Abstract: Disclosed are refrigerants, and heat transfer compositions, heat transfer systems and heat transfer methods containing such refrigerants, wherein the refrigerant comprises at least about 97% by weight of the following three components (a)-(c) and the following fourth component if present: (a) trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)), (b) trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), (c) trifluoroiodomethane (CF3I), and. (d) 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea).

Abstract: Disclosed are refrigerants, and heat transfer compositions, heat transfer systems and heat transfer methods containing such refrigerants, wherein the refrigerant comprises at least about 97% by weight of the following three components (a)-(c) and the following fourth component if present: (a) trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)), (b) trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), (c) trifluoroiodomethane (CF3I), and. (d) 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea).

Abstract: Disclosed are cascaded refrigeration systems, comprising: a plurality of refrigeration units, each refrigeration unit containing a first refrigeration circuit, each first refrigeration circuit comprising an evaporator and a heat exchanger; and a second refrigeration circuit; wherein each first circuit heat exchanger is arranged to transfer heat energy between its respective first refrigeration circuit and the second refrigeration circuit.

Abstract: Disclosed are refrigerants, and heat transfer compositions, heat transfer systems and heat transfer methods containing such refrigerants, wherein the refrigerant comprises at least about 97% by weight of the following three components (a)-(c) and the following fourth component if present: (a) trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)), (b) trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), (c) trifluoroiodomethane (CF3I), and. (d) 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea).

Abstract: Disclosed are refrigerants, and heat transfer compositions, heat transfer systems and heat transfer methods containing such refrigerants, wherein the refrigerant comprises at least about 97% by weight of the following three components (a)-(c) and the following fourth component if present: (a) trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)), (b) trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), (c) trifluoroiodomethane (CF3I), and. (d) 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea).

Abstract: Disclosed are distributed refrigeration systems, comprising: a plurality of first refrigeration circuits, with each first refrigeration circuit being provided in a respective refrigeration unit; a second refrigeration circuit, the second refrigeration circuit comprising a second circuit heat exchanger; and a third refrigeration circuit, wherein each first circuit heat exchanger is arranged to transfer heat energy between its respective first refrigeration circuit and the second refrigeration circuit; and a third circuit heat exchanger arranged to transfer heat energy between the second refrigeration circuit and the third refrigeration circuit.

Abstract: Disclosed are cascaded refrigeration systems, comprising: a plurality of refrigeration units, each refrigeration unit containing a first refrigeration circuit, each first refrigeration circuit comprising an evaporator and a heat exchanger; and a second refrigeration circuit; wherein each first circuit heat exchanger is arranged to transfer heat energy between its respective first refrigeration circuit and the second refrigeration circuit.

Abstract: Disclosed are refrigerants, and heat transfer compositions, heat transfer systems and heat transfer methods containing such refrigerants, wherein the refrigerant comprises at least about 97% by weight of the following three components (a)-(c) and the following fourth component if present: (a) trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)), (b) trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), (c) trifluoroiodomethane (CF3I), and (d) 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea).

Abstract: Disclosed are methods and compositions comprising HFC-32, HFC-125, transHFO-1234ze, HFC-134a and HFO-1234yf that may be used as a replacement refrigerant in existing systems, and particularly used to partially replace R-404A in existing systems. Also disclosed are refrigeration systems, methods and compositions comprising HFO-1234yf, transHFO-1234ze, HFC-134a, HFC-143a, HFC-125, and HFC-32.

Abstract: A conveying line, in particular a friction roller conveying line, with at least one driving roller driving goods, the driving roller being driven by a drive shaft and the drive shaft having a chain drive. The drive shaft driving the driving roller carries at least two toothed wheels which interact with at least one driving chain driven by the drive.

Abstract: The invention refers to a conveying line, in particular a friction roller conveying line, with at least one driving roller driving the good, the driving roller being driven by a drive shaft and the drive shaft having a chain drive. The invention is characterised by the fact that the drive shaft driving the driving roller carries at least two toothed wheels which interact with at least one driving chain driven by the drive.