Systems and methods for fault detection of air handling units
US8239168B2 · kind B2 · utility
36Cited by
25References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2009 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | Oct 22, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F11/32
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A system is disclosed for detecting faults in an environmental control system for a building zone. The system includes a circuit configured to determine that a fault exists based on a comparison of the current value for the climate condition in a heating state and the estimate of the climate condition at which a transmission from the heating state to the no heating state is expected to be caused by a finite state machine of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.