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:
Oct. 20, 2026
Filed:
Mar. 08, 2022
Kolon Industries, Inc., Seoul, KR;
KOLON INDUSTRIES, INC., Seoul, KR;
Abstract
The present invention relates to a fuel cell membrane humidifier capable of preventing a decrease in humidification efficiency, caused by a pressure difference between the inside and outside of the membrane humidifier. The fuel cell membrane humidifier according to an embodiment of the present invention comprises: a middle case which has a module insertion unit; a cap case; a hollow fiber membrane module which is inserted into the module insertion unit; and an active pressure buffer unit which is formed between the middle case and the module insertion unit and which, according to the output condition of a fuel cell, prevents expansion of the module insertion unit due to the pressure difference between the inside and outside of the middle case or eliminates the pressure difference.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile