초록 ▼

A sealing structure for use in efficiently and effectively preventing the egress of grease aerosol particles from a motor. The seal comprises forming a high speed air flow at an outer end of a bearing assembly of the motor, which air flow will not permit the passage of such aerosol particles outside

A sealing structure for use in efficiently and effectively preventing the egress of grease aerosol particles from a motor. The seal comprises forming a high speed air flow at an outer end of a bearing assembly of the motor, which air flow will not permit the passage of such aerosol particles outside the bearing assembly.

대표청구항 ▼

In a motor having a shaft supported at both ends by a first and a second bearing assembly within a cylindrical frame for carrying and driving magnetic discs; a first sealing means for preventing the spread of aerosol particles from said motor, said first sealing means being secured to said frame, sa

In a motor having a shaft supported at both ends by a first and a second bearing assembly within a cylindrical frame for carrying and driving magnetic discs; a first sealing means for preventing the spread of aerosol particles from said motor, said first sealing means being secured to said frame, said first sealing means adjacent to and coaxial with said first bearing assembly for preventing the spread of aerosol particles from said motor; and a second sealing means comprising a high speed air flow in a channel formed shield means at an external end portion of said second bearing assembly, said high speed air flow being generated in said channel on rotation of said cylindrical frame relative to said shaft and preventing the egress of aerosol particles from said bearing assemblies.