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IPC

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Application

2001125171/06, 2001-09-17

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Start date

2001-09-17

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Actual filing date

2001-09-17

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Published

2003-04-27

(72)

Inventor

Valeev G.G.Gofman G.G.Dzalaev M.K.Libin I.Ja.

(73)

Holder

Zao

VACUUM FREEZE DRYING UNIT Russian patent published in 2003 - IPC

Abstract RU 2203460 C1

FIELD: vacuum freeze drying. SUBSTANCE: unit has vacuum drying chamber, two incoherent microwave oscillators of same waveband, two conical antennas, steam condensing system, vacuum pump, at least one dielectric chute to receive object to be dried, and at least one dielectric shelf horizontally mounted inside drying chamber and used to receive chute. Antennas are coaxially and tightly secured on ends of drying chamber. Output of each microwave oscillator is connected to input of one antenna. Such design improves quality of dried product due to better uniformity of its heating during sublimation; uniform heating of products from inside makes it possible to attain desired residual moisture content of products. EFFECT: reduced drying time and power requirement, simplified design of unit. 9 cl, 5 dwg

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RU 2 203 460 C1

Authors

Valeev G.G.

Gofman G.G.

Dzalaev M.K.

Libin I.Ja.

Dates

2003-04-27—Published

2001-09-17—Filed

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