Debris separator for dredge or slurry pump

Details Debris separator for dredge or slurry pump Debris separator for dredge or slurry pump

1998-07-23

1999-12-21

Batson, Victor

Excavating

Beneath a body of water

Suction

210112, 210170, E02F 388

Patent

active

060032510

ABSTRACT:
A debris separator for a dredge pump includes a body portion having a top ll, a bottom wall, first and second side walls, and an aft end wall, the aft end wall defining a separator outlet for connection to the pump, a funnel portion having an entry end defining a separator inlet and a larger discharge end fixed to a forward inlet end of the body portion. The separator further includes a door hingedly mounted on the body portion first side wall and spring biased to a closed position overlying an opening in the first side wall, and a floor in the body portion slanted toward the bottom wall and toward the first side wall opening. Thus, upon stopping of the pump, back pressure is generated in the body by backflow of water into the separator. Backpressure causes the hinged side door to open. Heavy objects which have fallen to the slanted floor, due to the reduction of flow velocity through the separator, are flushed out of the separator with discharge water. When the discharge line empties, or the pump is restarted, the door closes under the spring bias.

REFERENCES:
patent: 675123 (1901-05-01), Bartholomew
patent: 996237 (1911-06-01), Gridley
patent: 1169745 (1916-01-01), Haddon
patent: 2250693 (1941-07-01), York et al.
patent: 3731975 (1973-05-01), Lindelof
patent: 4250034 (1981-02-01), Wolters
patent: 4319782 (1982-03-01), Latimer
patent: 4347675 (1982-09-01), Latimer
patent: 4541927 (1985-09-01), Breidenbaugh
patent: 4744896 (1988-05-01), James et al.
patent: 5141650 (1992-08-01), Cavo et al.
patent: 5425188 (1995-06-01), Rinker
patent: 5651200 (1997-07-01), Walsh et al.

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