Latent heat storage system for use in a vehicle

Details Latent heat storage system for use in a vehicle Latent heat storage system for use in a vehicle

1999-11-19

2001-03-13

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Cooling

System drained and/or heat-storing

C165S902000

Reexamination Certificate

active

06199517

ABSTRACT:

FIELD OF THE INVENTION
It is known to put in the coolant-circulation system of a motor-vehicle internal-combustion engine a cooler, a heater/air-conditioner, and a latent-heat storage device. The coolant is
5
circulated by a pump and the motor, cooler, heater, and latent-heat storage device form in the engine compartment of the motor vehicle along with the pump for the coolant system separate units that must be mounted one after the other in the engine compartment.
OBJECTS OF THE INVENTION
It is an object of the invention to simplify the manufacture, installation, and repair, in particular also the exchange of the parts, of a coolant system and to make them less expensive while also saving space.
SUMMARY OF THE INVENTION
This object is achieved according to the invention in that a motor-driven centrifugal pump is mounted in or on the Latent-heat storage unit.
Thus the latent-heat storage unit and the pump form a single module which substantially simplifies its manufacture and installation. In addition repairs are made easier and less space is needed in the engine compartment.
It is particularly advantageous when the pump is mounted on an end of the latent-heat storage unit. It is also from the point of view of manufacture and saving of space advantageous when a side of the pump housing turned away from the motor has a planar connecting face with input and output ports and serves for mounting the pump on the latent-heat storage unit or an intermediate device. A disk forming an intermediate device can be mounted between the connecting face and the pump and/or the latent-heat storage unit and has a hydraulic distributor and/or a valve (in particular a three-way valve).
A particularly advantage use of the pump is achieved when the pump is a tubular pump whose rotor is axially traversed by coolant. The electric motor of the pump can have a magnetic rotor so that the pump takes up very little space and can be mounted on the adjacent devices like a disk.
Further integration and reduction of space is achieved when an end of the pump and/or of the latent-heat storage unit carries a housing of the intermediate device that holds electronic control parts.


REFERENCES:
patent: 1346331 (1920-07-01), Muir

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