초록 ▼

The apparatus of this invention is for dispensing two liquids so that the ratio K of the flow rates of the liquids is substantially constant. The apparatus comprises two containers each having a dispensing orifice and an air vent passage having two ends, an inlet end at the outside surface of the co

The apparatus of this invention is for dispensing two liquids so that the ratio K of the flow rates of the liquids is substantially constant. The apparatus comprises two containers each having a dispensing orifice and an air vent passage having two ends, an inlet end at the outside surface of the container and an outlet end inside the container. In the preferred embodiment, the containers are geometrically proportional in shape with the dispensing or pouring orifices and vent passages all in corresponding locations. The ratio of the cross-sectional areas of the pouring orifices of the two containers is C K5/6 where C is the ratio of the flow coefficients of the two liquids to be poured. When the containers are placed in the same spatial orientation and each filled to the same proportion of fullness with different liquids and then tilted simultaneously to the same pour angle while maintaining the outlet end of the vent passage at a higher elevation than the pouring orifice for each container, the ratio of the flow rates of the liquids poured from the pouring orifices of the containers is equal to K.

대표청구항 ▼

A device for dispensing liquids by gravity comprising a container defining therein a first and a second chamber of substantially proportional geometrical shape, each chamber communicating with a medium surrounding the container through a pouring orifice and a vent passage located at corresponding po

A device for dispensing liquids by gravity comprising a container defining therein a first and a second chamber of substantially proportional geometrical shape, each chamber communicating with a medium surrounding the container through a pouring orifice and a vent passage located at corresponding positions for the two geometrically similar chambers, each vent passage having an inlet end at the surface of the corresponding container and an outlet end inside such container, the two chambers having substantially the same orientation so that, when the two chambers are filled to substantially the same proportion with two different liquids and when the container is then tilted so that the elevation of the outlet end of the vent passage remains above that of the pouring orifice during the pouring process wherein the ratio of the volume of the first chamber to that of the second is K and the ratio of the area of the pouring orifice of the first chamber to that of the second is (C2/C1)K5/6, where C1, C2 are the flow coefficients of the two liquids in the first and second chambers respectively, the ratio of of the flow rate of liquid poured from the first container to that of the second is substantially constant and equal to K.