GAS EJECTOR Russian patent published in 2017 - IPC F04F5/46 

FIELD: oil and gas industry.

SUBSTANCE: ejector is intended for de-gassing. Ejector provides the suction chamber, mixing chamber with diffuser and nozzle located coaxially. The ejector is multichannel. The multi-nozzle chamber is rigidly fixed in a stationary housing. The multichannel housing is made of thermoplastic or composite materials, or metals with a density of not more than 5 g/cm³. Each channel of a multichannel casing is a suction chamber, mixing chamber and the exhaust diffuser. Each nozzle has its own channel. Head-capacity curves of the ejector are provided by geometrical relationships and ranges of ejector sizes.

EFFECT: increased ejection coefficient, reduced mass and ease of the ejector operation.

2 cl, 5 dwg