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Electrical heating device for a motor vehicle and associated air-conditioning and/or heating unit

A technology for heating devices and motor vehicles, applied in the direction of energy-saving heating/cooling, heating/cooling equipment, heating methods, etc., which can solve the problems of large pressure head and loss of electric heating devices

Inactive Publication Date: 2014-08-06
VALEO SYST THERMIQUES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, known electric heating devices can have large head losses

Method used

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  • Electrical heating device for a motor vehicle and associated air-conditioning and/or heating unit
  • Electrical heating device for a motor vehicle and associated air-conditioning and/or heating unit
  • Electrical heating device for a motor vehicle and associated air-conditioning and/or heating unit

Examples

Experimental program
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Effect test

Embodiment Construction

[0042] In these figures, substantially the same elements have the same reference numerals.

[0043] image 3 and 4 in and figure 2 Corresponding elements in have the same reference numerals, increased by 100 and 200, respectively.

[0044] figure 1 A part of a motor vehicle heating and / or air conditioning unit 1 is schematically shown, comprising a water heating circuit 3 for heating the passenger compartment of an electric vehicle.

[0045] Upstream of the water heating circuit 3 , the heating unit comprises additional electric heating means 5 for heating the water before it enters the heating circuit 3 .

[0046] Shown here is the case of a water circuit for heating the passenger compartment of an electric vehicle.

[0047] Of course, it is also possible to provide electric heating means 5 positioned upstream of the evaporator capable of operating the air conditioning loop in heat pump mode, in order to heat the coolant fluid.

[0048] It is also possible to arrange s...

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PUM

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Abstract

The invention relates to an electrical liquid heating device for a motor vehicle, said heating device comprising at least one module for heating the aforementioned liquid. The device is characterized in that the at least one heating module comprises: a substantially cylindrical chamber (13,113,213) having at least one heating means (114) for heating the liquid and defining a circuit (15,115,215) for guiding the liquid to be heated; and a control means (9,109,209) for controlling said at least one heating means (114), positioned facing one end of the cylindrical chamber (13,113,213).

Description

technical field [0001] The invention relates to an electric heating device for a motor vehicle. The invention applies more particularly to heating and / or air conditioning units of motor vehicles. Background technique [0002] Usually, the heating of the air for heating the passenger compartment of a motor vehicle and for defogging and defrosting is achieved by passing the air flow through a heat exchanger, more precisely by heat exchange between the air flow and a liquid. [0003] Generally, in the case of a hot engine, this is the coolant. [0004] However, this heating mode may prove to be inappropriate or insufficient to ensure rapid and efficient heating of the vehicle's passenger compartment, particularly when heating the passenger compartment prior to use of the vehicle in very cold environments or when a very rapid increase in temperature is required, or to ensure Defog or defrost. [0005] In the case of electric vehicles, the heating function is no longer realize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60H1/22F24H1/12F24H9/00
CPCF24H1/142F24D3/1041B60H2001/2287B60H1/22F01P11/029F24H1/121F24H9/0015Y02B30/108B60H1/2221F01P2070/04
Inventor F.皮埃罗恩L.特利尔J.莱博格尼
Owner VALEO SYST THERMIQUES
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