Self-sealing hydrodynamic gas radial ceramic bearings
A ceramic bearing and self-sealing technology, applied in sliding contact bearings, rotating bearings, bearings, etc., can solve problems such as performance not meeting design requirements, high cost, low benefit, etc., and achieve easy industrialization and economical implementation. Inexpensive, practical effect
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[0026] Such as Figure 1-4 As shown, the self-sealing dynamic pressure gas radial ceramic bearing according to the embodiment of the present invention includes a ceramic bearing outer sleeve 1 and a ceramic bearing inner sleeve 4 with a clearance fit, and the fit clearance between the ceramic bearing inner sleeve 4 and the ceramic bearing outer sleeve 1 is 0.001- 0.008mm. The outer circle and both ends of the ceramic bearing inner sleeve 4 are provided with regular-shaped grooved patterns, and the regular-shaped grooved patterns form a wedge-shaped space between the ceramic bearing outer sleeve 1 and the ceramic bearing inner sleeve 4. When the ceramic bearing inner sleeve 4 When the ceramic bearing outer sleeve 1 rotates, the gas is driven by its own viscosity and compressed into the wedge-shaped gap, thereby generating dynamic pressure to support the ceramic bearing inner sleeve 4 to rotate. The groove patterns at both ends of the ceramic bearing inner sleeve 4 are arranged...
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