Composition including refrigerant, use thereof, refrigerator having same, and method for operating said refrigerator

A composition comprising a refrigerant, the refrigerant comprising CO2, trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-l-propene (R1234yf), wherein

• when the mass % of CO2, R32, HFO-1132(E), and R1234yf based on their sum is respectively represented by w, x, y, and z;
• if 0<w≤1.2, coordinates (x,y,z) in a ternary composition diagram in which the sum of R32, HFO-1132(E), and R1234yf is (100-w) mass % are within the range of a figure surrounded by curves IJ and JK, and straight lines KF, FC, and CI that connect the following 5 points:
• point I (0.0, 72.0, 28.0-w),
• point J (18.3, 48.5, 33.2-w),
• point K (36.8, 35.6, 27.6-w),
• point F (−0.0833w+36.717, −4.0833w+5.1833, 3.1666w+58.0997), and
• point C (0.0, −4.9167w+58.317, 3.9167w+41.683), or on the above line segments (excluding points on the straight line CI);
• if 1.2<w≤1.3, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves IJ and JK, and straight lines KF, FC, and CI that connect the following 5 points:
• point I (0.0, 72.0, 28.0-w),
• point J (18.3, 48.5, 33.2-w),
• point K (36.8, 35.6, 27.6-w),
• point F (36.6, −3w+3.9, 2w+59.5), and
• point C (0.0, 0.1081w2−5.169w+58.447, −0.1081w2+4.169w+41.553), or on the above line segments (excluding points on the straight line CI);
• if 1.3<w≤4.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves IJ and JK, and straight lines KB′, B′D, DC, and CI that connect the following 6 points:
• point I (0.0, 72.0, 28.0-w),
• point J (18.3, 48.5, 33.2-w),
• point K (36.8, 35.6, 27.6-w),
• point B′ (36.6, 0.0, -w+63.4),
• point D (−2.8226w+40.211, 0.0, 1.8226w+59.789), and
• point C (0.0, 0.1081w2−5.169w+58.447, −0.1081w2+4.169w+41.553), or on the above line segments (excluding points on the straight line CI);
• or
• if 4.0<w≤7.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves IJ and JK, and straight lines KB′, B′D, DC, and CI that connect the following 6 points:
• point I (0.0, 72.0, 28.0-w),
• point J (18.3, 48.5, 33.2-w),
• point K (36.8, 35.6, 27.6-w),
• point B′ (36.6, 0.0, −w+63.4),
• point D (−2.8w+40.1, 0.0, 1.8w+59.9), and
• point C (0.0, 0.0667w2−4.9667w+58.3, −0.0667w2+3.9667w+41.7), or on the above line segments (excluding points on the straight line CI);
• the curve IJ is represented by coordinates (x, 0.0236x2−1.716x+72, −0.0236x2+0.716x+28-w);
• and
• the curve JK is represented by coordinates (x, 0.0095x2−1.2222x+67.676, −0.0095x2+0.2222x+32.324-w).

A composition comprising a refrigerant, the refrigerant comprising CO2, R32, HFO-1132(E), and R1234yf, wherein

• when the mass % of CO2, R32, HFO-1132(E), and R1234yf based on their sum is respectively represented by w, x, y, and z,
• if 0<≤1.2, coordinates (x,y,z) in a ternary composition diagram in which the sum of R32, HFO-1132(E), and R1234yf is (100-w) mass % are within the range of a figure surrounded by curves IJ and JK, and straight lines KF, FC, and CI that connect the following 4 points:
• point I (0.0, 72.0, 28.0-w),
• point J (18.3, 48.5, 33.2-w),
• point E (18.2, −1.1111w2−3.1667w+31.9, 1.1111w2+2.1667w+49.9), and
• point C (0.0, −4.9167w+58.317, 3.9167w+41.683), or on the above line segments (excluding points on the straight line CI);
• if 1.2<w≤4.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves IJ and JK, and straight lines KF, FC, and CI that connect the following 4 points:
• point I (0.0, 72.0, 28.0-w),
• point J (18.3, 48.5, 33.2-w),
• point E (−0.0365w+18.26, 0.0623w2−4.5381w+31.856, −0.0623w2+3.5746w+49.884), and
• point C (0.0, 0.1081w2−5.169w+58.447, −0.1081w2+4.169w+41.553), or on the above line segments (excluding points on the straight line CI);
• or
• if 4.0<w≤7.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves IJ and JK, and straight lines KF, FC, and CI that connect the following 4 points:
• point I (0.0, 72.0, 28.0-w),
• point J (18.3, 48.5, 33.2-w),
• point E (18.1, 0.0444w2−4.3556w+31.411, −0.0444w2+3.3556w+50.489), and
• point C (0.0, 0.0667w2−4.9667w+58.3, −0.0667w2+3.9667w+41.7), or on the above line segments (excluding points on the straight line CI), and
• the curve IJ is represented by coordinates (x, 0.0236x2−1.716x+72, −0.0236x2+0.716x+28-w).

