Gear pump with herringbone gearing

摘要

Method involves processing of recess (11) in the form of a rear cut between two gear wheel sections (5,6) with helix angle (beta 1,beta 2) of gearing. The filling elements are inserted in the recess. The wave (1) has gear pump with herringbone gear wheel. Independent claims are included for the following. (1) Wave; (2) Gear pump; and (3) Use of gear pump.