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US 4,969,391 AGranted
Wine-making vat
AssigneeSociete Atlantique de Techniques Advancees
InventorOlivier Haulot
Life of this patent
Estimating the term…
Abstract
Wine-making vat comprising a lower fermentation vat (1) and an upper tun (2) and at least one valve (20) putting the fermentation vat (1) and the tun (2) in communication automatically and cyclically, and also comprising a fixed unit fitted on a washing port (4) and forming a valve seat, a movable assembly moving vertically and interacting with valve seat, a movable float, a seal between the movable assembly and the movable float, and an arrangement for retaining the movable assembly on the valve seat.
Claims12
Wine-making vat comprising
- (a) a lower fermentation vat (1)
- (b) an upper tun (2;
- 60) communicating with said lower fermentation vat (1) via a closeable washing port (4;
- 56) and connected with said fermentation vat by at least one column (5) for rising of juice from said fermentation vat toward said tun;
- (c) at least one valve means (20) adapted to place said tun and said fermentation vat in communication with each other, said valve means comprising
- (i) a fixed unit (21, 22, 23) fitted on said washing port (4;
- 56) and forming a valve seat (25);
- (ii) a vertical movable assembly (28, 29) interacting with said valve seat;
- (iii) a vertically movable float (35, 35a);
- (iv) sealing means (32) between said movable assembly and said movable float;
- and
- (v) means for retaining said movable assembly on said valve seat as a function of a level of juice in said tun detected by said float.
9 more elements
Dependencies are inferred from the claim text.