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FR2514461A1

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Publication
_________________________________________________________________
Number FR2514461A1
Family ID 8027104
Probable Assignee Leneveu Michel
Publication Year 1983
Title
_________________________________________________________________
FR Title GRILLE D'EMBOUT DE GAINE A ACTION AUTOMATIQUE
EN Title AUTOMATIC GRILL FOR HEATING DUCT - HAS BIMETALLIC STRIP
OPERATING VALVE PLATE RESPONDING TO TEMPERATURE VARIATIONS
Abstract
_________________________________________________________________
LE PRESENT CERTIFICAT D'ADDITION EST RELATIF A UNE GRILLE D'EMBOUT DE
GAINE DE CHAUFFAGE OU DE RECUPERATION DE CHALEUR.
IL COMPREND 1 BILAME THERMOSTATIQUE 5 QUI SE DEFORMANT SOUS L'EFFET
DES VARIATIONS DE TEMPERATURE DANS LA GAINE FAIT PIVOTER SUR LUI-MEME
UN CLAPET 6 QUI VIENT CLORE HERMETIQUEMENT UNE VIROLE D'ACIER 1 OU
LIBERE TOTALEMENT LA SECTION DE CETTE DITE VIROLE.
The vent has a ferrule (1) with a decorative facade (2) forming a
grill, and a base plate (3) holding a thermostatic bimetallic strip
(5) forming a thermal switch, using a pivot pin (4). A valve (6) is
fixed to the free end of the coiled bimetallic strip and in cold
conditions, the valve seals the grill without touching the interior
face. As the temperature rises the end of the strip automatically
moves the valve to an open position, the amount of movement being
determined by the variation in temperature.
Description
_________________________________________________________________
Le present certificat d'addition au brevet intitule "gril d'embout de
gaine a action automatique" depose le 23.02.81 sous le NO 8103705 est
relatif aux grilles qui se trouvent a la sort des gaines vehiculant
l'air chaud en provenance des sources de chauffage et plus
particulierement dans les systemes dits de "r peration de chaleur' qui
sont installes dans de nombreuses chem
Comme les dispositifs decrits dans le brevet principal, il y a
derriere une facade decorative un systeme d'obturation automatique mis
en mouvement par l'elevation ou la baissede tem rature a l'interieur
de la gaine. L'obturation est obtenue par clapet mu par une lame de
metal faconnee en forme de spirale, appelee couramment bilame
thermostatique et qui a la propriete se deformer sous l'effet de ia
chaleur.
La particularite de cette variante, objet de ce certific d'addition,
reside dans la forme du clapet et dans la position ce dernier par
rapport a la gaine. Ceci de telle facon que l'e cheite soit assuree en
position fermee par placage du dit clape contre l'interieur de la
facade et un effacement maximum de ce clapet en position ouverte, afin
de degager parfaitement la sec de la gaine.
D'autres caracteristiques et avantages du certificat d'a ressortiront
de la description qui va suivre en regard des dess annexes qui
representent schematiquement et a titre d'exemple u mode de
realisation.
Sur ces dessins la figure est une vue en coupe de l'appareil, la
figure 2 e une double vue schematique en coupe illustrant les2
position extremes du dispositif.
Comme on peut le voir a la figure 1 l'ensemble est cons d'une virole 1
sur laquelle est fixee une facade 2 decorative et suffisamment ajouree
pour laisser passer l'air chaud emanant systeme de chauffage ou de
recuperation de chaleur.
Sur la virole est fixee une patte 3 sur laquelle est solidaire
l'intermediaire d'une epingle 4 le bilame thermostatique 5
Sur ce dernier est fixe le clapet 6 dont son profil est tel s pivote
sans toucher la face interne de la facade et en etant plaque tout
contre en position fermee. La forme du dit clapet parfaitement adaptee
a la section de la gaine (Ronde, carree, rectangulaire oblonde..)
laquelle conditionne l'ajourage de la facade.
Comme on peut le voir sur la figure 2 le clapet part de la position
ferme a la position ouverte en pivotant autour du bilame en liberant
au maximum la section de la gaine.
I1 va de soi que le dispositif nta ete decrit et represente qu'a titre
purement explicatif, nullement limitatif et que diverse modifications
pourraient etre apportees a la forme de realiaation sans qu'on sorte
pour autant du domaine de l'invention. C'est ainsi notamment que les
bilames et les clapets pourraient avoir des formes differentes sans
pour autant changer la finalite du systeme.
Claims
_________________________________________________________________
REVENDICATIONS
1 - Grille d'embout de gaine de chauffage du de recuperai de chaleur
caracterise par le fait que le clapet qui obture gaine, comporte un
bilame thermostatique -permettant un deplac ment automatique du dit
clapet.
2 - Dispositif selon la revendication 1 Caracterise par le fait que
l'element moteur du mecanisme est bilame thermostatique qui se deforme
sous les effets des vari tions de temperature.
3 - Dispositif selon la revendication 1 et 2 Caracterise par le fait
que le bilame fait pivoter sur lui md le clapet qui obture la gaine
quand la temperature est basse libere le maximum de passage quand la
temperature est elevee.
4 - Dispositif selon les revendications 1 - 2 et 3 Caracterise par le
fait que le profil du clapet est tel que 1 dit clapet pivote sur lui
meme sans toucher la face interne de la facade et en etant plaque tout
contre en position fermi
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