Baths – closets – sinks – and spittoons – Flush closet – Tank only
Patent
1991-05-15
1993-03-23
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Flush closet
Tank only
4415, E03D 134
Patent
active
051951908
ABSTRACT:
A water conserving toilet tank adapter device (10) is provided for use in tank reservoirs (14) of conventional toilets (12). The adapter (10) is a retrofit device for insertion into the tank outlet (18) which effectively raises the level of the drain so as to reduce the amount of water utilized in each flushing cycle. The adapter (10) includes; an outlet tube portion (30) having an interior diameter which is less than that of the tank outlet (18); a swirl disk portion (32), having swirl grooves (46) formed on a construction slope (44) for imparting angular velocity to flush water flowing therethrough; an extension portion (34) for raising the effective drain height; and a flapper rod portion (36) for supporting a conventional ball flap valve (24). An adaptive ring (38) is provided to assure a watertight seal with angularly arrayed tank outlets (18). The adapter (10) provides enhanced effective pressure by using a higher water column and angular flow to compensate for reduced water quantity in each flush cycle.
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Hughes Michael J.
Phillips Charles E.
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