20240044374. SEALING DEVICE FOR BEARING UNIT simplified abstract (AKTIEBOLAGET SKF)

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SEALING DEVICE FOR BEARING UNIT

Organization Name

AKTIEBOLAGET SKF

Inventor(s)

Andrea Serafini of Pinerolo (IT)

SEALING DEVICE FOR BEARING UNIT - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240044374 titled 'SEALING DEVICE FOR BEARING UNIT

Simplified Explanation

The abstract describes a sealing device for a bearing unit that prevents external contaminants from entering the unit. The device is located inside the bearing unit and consists of two annular metal screens and a sealing element made of elastomeric material. The sealing element is rigidly connected to one of the screens and has a shaped protrusion that extends radially outward from the other screen, creating an annular opening. The stationary screen and the sealing element also define a linear drainage and flow channel that communicates with the outside through the annular opening.

  • The sealing device is arranged inside a bearing unit to protect it from external contaminants.
  • It includes two annular metal screens and a sealing element made of elastomeric material.
  • The sealing element is connected to one of the screens and has a protrusion that defines an annular opening with the other screen.
  • The stationary screen and the sealing element create a linear drainage and flow channel that extends radially within the device.
  • The drainage and flow channel allows for the removal of fluids and contaminants from the sealing device.

Potential Applications:

  • This sealing device can be used in various types of bearing units, such as those used in machinery, vehicles, or industrial equipment.
  • It can be particularly useful in applications where the bearing unit is exposed to harsh environments or contaminants, such as in mining or construction equipment.

Problems Solved:

  • The sealing device prevents external contaminants, such as dust, dirt, or liquids, from entering the bearing unit.
  • It ensures the proper functioning and longevity of the bearing unit by protecting it from damage caused by contaminants.
  • The linear drainage and flow channel allow for the efficient removal of fluids and contaminants, preventing buildup and maintaining optimal performance.

Benefits:

  • Improved reliability and durability of bearing units by preventing contamination.
  • Reduces maintenance and repair costs associated with bearing unit failures caused by external contaminants.
  • Enhances the overall performance and efficiency of machinery or equipment by ensuring the smooth operation of bearing units.


Original Abstract Submitted

a sealing device for sealing a bearing unit against external contaminants is arranged substantially inside a cavity of the bearing unit and is provided with two annular metal screens and a sealing element made of elastomeric material. the sealing element is rigidly connected to a rotary one of the two annular screens and is provided with a shaped protrusion projecting radially outwardly from a stationary one of the two annular screens to define, together with the stationary screen, an annular opening of the sealing device. the stationary screen and the sealing element also together defining a drainage and flow channel in communication with the outside of the sealing device through the annular opening, in which the drainage and flow channel is entirely linear and extends in an exclusively radial direction within the sealing device to and from the opening.

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