A liquid receiver arranged in such a manner that the upper portion of the tank body is arranged to have a large diameter, the lower portion of the same is arranged to have a small diameter, the overall body or the lower portion of the small-diameter portion is tapered off, and a desiccant charging portion...http://www.google.fr/patents/US5038582?utm_source=gb-gplus-shareBrevet US5038582 - Liquid receiver
