Self-lubricating rolling bearing and preparation method therefor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11085097
APP PUB NO 20190194771A1
SERIAL NO

16327884

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A self-lubricating rolling bearing is provided. The chemical compositions in the inner rings and the outer rings of bearing are 3.4-3.7% C, 2.7-2.9% Si, 0.3-0.5% Mn, 0.3-0.5% Cr, ≤0.05% S, ≤0.05% P, 0.03-0.045% Residual Mg, and the remainder Fe. The total percent of the chemical compositions is 100%. The material for the inner and outer rings of the rolling bearing introduced in the invention is austempered ductile iron (ADI). In the microstructure of ADI, the diameter of the graphite nodules is less than 0.02 mm, the number of graphite spheres per square millimeter is more than 400, and the microstructure of the metal matrix in the ADI can be showed clearly only when it is observed on the microscope with a magnification more than 500. Eventually, the self-lubricating rolling bearings are made from the ADI.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
XI'AN UNIVERSITY OF TECHNOLOGY710048 SHAANXI PROVINCE XI'AN BEILIN DISTRICT JINHUA ROAD NO 5 XI'AN CITY SHAANXI PROVINCE 710048

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Baojian Shaanxi, CN 3 5
Xu, Yang Shaanxi, CN 501 4586
Yan, Guojun Shaanxi, CN 1 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Feb 10, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Feb 10, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 10, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00