F - Mech Eng,Light,Heat,Weapons – 23 – N
Patent
F - Mech Eng,Light,Heat,Weapons
23
N
F23N 1/08 (2006.01) F24H 1/10 (2006.01)
Patent
CA 2194584
1. Fitting, especially for a continuous flow water heater. 2.1. The submitted invention takes as its basis the problem of developing a fitting of the named type by which the formation of calcareous deposits on the rod protruding from the water control housing is lessened and the influence of such calcareous deposits on the controller action is completely eliminated. 2.2. The problem is solved in that within water control housing (2), the control motion of membrane (24) is transmitted to a lever (3) whose centre of rotation forms a shaft (4), rigidly connected to this lever (3) and whose pivot is sealed, leading to the exterior of water control housing (2). At the same time, shaft (4) is also the centre of rotation for a second lever (5) which is likewise rigidly connected to it. Thus the stroke motion of the first lever (3) is transmitted to the exterior via shaft (4) as a rotary motion and subsequently the rotary motion of shaft (4) is re-converted, by means of second lever (5), into a stroke motion to control the gas outlet. 2.3 The fitting serves to control gas flow depending on water flow especially for continuous flow water heaters. 3. Fig. 1.
L'invention vise à réaliser une commande de débit qui empêche la formation de dépôts de calcaire sur la tige dépassant du boîtier (2) contenant l'eau et évite tout risque que d'éventuels dépôts de calcaire n'altèrent le comportement en régulation. A cet effet, le mouvement de commande du diaphragme (21) dans le boîtier (2) contenant l'eau est transmis à un levier (3) dont le pivot constitue un arbre (4) monté étanche, solidaire du levier (3) et menant à la face extérieure du boîtier (2) contenant l'eau. L'arbre (4) constitue simultanément le pivot d'un second levier (5) également solidarisé avec lui. Le mouvement de levage du premier levier (3) est transmis à la face extérieure, sous forme de mouvement rotatif, à l'aide de l'arbre (4). Le mouvement rotatif de l'arbre (4) est ensuite à nouveau converti en mouvement de levage, à l'aide du second levier (5), pour moduler le débit de gaz. Cette commande de débit sert à moduler le débit de gaz en fonction de l'écoulement de l'eau, notamment pour des chauffe-eau instantanés.
Mertik Maxitrol Gmbh & Co. Kg
Smart & Biggar
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