A composition comprising a refrigerant, the refrigerant comprising CO2, R32, HFO-1132(E), and R1234yf, wherein

• when the mass % of CO2, R32, HFO-1132(E), and R1234yf based on their sum is respectively represented by w, x, y, and z,
• if 0<w≤0.6, coordinates (x,y,z) in a ternary composition diagram in which the sum of R32, HFO-1132(E), and R1234yf is (100-w) mass % are within the range of a figure surrounded by curves GO and OP, and straight lines PB″, B″D, and DG that connect the following 5 points:
• point G (−5.8333w2−3.1667w+22.2, 7.0833w2+1.4167w+26.2, −1.25w2+0.75w+51.6),
• point O (36.8, 0.8333w2+1.8333w+22.6, −0.8333w2−2.8333w+40.6),
• point P (51.7, 1.1111w2+20.5, −1.1111w2−w+27.8),
• point B″ (−1.5278w2+2.75w+50.5, 0.0, 1.5278w2−3.75w+49.5), and
• point D (−2.9167w+40.317, 0.0, 1.9167w+59.683), or on the above line segments (excluding points on the straight line B″D);
• if 0.6<w≤1.2, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves GN, NO, and OP, and straight lines PB″, B″D, and DG that connect the following 6 points:
• point G (−5.8333w2−3.1667w+22.2, 7.0833w2+1.4167w+26.2, −1.25w2+0.75w+51.6),
• point N (18.2, 0.2778w2+3w+27.7, −0.2778w2−4w+54.1),
• point O (36.8, 0.8333w2+1.8333w+22.6, −0.8333w2−2.8333w+40.6),
• point P (51.7, 1.1111w2+20.5, −1.1111w2−w+27.8),
• point B″ (−1.5278w2+2.75w+50.5, 0.0, 1.5278w2−3.75w+49.5), and
• point D (−2.9167w+40.317, 0.0, 1.9167w+59.683), or on the above line segments (excluding points on the straight line B″D);
• if 0<w≤0.6, the curve GO is represented by coordinates (x, (0.00487w2−0.0059w+0.0072)x2+(−0.279w2+0.2844w−0.6701)x+3.7639w2−0.2467w+37.512, 100-w-x-y);
• if 0.6<w≤1.2, the curve GN is represented by coordinates (x, (0.0122w2≤0.0113w+0.0313)x2+(−0.3582w2+0.1624w−1.4551)x+2.7889w2+3.7417w+43 .824 , 100-w-x-y);
• if 0.6<w≤1.2, the curve NO is represented by coordinates (x, (0.00487w2−0.0059w+0.0072)x2+(−0.279w2+0.2844w−0.6701)x+3.7639w2−0.2467w+37.512, 100-w-x-y);
• if 0<w≤1.2, the curve OP is represented by coordinates (x, (0.0074w2−0.0133w+0.0064)x2+(−0.5839w2+1.0268w−0.7103)x+11.472w2−17.455w+40.07, 100-w-x-y);
• if 1.2<w≤4.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves MW, WN, NO, and OP, and straight lines PB″, B″D, DC, and CM that connect the following 8 points:
• point M (0.0, −0.3004w2+2.419w+55.53, 0.3004w2−3.419w+44.47),
• point W (10.0, −0.3645w2+3.5024w+34.422, 0.3645w2−4.5024w+55.578),
• point N (18.2, −0.3773w2+3.319w+28.26, 0.3773w2−4.319w+53.54),
• point O (36.8, −0.1392w2+1.4381w+24.475, 0.1392w2−2.4381w+38.725),
• point P (51.7, −0.2381w2+1.881w+20.186, 0.2381w2−2.881w+28.114),
• point B″ (51.6, 0.0, −w+48.4),
• point D (−2.8226w+40.211, 0.0, 1.8226w+59.789), and
• point C (0.0, 0.1081w2−5.169w+58.447, −0.1081w2+4.169w+41.553), or on the above line segments (excluding points on the straight lines B″D and CM);
• the curve MW is represented by coordinates (x, (0.0043w2−0.0359w+0.1509)x2+(−0.0493w2+0.4669w−3.6193)x−0.3004w2+2.419w+55.53, 100-w-x-y),
• the curve WN is represented by coordinates (x, (0.0055w2−0.0326w+0.0665)x2+(−0.1571w2+0.8981w−2.6274)x+0.6555w2−2.2153w+54.044, 100-w-x-y),
• the curve NO is represented by coordinates (x, (−0.00062w2+0.0036w+0.0037)x2+(0.0375w2−0.239w−0.4977)x−0.8575w2+6.4941w+36.078, 100-w-x-y), and
• the curve OP is represented by coordinates (x, (−0.000463w2+0.0024w−0.0011)x2+(0.0457w2−0.2581w−0.075)x−1.355w2+8.749w+27.096, 100-w-x-y);
• or if 4.0<w≤7.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves MW, WN, NO, and OP, and straight lines PB″, B″D, DC, and CM that connect the following 8 points:
• point M (0.0, −0.0667w2+0.8333w+58.133, 0.0667w2−1.8333w+41.867),
• point W (10.0, −0.0667w2+1.1w+39.267, 0.0667w2−2.1w+50.733),
• point N (18.2, −0.0889w2+1.3778w+31.411, 0.0889w2−2.3778w+50.389),
• point O (36.8, −0.0444w2+0.6889w+25.956, 0.0444w2−1.6889w+37.244),
• point P (51.7, −0.0667w2+0.8333w+21.633, 0.0667w2−1.8333w+26.667),
• point B″ (51.6, 0.0, -w+48.4),
• point D (−2.8w+40.1, 0.0, 1.8w+59.9), and
• point C (0.0, 0.0667w2−4.9667w+58.3, −0.0667w2+3.9667w+41.7), or on the above line segments (excluding points on the straight lines B″D and CM);
• the curve MW is represented by coordinates (x, (0.00357w2−0.0391w+0.1756)x2+(−0.0356w2+0.4178w−3.6422)x−0.0667w2+0.8333w+58.103, 100-w-x-y),
• the curve WN is represented by coordinates (x, (−0.002061w2+0.0218w−0.0301)x2+(0.0556w2−0.5821w−0.1108)x−0.4158w2+4.7352w+43.383, 100-w-x-y),
• the curve NO is represented by coordinates (x, 0.0082x2+(0.0022w2−0.0345w−0.7521)x−0.1307w2+2.0247w+42.327, 100-w-x-y), and
• the curve OP is represented by coordinates (x, (−0.0006258w2+0.0066w−0.0153)x2+(0.0516w2−0.5478w+0.9894)x−1.074w2+11.651w+10.992, 100-w-x-y).

