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.

Date of Patent:
Jul. 18, 2017

Filed:

Feb. 03, 2012
Applicants:

Joseph L. Della Porta, Southington, CT (US);

Barry G. Blackaby, Granby, CT (US);

Inventors:

Joseph L. Della Porta, Southington, CT (US);

Barry G. Blackaby, Granby, CT (US);

Assignee:

OTIS ELEVATOR COMPANY, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 (2006.01); B66B 1/32 (2006.01); B66B 5/06 (2006.01); B66B 1/30 (2006.01); B66B 5/00 (2006.01); B66B 5/04 (2006.01);
U.S. Cl.
CPC ...
B66B 1/32 (2013.01); B66B 1/30 (2013.01); B66B 5/0031 (2013.01); B66B 5/044 (2013.01); B66B 5/06 (2013.01);
Abstract

A system and method for controlling speed of an elevator car in an elevator system is disclosed. The elevator car may have a speed governor adapted to trip when an electrical tripping point of the speed governor is reached. The elevator system may also have a control system for controlling operation of the elevator car, the control system providing a speed reducing switch adapted to trip when a software tripping point of the speed reducing switch is reached, the software tripping point being reached before the electrical tripping point of the speed governor.


Find Patent Forward Citations

Della Porta, Joseph. (2017). Controlling speed of an elevator using a speed reducing switch and governor (U.S. Patent No. 9708157). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9708157

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…