Patent Number: 6,168,401

Title: Hydraulic conveying device

Abstract: An hydraulic conveying device, in particular for conveying diesel fuel for an internal-combustion engine in motor vehicles, with a housing provided with at least one conveying chamber as well as a displacement unit rotor arranged in the conveying chamber. Rotation of the displacement unit forms pump chambers with varying volumes by means of which a fluid is conveyed from a suction connection of the conveying device to a pressure connection of the conveying device. The conveying devices includes a screen or wall with openings for retaining a quantity of the fluid to be conveyed in the conveying chamber when a supply of fluid by way of the suction connection is interrupted.

Inventors: Schenck; Kai (Remscheid, DE), Otto; Dieter (Ennepetal, DE)

Assignee: Luk Automobiltechnik GmbH & Co. KG

International Classification: F04C 2/10 (20060101); F04C 2/356 (20060101); F04C 2/00 (20060101); F02M 37/04 (20060101); F04C 002/356 (); F04C 015/00 ()

Expiration Date: 01/02/2018