Cleaning and liquid contact with solids – Apparatus – With movably or flexibly mounted spray or jet applying...
Patent
1996-03-29
1997-12-16
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
With movably or flexibly mounted spray or jet applying...
134183, 239232, 239244, 239245, A47L 1523
Patent
active
056973926
ABSTRACT:
A spray assembly for a dishwasher includes a fluid pump and a spray tower. The spray tower includes a lower stationary member and an upper rotatable member and includes a fluid cavity therein. The rotatable member has at least one spray opening adjacent its upper end. A spray nozzle directs a stream of washing fluid upwardly into the spray tower and moves the stream of washing fluid in a circular pattern. The stream of water engages the upper rotatable member of the spray tower and the upper rotatable member rotates in response thereto. One form of the invention uses a deflecting surface on the rotatable member for causing rotational movement of the rotatable member and for causing precession of the rotatable member. Another modification of the present invention utilizes a pair of intermeshing gears for causing precession of the rotatable member.
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Johnson Thomas M.
Jones Jeffrey T.
Ness Brian L.
Welch Rodney M.
Coe Philip R.
Maytag Corporation
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