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US 10,041,708 B2Granted
Heat pump and method for pumping heat in a free cooling mode
AssigneeEfficient Energy GmbH
InventorsHolger Sedlak, Oliver Kniffler
Life of this patent
Estimating the term…
Abstract
A heat pump includes an evaporator with an evaporator inlet and an evaporator outlet; a compressor for compressing operating liquid evaporated in the evaporator; and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser includes a condenser inlet and a condenser outlet, wherein the evaporator inlet is connected to a return from a region to be heated, and wherein the condenser inlet is connected to a return from a region to be cooled.
Claims31
A heat pump, comprising:
- an evaporator with an evaporator inlet and an evaporator outlet;
- a compressor for compressing operating liquid evaporated in the evaporator;
- and
- a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet,
- wherein the evaporator inlet is connected to a return from a region to be heated, and wherein the condenser inlet is connected to a return from a region to be cooled;
- and
- a switch for separating the evaporator inlet from the return from the region to be heated and for connecting the return from the region to be cooled to the evaporator inlet;
- and for separating the condenser inlet from the return from the region to be cooled and for connecting the return from the region to be heated to the condenser inlet.
5 more elements
A method for pumping heat with a heat pump comprising an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator, and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet, comprising:
- introducing operating liquid from a return from a region to be heated into the evaporator inlet;
- introducing operating liquid from a return from a region to be cooled into the condenser inlet;
- separating the evaporator inlet from the return from the region to be heated;
- connecting the return from the region to be cooled to the evaporator inlet;
- separating the condenser inlet from the return of the region to be cooled;
- and
- connecting the return from the region to be heated to the condenser inlet.
4 more elements
A method for producing a heat pump, comprising:
- providing an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator;
- and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet;
- connecting the evaporator inlet to a return from a region to be heated;
- and
- connecting the condenser inlet to a return from a region to be cooled;
- providing a switch for separating the evaporator inlet from the return from the region to be heated;
- for connecting the return from the region to be cooled to the evaporator inlet;
- for separating the condenser inlet from the return of the region to be cooled;
- and for connecting the return from the region to be heated to the condenser inlet.
6 more elements
A heat pump, comprising:
- an evaporator with an evaporator inlet and an evaporator outlet;
- a compressor for compressing operating liquid evaporated in the evaporator;
- a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet,
- wherein the evaporator inlet is connected to a return from a region to be heated, wherein the condenser inlet is connected to a return from a region to be cooled;
- and
- wherein the evaporator outlet is connected to a forward to the region to be cooled, and wherein the condenser outlet is coupled to a forward to the region to be heated.
3 more elements
A heat pump, comprising:
- an evaporator with an evaporator inlet and an evaporator outlet;
- a compressor for compressing operating liquid evaporated in the evaporator;
- a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet,
- wherein the evaporator inlet is connected to a return from a region to be heated, and wherein the condenser inlet is connected to a return from a region to be cooled;
- and
- a first heat exchanger allocated to the region to be cooled, wherein the return from the region to be cooled is connected to a first terminal of the first heat exchanger, and wherein the second terminal of the first heat exchanger is connected to the evaporator outlet;
- or
- a second heat exchanger allocated to the region to be heated, wherein a first terminal of the second heat exchanger is connected to the return from the region to be heated, and wherein the second terminal of the second heat exchanger is connected to the condenser outlet.
5 more elements
A heat pump, comprising:
- an evaporator with an evaporator inlet and an evaporator outlet;
- a compressor for compressing operating liquid evaporated in the evaporator;
- a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet,
- wherein the evaporator inlet is connected to a return from a region to be heated, and wherein the condenser inlet is connected to a return from a region to be cooled;
- and
- a control for reconfiguring the heat pump from a free cooling mode to a normal operating mode,
- wherein the control is implemented to provide a diversion of the return from the region to be heated and the return from the region to be cooled.
4 more elements
A heat pump, comprising:
- an evaporator with an evaporator inlet and an evaporator outlet;
- a compressor for compressing operating liquid evaporated in the evaporator;
- a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet,
- wherein the evaporator inlet is connected to a return from a region to be heated, and wherein the condenser inlet is connected to a return from a region to be cooled;
- and
- a provider for providing an ambient temperature of the region to be heated, wherein a control is implemented to reconfigure, depending on the ambient temperature of the region to be heated, the heat pump from a free cooling mode into a normal operating mode or from the normal operating mode into the free cooling mode.
3 more elements
A heat pump, comprising:
- an evaporator with an evaporator inlet and an evaporator outlet;
- a compressor for compressing operating liquid evaporated in the evaporator;
- a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet,
- wherein the evaporator inlet is connected to a return from a region to be heated, and wherein the condenser inlet is connected to a return from a region to be cooled;
- and
- wherein the return from the region to be heated comprises a pipe connected to the evaporator inlet in a liquid-tight and pressure-tight manner, and wherein the return from the region to be cooled comprises a pipe connected to the condenser inlet in a liquid-tight and pressure-tight manner, or
- wherein the heat pump comprises several interconnected heat pump units, wherein each heat pump unit comprises an evaporator, a compressor and a condenser, or
- wherein the operating liquid is water and the evaporator is implemented to exhibit a negative pressure so that the water evaporates at a temperature of less than 25° Celsius.
