Method for driving an actuator of an HVAC system
US11679646B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 23, 2020 |
| Grant date | Jun 20, 2023 |
| Priority date | — |
| Expiry date | Mar 25, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P23/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method for driving an actuator of an HVAC system having a region of mechanical play is provided, and which comprises the steps of: a] monitoring a position of a movable member of the HVAC system or at least one rotatable element of the actuator to determine when the region of mechanical play has been entered or exited; and b] ramping a drive power to the actuator between a zero-velocity drive power and a steady-state-velocity drive power during the region of mechanical play. The HVAC system implementing the above method is not only capable of reducing the noise produced by an HVAC system, but is also capable of reducing an over-powering of the actuator when there is a low load on the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.