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Thermostats, especially vehicle thermostats

A thermostat and thermoregulation technology, which is applied to vehicle parts, machine operation methods, machines using electric/magnetic effects, etc., can solve the problem of magnetic entropy reduction and achieve the effect of avoiding leakage

Active Publication Date: 2018-11-30
EBERSPACHER CLIMATE CONTROL SYST GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This spin orientation or orientation of the magnetic moment in the magnetic field results in a decrease in the magnetic entropy

Method used

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  • Thermostats, especially vehicle thermostats
  • Thermostats, especially vehicle thermostats
  • Thermostats, especially vehicle thermostats

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] figure 1A thermostat, generally designated 10 , is shown in a perspective view, via which heat can be transferred in a multistage process using the magnetocaloric effect. The temperature control device 10 comprises a temperature control body 14 of a magnetocaloric material accommodated in a temperature control body housing 12 . The temperature control body housing 12 and the temperature control body 14 arranged therein extend in the direction of the longitudinal axis L of the temperature control body. Here, a plurality of successive heat transfer medium flow zones Z along the longitudinal direction L of the temperature control body are formed. 1 ,Z 2 ,Z 3 ,Z 4 ,Z 5 ,Z 6 ,Z 7 and Z 8 , the following overall with Z i illustrate. For each of the heat transfer medium flow zones Z i , the temperature control body 14 can be configured as a temperature control body segment arranged in the closed inner space region of the temperature control body shell 12, wherein, d...

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Abstract

A temperature control unit includes a temperature control body made of magnetocaloric material and elongated in a longitudinal direction (L), through which or / and around which heat transfer medium can flow. A magnetic field arrangement (16) has magnetic field heating areas (22) arranged following one another in a shifting direction (V) and cooling areas (24) between the magnetic field heating areas (22). A plurality of heat transfer medium flow zones (Zi) following one another in the longitudinal direction (L) are provided with the temperature control body (14). At least two heat transfer medium flow zones (Zi) adjacent to one another in the longitudinal direction (L) of the temperature control body provide a heat transfer medium circulation sector (I, II, III, IV). Heat input fluid, flowing relative to heat transfer medium flow zones (Z1), feed heat in and heat discharge fluid flowing relative to heat transfer medium flow zones (Z8) discharging heat.

Description

technical field [0001] The invention relates to a thermostat, in particular a vehicle thermostat, which can be used for cooling or heating, for example, the interior of a vehicle using the magnetocaloric effect. Background technique [0002] In heat pumps that operate using the magnetocaloric effect, the magnetocaloric material is alternately moved into and out of the magnetic field. On movement into a magnetic field, a spin orientation of the electrons of the magnetocaloric material occurs under the influence of the magnetic field. This orientation of the spins or the orientation of the magnetic moment in the magnetic field leads to a decrease in the magnetic entropy. Because the total entropy of the system does not decrease, the entropy of heat, manifested as an increase in temperature, increases. The reverse process occurs if the magnetocaloric material moves out of the magnetic field. The temperature of the magnetocaloric material that moves out of the magnetic field ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60H1/22
CPCB60H1/2215F25B21/00F25B2321/0022Y02B30/00
Inventor M·洪堡
Owner EBERSPACHER CLIMATE CONTROL SYST GMBH