Refrigeration – Automatic control – Of closed system sorbent type
Reexamination Certificate
2006-06-20
2006-06-20
Jones, Melvin (Department: 3744)
Refrigeration
Automatic control
Of closed system sorbent type
C062S441000, C062S476000
Reexamination Certificate
active
07062928
ABSTRACT:
The present invention relates to an absorption refrigerator including a cabinet having outer walls and at least one door encasing a low temperature storage compartment and a higher temperature storage compartment, said compartments being separated by a partition wall, an absorption refrigerating system including an evaporator tube in which a refrigeration medium flows from an upstream end to a downstream end of the evaporator tube, and which evaporator tube comprises a first tube section which is arranged to absorb heat from the low temperature compartment, and at least a second tube section, which is arranged to absorb heat from the higher temperature compartment, a battery arranged to supply power to electronic equipment in said absorption refrigerating system, a control system arranged to control start and stop of said absorption refrigerating system to control the temperature in at least said higher temperature storage compartment to be within a specified temperature range, and a heater arranged in said higher temperature storage compartment provided to apply heat to said higher temperature compartment. The refrigerator is characterized in that said control system comprises a sensor arranged to detect if said battery is currently charged or if AC-power is available, and that said control system is arranged to set freezer control values to a first set of freezer control values if said battery is charged or if AC-power is available and to a second set of freezer control values if said battery is not charged or if AC-power is not available, where at least one of the values in said second set of freezer control values is higher than both values in said first set of freezer control values.
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Hallin Ingemar
Karlsson Arne
Lindhagen Carl
Lundqvist Anton
Reithe Fredrik
Dometic Sweden AB
Jones Melvin
Pearne & Gordon LLP
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