US Patent: 2,919,939
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| High Temperature Shaft Seal
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Patentees:
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| Raymond H. Andresen (exact or similar names) - Barrington, Cook County, IL |
| Hilmar A. Andresen (exact or similar names) - Barrington, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 02, 1957 |
| Granted: |
Jan. 05, 1960 |
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Joel Havens
"Vintage Machinery" entry for Gits Bros. Mfg. Co.
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Description: |
| Claim:
Means for sealing a rotatable shaft which comprise, shaft means including first and second coaxial separate shaft parts, an enclosure having fluid under pressure herein and including a wall having an opening through which the shaft means is adapted to extend, one of the shaft parts being disposed inside of said enclosure, a stationary seal ring in said wall around said opening and having a seal face disposed radially with respect to the axis of the shaft means and spaced to project axially into aid enclosure from said wall, coupling means including generally cylindrical member recessed at opposite ends o telescopically receive said shaft parts, said cylindrical aiember and said shaft parts having axially extending tongue and recess means therebetween to couple the shaft parts for corotation while accommodating axial movement of said cylindrical member, means forming a rear ring on said cylindrical member having a radial face confronting said seal face, and a continuous biasing leans between said shaft means and said coupling means load the wear ring and the seal ring into sealing relation with one another. |
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