| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: pump includes housing 1, gears 3 and 4 arranged in it, one of which is connected to drive shaft 5 coaxial to it, individual working fluid supply channels 8 and 9 to gears 3 and 4 and main line 10 and 11 for connection of those channels to inter-teeth cavities of gears 3 and 4. Working fluid supply channel 9 to gear 4 coaxial to drive shaft 5 is made inside supply channel 8 of other gear 3 and interconnected by means of main line 11 with inter-teeth cavities of the first gear 4. ^ EFFECT: improving hydraulic characteristics of pump, volume efficiency coefficient of pump and its operating reliability. ^ 3 dwg |
