COMPRESSOR UNIT WITH CIRCULATION LOOP Russian patent published in 2010 - IPC F04D25/00 

FIELD: engines and pumps.

SUBSTANCE: proposed compressor unit comprises single-stage continuous-action compressor, at least two injectors, inlet and outlet receivers, filter and pressure pickup. Outlets of parallel injectors communicate with inlet of inlet receiver. Active nozzles of injectors communicate with pipeline connected with aforesaid outlet receiver accommodating pressure pickup. Passive chambers of injectors communicate with pipeline connected with the filter that has outlet from external gas atmosphere. Inlet receiver outlet communicates with single-stage compressor inlet. Single-stage compressor outlet closes circulation loop and communicates, via pipeline, with outlet receiver with its outlet communicates with the inlet of valve. Outlet of the latter is connected with pressure pipeline.

EFFECT: reduced material input and power consumption.

1 dwg