Excavating – Beneath a body of water – Suction
Patent
1999-08-05
2000-05-09
Pezzuto, Robert E.
Excavating
Beneath a body of water
Suction
37323, E02F 388
Patent
active
060586303
ABSTRACT:
A suction, or vacuum, is created by the coupling of two sections of tubing of dissimilar size. The larger section of tubing has an open ended reservoir attached to one end thereof. The smaller section of tubing has an end plate attached at a point approximately one third of its length. The longer portion of the smaller section of tubing is inserted into the larger tube until the end plate mated to the reservoir. A fluid medium such as water or air is pumped into the reservoir under high pressure filling the reservoir and encompassing the inner section of tubing. The space between the smaller section of tubing and the larger section of tubing is fluidly coupled to the reservoir. The application of the pressurized fluid medium from the reservoir to the space between the sections of tubing creates a low pressure within the inner tubing resulting in a vacuum or suction being effected at the intake of the inner tubing.
REFERENCES:
patent: 1444069 (1923-02-01), Gyger
patent: 2019968 (1935-11-01), Holloway
patent: 3457863 (1969-07-01), Carter
patent: 4322897 (1982-04-01), Brassfield
patent: 4991321 (1991-02-01), Artzberger
Pezzuto Robert E.
Skolnik Robert M.
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