Patent · US Active

Electric liquid heater for vehicles with plug connector including vent duct

US11493235B2 · kind B2 · utility

0Cited by

5References

11Claims

0Family size

Assignee

BorgWarner Ludwigsburg GmbH · DE

Inventors

Nicolaus Wulff · Stuttgart, DE
Sven Schumm · Walheim, DE
Christian Pottiez · Eppingen, DE
Timo Stifel · Stuttgart, DE

Key dates

Filing date	Sep 16, 2020
Grant date	Nov 8, 2022
Priority date	—
Expiry date	Sep 24, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M25/0224
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

Described is a liquid heater having a housing, in which a flow channel runs from an inlet to an outlet, a heating resistor arranged within the housing for heating liquid flowing through the flow channel, control electronics which are arranged in an interior space of the housing, the interior space being sealed off from the flow channel, and a plug connector attached to the housing. Provided according to this disclosure, the plug connector has a vent duct which is closed by a membrane and which leads to the interior space sealed against the ingress of liquid, in which interior space the control electronics are arranged.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.