Tank filling limiter
AssigneePetit & Cie
InventorAndre Sergent
Life of this patent
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Abstract
A limiter for the filling of a tank with any liquid, comprising a hydraulic valve provided with a monitoring obturator connected to a first arm with a first float included in an arm-control assembly of which a second arm with a second float cooperates with said first arm through a stop and pawl arrangement, the position of the first arm controlling said obturator, the latter comprising a diaphragm acting as well under an impulse from said first arm as by a permanent action. The limiter provides for safe filling of a tank between predetermined levels without any water-hammer and overflow.
Claims5
A limiter for the filling of a tank with liquid, mounted in said tank, comprising:
- a hydraulic valve provided with a monitoring obturator means having a control flap and a control axle connected to a first pivoting arm having a first float included in an arm-control assembly;
- a second pivoting arm having a second float and a peg cooperating with a cam disposed at the end of said first arm opposite said first float;
- a fixed member on said control axle comprising a stop and pawl arrangement with a perpendicular flat spring urging a finger disposed on said pawl and pivoting onto said second arm, said finger being in escaping relationship with respect to said flat spring;
- said hydraulic valve comprising a body provided with an inlet flange and an outlet flange, a cylinder and a movable piston provided with an inner cavity and bearing on a seating disposed at the vicinity of said outlet flange;
- and means for placing said inner cavity and the downstream side of said obturator means in communication with said tank.
Dependencies are inferred from the claim text.