G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 15/00 (2006.01) F23D 14/72 (2006.01) F23N 5/10 (2006.01) F24H 9/20 (2006.01)
Patent
CA 2204122
A control device (28) and method of making the same are provided, the control device (28) having an axially movable shaft (54) for moving a movable valve (46) into its latching position with an electromagnetic unit (51) and also being rotatable from a first position thereof to a second position thereof to cause an electrical switch (81) to be in a closed condition thereof, the switch (81) being a normally closed switch and being in series with the electromagnetic unit (51) so that the electromagnetic unit (51) cannot have an electrical current flowing therethrough unless the switch (21) is in the closed condition thereof.
La présente invention concerne un dispositif de commande et son procédé de réalisation. Ce dispositif de commande comporte un arbre axialement mobile amenant une vanne mobile en position de verrouillage au moyen d'une unité électromagnétique. Cette vanne pivote également d'une première position vers une seconde position, provoquant ainsi la fermeture d'un commutateur électrique. Ce commutateur, normalement fermé, est monté en série avec l'unité électromagnétique de façon que l'unité électromagnétique ne puisse laisser passer le courant électrique que lorsque le commutateur est en position fermée.
Robertshaw Controls Company
Smart & Biggar
LandOfFree
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