Crankshaft assembly, compressor and refrigeration device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11493039
SERIAL NO

17135296

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A crankshaft assembly, a compressor and a refrigeration device are provided. The crankshaft assembly has an eccentric shaft component, a spindle component and a main screw oil pump. The eccentric shaft component has an eccentric cavity, and the spindle component has a first cavity communicated with the eccentric cavity. A first through-hole and a second through-hole in a first spindle are each communicated with the first cavity. An outer surface of the first spindle is provided with a first spiral oil groove connecting the first through-hole and the second through-hole. An outer surface of the main screw oil pump is provided with a second spiral oil groove along its length direction, and a spiral direction of the second spiral oil groove is opposite that of the first spiral oil groove.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ANHUI MEIZHI COMPRESSOR CO LTDNO 418 CAIHONG ROAD HEFEI HIGH AND NEW TECHNICAL DEVELOPMENT DISTRIC HEFEI ANHUI 230031 230031

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Gang Anhui, CN 198 853
Shen, Xuebao Anhui, CN 3 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 May 8, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 May 8, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 8, 2034
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