A composition comprising a refrigerant, the refrigerant comprising CO2, R32, HFO-1132(E), and R1234yf, wherein

• when the mass % of CO2, R32, HFO-1132(E), and R1234yf based on their sum is respectively represented by w, x, y, and z,
• if 0<w≤0.6, coordinates (x,y,z) in a ternary composition diagram in which the sum of R32, HFO-1132(E), and R1234yf is (100-w) mass % are within the range of a figure surrounded by a curve GO, and straight lines OF and FG that connect the following 3 points:
• point G (−5.8333w2−3.1667w+22.2, 7.0833w2+1.4167w+26.2, −1.25w2+0.75w+51.6),
• point O (36.8, 0.8333w2+1.8333w+22.6, −0.8333w2−2.8333w+40.6), and
• point F (−0.0833w+36.717, −4.0833w+5.1833, 3.1666w+58.0997), or the above line segments;
• the curve GO is represented by coordinates (x, (0.00487w2−0.0059w+0.0072)x2+(−0.279w2+0.2844w−0.6701)x+3.7639w2−0.2467w+37.512, 100-w-x-y);
• if 0.6<w≤1.2, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves GN and NO, and straight lines OF and FG that connect the following 4 points:
• point G (−5.8333w2−3.1667w+22.2, 7.0833w2+1.4167w+26.2, −1.25w2+0.75w+51.6),
• point N (18.2, 0.2778w2+3.0w+27.7, −0.2.778w2−4.0w+54.1),
• point O (36.8, 0.8333w2+1.8333w+22.6, −0.8333w2−2.8333w+40.6), and
• point F (−0.0833w+36.717, −4.0833w+5.1833, 3.1666w+58.0997), or on the above line segments;
• if 0.6<w≤1.2, the curve GN is represented by coordinates (x, (0.0122w2−0.0113w+0.0313)x2+(−0.3582w2+0.1624w−1.4551)x+2.7889w2+3.7417w+43.824, 100-w-x-y);
• if 0.6<w≤1.2, the curve NO is represented by coordinates (x, (0.00487w2−0.0059w+0.0072)x2+(−0.279w2+0.2844w−0.6701)x+3.7639w2−0.2467w+37.512, 100-w-x-y);
• if 1.2<w≤1.3, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves MW, WN, and NO, and straight lines OF, FC, and CM that connect the following 6 points:
• point M (0.0, −0.3004w2+2.419w+55.53, 0.3004w2−3.419w+44.47),
• point W (10.0, −0.3645w2+3.5024w+34.422, 0.3645w2−4.5024w+55.578),
• point N (18.2, −0.3773w2+3.319w+28.26, 0.3773w2−4.319w+53.54),
• point O (36.8, −0.1392w2+1.4381w+24.475, 0.1392w2−2.4381w+38.725),
• point F (36.6, −3w+3.9, 2w+59.5), and
• point C (0.0, 0.1081w2−5.169w+58.447, −0.1081w2+4.169w+41.553), or on the above line segments (excluding points on the straight line CM);
• the curve MW is represented by coordinates (x, (0.0043w2−0.0359w+0.1509)x2+(−0.0493w2+0.4669w−3.6193)x−0.3004w2+2.419w+55.53, 100-w-x-y),
