Abstract

A heat exchanger having: a first number of channels for a first fluid extending along a first flow direction and in a first transverse direction, wherein the first transverse direction varies along the first flow direction; a second number of channels for a second fluid extending along a second flow direction and in a second transverse direction wherein the second transverse direction varies along the second flow direction; a wall structure configured such that the first number of channels and the second number of channels in thermal interaction, and such that, at a first location of the heat exchanger with respect to the first or second flow direction, the first transverse direction or the second transverse direction are different than a first or second transverse direction at the second location of the heat exchanger with respect to the first or second flow direction.

IPC Classes  ?

• F28D 7/10 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically

Abstract

Apparatus for treating gas having: a compressor with a compressor input and a compress output; a heat exchanger with a first heat exchanger input, a first heat exchanger output, a second heat exchanger input and a second heat exchanger output, wherein the heat exchanger is configured as gas-gas heat exchanger; a turbine with a turbine input and a turbine output, wherein the compressor output is connected to the second heat exchanger input and wherein the second heat exchanger output is connected to the turbine input; an input interface for coupling the compressor input and the first heat exchanger input to a gas supply; and an output interface for coupling the turbine output and the first heat exchanger output to a gas exhaust.

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/06 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders

Abstract

A gas refrigerating machine comprising: an input (2) for gas; a recuperator (10); a compressor (40) having a compressor input (41), the compressor input (41) being coupled to a first recuperator output (12); a heat exchanger (60); a turbine (70); and a gas output (5), wherein the gas refrigerating machine is configured as open system, and wherein the gas refrigerating machine is configured such that a working medium in at least one element of the group of elements comprising the recuperator (10), the compressor (40), the heat exchanger (60) and the turbine (70), is the gas, and wherein the input (2) is arranged at a first portion of a housing (100) of the gas refrigerating machine where the input (2) and the gas output (5) are configured, wherein the gas output (5) is arranged at a second portion of the housing (100) of the gas refrigerating machine, and wherein the first portion is arranged above the second portion in an operating direction in which the gas refrigerating machine is set up for an operation of the gas refrigerating machine.

IPC Classes  ?

• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 9/06 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders

Abstract

A gas refrigerating machine having: an input for gas to be cooled; a recuperator; a compressor having a compressor input, the compressor input being coupled to a first recuperator output; a heat exchanger; a turbine; and a gas output, wherein the recuperator is rotationally symmetrical, wherein an axis of symmetry of the recuperator coincides with an axis of the compressor, or an axis of the turbine, or an axis of a rotor of a drive motor, or an axis of the gas output, or an axis of the input, or an axis of a suction region basically or within manufacturing tolerances.

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/06 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders

Abstract

A gas refrigerating machine having: an input for gas to be cooled; a recuperator; a compressor having a compressor input coupled to a first recuperator output; a heat exchanger; a turbine; and a gas output, wherein the gas refrigerating machine has a housing in the wall of which the input for gas to be cooled is located and in the wall of which the gas output is located, the recuperator, the compressor, the turbine and the heat exchanger arranged in the housing, and the gas refrigerating machine formed as an open system, wherein the input for gas is located in a region to be cooled and the gas output is located in the region to be cooled to suck warm gas from the region to be cooled via the input for gas and to discharge cold gas into the region to be cooled via the gas output.

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/06 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders

Abstract

The invention relates to a device for processing gas, comprising the following features: a compressor (40), which has a compressor inlet (41) and a compressor outlet (42); a heat exchanger (10), which has a heat exchanger inlet (11), a first heat exchanger outlet (12), a second heat exchanger inlet (13) and a second heat exchanger outlet (14), the heat exchanger being in the form of a gas-to-gas heat exchanger; a turbine (70), which has a turbine inlet (71) and a turbine outlet (72), the compressor outlet (42) being connected to the second heat exchanger inlet (13), and the second heat exchanger outlet (14) being connected to the turbine inlet (71); an inlet interface for coupling the compressor inlet (41) and the first heat exchanger inlet (11) to a gas feed; and an outlet interface (200) for coupling the turbine outlet (72) and the first heat exchanger outlet (12) to a gas discharge.

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/06 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders

Abstract

The invention relates to a heat exchanger having the following features: a first number of channels (101a, 101b, 101c) for a first fluid, which extend in a first flow direction of the first fluid and in a first transverse direction, wherein the first transverse direction varies in the first flow direction; a second number of channels (102a, 102b, 102c) for a second fluid, which extend in a second flow direction of the second fluid and in a second transverse direction, wherein the second transverse direction varies in the second flow direction; a wall structure (200a-200e, 202a-202d), which is designed such that the first number of channels and the second number of channels thermally interact and such that the first transverse direction or the second transverse direction in a first position of the heat exchanger with respect to the first or second flow direction is different from a first or second transverse direction in a second position of the heat exchanger with respect to the first or second flow direction.

IPC Classes  ?

• B33Y 80/00 - Products made by additive manufacturing
• F28F 21/06 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material

Abstract

The invention relates to a gas refrigeration machine with the following features: an inlet (2) for gas to be cooled; a recuperator (10); a compressor (40) with a compressor inlet (41), said compressor inlet (41) being coupled to a first recuperator outlet (12); a heat exchanger (60); a turbine (70); and a gas outlet (5), wherein the recuperator (10) is rotationally symmetrical, and the axis of symmetry of the recuperator (10) matches the axis of the compressor (40) or the axis of the turbine (70) or the axis of the rotor (44) or the axis of the gas outlet (5) or the inlet (2) or the axis of a suction region (30) to a substantial degree or within manufacturing tolerances.

