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:
Mar. 28, 2023
Filed:
Apr. 15, 2020
Daikin Industries, Ltd., Osaka, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
Provided is an air conditioning system that uses ducts to supply conditioned air to a plurality of places inside a building, and is configured to counteract air backflow that occurs in ducts. A heat exchanger unit () includes a use side heat exchanger (). A plurality of ducts () are connected to the heat exchanger unit (). A plurality of fan units () suction conditioned air from the heat exchanger unit (), and supply the conditioned air to a plurality of air outlets () through the plurality of ducts (). A differential pressure sensor () acting as a detection device detects air backflow proceeding from at least one air outlet () among the plurality of air outlets () toward the heat exchanger unit () in a plurality of distribution flow paths including the plurality of ducts (), the plurality of fan units (), and the air outlets () of a plurality of outlet units ().