The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2026
Filed:
Nov. 22, 2023
Zhejiang Dunan Artificial Environment Co., Ltd., Zhejiang, CN;
Zhejiang Dunan Artificial Environment Co., Ltd., Zhejiang, CN;
Abstract
The present disclosure relates to the technical field of automobiles, and discloses a control method, a control apparatus, and an electronic expansion valve. The control method includes: collecting first jumping signals in real time and recording a first time of collecting each first jumping signal; collecting second jumping signals in real time and recording a second time of collecting each second jumping signal; calculating a difference value between the second time and a corresponding first time; if the difference value is a positive value, increasing or decreasing a counted number by a set value, and accordingly, if the difference value is a negative value, decreasing or increasing the counted number by the set value; and within a set period of time, when the counted number is not increased or decreased, determining that a stepper motor is blocked.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile