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:
Sep. 06, 2016
Filed:
Jun. 26, 2012
Ming LV, Zhejiang Province, CN;
Xianrang Wei, Zhejiang Province, CN;
Qingyong Wang, Zhejiang Province, CN;
Ming Lv, Zhejiang Province, CN;
Xianrang Wei, Zhejiang Province, CN;
Qingyong Wang, Zhejiang Province, CN;
Zhejiang Sanhua Co., Ltd., Zhejiang, CN;
Abstract
A flow regulating valve includes a valve seat and a shell connected to the valve seat, a motor is provided in the shell, and the motor is connected to a screw rod. The screw rod is connected with a nut in a thread cooperation manner, the nut is connected with a valve rod, and the valve rod is movable in an axial direction to regulate an opening degree of a valve port on the valve seat. The whole of the nut or a lower portion of the nut is in clearance fit with the mounting groove in the valve rod in a radial direction. An internal wall of the mounting groove is provided with an annular position limiting groove, in which a position limiting component is provided. The design of the flow regulating valve is able to eliminate the coaxiality error between the screw rod and the screw nut.