Animal husbandry – Feeding device – Hopper and trough
Patent
1988-10-25
1990-09-18
Swiatek, Robert P.
Animal husbandry
Feeding device
Hopper and trough
119 37, 416235, A01K 4102
Patent
active
049570668
ABSTRACT:
A fan assembly (10) for an egg incubator enclosure (1) or for a hatching enclosure, in which a centrifugal fan establishes a pressure reduction and thereby sets up a flow of air through egg storage boxes disposed in the vicinity of the fan, wherein the centrifugal fan comprises two turbines (20) mounted on a horizontal axis and disposed substantially in the middle of the enclosure, with the boxes (2) placed on either side of the turbines, and with each turbine being constituted by a ring (21) which is hollow in the center and provided with blades (22) around its periphery. Advantageously, fresh air and recycled air are air-conditioned by being humidified (42), and heated (30) or cooled (41, 51) as required, in the central zone (11) lying between the two spaced-apart central rings of the two turbines, prior to coming into contact with the eggs to be incubated.
REFERENCES:
patent: D189300 (1960-11-01), McLean
patent: 435602 (1890-09-01), Doane
patent: 1698763 (1929-01-01), McCauley
patent: 2439145 (1948-04-01), Porter
patent: 3923006 (1975-12-01), Dugan et al.
patent: 4546729 (1985-10-01), Wormgoor
Elevage Avicole de la Bohardiere
Manahan T.
Swiatek Robert P.
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