WORKING FLUID FOR VACUUM PUMP Russian patent published in 1994 - IPC

Abstract RU 2011026 C1

FIELD: manufacture of pumps. SUBSTANCE: working fluid consists of 1 to 12% of mono- and/or polyalkydiphenyls containing 10 to 30 atoms of carbon in alkyl chain and mono- and/or polyalkylnaphthalenes containing 6 to 40 atom of carbon. EFFECT: enhanced efficiency.

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RU 2 011 026 C1

Authors

Margulis M.A.

Anpilogov Ju.E.

Shirjaev A.T.

Khakhin S.N.

Zinov'Ev O.I.

Dates

1994-04-15—Published

1991-11-04—Filed