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. 13, 2017
Filed:
Dec. 15, 2011
Harold Gene Havard, Jr., Terrell, TX (US);
Eric M. Perez, Hickory Creek, TX (US);
Terry D. Jewell, Dallas, TX (US);
Der-kai Hung, Dallas, TX (US);
Harold Gene Havard, Jr., Terrell, TX (US);
Eric M. Perez, Hickory Creek, TX (US);
Terry D. Jewell, Dallas, TX (US);
Der-Kai Hung, Dallas, TX (US);
Lennox Industries Inc., Richardson, TX (US);
Abstract
An inverter controller, a method of operating a controller and a field-installable kit. In one embodiment, the controller includes: (1) a thermostat interface configured to receive conventional thermostat signals providing for a ventilation mode, first- and second-stage cooling modes and at least one heating mode and provide relay control signals for an inverter forward start relay, first- and second-stage cooling speed select relays and at least one heating relay and (2) an inverter controller coupled to the thermostat interface and configured to receive the relay control signals and provide an inverter forward start signal, an inverter high speed set, an inverter medium speed set and an inverter ventilation speed set.