Electric auxiliary heating device
US11214123B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2017 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Sep 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/02
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an electric auxiliary heating device (1) for heating a flow of air passing through in particular a conduit of a ventilation, heating and/or air conditioning installation of a motor vehicle, the auxiliary heating device comprising a casing that houses at least one heating module, said casing comprising: ∘a heating compartment of which a first end (61) comprises an opening (600) and ∘a connection interface (8) comprising: ▪a first plate (86) that is essentially planar and extends essentially parallel to the opening so as to cover said opening, and ▪a sheath (88) that extends in projection from the first plate (86) opposite the heating compartment, ▪slots (80) passing through the first plate (86) and opening inside the sheath (88), the connection interface (8) comprising, on its internal face (89) that is oriented toward the heating compartment, at least one insertion stub (85) of which at least one of the edges facing the slots (80) is chamfered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.