Expandable mixing section gravel and cobble eductor

Details Expandable mixing section gravel and cobble eductor Expandable mixing section gravel and cobble eductor

1996-03-14

1997-09-16

Koczo, Michael

Pumps

One fluid pumped by contact or entrainment with another

Jet

417195, F04F 536

Patent

active

056673655

ABSTRACT:
In a hydraulically powered pump for excavating and transporting slurries in hich it is immersed, the improvement of a gravel and cobble eductor including an expandable mixing section, comprising: a primary flow conduit that terminates in a nozzle that creates a water jet internal to a tubular mixing section of the pump when water pressure is applied from a primary supply flow; a tubular mixing section having a center line in alignment with the nozzle that creates a water jet; a mixing section/exit diffuser column that envelopes the flexible liner; and a secondary inlet conduit that forms an opening at a bas portion of the column and adjacent to the nozzle and water jet to receive water saturated gravel as a secondary flow that mixes with the primary flow inside of the mixing section to form a combined total flow that exits the mixing section and decelerates in the exit diffuser.

REFERENCES:
patent: 323458 (1885-08-01), Smith et al.
patent: 1150473 (1915-08-01), Wisely
patent: 3816027 (1974-06-01), Miscovich
patent: 3891353 (1975-06-01), Templeman
patent: 3942962 (1976-03-01), Duychinck

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