Patent · US Active

Fluid pumping capillary seal for a fluid dynamic bearing

US8618706B2 · kind B2 · utility

2Cited by

25References

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	Dec 4, 2008
Grant date	Dec 31, 2013
Priority date	—
Expiry date	Apr 11, 2032

Classification

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

Abstract

A motor includes a rotatable component rotatable relative to a stationary component, a fluid operable to flow between the rotatable and stationary component, and a capillary sealing component. The capillary sealing component provides a capillary seal and includes at least one tapered slot configured to pump the fluid between the rotatable and stationary components.

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