Songen Sheng

A Hydrodynamic Laser Surface-Textured Gas Mechanical Face Seal

Gas end surface sealing structure with three-dimensional feather-like textured bottom shaped grooves

Variable distribution porous end face mechanical sealing structure

Negative-pressure profiled groove end face mechanical sealing structure

Gas sealing experimental device

Mechanical seal structure of spike-shaped distribution microporous end surface

Gas face seal structure of three-dimensional shaped groove with bottom similar to feather texture

Self-sealed zero leakage hydrophobic molded surface mechanical sealing end face structure

Self-seal zero-leakage drain-molding-surface mechanical seal face structure

Non-contact type mechanical sealing of shaping groove end face with backflow function