Patent · US Expired

Electric air-pump apparatus for motor vehicles

US6491505B1 · kind B1 · utility

13Cited by

3References

15Claims

0Family size

Assignee

Hella KGaA Hueck & Co. · DE

Inventors

Theodor Hueser · Geseke, DE
Ralf Mueller · Germersheim, DE
Udo Schubert · Paderborn, DE
Josef Stuempel · Borchen, DE

Key dates

Filing date	Aug 4, 2000
Grant date	Dec 10, 2002
Priority date	—
Expiry date	Oct 18, 2020

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C18/3442
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An electric air-pump apparatus for motor vehicles has a mounting plate to which a housing of an electric motor and a pumping device are attached. A sound absorber is, formed by the mounting plate and a sound-absorber cap attached thereto, with the sound-absorber cap surrounding the pumping device. The sound-absorber cap is positioned on a first side of the mounting plate opposite from a second side of the mounting plate at which the electric motor is to be attached.

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