Rain sensor
First Claim
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1. A rain sensor, comprising:
- a tray for the collection of water having evaporation and overflow side windows, and a perforated cover;
a finned float housed in the tray so as to be able to move vertically as a function of a level of water present in the tray;
a permanent magnet supported by said float;
an electro magneto-sensitive switch that is fixed to the tray and is switchable between a first and a second electric state as a function of a vertical position of said float; and
airing windows having internal windows made in upper extensions of a side wall of the tray and radially communicating with external windows made in an external side wall with upper flaring.
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Abstract
A rain sensor is described comprising a tray for the collection of rain water provided on top with evaporation and overflow side windows covered by a perforated cover. A finned float is housed in said tray so as to be able to move vertically as a function of the level of the water present in the tray. A permanent magnet supported by said float cooperates with an electric magneto-sensitive switch that is fixed to the tray in order to switch it between a first and a second electric state as a function of the vertical position of the float.
59 Citations
7 Claims
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1. A rain sensor, comprising:
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a tray for the collection of water having evaporation and overflow side windows, and a perforated cover;
a finned float housed in the tray so as to be able to move vertically as a function of a level of water present in the tray;
a permanent magnet supported by said float;
an electro magneto-sensitive switch that is fixed to the tray and is switchable between a first and a second electric state as a function of a vertical position of said float; and
airing windows having internal windows made in upper extensions of a side wall of the tray and radially communicating with external windows made in an external side wall with upper flaring. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification