MECCANOTECNICA UMBRA S.p.A
MECCANOTECNICA UMBRA S.p.A Patent applications | ||
Patent application number | Title | Published |
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20150115538 | SEAL ASSEMBLY FOR PUMPS AND FLUID MIXERS - An improved front mechanical seal assembly for pumps and fluid mixers, has an empty body that houses a pair of front mechanical seal rings surrounded by an annular chamber ending with an inlet channel obtained in the empty body, one or more channels for introduction of a washing liquid obtained in the empty body and ending into the annular chamber, a flange fixed to the empty body, housed inside the inlet channel and shaped in such manner to determine an overflow that favors the stagnation of the washing liquid in said annular chamber. | 04-30-2015 |
20140319774 | MECHANICAL SEAL - A seal designed for insertion between a rotating shaft and a fixed casing having an opening through which the shaft is fitted, the seal having a sleeve designed to fit onto the shaft; a first sealing ring fitted to the sleeve; a cup designed to fit inside the opening; and a second sealing ring connected to the cup by a bellows of elastomeric material; the first and second sealing rings cooperate frontally with each other under the axial load exerted by a spring interposed between the cup and the second sealing ring; and the bellows is connected in angularly free manner to the cup to prevent self-induced torsional oscillation and noise resulting from it. | 10-30-2014 |