (50) including a plurality of outer gears (51) engaging with the respective inner gears, a plurality of interspaces (R) formed between the inner gears of the driven rot...

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Bibliographic Details
Main Authors KUROKAWA, HIROYUKI, KIMURA, ICHIRO
Format Patent
LanguageEnglish
French
German
Published 16.08.2006
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS
WEAPONS
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Summary:An inscribed gear pump including a housing (10, 12), a driven rotor (40) including a plurality of inner gears (41), a driving rotor (50) including a plurality of outer gears (51) engaging with the respective inner gears, a plurality of interspaces (R) formed between the inner gears of the driven rotor and the outer gears of the driving rotor respectively, a volume of each of the interspaces being increased and decreased for the purposes of performing an intake and a discharge of fluid, an inlet port (12) and an outlet port (13) both being in communication with a cylindrical space whereby the inscribed gear pump further comprises a groove (55) formed on a side face of the driving rotor and being in communication with the inlet port and the at least one of the interspaces.
Bibliography:Application Number: EP20050021073