Patent · US Active

Pump

US9429159B2 · kind B2 · utility

4Cited by

9References

7Claims

0Family size

Assignee

Hella KGaA Hueck & Co. · DE

Inventors

Ingo Geue · Bad Sassendorf, DE
Theodor Hüser · Geseke, DE
Dietmar Rech · Oberwesel, DE
Thomas Valeiras Fernandez · Lippstadt, DE

Key dates

Filing date	Dec 10, 2013
Grant date	Aug 30, 2016
Priority date	—
Expiry date	May 19, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C2240/30
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A pump includes a pump chamber in which a rotor with gates is supported so that it can rotate, an electric motor for driving the rotor, a muffler that encloses a volume in the area of the pump chamber, wherein the volume is in active connection with an outlet port and a front muffler that is arranged within the muffler. To improve the service life and reliability of the pump in a vehicle with minimal installation expense, it is proposed that a filter is integrated into the front muffler.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.