• the curve WN is represented by coordinates (x, (0.0055w2−0.0326w+0.0665)x2+(−0.1571w2+0.8981w−2.6274)x+0.6555w2−2.2153w+54.044, 100-w-x-y), and
• the curve NO is represented by coordinates (x, (−0.00062w2+0.0036w+0.0037)x2+(0.0375w2−0.239w−0.4977)x−0.8575w2+6.4941w+36.078, 100-w-x-y);
• if 1.3<w≤4.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves MW, WN, and NO, and straight lines OB′, B′D, DC, and CM that connect the following 7 points:
• point M (0.0, −0.3004w2+2.419w+55.53, 0.3004w2−3.419w+44.47),
• point W (10.0, −0.3645w2+3.5024w+34.422, 0.3645w2−4.5024w+55.578),
• point N (18.2, −0.3773w2+3.319w+28.26, 0.3773w2−4.319w+53.54),
• point O (36.8, −0.1392w2+1.4381w+24.475, 0.1392w2−2.4381w+38.725),
• point B′ (36.6, 0.0, -w+63.4),
• point D (−2.8226w+40.211, 0.0, 1.8226w+59.789), and
• point C (0.0, 0.1081w2−5.169w+58.447, −0.1081w2+4.169w+41.553), or on the above line segments (excluding points on the straight line CM);
• the curve MW is represented by coordinates (x, (0.0043w2−0.0359w+0.1509)x2+(−0.0493w2+0.4669w−3.6193)x−0.3004w2+2.419w+55.53, 100-w-x-y),
• the curve WN is represented by coordinates (x, (0.0055w2−0.0326w+0.0665)x2+(−0.1571w2+0.8981w−2.6274)x+0.6555w2−2.2153w+54.044, 100-w-x-y), and
• the curve NO is represented by coordinates (x, (−0.00062w2+0.0036w+0.0037)x2+(0.0375w2−0.239w−0.4977)x+(−0.8575w2+6.4941w+36.078), 100-w-x-y);
• or
• if 4.0<w≤7.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves MW, WN, and NO, and straight lines OB′, B′D, DC, and CM that connect the following 7 points:
• point M (0.0, −0.0667w2+0.8333w+58.133, 0.0667w2−1.8333w+41.867),
• point W (10.0, −0.0667w2+1.1w+39.267, 0.0667w2−2.1w+50.733),
• point N (18. 2, −0.0889w2+1.3778w+31.411, 0.0889w2−2.3778w+50.389),
• point O (36.8, −0.0444w2+0.6889w+25.956, 0.0444w2−1.6889w+37.244),
• point B′ (36.6, 0.0, −w+63.4),
• point D (−2.8w+40. 1, 0.0, 1.8w+59.9), and
• point C (0.0, 0.0667w2−4.9667w+58.3, −0.0667w2+3.9667w+41.7), or on the above line segments (excluding points on the straight line CM);
• the curve MW is represented by coordinates (x, (0.00357w2−0.0391w+0.1756)x2+(−0.0356w2+0.4178w−3.6422)x−0.0667w2+0.8333w+58.103, 100-w-x-y),
• the curve WN is represented by coordinates (x, (−0.002061w2+0.0218w−0.0301)x2+(0.0556w2−0.5821w−0.1108)x−0.4158w2+4.7352w+43.383, 100-w-x-y), and
• the curve NO is represented by coordinates (x, (0.0082x2+(0.0022w2−0.0345w−0.7521)x−0.1307w2+2.0247w+42.327, 100-w-x-y).

