SELF-ADJUSTING SHUTTERS Russian patent published in 2000 - IPC

Abstract RU 2147357 C1

FIELD: natural exhaust ventilation of buildings. SUBSTANCE: changeable drop of pressure before and after shutter 1 is taken by interconnected bellows 5 and 7 mounted respectively in room and in exhaust passage after shutter 1. Resultant motion of rod 8 of bellows 7 is transmitted to shutter 2 by means of rods 13 and 14, thus turning them in accordance with changeable drop of pressure. EFFECT: reduced consumption of thermal energy due to constant rate of natural exhaust at changeable gravitational pressure. 1 dwg

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RU 2 147 357 C1

Authors

Brojda V.A.

Giljazov D.G.

Dates

2000-04-10—Published

1998-10-12—Filed