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:
Dec. 06, 1994
Filed:
Jul. 16, 1993
Seong H Yi, Seoul, KR;
Other;
Abstract
An apparatus for ventilating spacious public rooms, workshops, industrial halls, underground parking lot and the like spaces, which apparatus comprises a damper having a plurality of shutters attached by a ring to inner surface of tubular body so as to radially move a series of shutters from shut position to opened position. The apparatus further comprises a nozzle having a plurality of guide vanes which occur swirls in jet as well as in injected ventilation air supplied to the rooms. With this arrangement, the apparatus is effective for obtaining a precise adjustment of supply air with minimum air resistance, non-turbulent, and protecting dwelling zones against undesirable thermal air streams or undesirable radiation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile