| 摘要 |
A pump inking unit of a printing machine is usable to dose a predetermined amount of ink onto axially adjacent areas of a peripheral surface of a roller, by the provision of a discharge opening, with the aid of several dosing pumps. These several dosing pumps are arranged adjacent each other in an axial direction of the roller. Each one of these dosing pumps has its own motor. The adjacently arranged dosing pumps are arranged along an application strip that is provided with the discharge openings. Each of these dosing pumps is a rotating displacement pump with an externally toothed, internal rotor and with an internally toothed external motor. The axes of rotation of these two rotors are eccentric to each other. The teeth of the external and internal rotors are at any time in engagement with each other to form a system of several sealed transport chambers between the external rotor and the internal rotor, during rotation of these rotors about their individual axes of rotation.
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