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Ventilation unit

Inactive Publication Date: 2015-08-13
SPAL AUTOMOTIVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention proposes a ventilation unit that is smaller in size than previous solutions.

Problems solved by technology

Consider for example that the engine compartment may contain a water radiator, small radiators for the engine oil, for the air conditioning system, for the transmission, for cooling the catalytic converter, and others still, resulting in load losses along the radiator circuit.
To meet the requirements of high performance in confined spaces, prior art ventilation units tend to be either too large or too low-performing.

Method used

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  • Ventilation unit
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Examples

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Embodiment Construction

[0018]With reference to the accompanying drawings, in particular FIG. 1, the numeral 1 denotes a ventilation unit according to this invention.

[0019]The ventilation unit 1 comprises an electric fan and a shroud 2 supporting the electric fan.

[0020]The electric fan basically comprises an electric motor 3 and an axial fan 4 driven by the electric motor 3 and having an axis of rotation R.

[0021]The electric motor 3, preferably a brushless motor with integrated electronic circuitry, and the fan 4 are described only insofar as necessary for defining and understanding this invention,

[0022]The electric motor 3 which drives the fan 4 comprises a casing 5a, a cap 5b coupled to the casing 5a to form a sealed enclosure 5 and, as mentioned, an electronic system 6 for the selfsame motor 3.

[0023]The electronic system 6 comprises electronic components of substantially known type and is partly housed in the enclosure 5.

[0024]In other words, according to the invention, the electronic control system 6 f...

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PUM

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Abstract

A ventilation unit includes an axial fan having an axis of rotation; an electric motor for driving the axial fan and comprising a casing, a cap coupled to the casing to form a sealed enclosure and an electronic control system at least partly housed in the enclosure; a shroud supporting the electric motor and having an outer frame for mounting the ventilation unit, an inner collar supporting the electric motor, a plurality of spokes for connecting the inner collar to the outer frame; a first spoke of the shroud comprises a compartment for housing at least one electronic component forming part of the electronic control system.

Description

TECHNICAL FIELD[0001]This invention relates to a ventilation unit and to a shroud forming part of the ventilation unit.[0002]The ventilation unit referred to in this specification is intended mainly for automotive applications, for cooling radiators and the like in motor-cars, lorries or the like.BACKGROUND ART[0003]Recent advances in automotive manufacturing have led to a considerable increase in the number of parts—which occupy more and more space—housed in the engine compartment of vehicles.[0004]Moreover, on account of on-going technological developments, with a view to reducing fuel consumption and vehicle emissions, large quantities of heat need to be removed from the radiant masses in the engine compartments of vehicles.[0005]To this must be added the fact that the engine compartment houses packs of radiators placed one in front of another to perform different functions.[0006]Consider for example that the engine compartment may contain a water radiator, small radiators for th...

Claims

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Application Information

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IPC IPC(8): F04D25/06F01P5/02F04D29/08F04D19/00F04D29/52
CPCF04D25/06F04D19/002F01P5/02F04D29/083F04D29/522F04D25/068F04D25/0693H02K7/14H02K11/33H02K11/02H02K11/026H02K11/028
Inventor DE FILIPPIS, PIETRO
Owner SPAL AUTOMOTIVE
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