5 more elements
A method for pumping heat with a heat pump comprising an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator, and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet, the method comprising:
- introducing operating liquid from a return from a region to be heated into the evaporator inlet;
- and
- introducing operating liquid from a return from a region to be cooled into the condenser inlet;
- wherein the evaporator outlet is connected to a forward to the region to be cooled, and wherein the condenser outlet is coupled to a forward to the region to be heated.
1 more element
A method for pumping heat with a heat pump comprising an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator, and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet, the method comprising:
- introducing operating liquid from a return from a region to be heated into the evaporator inlet;
- and
- introducing operating liquid from a return from a region to be cooled into the condenser inlet;
- wherein the heat pump further comprises a first heat exchanger allocated to the region to be cooled, wherein the return from the region to be cooled is connected to a first terminal of the first heat exchanger, and wherein the second terminal of the first heat exchanger is connected to the evaporator outlet;
- or
- wherein the heat pump further comprises a second heat exchanger allocated to the region to be heated, wherein a first terminal of the second heat exchanger is connected to the return from the region to be heated, and wherein the second terminal of the second heat exchanger is connected to the condenser outlet.
3 more elements
A method for pumping heat with a heat pump comprising an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator, and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet, the method comprising:
- introducing operating liquid from a return from a region to be heated into the evaporator inlet;
- introducing operating liquid from a return from a region to be cooled into the condenser inlet;
- and
- reconfiguring the heat pump from a free cooling mode to a normal operating mode, wherein the reconfiguring comprises providing a diversion of the return from the region to be heated and the return from the region to be cooled.
1 more element
A method for pumping heat with a heat pump comprising an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator, and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet, the method comprising:
- introducing operating liquid from a return from a region to be heated into the evaporator inlet;
- introducing operating liquid from a return from a region to be cooled into the condenser inlet;
- providing an ambient temperature of the region to be heated, and
- reconfiguring, depending on the ambient temperature of the region to be heated, the heat pump from a free cooling mode into a normal operating mode or from the normal operating mode into the free cooling mode.
1 more element
A method for pumping heat with a heat pump comprising an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator, and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet, the method comprising:
- introducing operating liquid from a return from a region to be heated into the evaporator inlet;
- and
- introducing operating liquid from a return from a region to be cooled into the condenser inlet;
- wherein the return from the region to be heated comprises a pipe connected to the evaporator inlet in a liquid-tight and pressure-tight manner, and wherein the return from the region to be cooled comprises a pipe connected to the condenser inlet in a liquid-tight and pressure-tight manner, or
- wherein the heat pump comprises several interconnected heat pump units, wherein each heat pump unit comprises an evaporator, a compressor and a condenser, or
- wherein the operating liquid is water and the evaporator is implemented to exhibit a negative pressure so that the water evaporates at a temperature of less than 25° Celsius.
3 more elements
A method for producing a heat pump, comprising:
- providing an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator;
- and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet;
- connecting the evaporator inlet to a return from a region to be heated;
- connecting the condenser inlet to a return from a region to be cooled;
- connecting the evaporator outlet to a forward to the region to be cooled;
- and
- connecting the condenser outlet to a forward to the region to be heated.
4 more elements
A method for producing a heat pump, comprising:
- providing an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator;
- and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet;
- connecting the evaporator inlet to a return from a region to be heated;
- connecting the condenser inlet to a return from a region to be cooled;
- coupling a first heat exchanger allocated to the region to be cooled, wherein the return from the region to be cooled is connected to a first terminal of the first heat exchanger, and wherein the second terminal of the first heat exchanger is connected to the evaporator outlet;
- or
- coupling a second heat exchanger allocated to the region to be heated, wherein a first terminal of the second heat exchanger is connected to the return from the region to be heated, and wherein the second terminal of the second heat exchanger is connected to the condenser outlet.
4 more elements
A method for producing a heat pump, comprising:
- providing an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator;
- and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet;
- connecting the evaporator inlet to a return from a region to be heated;
- connecting the condenser inlet to a return from a region to be cooled;
- coupling a control for reconfiguring the heat pump from a free cooling mode to a normal operating mode,
- wherein the control is implemented to provide a diversion of the return from the region to be heated and the return from the region to be cooled.
3 more elements
A method for producing a heat pump, comprising:
- providing an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator;
- and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet;
- connecting the evaporator inlet to a return from a region to be heated;
- connecting the condenser inlet to a return from a region to be cooled;
- and
- coupling a provider for providing an ambient temperature of the region to be heated, wherein a control is implemented to reconfigure, depending on the ambient temperature of the region to be heated, the heat pump from a free cooling mode into a normal operating mode or from the normal operating mode into the free cooling mode.
3 more elements
A method for producing a heat pump, comprising:
- providing an evaporator with an evaporator inlet and an evaporator outlet, a compressor for compressing operating liquid evaporated in the evaporator;
- and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser comprises a condenser inlet and a condenser outlet;
- connecting the evaporator inlet to a return from a region to be heated;
- connecting the condenser inlet to a return from a region to be cooled;
- wherein the return from the region to be heated comprises a pipe connected to the evaporator inlet in a liquid-tight and pressure-tight manner, and wherein the return from the region to be cooled comprises a pipe connected to the condenser inlet in a liquid-tight and pressure-tight manner, or
- wherein the heat pump comprises several interconnected heat pump units, wherein each heat pump unit comprises an evaporator, a compressor and a condenser, or
- wherein the operating liquid is water and the evaporator is implemented to exhibit a negative pressure so that the water evaporates at a temperature of less than 25° Celsius.
4 more elements
Dependencies are inferred from the claim text.