Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1995-05-31
1997-04-22
Drodge, Joseph W.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
7386179, 210 87, 210100, 222 20, B01D 35143, B67D 530
Patent
active
056226187
ABSTRACT:
Apparatus is provided for use as an in-line fluid flow monitor through filter media of a variety typically employed in domestic applications upstream of a kitchen faucet as well as unusually low pressure water supplies. Apparatus includes an outer housing with an input port leading to a rotatable turbine within the housing. The turbine, rotatable about a longitudinal axis, is coupled to an offset gear which, in turn, is coupled to a reduction gear train which includes first and second gear arrays mounted for rotation about a first and second axis located parallel with and spaced from the longitudinal axis. Fluid communication is provided from the turbine chamber through the gear train to an output port. The gear train ends in an output which is engaged in driving relationship with an oppositely disposed rotatable valve member having resilient pawl legs extending therefrom. The pawls are configured to engage the output to provide rotatable ratcheting movement. Fluid flow through the output port is inhibited when a camming stem affixed to the valve member encounters a slot component. Valve closure provides a cue to the user that a predetermined quantity fluid flow occurred. Resetting the apparatus to selected metering quantities occurs by hand manipulating the camming stem from the slot. Apparatus is additionally adaptable to be used with a fluid treatment system including a filter supported from a filter base. Resetting the monitor within the system can occur only when the filter is removed from the base.
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Brane Douglas K.
Brane Earl P.
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