VERTICAL FLOAT VALVE ASSEMBLY
First Claim
1. A float valve having a body housing and a float, said float for opening and closing said float valve, wherein said float connects with said body housing via a four bar linkage, said float valve having an open position where fluid may flow from a fluid source, through said body housing and into a container, and said float valve having a closed position where fluid is prevented from flowing through said body housing, said open and closed positions controlled by the raising and lowering of said float.
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Accused Products
Abstract
A vertical float valve for use in a fluid reservoir. The vertical float valve able to open and closed based upon the level of fluid within the fluid reservoir. The vertical float valve having a body portion. The body portion attached to a float portion via a four bar (4-bar) linkage.
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Citations
20 Claims
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1. A float valve having a body housing and a float, said float for opening and closing said float valve, wherein said float connects with said body housing via a four bar linkage, said float valve having an open position where fluid may flow from a fluid source, through said body housing and into a container, and said float valve having a closed position where fluid is prevented from flowing through said body housing, said open and closed positions controlled by the raising and lowering of said float.
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2. A valve assembly for use in a fluid reservoir, said valve assembly comprising a body housing, a first parallel link assembly, a second parallel link assembly and a float arm assembly, wherein:
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said body housing having a valve chamber with an inlet and an outlet, the outlet defining a valve sealing device, the body housing having a valve closure element positioned in said valve chamber and normally held in closed relationship to said valve sealing device via biasing means, said valve closure element movable into and out of fluid sealing engagement with said valve sealing device; said first parallel link assembly comprising a first end and a second end defining a longitudinal axis, said first parallel link assembly first end pivotally connected to said body housing adjacent said outlet at a first pivotal connector, said first parallel link assembly second end pivotally connected to said float arm assembly at a second pivotal connector; said second parallel link assembly comprising a first end and a second end defining a longitudinal axis, said second parallel link assembly first end pivotally connected to said body housing at a third pivotal connector, said second parallel link assembly second end pivotally connected to said float arm assembly at a fourth pivotal connector, and; said float arm assembly positionable within said fluid reservoir to respond to a fluid level therein; wherein said second parallel link assembly longitudinal axis is parallel to said first parallel link assembly longitudinal axis, and wherein said first pivotal connector and said third pivotal connector define a housing connector axis there-between, wherein said second pivotal connector and said fourth pivotal connector define a float connector axis there-between, wherein said housing connector axis is parallel to said float connector axis. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A valve assembly for use in a fluid reservoir, said valve assembly comprising a body housing, a first parallel link assembly, a second parallel link assembly and a float arm assembly, wherein:
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said body housing having a valve chamber with an inlet and an outlet, the outlet defining a seat, the body housing having a piston positioned in said valve chamber, said piston having a sealing means for sealing engagement to said seat, said sealing means normally held in closed relationship to said seat via a spring, said sealing means movable into and out of fluid sealing engagement with said seat; said first parallel link assembly comprising a first end and a second end defining a longitudinal axis, said first parallel link assembly first end pivotally connected to said body housing adjacent said outlet at a first pivotal connector, said first parallel link assembly second end pivotally connected to said float arm assembly at a second pivotal connector; said second parallel link assembly comprising a first end and a second end defining a longitudinal axis, said second parallel link assembly first end pivotally connected to said body housing at a third pivotal connector, said second parallel link assembly second end pivotally connected to said float arm assembly at a fourth pivotal connector, and; said float arm assembly positionable within said fluid reservoir to respond to a fluid level therein. - View Dependent Claims (18, 19, 20)
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Specification