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:
Aug. 22, 2023
Filed:
Jul. 26, 2021
Fudan University, Shanghai, CN;
Jianmin Chen, Shanghai, CN;
Xiaona Shang, Shanghai, CN;
Jianfeng Sun, Shanghai, CN;
Ling Li, Shanghai, CN;
Guodong Sui, Shanghai, CN;
Chao Zhu, Shanghai, CN;
Huihui Kang, Shanghai, CN;
Fudan Universitv, Shanghai, CN;
Abstract
A kind of online PMconcentrated collection instrument and method are provided including five parts: PMcutting head, water tank system, virtual cropping system, condenser circulation system and online concentrated collection system. Connected with PMcutting head, a water tank system contains water tank, electrical heating rod and temperature-controlled digital display device. Virtual cropping system contains virtual cutter, concentrated air vacuum pump, and main air vacuum pump. The condenser circulation system circulating condensate condenses to grow the saturated particles, condenser circulation system contains condensate circulation tube, condensing machine. The online concentrated collection system contains biological sampling bottle, solenoid valve with relay, automatic distillate collector and computer subdivision constant-current pump. Real PMsamples could be concentrated by this instrument to 7-10 times with high efficiency which would provide technical support for the following on-line chemical component or toxicity test.