FIELD: compression refrigeration machines.
SUBSTANCE: regenerative material is defined by the formula R2O2S, where R represents at least one of rare-earth elements such as La, Ce, Pr, Nd, Sm, Eu, Cd, Tb, Dy, Ho, Er, Tm, Yb, Ly, and Y. The regenerator provided with nozzle made of regenerative material on the basis of rare-earth metal oxysulfide comprises oxysulfide of rare-earth metal defined by the formula R2O2S.
EFFECT: prolonged service life.
25 cl, 8 dwg, 17 tbl, 28 ex
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