Butterfly outflow valve
AssigneeHoneywell International Inc.
InventorsDarrell Horner, Simon Waddell, Christopher Thomas, Steven Carter
Life of this patent
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Abstract
An outflow valve is disclosed for use in a pressure vessel. The outflow valve includes a dual wall valve housing having a central bore, a butterfly plate assembly and an angled drive shaft. The butterfly plate assembly is designed to fit and rotate within the central bore. The angled drive shaft has first and second ends rotateably coupled to the dual wall valve housing, and the angled drive shaft is attached to the butterfly plate. The drive shaft is designed to rotate the butterfly plate assembly between a closed position and an open position within the central bore.
Claims19
An outflow valve, the outflow valve comprising:
- a dual wall valve housing having a central bore;
- a butterfly plate assembly rotationally disposed within the central bore;
- and
- an angled drive shaft coupled to the butterfly plate assembly with a plurality of fasteners, the angled drive shaft comprising first and second ends rotationally coupled to the dual wall valve housing and configured to rotate the butterfly plate assembly between a closed position and an open position.
An outflow valve, comprising:
- a cylindrical valve housing including a inner sleeve and an outer housing;
- an angled drive shaft having first and second ends rotateably coupled to the cylindrical valve housing;
- a butterfly plate dimensioned to fit within the cylindrical valve housing, the butterfly plate being fixedly coupled to the angled drive shaft and configured to rotate with the angled drive shaft between a closed position and an open position;
- and
- a wiper seal mounted around a perimeter of the butterfly plate, the wiper seal being configured to sealingly engage the inner sleeve at least when the butterfly plate is in the closed position.
The outflow valve of claim 17, wherein the outer housing includes first and second housing bosses molded into the outer housing, the first and second housing bosses configured to couple with the first and second drive shaft reinforcing sleeves.
Dependencies are inferred from the claim text.