System and method for operating a pump in a humidifier
US11698064B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2018 |
| Grant date | Jul 11, 2023 |
| Priority date | — |
| Expiry date | Jul 27, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B17/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pump arrangement for powering a pump in providing a controlled volume of water to a drip nozzle in a drip-feed humidifier. The pump arrangement includes: a pump having a solenoid; a processing unit; and a power supply electrically connected to the solenoid via a switch which is controlled by the processing unit. The power supply is structured to supply power to the solenoid via the switch. The processing unit is programmed to modulate the power provided to the solenoid via the switch such that the power is supplied to the solenoid according to a power profile for each actuation of the solenoid. The power profile includes: an initial portion which increases at a first overall rate, an intermediate portion which increases at a second overall rate different than the first overall rate, and a final portion which decreases at a third overall rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.