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:
Apr. 13, 2021
Filed:
Jul. 14, 2017
Beijing Const Instruments Technology Inc., Beijing, CN;
Zhiyong Huang, Beijing, CN;
Xin Liu, Beijing, CN;
Fengshan Dong, Beijing, CN;
Xilei Tian, Beijing, CN;
Rui Li, Beijing, CN;
Wei Ji, Beijing, CN;
Licheng Li, Beijing, CN;
Gang Wang, Beijing, CN;
Hongjun Gao, Beijing, CN;
Chunhui Wan, Beijing, CN;
BEIJING CONST INSTRUMENTS TECHNOLOGY INC., Beijing, CN;
Abstract
A fully-automated handheld pressure calibrator, comprising a housing, and gas circuit and electrical circuit components installed in the housing. The gas circuit components comprise a pressure source capable of supplying a pressurized gas. The gas circuit and electrical circuit components are integrated and installed in the housing in a modular manner, and the shape of the housing is suitable to be held in a hand. The pressure calibrator of the present invention enables all kinds of functions including pressure generation, pressure control, pressure instrument connection, and recording, result calculation, and report output of a pressure calibration process, and is suitable for on-site an on-line calibration of a pressure instrument.