Patent ID: 7740457
Filing Date: 2010-06-22
Classification: F04B,F04D

Abstract:
1. A device for delivering flowable media, comprising: a pump driven by a motor, forming a component of a line system and having a pump housing with opposite first and second end walls joined by first and second side walls; a fluid input and a fluid output aligned on said first and second end walls, respectively, and defining a start position and an end position of an inner flow path of said pump; displacement elements of said pump in said pump housing; at least one heating element activated by an energy supply located outside of said pump housing in a position to transfer heat to said pump housing, said heating element unit including a first PTC heating element on a flat section of an outside surface of said first side wall at a height of said fluid input and said fluid output; a second PTC heating element attached on a flat section of an outside surface of said second side wall of said pump housing, said flat sections being adjacent said displacement elements in said pump housing; and a carrier formed of an aluminum sheet mounting said first and second PTC heating elements to said flat sections of said outside surfaces of said pump housing to transfer heat to said pump housing, said PTC heating elements having flat outer sides adjoining said carrier.