Valves and valve actuation – With selective flow regulation – Rotary
Patent
1991-05-17
1992-06-23
Rosenthal, Arnold
Valves and valve actuation
With selective flow regulation
Rotary
138 42, 138 44, 2395903, F16K 4704, F15D 114
Patent
active
051236281
ABSTRACT:
A water saving valve is provided for attachment between a water supply pipe and a showerhead. The water saving valve has a spool fitted in a bore defined by first and second walls having first and second openings, respectively. The first and second walls separate the bore from a pipe passageway and a showerhead passageway, respectively. A circumferentially recessed groove is provided in a central portion of the spool, the recessed groove defined by a core which has a diameter approximately 80% of the diameter of the spool. The core has a valve passageway which, when the spool is fitted in the bore in a first portion, substantially horizontally aligns with the first and second openings to allow water to flow unrestricted therethrough. The spool may be rotated by a handle to different positions to regulate the quantity of water allowed to flow through the showerhead.
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