Patent ID: 8707991
Filing Date: 2014-04-29
Classification: B01D,B60K,E04H,Y10T

Abstract:
1. A float device for use in drawing liquids from a tank or other reservoir, said device comprising: an elongate tubular member extending along a vertical direction within the tank; a unitary member arranged for rising and falling with the level of liquid in the tank, wherein said unitary member comprises a sealed chamber disposed in a fixed position directly above a hollow chamber, said hollow chamber defined by at least one wall, at least a portion of said wall being inclined to the horizontal and having a plurality of apertures for filtering liquid that is drawn into said hollow chamber; and a liquid pick-up duct which comprises a flexible tube having its free end coupled to said hollow chamber, said flexible tube for drawing filtered fluid from said hollow chamber; wherein said unitary member is arranged for movement along the vertical direction within said elongate tubular member; and wherein said elongate tubular member comprises an open lower end, and said unitary member has a configuration wherein a number of the apertures of the inclined portion of the at least one wall of said hollow chamber extends below said tubular member when the level of liquid in the tank is low.