Patent ID: 9422935
Filing Date: 2016-08-23
CPC Classification: F04C

Claim Text:
1. A feed unit comprising: a first toothing part ( 1 ) and a second toothing part ( 2 ) which interact with one another via a toothing system ( 1 . 1 , 2 . 1 ) and axes ( 1 . 2 , 2 . 2 ) of which are set obliquely with respect to one another, the first toothing part ( 1 ) engaging around the second toothing part ( 2 ) with a collar section ( 8 ), and working spaces ( 3 ) being formed between the toothing system ( 1 . 1 ) of the first toothing part ( 1 ) and the toothing system ( 2 . 1 ) of the second toothing part ( 2 ), which working spaces ( 3 ) are configured to be filled via an inflow ( 4 ) and are configured to be emptied via an outflow ( 5 ), wherein the collar section ( 8 ) of the first toothing part ( 1 ) has at least one first recess ( 9 ) for filling or emptying the respective working space ( 3 ), the second toothing part ( 2 ) having, on a circumference which faces the first toothing part ( 1 ), at least one second recess ( 10 ) which opens into one of the working spaces ( 3 ), the first recess ( 9 ) and the second recess ( 10 ) forming a flow connection into a respective working space ( 3 ) when overlapped.