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:
May. 26, 2020
Filed:
Dec. 28, 2018
Nuctech Company Limited, Beijing, CN;
Tsinghua University, Beijing, CN;
Qingjun Zhang, Beijing, CN;
Yuanjing Li, Beijing, CN;
Zhiqiang Chen, Beijing, CN;
Ziran Zhao, Beijing, CN;
Yinong Liu, Beijing, CN;
Yaohong Liu, Beijing, CN;
Ge Li, Beijing, CN;
Jingli Xie, Beijing, CN;
Qiufeng Ma, Beijing, CN;
Biao Cao, Beijing, CN;
NUCTECH COMPANY LIMITED, Beijing, CN;
Abstract
The present disclosure provides a device for collecting semi-volatile or non-volatile substance, including an air nozzle, a front cavity and a collecting body. The air nozzle is configured to eject air to a sample attachment surface. The front cavity has an upper port. The collecting body is sealingly connected to a lower end of the front cavity, inside of which is provided with a cylindrical cavity and a conical cavity arranged vertically coaxially, and bottom of which is provided with a sample outlet. The collecting body is provided with an air intake passage which is non-coplanar with respect to an axis of the cylindrical cavity and is disposed obliquely downward and inward. The collecting body is further provided with an air exhaust passage one end of which is a discharge port connected to the interior of the cylindrical cavity, the other end is connected to an air pump.