Fluid handling – Systems – Programmer or timer
Patent
1988-03-31
1989-02-07
Cohan, Alan
Fluid handling
Systems
Programmer or timer
13762547, 134199, B08B 302
Patent
active
048025089
ABSTRACT:
A system which is particularly useful for use with lavage hand and arm washing machines supplies pulsating jets of water alternately to a first bank of nozzles (for the right hand) and a second bank of nozzles (for the left hand) without causing on/off shocks to be applied to the water supply system. This is accomplished by supplying the water from the water supply (either from a pump and reservoir or a municipal water supply) to the inlet of a rotating distributor located inside a housing. Outlet pipes for the two banks of nozzles are located on diametrically opposite sides of the housing and communicate with the interior. The distributor is designed to increase the flow through one of the outlets while simultaneously decreasing the flow to the other outlet by a corresponding amount, in a manner which produces a sinusoidal pulsation of the water flow out of each of the banks of nozzles. The flow through the first bank of nozzles, however, is 180.degree. out of synchronism with the flow through the other bank of nozzles; so that the total flow from the source of fluid is essentially constant at all times.
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Bloom Devin A.
Jones K. Tom
Styles George R.
Cohan Alan
Pacific BioSystems, Inc.
Ptak LaValle D.
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