Patent ID: 11879458
Assignee: GARDNER DENVER SCHOPFHEIM GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A rotary piston compressor/pump/blower, comprising:
a housing defining a working chamber;
an intake connection in fluid communication with the working chamber for furnishing fluid to the working chamber;
a pressure connection in fluid communication with the working chamber for guiding the fluid out of the working chamber;
a rotor assembly including
a first rotor rotatably arranged in a first working sub-chamber of the working chamber, and
a second rotor rotatably arranged in a second working sub-chamber of the working chamber and cooperating with the first rotor; and

a ventilation channel formed in the housing and in fluid communication with the working chamber via a ventilation channel opening for the introduction of fluid into the working chamber from outside the rotary piston compressor/pump/blower, the ventilation channel opening open at least in sections in a compression phase.