Composition for heat cycle system, and heat cycle system
AssigneeAGC Inc.
InventorsMasato Fukushima, Hiroaki Mitsuoka, Mai Tasaka
Life of this patent
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Abstract
To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing trifluoroethylene, and a refrigerant oil (for example, an ester refrigerant oil, an ether refrigerant oil, a polyglycol refrigerant oil or a hydrocarbon refrigerant oil), and a heat cycle system employing the composition for a heat cycle system.
Claims10
A composition for a heat cycle system, comprising a working fluid for heat cycle, and a refrigerant oil, wherein the kinematic viscosity of the refrigerant oil at 40° C. is from 1 to 750 mm2/s, and the working fluid for heat cycle comprises at least 95 mass % of trifluoroethylene (HFO-1123), difluoromethane (HFC-32), and 2,3,3,3-tetrafluoropropene (HFO-1234yf) in amounts of:
- 10 mass %≤HFO-1123≤80 mass %;
- 10 mass %≤HFC-32≤75 mass %;
- and
- 5 mass %≤HFO-1234yf≤40 mass %.
Dependencies are inferred from the claim text.