Patent ID: 11905956
Assignee: HYDRAULIK NORD TECHNOLOGIES GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. An internal gear machine for reversing operations, having a housing with a chamber, wherein, in the chamber, an externally toothed pinion and an internally toothed ring gear are disposed which mesh with one another, the rotational axes of which run parallel to and spaced apart from one another, wherein the chamber of the housing is axially limited, wherein, in the housing, a first pressure pocket and a second pressure pocket are located which are connected to the chamber, wherein the first pressure pocket is connected to a first pressure connection and the second pressure pocket is connected to a second pressure connection of the internal gear machine,
wherein
a second switching valve is arranged in the connection between the first pressure pocket and the first pressure connection and a first switching valve is arranged in the connection between the second pressure pocket and the second pressure connection, and the first pressure connection is connected to a first displacement chamber of the internal gear machine and the second pressure connection is connected to a second displacement chamber of the internal gear machine.