GEAR TOOTH AND EXTERNAL GEAR PUMP

摘要

The invention concerns a gear tooth (1) comprising a concave base (2) connected to its starting point at the root of the adjacent tooth and a top (3) connected to said base (2) via a first transition point (4). The invention is characterized in that the top of the tooth comprises two convex segments (7, 8) connected via a second transition point (9) causing a curve break in the tooth profile.