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. 22, 2020
Filed:
Dec. 29, 2017
Tsinghua University, Beijing, CN;
Nuctech Company Limited, Beijing, CN;
Qingjun Zhang, Beijing, CN;
Yuanjing Li, Beijing, CN;
Ziran Zhao, Beijing, CN;
Ge Li, Beijing, CN;
Biao Cao, Beijing, CN;
Qiufeng Ma, Beijing, CN;
Linxia Tan, Beijing, CN;
Tsinghua University, Beijing, CN;
Nuctech Company Limited, Beijing, CN;
Abstract
A sampling device and an inspection apparatus are disclosed. In one aspect, an example gathering and sampling device includes a cylindrical outer housing and an inner housing disposed within the cylindrical outer housing, a cyclone chamber is formed between the cylindrical outer housing and the inner housing to generate a cyclone by injecting a gas flow into the cyclone chamber. The gathering and sampling device further includes an outer chamber body, and a plurality of gas injection orifices formed in the first inner housing end opening of the inner housing and configured to inject a gas towards a substantial center of a circular region defined by an end face of the first outer housing end opening of the cylindrical outer housing.