Liquid purification or separation – Processes – Separating
Patent
1986-11-07
1989-06-13
Hruskoci, Peter
Liquid purification or separation
Processes
Separating
210169, 2102421, 2104162, 15 17, 134167R, 134 21, 4490, E04H 316
Patent
active
048390631
ABSTRACT:
An automatic swimming pool cleaning apparatus has a surface supply hose connected to a floating unit and a further underwater hose that is connected at one end to the surface unit in fluid communication with the outlet of the surface hose and at its other outlet end to a non-buoyant cleaning unit. The underwater hose and the cleaning unit have jets directed in a downstream direction so that the cleaning unit moves through water in the pool and the underwater hose pushes the surface unit around. The cleaning unit carries a bag in which debris is collected. The surface hose also carries a jet to pull the surface unit around. The surface unit also has a jet which displaces and rotates the surface unit.
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Hruskoci Peter
Lee Coreen Y.
Spooner Est
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