Internal-gear pump for conveying medium, and for use in electro hydraulic pedal force backstopping device for actuating clutch of motor vehicle, has chamber into which medium with suction pressure is sucked

摘要

The internal-gear pump (1) has a chamber into which a medium with a suction pressure is sucked. Another chamber is provided into which the medium of the former chamber is conveyed under increase of suction pressure to a supply pressure. A rotatably supported internal gear is provided for conveying the medium. The inner filler element (5) and outer filler element are brought in a centrally sealed attachment contact for defining the former chamber against the latter chamber.