Make up air equipment control
US6283851A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Mar 6, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A system for controlling make-up air apparatus for a controlled building space includes a first sensor for sensing the operation of a first appliance within a building space. The appliance causes the air to be exhausted from the controlled building space. There is a controller which receives a first signal from the appliance indicating that the appliance is activated. This signal is used to determine the air flow requirements between the controlled building space and an environment outside of the controlled building space such as to ensure a predetermined balance of the pressure of air within the controlled building space and the environment outside of the controlled building space. An air temperature sensor monitors the outside temperature. A back-flow damper and a preheater are also associated with the make-up air apparatus. A switch activates the preheater in the event that the temperature of outside air is below a predetermined level. The motor of a blower causes air to be drawn into the building space. The motor speed is determined in response to appliance operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.