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:
May. 05, 2015
Filed:
Nov. 12, 2008
Makoto Tanishima, Tokyo, JP;
Shinji Nakashima, Tokyo, JP;
Keigo Yamamoto, Tokyo, JP;
Masaji Iida, Tokyo, JP;
Makoto Tanishima, Tokyo, JP;
Shinji Nakashima, Tokyo, JP;
Keigo Yamamoto, Tokyo, JP;
Masaji Iida, Tokyo, JP;
Mitsubishi Electric Corporation, Chiyoda-Ku,Tokyo, JP;
Abstract
An elevator apparatus includes an elevator car; an air blower including an air inlet and an air outlet; ducts each having one end individually connected to the elevator car, the air inlet and the air outlet; intake and exhaust air volume adjusting means having the other end of each of the ducts connected thereto, which adjusts an intake and exhaust volume of air in the elevator car by varying a volume of air that bypasses the car to flow from the air outlet to the air inlet of the air blower; and control means that controls the intake and exhaust air volume adjusting means, to adjust air pressure within the car to set air pressure. The elevator apparatus adjusts air pressure within the elevator car, even when there is a small differential pressure between the set air pressure within the car and an air pressure outside the car.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile