Handling: hand and hoist-line implements – Utilizing fluid pressure – Venturi effect
Patent
1991-08-22
1994-01-11
Pape, Joseph D.
Handling: hand and hoist-line implements
Utilizing fluid pressure
Venturi effect
417187, B66C 102
Patent
active
052774686
ABSTRACT:
A vacuum control apparatus is positioned remote from the vacuum operated work holding devices themselves, thereby allowing for a remote control system over a plurality of vacuum operated work holding devices. The apparatus also provides the ability to increase the vacuum flow rate available to the vacuum operated work holding devices within the system by increasing the number of vacuum generating venturis engaged in the system. The apparatus includes a venturi manifold and a plurality of venturi nozzles in fluid communication with the manifold. A venturi control valve controls the flow of pressurized air into the manifold and venturi nozzles. The system is fluidly connected to vacuum operated work holding devices by various passages and ports in the manifold. The manifold, venturi valve and venturi nozzles are stackable in two different ways. When the manifolds are stacked in the same orientation with respect to one another, the central vacuum passages communicate with one another to provide the ability to increase vacuum flow rate and thereby to decrease system response time. When the manifolds are stacked in a rotated orientation with respect to one another, the central passages are independent of one another to provide two separate, independently controlled vacuum systems.
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Blatt John A.
Morroney Wayne
Blatt John A.
Pape Joseph D.
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