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Railcar truck roller bearing adapter pad systems

A technology of roller bearings and adapters, used in bogies, axle box installations, railway car body parts, etc., can solve problems such as swinging

Active Publication Date: 2020-04-17
NEVIS IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wobble is more likely to occur when bogies are not properly aligned when they are manufactured or have been misaligned over time by experiencing different operating conditions such as wear on the bogie components

Method used

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  • Railcar truck roller bearing adapter pad systems
  • Railcar truck roller bearing adapter pad systems
  • Railcar truck roller bearing adapter pad systems

Examples

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Embodiment

[0268] In one embodiment, disclosed herein is an adapter pad system configured to be disposed between a wheel set roller bearing of a rail car truck and a sideframe pedestal top plate. The adapter pad system may include a roller bearing adapter having first and second vertical shoulders projecting upwardly from a top surface of the adapter. The adapter pad system may also include an adapter pad configured to interact with the roller bearing adapter, having a top plate having an inner surface and an outer surface, a central portion, first and second upwardly protruding from opposite edges of the central portion Two upturned regions, a first lateral flange protruding outward from the first upturned region, and a second lateral flange protruding outward from the second upturned region; a bottom plate having an inner surface and an outer surface, a central portion, first and second upturned regions projecting upwardly from opposite edges of said central portion, a first lateral fl...

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Abstract

The invention relates to a railcar truck and an adapter pad system (198) for placement between a roller bearing (5) and side frame pedestal roof (152) of a three-piece railcar truck. Many different features of the pad (198) and / or the adapter-pad interface are configured to improve stiffness characteristics to satisfy both curving and high speed performance of the railcar truck.

Description

[0001] This application is a branch of an invention patent application with the application number 201680041419.9, the application date is May 12, 2016, entered the Chinese national phase on January 12, 2018, and the invention name is "Railway Car Bogie Roller Bearing Adapter Pad System" case application. [0002] Cross References to Related Applications [0003] This patent application claims the benefit of U.S. Nonprovisional Patent Application US 15 / 152,860, filed May 12, 2016, entitled "Railway Car Bogie Roller Bearing Adapter Pad System," and U.S. Provisional Patent Application, filed May 13, 2015 Application US62 / 161,139, which is also a continuation-in-part of US patent application US14 / 585,569 filed on December 30, 2014, which requires (and thus this patent application) to be filed separately on December 30, 2013 U.S. Provisional Applications US61 / 921,961 and US62 / 065,438 filed on October 17, 2014; U.S. Patent Application No. 14 / 562,005, filed December 5, 2014, and U....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61F5/30B61F5/32
CPCB61F5/305B61F5/32
Inventor 埃里克·L·戈特伦德乔恩·R·耶马贝伊F·安德鲁·尼鲍尔詹姆斯·A·派克贾森·C·布莱恩特乔纳森·A·斯塔尔威廉·A·库尔茨哈尔斯罗尚·N·马尼巴拉特希
Owner NEVIS IND
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