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. 23, 2013
Filed:
Dec. 21, 2011
Applicants:
Yeuan-jong Cheng, Kaohsiung, TW;
Chih-hsin Chang, Kaohsiung, TW;
Po-yi Tseng, Kaohsiung, TW;
Inventors:
Assignee:
Metal Industries Research & Development Centre., Kaohsiung, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 47/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluid adjusting device is installed in a valve unit so as to control the volume or pressure of the fluid passing through the valve unit. The fluid adjusting device includes three parts retractably connected to each other and holes are defined through each of the three parts. By expanding or retracting the three parts, the holes can be exposed or hidden to adjust the volume or pressure of the fluid passing through the valve unit.