US2016264396A1PendingUtilityA1

Valve Assembly

Assignee: WEIR MINERALS AUSTRALIA LTDPriority: Oct 31, 2002Filed: Mar 17, 2016Published: Sep 15, 2016
Est. expiryOct 31, 2022(expired)· nominal 20-yr term from priority
Inventors:Peter M. Smit
Y10T137/7303F16K 31/22Y10T137/0874Y10T137/7465B67D 7/367Y10T137/86332F16K 24/044F16K 31/20Y10T137/7358Y10T137/3099B67D 7/365F16K 17/26
54
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Claims

Abstract

A valve assembly able to be mounted with a liquid container, the valve assembly comprising: a housing having a passageway that extends through the housing; a breather float valve mounted within the housing, the breather float valve movable between an open position to allow gas to pass through the passageway and a closed position that prevents liquid from passing through the passageway; a liquid inlet, forming part of the housing, the liquid inlet allowing fluid to pass into the housing; and an inlet float valve mounted within the housing, the inlet float valve movable between an open position that permits the flow of liquid through the liquid inlet and a closed position that prevents the flow of fluid through the liquid inlet.

Claims

exact text as granted — not AI-modified
1 . A valve assembly able to be mounted with a liquid container, the valve assembly comprising:
 a housing having a passageway that extends through the housing;   a breather float valve mounted within the housing, the breather float valve movable between an open position to allow gas to pass through the passageway and a closed position that prevents liquid from passing through the passageway;   an liquid inlet, forming part of the housing, the liquid inlet allowing fluid to pass into the housing; and   an inlet float valve mounted within the housing, the inlet float valve movable between an open position that permits the flow of liquid through the liquid inlet and a closed position that prevents the flow of fluid through the liquid inlet.   
     
     
         2 . The valve assembly of  claim 1  wherein the valve assembly includes a relief valve that is movable between an open position and a closed position to allow pressure to be relieved from the container, 
     
     
         3 . The valve assembly of  claim 1  wherein the housing is cylindrical. 
     
     
         4 . The valve assembly of  claim 1  wherein inlet float valve includes a float and a stem. 
     
     
         5 . The valve assembly of  claim 4  wherein a valve seal is located adjacent the end of the stem. 
     
     
         6 . The valve assembly of  claim 5  wherein a fuel chamber is located adjacent the liquid inlet in which fuel is passed. 
     
     
         7 . The valve assembly of  claim 6  wherein a shelter is provided within the fuel chamber in which an end of the stem is located when the float valve assembly is in the open position. 
     
     
         8 . The valve assembly of  claim 1  wherein the breather float valve includes a rod and breather float. 
     
     
         9 . The valves assembly of  claim 8  wherein a spring engages the breather float valve. 
     
     
         10 . The valve assembly of  claim 2  wherein the relief valve includes a relief plate, a spring and a cap.

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