Two-way rotating gas dynamic/static pressure mechanical seal type bird wing-shaped groove structure
A gas dynamic and static pressure, two-way rotation technology, applied in the direction of engine seals, mechanical equipment, engine components, etc., can solve the problems of difficult gas pressure in the tank, dry wear of the end face, and short service life of the seal, so as to improve the opening of the end face Performance and anti-interference ability, reduce the probability of end face wear, and prevent the effect of end face wear
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[0023] see Figure 1 to Figure 5 , a bird-wing-shaped groove structure of a bidirectional rotating gas dynamic and static pressure mechanical seal, which includes a dynamic ring and a static ring of the mechanical seal, and is characterized in that: the end face 1 of at least one sealing ring in the dynamic ring and the static ring is set There are a plurality of bird-like wing-like grooves, the bird-like wing-like grooves are shallow grooves on a micron scale, and the bird-like wing-shaped grooves are composed of tail feather-like grooves 3 and flying feather-like grooves 2, The imitation tail feather-shaped groove 3 has a dovetail-like split tail, and the described imitation flight feather-shaped groove 2 is roughly horn-shaped with a thick end and a tail tip, and the described imitation tail feather-shaped groove 3 is arranged horizontally on The thick end of the imitation flying feather-shaped groove 2; there is a sealing weir 4 between the described imitating bird wing-sh...
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