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. 28, 2026
Filed:
Oct. 28, 2023
Zhejiang University, Hangzhou, CN;
Zhejiang University, Hangzhou, CN;
Abstract
An automatic sampling device and method for determining greenhouse gas emission flux from farmland are provided. The device includes a static chamber, a flow meter, and a collection box. The static chamber communicates with a gas inlet of the collection box. The flow meter is arranged in a gas pipe between the static chamber and the collection box. The static chamber is used to cover plants to be tested and to keep the plants to be tested in a closed environment. The flow meter is used to determine a gas flow rate in the gas pipe between the static chamber and the collection box in real time. The collection box is internally provided a plurality of collection loops and a controller. Each collection loop is used to collect a gas in the static chamber at different time according to collection settings of the controller.