Fluid handling – Removable valve head and seat unit – Retained by bonnet or closure
Patent
1992-12-09
1994-01-11
Rosenthal, Arnold
Fluid handling
Removable valve head and seat unit
Retained by bonnet or closure
1374542, 13762547, 251145, 251207, F16K 11083
Patent
active
052772217
ABSTRACT:
The space necessary for the installation of gas feed valves for domestic applications and the like of the type wherein gas feed valves take gas from a main gas feed duct and deliver it to gas using units is minimized by arranging the valves within the main gas feed duct, and by providing valves which include a valve body having at least one gas admission orifice opening directly within the gas space of the duct and a gas discharge, section opening outside of the duct. The valve body is fixedly arranged within the gas space of the duct by a suitable clamping arrangement, the valve body having a valve member concentrically arranged within the same for closing and opening the admission orifice and the discharge section. A valve cap is attached to the end of the valve body opposite the discharge section, and a valve stem is coupled to the valve member and is supported by the cap, with the clamping arrangement being provided respectively at the valve cap and at the discharge section, whereby the only portions of the valve which protrude outwardly of the gas feed duct are the discharge section on one side of the duct and the valve cap and valve stem on the opposite side of the duct.
REFERENCES:
patent: 676536 (1901-06-01), Ferguson
patent: 1899826 (1933-02-01), Rice
patent: 3746039 (1973-07-01), Demi
patent: 4187872 (1980-02-01), Freeman et al.
patent: 4823838 (1989-04-01), Ferlin
patent: 4927747 (1990-05-01), Nitta
patent: 4929176 (1990-05-01), Nitta
Robertshaw Controls Co., "Flame Repeatability East as One-Two-Three," Proportional Flow Gas Valve, Model BP Catalog, cover page & pp. 8, 9, 14 (date unknown).
Instituto Mexicano de Investigaciones de Manufacturas Metal Mech
Rosenthal Arnold
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