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US 2002/0117213 A1Published application
Silo pressure controller
OwnerRonald Vann Stanford, Deryl G. Beakleyinventors
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Abstract
A pressure controller for a storage vessel having an interior chamber into which material is delivered through a fill pipe. A valve is mounted in the fill pipe and controlled by a solenoid valve actuator for closing the valve when a pressure switch, communicating with the interior of the vessel, indicates that pressure in the vessel is excessive.
Claims2
A pressure controller for a storage vessel having an interior chamber into which material is delivered through a fill pipe comprising:
- a valve connected to the fill pipe for controlling the flow of material into the storage vessel;
- a valve actuator associated with said inlet valve and configured for moving the valve between open and closed positions;
- and
- a pressure switch communicating with the interior of the vessel, said pressure switch being configured to deliver a signal to said valve actuator when pressure in the vessel exceeds a predetermined pressure.
1 more element
Dependencies are inferred from the claim text.