Evaporator control
AssigneeHubbard Products Limited
InventorSam Olukoju
Life of this patent
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Abstract
An evaporator controller for a plural-coil evaporator of a refrigeration system, the evaporator controller comprising a mode determiner for selecting a mode of operation of the evaporator from a plurality of modes of operation, wherein one mode uses a first coil of the plurality of coils of the evaporator, another mode uses a second coil of the plurality of coils of the evaporator and at least one mode uses more than one of the plurality of coils, based on selection data and a refrigeration requirement, and a selection data updater for updating the selection data based on the selected mode of operation and a process variable of the refrigeration system.
Claims37
An evaporator controller for a plural-coil evaporator of a refrigeration system, the evaporator controller comprising:
- a mode determiner for selecting a mode of operation of the evaporator from a plurality of modes of operation based on selection data and a refrigeration requirement, wherein one of the plurality of modes uses a first coil of the plurality of coils of the evaporator, another one of the plurality of modes uses a second coil of the plurality of coils of the evaporator, and at least one other of the plurality of modes uses more than one of the plurality of coils, and wherein the selection data comprises boundary data relating operational limits of each of the plurality of modes of operation to operational limits of the evaporator;
- and
- a selection data updater for updating the selection data based on the selected mode of operation and a process variable of the refrigeration system.
A method of controlling a plural-coil evaporator of a refrigeration system, the method comprising:
- selecting a mode of operation of the evaporator from a plurality of modes of operation, wherein one of the plurality of modes uses a first coil of the plurality of coils of the evaporator, another one of the plurality of modes uses a second coil of the plurality of coils of the evaporator, and at least one other of the plurality of modes uses more than one of the plurality of coils, wherein the mode of operation is selected based on selection data and a refrigeration requirement, and wherein the selection data comprises boundary data relating operational limits of each of the plurality of modes of operation to operational limits of the evaporator;
- and
- updating the selection data based on a process variable of the refrigeration system.
Dependencies are inferred from the claim text.