HEATING ELEMENT Russian patent published in 1995 - IPC

Abstract RU 2027968 C1

FIELD: heat-power engineering; in particular, in heat exchangers using condensing steam as heating medium. SUBSTANCE: heating element has tubes mounted coaxially. Outer tube is blanked off on one end and inner tube is provided with perforations on opposite end on the section, 0.15 to 0.2 of its length. On the outer surface of tube there hemispherical extrusions oriented relative to perforations of inner tube. EFFECT: enhanced efficiency. 3 cl, 4 dwg

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RU 2 027 968 C1

Authors

Sudarev A.V.

Sudarev B.V.

Sudarev V.B.

Kondrat'Ev A.A.

Chistjakov D.V.

Dates

1995-01-27—Published

1993-02-24—Filed