Patent ID: 7753142

Claim:
Drilling unit, comprising a chassis ( 3 , 4 ) and a drilling machine ( 1 , 2 ) arranged in front of the chassis, the chassis encasing an engine house ( 8 ), in which an engine ( 9 ) is arranged as well as at least one cooler ( 14 ) and at least one fan ( 15 ), the drilling unit comprising at least one partition wall ( 17 ) that divides the engine house ( 8 ) into a first part ( 18 ), which accommodates the engine ( 9 ), and a second part, which accommodates said cooler ( 14 ) and fan ( 15 ), and that the partition wall ( 17 ) divides the engine house ( 8 ) into a front part ( 18 ) and a rear part ( 19 ), wherein the first part ( 18 ) of the engine house ( 8 ) forms the front part and the second part ( 19 ) of the engine house ( 8 ) forms the rear part, and the partition wall ( 17 ) is at least partly air-proof.