Power saving apparatuses for refrigeration

A system, comprising:

• a compressor;
• an accumulator comprising:
• a high-pressure chamber;
• and
• a low-pressure chamber,
• wherein:
• the high-pressure chamber is segregated from the low-pressure chamber such that high-pressure refrigerant in the high-pressure chamber is prevented from mixing with low-pressure refrigerant in the low-pressure chamber;
• and
• the high-pressure chamber and low-pressure chamber are thermally coupled such that liquid refrigerant in the low-pressure chamber is vaporized by heat exchange with the high-pressure chamber;
• a turbine coupled to the compressor and the high-pressure chamber of the accumulator, the turbine coupled sequentially between the compressor and the accumulator;
• a throttle;
• a condenser coupled to the high-pressure chamber of the accumulator and the throttle, the condenser coupled sequentially between the accumulator and the throttle;
• and
• an evaporator coupled to the throttle and the low-pressure chamber of the accumulator, the evaporator coupled sequentially between the throttle and the accumulator,
• wherein:
• the high-pressure chamber of the accumulator is coupled sequentially between the turbine and the condenser;
• and
• the low-pressure chamber of the accumulator is coupled sequentially between the evaporator and the compressor.

A method, comprising:

• compressing, at a compressor, a gaseous refrigerant from having a first pressure in a first range to a second pressure in a second range, wherein the first pressure is less than the second pressure;
• directing the gaseous refrigerant from the compressor through a turbine;
• in response to the gaseous refrigerant being directed through the turbine, generating a direct current or an alternating current by the turbine;
• directing the gaseous refrigerant from the turbine through a high-pressure chamber of an accumulator;
• exchanging heat from the gaseous refrigerant in the high-pressure chamber to a low-pressure chamber of the accumulator, wherein:
• the high-pressure chamber is segregated from the low-pressure chamber;
• the gaseous refrigerant drops from the second pressure to a third pressure in a third range;
• and
• the third pressure is less than the second pressure and greater than the first pressure;
• directing the gaseous refrigerant from the high-pressure chamber of the accumulator through a condenser;
• condensing, by the condenser, the gaseous refrigerant to a liquid refrigerant;
• directing the liquid refrigerant from the condenser through a throttle;
• throttling, by the throttle, the liquid refrigerant, wherein:
• the liquid refrigerant undergoes adiabatic expansion as the liquid refrigerant passes through the throttle;
• and
• the liquid refrigerant becomes a gas-liquid mixture of the gaseous refrigerant and the liquid refrigerant as the liquid refrigerant is expelled from the throttle;
• and
• directing the gas-liquid mixture from the throttle through an evaporator;
• absorbing heat, at the evaporator, into the gas-liquid mixture;
• directing the gas-liquid mixture from the evaporator to the low-pressure chamber of the accumulator;
• in response to heat being exchanged from the gaseous refrigerant in the high-pressure chamber to the low-pressure chamber, vaporizing the liquid refrigerant in the gas-liquid mixture, wherein the gas-liquid mixture becomes the gaseous refrigerant;
• and
• directing the gaseous refrigerant from the low-pressure chamber of the accumulator to the compressor.