Electronic expansion valve and assembling method of electronic expansion valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12092381
APP PUB NO 20220341638A1
SERIAL NO

17763725

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Some embodiments of the present invention provide an electronic expansion valve and assembling method of electronic expansion valve, the electronic expansion valve includes: a housing; a guide sleeve; a screw; a rotor being drivingly connected with the screw; and a valve needle assembly movably disposed in the housing, one end of the screw being connected with the valve needle assembly so as to drive the valve needle assembly to move axially by means of the screw. A guide segment and a press-fit segment which are in communication with each other are disposed between an inner wall of the housing and an outer wall of the guide sleeve, a spacing between the guide sleeve and the housing located on the guide segment is greater than a spacing between the guide sleeve and the housing located on the press-fit segment.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO LTD311835 INDUSTRIAL ZONE OF DIANKOU TOWN ZHUJI CITY SHAOXING CITY ZHEJIANG PROVINCE SHAOXING CITY ZHEJIANG PROVINCE 311835

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Di, Zhiqiang Zhejiang, CN 2 5
Feng, Guigang Zhejiang, CN 4 4
Zhan, Shaojun Zhejiang, CN 14 8

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 Mar 17, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 17, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 17, 2036
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