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:
Jun. 05, 2001
Filed:
Jul. 13, 1999
Ming Hui Han, Mississauga, CA;
Werner Richarz, Thornhill, CA;
M & I Heat Transfer Products Ltd., Mississauga, CA;
Abstract
A mixer for first and second fluids, e.g. fresh air and return air respectively, has an outlet for the first fluid which is contiguous to outlet for the second fluid. A first flap is able to move from a position wherein the fresh air outlet is closed to a position wherein the fresh air outlet is open. A second flap is able to move from a position wherein the return air outlet is closed to a position wherein the return air outlet is open. The first and second flaps are connected to move in unison from a position wherein the fresh air outlet is open and the return air outlet is closed to a position wherein the fresh air outlet is closed and the return air outlet is open. Preferably, there is a plurality of alternating fresh air and return air outlets, and the first and second flaps are fixedly joined substantially at right angles to one another.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile