US 2021/0070147 A1 · COOLANT HEATER

Abstract

The present invention relates to a coolant heater. The purpose of the present invention, a coolant heater which effectively heats coolant of a vehicle by means of a heating unit, is to provide a coolant heater having improved sensitivity and responsiveness to over-heating and assured stability by utilizing a temperature fuse to prevent over-heating. Another purpose of the present invention is to provide a coolant heater having enhanced durability of the temperature fuse coupling part by improving the structure by which the temperature fuse is fixed.

Claims15

Dependent claims

A coolant heater comprising:

a heating element for heating coolant;
a controller for controlling the heating element;
a temperature fuse electrically connected to the controller by a cable and blocking current supply of the heating element according to a temperature of the coolant;
and
a fuse cover formed in a form surrounding the temperature fuse and mounted with the cable.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/982,122Filed 22 Mar 2019

Priority

KR 10-2018-003368023 Mar 2018

Published

11 Mar 2021

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

B60H 1/2221
The heat being derived from electric heaters: arrangements of electric heaters for heating an intermediate liquid
B60H 1/00392
For vehicles having an electrical drive, e.g. hybrid or fuel cell: for electric vehicles having only electric drive means
F24H 9/02
Details: casings; Cover lids; Ornamental panels
H01H 37/52
Thermally-sensitive members: actuated due to deflection of bimetallic element

Coolant heater

Life of this patent

Coolant heater

Life of this patent

Abstract

Claims15