Flushing cisterns
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 3, 1987
Grant Date -
N/A
app pub date -
Aug 9, 1985
filing date -
Aug 9, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flushing cistern to produce an energetic flush with a reduce volume of water, some 5 or 6 liters for low-level use. The cistern has a housing supporting a rotatable water holder having a large flow aperture in a curved surface and otherwise closely conforming to the inside of the housing. The flush outlet is a large tapering outlet of hydraulically-efficient form to which the aperture matches when the holder is rotated to produce a flush. The filling of the water holder can be arranged to occur only when the holder is in the correct position. Fault conditions are indicated by a warning flow of water from an overflow or elsewhere.
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