| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel and advantageous multistage apparatus for thermal energy control by a method wherein working fluid in the absorbent circuit of one generator working at a high pressure has steam pressure characteristics having temperature higher than that of the steam pressure characteristics of working fluid in the other working fluid circuit of the other generator. SOLUTION: This device contains two working fluid circuits having seven containers. One container (A1×B1 ) thereof is common to the two working fluid circuits. The two containers work at a high pressure area, the two containers works at a low pressure area, the three containers work at an intermediate pressure rear, the container common to the two working fluid circuits works at the lowermost temperature area (a class A2×B2 ), and working fluid is circulated in a form of a heat pump. In this case, heat is transferred between at least the two containers. Working fluid in the absorbent circuit of one generator working at a high pressure of two generators working at a given pressure has steam characteristics having temperature higher than that of the steam pressure characteristics of working fluid in the other working fluid circuit of the other generator working at a further lower pressure.
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