Double-power-supply switching control system for a welding machine and method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11192201
SERIAL NO

16221565

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention provides a double-power-supply switching control system for a welding machine and method. The welding machine double-power-supply switching control method comprises the steps of: continuously detecting and modifying an input voltage signal by a signal modification unit; under the control of a control unit, judging, by a judgment unit, whether to perform voltage doubling, controlling to execute voltage doubling switching action, and locking an actual input voltage mode of a welding machine by a locking unit; and finally outputting matched output current by a power supply output unit.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SHANGHAI HUGONG ELECTRIC (GROUP) CO LTDNO 7177 WAIQINGSONG HIGHWAY QINGPU DISTRICT SHANGHAI 200000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nie, Lin Shanghai, CN 9 36
Shu, Zhenyu Shanghai, CN 16 238
Zhu, Yaomin Shanghai, 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 Jun 7, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 7, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 7, 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