Patent · US Active

Fluid pumping capillary seal for a fluid dynamic bearing

US10267359B2 · kind B2 · utility

0Cited by

32References

20Claims

0Family size

Assignee

Seagate Technology LLC · US

Inventors

Alan Lyndon Grantz · Capitola, US
Lynn Bich-Quy Le · San Jose, US
Klaus Kloeppel · Watsonville, US

Key dates

Filing date	Jun 16, 2016
Grant date	Apr 23, 2019
Priority date	—
Expiry date	Jul 21, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C2370/12
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An apparatus is provided including a shaft, wherein the shaft is stationary. A rotatable component is configured to rotate with respect to the shaft. A fluid is operable to flow between the shaft and the rotatable component. A limiter is at a first axial end of the shaft, and a cup is at a second axial end of the shaft. An axially extending grooved region is between the limiter and the rotatable component.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.