Refrigeration appliance with a fluid reservoir

Patent metadata

Field	Value
Publication number	US-10126044-B2
Application number	US-201515328102-A
Country	US
Kind code	B2
Filing date	Jul 20, 2015
Priority date	Jul 23, 2014
Publication date	Nov 13, 2018
Grant date	Nov 13, 2018

Abstract

A refrigeration appliance, in particular a household refrigeration appliance, includes a heat-insulating wall which delimits a cooled storage chamber, a reservoir embedded or let in the wall and a conduit for a heat transfer fluid. Part of the conduit forms a first heat exchanger which is disposed in thermal contact with the reservoir. A shut-off element can be switched between a position allowing circulation of the heat transfer fluid and a position blocking circulation.

First claim

The invention claimed is:

1. A refrigeration appliance or domestic refrigeration appliance, comprising:
a heat-insulating wall delimiting a cooled storage chamber;
a reservoir embedded in said wall;
a conduit for a heat transfer fluid, said conduit being a closed heat transfer circuit, part of said conduit forming a first heat exchanger disposed in thermal contact with said reservoir, and said conduit having a second part forming a second heat exchanger disposed in thermal contact with said storage chamber; and
a shut-off element to be switched between a position allowing circulation and a position blocking circulation of the heat transfer fluid in said conduit, said shut-off element including a water-filled expandable chamber.

2. The refrigeration appliance according to claim 1 , wherein said heat transfer fluid is a liquid.

3. The refrigeration appliance according to claim 1 , wherein said reservoir has a face facing said storage chamber, and said first heat exchanger is disposed on said face of said reservoir facing said storage chamber.

4. The refrigeration appliance according to claim 1 , wherein said heat-insulating wall has an inner face, and said second heat exchanger is disposed on said inner face of said heat-insulating wall.

5. The refrigeration appliance according to claim 1 , wherein said second heat exchanger is disposed above said first heat exchanger.

6. A refrigeration appliance or domestic refrigeration appliance, comprising:
a heat-insulating wall delimiting a cooled storage chamber, said heat-insulating wall having an inner skin and an insulating material layer;
a reservoir embedded in said wall;
a conduit for a heat transfer fluid, said conduit being a closed heat transfer circuit, part of said conduit forming a first heat exchanger disposed in thermal contact with said reservoir and said conduit having a second part forming a second heat exchanger disposed in thermal contact with said storage chamber, said second heat exchanger being disposed between said inner skin and said insulating material layer of said heat-insulating wall;
a shut-off element to be switched between a position allowing circulation and a position blocking circulation of the heat transfer fluid in said conduit.

7. The refrigeration appliance according to claim 6 , which further comprises a pump disposed in said closed heat transfer circuit.

8. The refrigeration appliance according to claim 7 , wherein said pump forms said shut-off element.

9. The refrigeration appliance according to claim 6 , which further comprises a controlled valve forming said shut-off element.

10. A refrigeration appliance or domestic refrigeration appliance, comprising:
a heat-insulating wall delimiting a cooled storage chamber;
a reservoir embedded in said wall;
a conduit for a heat transfer fluid, said conduit being a closed heat transfer circuit, part of said conduit forming a first heat exchanger disposed in thermal contact with said reservoir, and said conduit having a second part forming a second heat exchanger disposed in thermal contact with said storage chamber; and
a shut-off element to be switched between a position allowing circulation and a position blocking circulation of the heat transfer fluid in said conduit;
the heat transfer fluid having a freezing point, said storage compartment being configured for being cooled to a setpoint temperature below the freezing point of the heat transfer fluid, and said shut-off element being formed by at least one segment of said heat transfer circuit being closed off by freezing the heat transfer fluid.

Assignees

• Bsh Hausgeraete Gmbh

Inventors

• Laible Karl-Friedrich

Classifications

• F25D17/02

  for circulating liquids, e.g. brine · CPC title

• F25D23/126 Primary

  Water cooler · CPC title

• F25D2323/122

  the refrigerator is characterised by a water tank for the water/ice dispenser · CPC title

• F25D23/068

  Arrangements for circulating fluids through the insulating material · CPC title

• F25D11/025 Primary

  using primary and secondary refrigeration systems · CPC title