Innenzahnradpumpe

Details

Veröffentlichungs-Nr.

EP4729779

Anmeldetag

21. Mai 2024

Veröffentlichung

19. Dezember 2024

Rechtsraum

EP

IPC

F04C2/10, F04C15/06

Abstract

The internal gear pump 100A includes the pump portion 10 configured to discharge the oil when the drive shaft 1 is rotated, and the housing 20A that accommodates the pump portion 10. The pump portion 10 has: the inner rotor 11 having the plurality of external teeth 11a and connected to the drive shaft 1; and the outer rotor 12 having the plurality of internal teeth 12a in sliding contact with the external teeth 11a, the outer rotor 12 being arranged outside the inner rotor 11. The internal gear pump 100A has: the first volume chamber R1 facing the outer circumference of the outer rotor 12 in the discharge region 66, the first volume chamber R1 having the restriction portion T formed to extend along the outer circumference, the first volume chamber R1 being configured such that the pressurized oil discharged from the pump portion 10 is guided to the first volume chamber R1; and the drain passage 50 configured to drain, from the first volume chamber R1, the oil passed through the restriction portion T.

Anmelder

Firma

KYB Corporation

Land

🇯🇵 Japan

Fachgebiete