Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Patent
1980-10-10
1983-01-25
Chambers, A. Michael
Fluid handling
With indicator, register, recorder, alarm or inspection means
Position or extent of motion indicator
251216, 251225, 251339, F16K 3700
Patent
active
043698107
ABSTRACT:
A vent valve (10) is disclosed. The valve (10) is comprised of a conduit (12), a cap (14), a nut (16) a bolt (18) and a coupling (20). The coupling (20) connects with a conduit (12) to a radiator (12). A pair of slots (44) in the nut (16) form a vent passage for steam and air to escape the valve (10).
REFERENCES:
patent: 497298 (1893-05-01), Bromeld
patent: 694746 (1902-03-01), Hanna
patent: 1078584 (1913-11-01), Jones
patent: 1275750 (1918-08-01), Riesberg
patent: 1410723 (1922-03-01), Rogers
patent: 1778612 (1930-10-01), Tweed
patent: 2266321 (1941-12-01), Holder
patent: 2287075 (1942-06-01), Yonkers
patent: 2340220 (1944-01-01), Hedfield
patent: 2771902 (1956-11-01), Winchester
patent: 3166666 (1965-01-01), Williams, Jr.
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