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:
Apr. 16, 2018
Council of Scientific & Industrial Research, New Delhi, IN;
Shankar G. Aggarwal, New Delhi, IN;
Prashant Patel, New Delhi, IN;
Chuen Jinn Tsai, Hsinchu, TW;
Daya Soni, New Delhi, IN;
Khem Singh, New Delhi, IN;
Ravinder Kumar Kotnala, New Delhi, IN;
Tomoaki Okuda, Yokohama, JP;
Prabhat Kumar Gupta, New Delhi, IN;
Vijay Narain Ojha, New Delhi, IN;
Dinesh Kumar Aswal, New Delhi, IN;
Council of Scientific & Industrial Research, New Delhi, IN;
Abstract
A sampler apparatus is disclosed. The sampler apparatus comprises an impactor assembly comprising a nozzle plate, an impaction plate, and a filter unit. The nozzle plate comprises a plurality of nozzles for channelling an air stream through the sampler apparatus. The impaction plate is adapted to collect particulate matter having size equal to or greater than a threshold size. The filter unit is adapted to collect particulate matter having size less than or equal to the threshold size. The sampler apparatus further comprises a control assembly coupled with the impactor assembly. The control assembly comprises one or more flow control devices to maintain a predetermined air-flow rate of the air stream within the sampler apparatus.