Central vacuum cleaner with modular electronic control unit
US10939790B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 11, 2018 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Jan 22, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B7/28
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A central vacuum cleaner having an outer shell, a suction chamber located inside the outer shell, a suction chamber inlet comprising a fluid passage through the outer shell into the suction chamber, a suction motor inside the outer shell and having a suction motor inlet in fluid communication with the suction chamber and configured to generate a flow of air from the suction chamber inlet to the suction chamber and into the suction motor inlet, an electronic control unit receiver, and an electronic control unit configured to selectively operatively connect to the electronic control unit receiver, and when so connected, control operation of the suction motor, the electronic control unit being selectively removable from the electronic control unit receiver and the suction motor without disassembling the outer shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.