Compositions and methods for refrigeration

• Main Authors: SINGH RAJIV RATNA, VERA BECERRA ELIZABET DEL CARMEN, BURGER DANIEL, RICHARD ROBERT GERARD, YANA MOTTA SAMUEL F, SPATZ MARK W
• Format: Patent
• Language: Chinese; English
• Published: 13.07.2016
• Subjects: ADHESIVES; BLASTING; CHEMISTRY; COMBINED HEATING AND REFRIGERATION SYSTEMS; DYES; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; WEAPONS

The invention relates to compositions and methods for refrigeration, and especially relates to heat transfer systems, methods and compositions which utilize a heat transfer fluid comprising: (a) from about 30% to about 65% by weight of HFC-134a; (b) from about 0% to about 70% by weight of HFO1234ze; and (c) from about 0% to about 70% by weight of HFO-1234yf, provided that the amount of HFO-1234ze and HFO-1234yf in the composition together is at least about 35% by weight, with the weight percent being based on the total of the components (a)-(c) in the composition. 本发明涉及用于制冷的组合物和方法，更具体地涉及利用传热流体的传热系统、方法和组合物，所述传热流体包含：(a)大约30重量%至大约65重量%的HFC?134a；(b)大约0重量%至大约70重量%的HFO1234ze；和(c)大约0重量%至大约70重量%的HFO?1234yf，条件是该组合物中HFO?1234ze和HFO?1234yf的总量为至少大约35重量%，该重量百分比基于该组合物中组分(a)-(c)的总量。