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 11/04 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders centrifugal type
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Abstract

The invention relates to a gas refrigeration machine with the following features: an inlet (2) for gas to be cooled; a recuperator (10); a compressor (40) with a compressor inlet (41), said compressor inlet (41) being coupled to a first recuperator outlet (12); a heat exchanger (60); a turbine (70); and a gas outlet (5), wherein the compressor (40) is arranged above the turbine (70) in an operating direction in which the gas refrigeration machine is arranged for an operation of the gas refrigeration machine.

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 11/04 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders centrifugal type
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Abstract

The invention relates to a gas refrigeration machine with the following features: an inlet (2) for gas to be cooled; a recuperator (10) with a suction region (30); a compressor (40) with a compressor inlet (41), said compressor inlet (41) being coupled to a first recuperator outlet (12); a heat exchanger (60); a turbine (70); a gas outlet (5); and a housing (100), in which the compressor (40) and the turbine (70) are accommodated, wherein an electronic assembly (102) for supplying energy to a drive motor for the compressor (40) or for supplying control data to an element of the gas refrigeration machine or for detecting sensor data from an element of the gas refrigeration machine is arranged in a region of the gas refrigeration machine within a housing (100), said region being designed to cool the electronic assembly.

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 11/04 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders centrifugal type
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Abstract

The invention relates to a gas refrigeration machine with the following features: an inlet (2) for gas to be cooled; a recuperator (10); a compressor (40) with a compressor inlet (41), said compressor inlet (41) being coupled to a first recuperator outlet (12); a heat exchanger (60); a turbine (70); and a gas outlet (5), wherein the gas refrigeration machine has a housing (100), the wall of which is equipped with the inlet (2) for the gas to be cooled and the gas outlet (5); the recuperator (10), the compressor (40), the turbine (70), and the heat exchanger (60) are arranged in the housing (100); the gas refrigeration machine is designed as an open system; and the inlet (2) for gas to be cooled is arranged in a region to be cooled, and the gas outlet (5) is arranged in the region to be cooled in order to suction warm gas out of the region to be cooled via the inlet (2) for gas to be cooled and discharge cold gas into the region to be cooled via the gas outlet (5).

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 11/04 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders centrifugal type
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Abstract

The invention relates to a gas refrigeration machine with the following features: an inlet (2) for gas to be cooled; a recuperator (10); a compressor (40) with a compressor inlet (41), said compressor inlet (41) being coupled to a first recuperator outlet (12); a heat exchanger (60); a turbine (70); and a gas outlet (5), wherein the compressor (40) has a compressor wheel (40a), and the turbine (70) has a turbine wheel (70a); the compressor wheel (40a) and turbine wheel (70a) are arranged on a common axis; a rotor (44) of a drive motor is arranged on the common axis, said rotor interacting with a stator of the drive motor; and the compressor wheel (40a) has a larger diameter than the turbine wheel (70a).

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 11/04 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders centrifugal type
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Abstract

The invention relates to a gas refrigeration machine with the following features: an inlet (2) for gas to be cooled; a recuperator (10); a compressor (40) with a compressor inlet (41), said compressor inlet (41) being coupled to a first recuperator outlet (12); a heat exchanger (60); a turbine (70); and a gas outlet (5), wherein the compressor inlet (41) is connected to a suction region (30) which is delimited by a suction wall (31) and extends away from the compressor (40); the recuperator (10) extends at least partly about the suction region (30) and is delimited by the suction wall (31); and the suction wall (31) is designed such that gas can be suctioned from the recuperator (10) into the compressor inlet (41) through the suction wall (31) via the suction region (30).

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 11/04 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders centrifugal type
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Abstract

The invention relates to a gas refrigeration machine with the following features: an inlet (2) for gas; a recuperator (10); a compressor (40) with a compressor inlet (41), said compressor inlet (41) being coupled to a first recuperator outlet (12); a heat exchanger (60); a turbine (70); and a gas outlet (5), wherein the gas refrigeration machine is designed as an open system; the gas refrigeration machine is designed such that a working agent in at least one element of the group of elements comprising the recuperator (10), the compressor (40), the heat exchanger (60), and the turbine (70) is the gas; the inlet (2) is arranged on a first section of a housing (100) of the gas refrigeration machine, said housing being equipped with the inlet (2) and the gas outlet (5); the gas outlet (5) is arranged on a second section of the housing (100) of the gas refrigeration machine; and the first section is arranged above the second section in an operating direction in which the gas refrigeration machine is arranged for an operation of the gas refrigeration machine.

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 11/04 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders centrifugal type
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Abstract

The invention relates to a gas refrigeration machine with the following features: an inlet (2) for gas to be cooled; a recuperator (10) with a suction region (30); a compressor (40) with a compressor inlet (41) and a conducting chamber (45), said compressor inlet (41) being coupled to a first recuperator outlet (12); a heat exchanger (60); a turbine (70); and a gas outlet (5), wherein the compressor (40) is designed to convey gas into the compressor inlet (41) in a first direction via the suction region (30) and feed compressed gas from the conducting chamber (45) to the heat exchanger (60) in a second direction, said second direction differing from the first direction; the conducting chamber (45) has a first delimiting wall and a second delimiting wall; the second delimiting wall is spaced from the first delimiting wall by a gap that forms the first heat exchanger inlet (61), through which the compressed gas can be fed from the conducting chamber (45) into the heat exchanger (60) in the second direction; and the heat exchanger (60) is delimited on a first face by the second delimiting wall of the conducting chamber (45).

IPC Classes  ?

• F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
• F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
• F25B 11/04 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders centrifugal type
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously