Ejector device

Details Ejector device Ejector device

1994-11-08

1996-07-16

Chambers, A. Michael

Fluid handling

Processes

Involving pressure control

137566, 137895, 1372361, 4300, 4DIG9, E03D 100

Patent

active

055357709

ABSTRACT:
A vacuum sewer system comprises a liquid-driven ejector, the working medium of which is fed to the ejector by a circulation pump from a sewage collecting container, the suction side of the ejector being connected via a check valve to a vacuum sewer network. Air and sewage delivered through the sewer network flow through the ejector into the collecting container. The bore of the discharge pipe of the ejector is substantially cylindrical throughout. Its length is 8 to 20, preferably 10 to 15, times the diameter of its bore and the pipe discharges directly into the open interior of the collecting container.

REFERENCES:
patent: 2247116 (1941-06-01), Day
patent: 4034421 (1977-07-01), Pihl et al.
patent: 4188968 (1980-02-01), Trobaugh et al.
patent: 4214324 (1980-07-01), Kemper et al.
patent: 4691731 (1987-09-01), Grooms et al.
patent: 5165457 (1992-11-01), Olin et al.
Tekniikan Maailma, Jun. 1988.

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