COOLANT COMPOSITION FOR RAILWAY REPRIBARATING EQUIPMENT Russian patent published in 2001 - IPC

Abstract RU 2177491 C2

FIELD: composite coolants used for replacing coolant 12 in railway refrigerating equipment. SUBSTANCE: composition comprises, wt.%: dichloromonofluoromethane (R21), 0.1-13; monochlorodifluoromethane (R22), 60-75; and 1-chloro-1,1-difluoroethane (R142b), 27-39.9. EFFECT: attainment of characteristics close to R21, namely, cold efficiency, reduced energy consumption of refrigerating plants, compatibility of composition with mineral oil and attainment of cooling temperature from plus 4 to minus 27 C. 2 tbl, 6 dwg

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RU 2 177 491 C2

Authors

Naumenko S.N.

Panferov V.I.

Beljaev A.Ju.

Dates

2001-12-27—Published

1999-11-16—Filed