Fluid handling – Systems – Multi-way valve unit
Patent
1977-01-28
1978-04-04
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
251 636, 251133, 236 49, F16K 3112, F16K 3104, F24F 700
Patent
active
040821145
ABSTRACT:
A valve assembly is disclosed having utility in building air distribution systems, particularly those of the variable air volume type. The assembly includes a plenum chamber having a generally cylindrical sleeve disposed therein, connected to a supply of conditioned air at one end thereof, the other end being blocked by a closure member. A generally cylindrical, balanced valve member cooperates with radially extending apertures in the sleeve to control flow into the plenum chamber. The valve member is mounted for axial movement on tubular means having a bore which extend axially into the sleeve from the closure member.
In order to apply an actuating force to the valve member, connecting means extend therefrom to a position upstream from the end of the tubular means and terminate in a force receiving portion. Means are provided to apply an axial force to said portion by way of the bore in the tubular means and may comprise:
1. a pressure operated diaphragm disposed adjacent said portion to receive a fluid under pressure by way of said bore;
2. a rod extending axially through the closure member and tubular means connected to the force receiving portion, including diaphragm means mounted external of the sleeve; or
3. a rod extending axially through the closure member and tubular means in threaded engagement with the force receiving portion, including a reversible electric motor rotatably connected thereto and mounted externally of the sleeve.
Interchangeable components are utilized to the extent possible in the three embodiments in order to reduce costs.
REFERENCES:
patent: 2725891 (1955-12-01), Bourguignon
patent: 3961748 (1976-06-01), McNabney
Hantke Gerhard John
Ring, Jr. Harry Kenneth
Ferguson Peter D.
Lewis Carl M.
Rosenthal Arnold
The Trane Company
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