A composition comprising a refrigerant, the refrigerant comprising CO2, R32, HFO-1132(E), and R1234yf, wherein

• when the mass % of CO2, R32, HFO-1132(E), and R1234yf based on their sum is respectively represented by w, x, y, and z,
• if 1.2<w≤4.0, coordinates (x,y,z) in a ternary composition diagram in which the sum of R32, HFO-1132(E), and R1234yf is (100-w) mass % are within the range of a figure surrounded by curves MW and WN, and straight lines NE, EC, and CM that connect the following 5 points:
• point M (0.0, −0.3004w2+2.419w+55.53, 0.3004w2−3.419w+44.47),
• point W (10.0, −0.3645w2+3.5024w+34.422, 0.3645w2−4.5024w+55.578),
• point N (18.2, −0.3773w2+3.319w+28.26, 0.3773w2−4.319w+53.54),
• point E (−0.0365w+18.26, 0.0623w2−4.5381w+31.856, −0.0623w2+3.5746w+49.884), and
• point C (0.0, 0.1081w2−5.169w+58.447, −0.1081w2+4.169w+41.553), or on the above line segments (excluding points on the straight line CM);
• the curve MW is represented by coordinates (x, (0.0043w2−0.0359w+0.1509)x2+(−0.0493w2+0.4669w−3.6193)x−0.3004w2+2.419w+55.53, 100-w-x-y), and the curve WN is represented by coordinates (x, (0.0055w2−0.0326w+0.0665)x2+(−0.1571w2+0.8981w−2.6274)x+0.6555w2−2.2153w+54.044, 100-w-x-y);
• or
• if 4.0<w≤7.0, coordinates (x,y,z) in a ternary composition diagram are within the range of a figure surrounded by curves MW and WN, and straight lines NE, EC, and CM that connect the following 5 points:
• point M (0.0, −0.0667w2+0.8333w+58.133, 0.0667w2−1.8333w+41.867),
• point W (10.0, −0.0667w2+1.1w+39.267, 0.0667w2−2.1w+50.733),
• point N (18.2, −0.0889w2+1.3778w+31.411, 0.0889w2−2.3778w+50.389),
• point E (18.1, 0.0444w2−4.3556w+31.411, −0.0444w2+3.3556w+50.489), and
• point C (0.0, 0.0667w2−4.9667w+58.3, −0.0667w2+3.9667w+41.7), or on the above line segments (excluding points on the straight line CM);
• the curve MW is represented by coordinates (x, (0.00357w2−0.0391w+0.1756)x2+(−0.0356w2+0.4178w−3.6422)x−0.0667w2+0.8333w+58.103, 100-w-x-y), and
• the curve WN is represented by coordinates (x, (−0.002061w2+0.0218w−0.0301)x2+(0.0556w2−0.5821w−0.1108)x−0.4158w2+4.7352w+43.383, 100-w-x-y).