CPC F25B 1/10 (2013.01) [F25B 9/008 (2013.01); F25B 5/02 (2013.01); F25B 2341/0011 (2013.01); F25B 2341/0012 (2013.01); F25B 2341/0013 (2013.01); F25B 2400/16 (2013.01)] | 19 Claims |
1. A refrigeration system comprising:
a single compression device having an inlet for receiving refrigerant fluid at a suction pressure and an outlet for providing compressed refrigerant fluid at a discharge pressure;
a heat rejecting heat exchanger arranged to receive compressed refrigerant fluid from the outlet of the compression device;
an ejector having a high pressure inlet, a low pressure inlet, and an outlet, the ejector being arranged to receive refrigerant fluid from the heat rejecting heat exchanger at the high pressure inlet of the ejector;
fluid pathways extending from the outlet of the ejector and branching into a branched flow path in order to provide refrigerant from the outlet of the ejector to a first expansion device and a second expansion device;
a first heat absorbing heat exchanger configured to receive refrigerant fluid from the first expansion device;
a second heat absorbing heat exchanger configured to receive refrigerant fluid from the second expansion device;
a receiver with an inlet configured to receive refrigerant fluid from the outlet of the ejector and a liquid outlet configured to provide refrigerant fluid to the branched flow; and
a first internal heat exchanger provided for transfer of heat from a first flow path after the receiver to a second flow path after the second heat absorbing heat exchanger;
wherein the first heat absorbing heat exchanger is for providing cooling via refrigerant fluid at a first temperature and refrigerant fluid from the outlet of the first heat absorbing heat exchanger is directed to the low pressure inlet of the ejector;
wherein the second heat absorbing heat exchanger is for providing cooling via refrigerant fluid at a second temperature and refrigerant fluid from the outlet of the second heat absorbing heat exchanger is directed to the inlet of the compression device; and
wherein the second temperature is lower than the first temperature.
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