Patents
US 12565894 B2: Ventilation system with integrated drive system
- Granted
- 2026-03-03
- Filed
- 2023-09-08 application 18463356
- Type
- Utility · 14 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A ventilating fan has a fan housing formed to define an interior space, an inlet opening, and an outlet opening spaced apart from the inlet opening, a fan wheel arranged to lie within the interior space, the fan wheel comprising a blade hub and a plurality of fan blades from the blade hub, and a fan-wheel rotation drive assembly configured to rotate the plurality of fan blades about a rotation axis, the fan-wheel rotation drive assembly comprising one or more rotor magnets fixed to the fan wheel and arranged circumferentially around the rotation axis, and one or more stator magnets fixed to the fan housing and arranged circumferentially around the rotation axis.
Source: PTBLXML, file of 2026-03-03 (ipgb20260303.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Broan-NuTone LLC 190 patents | US company or organization | Hartford, WI | PTBLXML, file of 2026-03-03 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Tom Dare | Hartford, WI | PTBLXML, file of 2026-03-03 | ||
| Santosh Narasimhan | Hartford, WI | PTBLXML, file of 2026-03-03 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F04D | Non-positive-displacement pumps | F04D25/06 | PTBLXML, file of 2026-03-03 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.