Ball bearing

US12320388B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12320388-B2
Application numberUS-202218548956-A
CountryUS
Kind codeB2
Filing dateJan 27, 2022
Priority dateMar 2, 2021
Publication dateJun 3, 2025
Grant dateJun 3, 2025

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  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A ball bearing for the scroll of a scroll compressor, having an outer race, an inner race and a plurality of balls disposed therebetween, characterized in that the balls are held and guided in a ball bearing cage, wherein the ball bearing cage is formed as an externally guided plastic cage with a reinforcing structure made of metal as a hybrid cage.

First claim

Opening claim text (preview).

The invention claimed is: 1. A ball bearing for the scroll of a scroll compressor, comprising an outer race, an inner race, and a plurality of balls disposed therebetween, wherein the balls are held and guided in a ball bearing cage, wherein the ball bearing cage is formed as an externally guided plastic cage with a reinforcing structure made of metal as a hybrid cage, wherein the reinforcing structure is formed as a circumferentially shaped ring with an H-profile, and wherein the H-profile has two parallel lateral flanks, which are connected to each other by a central web, a first one of the lateral flanks is inside the plastic cage and a second one of the lateral flanks is outside the plastic cage. 2. The ball bearing according to claim 1 , wherein the reinforcing structure is an insert in the plastic cage of the ball bearing cage for reinforcing a web area. 3. The ball bearing according to claim 1 , wherein the ball bearing cage is formed from polyamide-imide. 4. The ball bearing according to claim 1 , wherein the ball bearing cage is formed from polyether ether ketone. 5. The ball bearing according to claim 1 , wherein the ball bearing cage is formed from phenolic resin with meshed cotton fabric. 6. A ball bearing for the scroll of a scroll compressor, comprising an outer race, an inner race, and a plurality of balls disposed therebetween, wherein the balls are held and guided in a ball bearing cage, wherein the ball bearing cage is formed as an externally guided plastic cage with a reinforcing structure made of metal as a hybrid cage, wherein the reinforcing structure is formed as a circumferentially shaped ring with an X-profile, and wherein the X-profile is completely surrounded by the plastic cage.

Assignees

Inventors

Classifications

  • Imides, e.g. polyimide [PI], polyetherimide [PEI] (F16C2208/58 takes precedence) · CPC title

  • Engines or pumps · CPC title

  • Phenolic resin · CPC title

  • Polyamideimide [PAI] (F16C2208/58 takes precedence) · CPC title

  • Polyarylene ether ketones [PAEK], e.g. PEK, PEEK (F16C2208/58 takes precedence) · CPC title

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Frequently asked questions

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What does patent US12320388B2 cover?
A ball bearing for the scroll of a scroll compressor, having an outer race, an inner race and a plurality of balls disposed therebetween, characterized in that the balls are held and guided in a ball bearing cage, wherein the ball bearing cage is formed as an externally guided plastic cage with a reinforcing structure made of metal as a hybrid cage.
Who is the assignee on this patent?
Hanon Systems
What technology area does this patent fall under?
Primary CPC classification F16C33/3831. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Jun 03 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).