HVAC thermostat with fuel control
US10461951B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2016 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | May 13, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/2614
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Improvements to an HVAC thermostat include a fuel control module that estimates a rate of fuel usage by the HVAC system and issues a warning and optionally schedules a fuel delivery or solicits a fuel delivery bid when the on-site fuel supply drops beneath a predetermined level, a nightlight module that illuminates a touchscreen in accordance with at least one nightlight parameter, and a user interface mode control module that selects for display on the touchscreen display, a primary user interface from among a plurality of potential user interfaces based at least in part upon the frequency of use of each of the plurality of potential user interfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.