Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm
Patent
1992-08-06
1993-06-15
Rivell, John
Fluid handling
With indicator, register, recorder, alarm or inspection means
Fluid pressure responsive indicator, recorder or alarm
13762546, 251288, F16K 3700
Patent
active
052189953
ABSTRACT:
A three-way valve assembly connected between the purified water delivery tube and the pressure tank of a reverse osmosis water purifier, which includes a casing having a three-way valve controlled by a rotary lever to open or close the passage way through the casing, and a meter fastened to the casing to measure the quantity of water in the pressure tank.
REFERENCES:
patent: 1328578 (1920-01-01), Malby
patent: 1558789 (1925-10-01), Carrey
patent: 1710128 (1929-04-01), Welch
patent: 3031165 (1962-04-01), Allen
patent: 3361160 (1968-01-01), Alper
patent: 3554225 (1971-01-01), Debenedetto
patent: 3633618 (1972-01-01), Blackmore et al.
patent: 4327589 (1982-05-01), Forster
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