Patent · US Expired

Vacuum distributor box

US4827976A · kind A · utility

4Cited by

6References

7Claims

0Family size

Assignee

Daimler-Benz AG · DE

Inventors

Klaus-Jurgen Heimbrodt · Treuchtlingen, DE
Dieter Simon · Widdern, DE
Dieter Feichtiger · Aidlingen, DE
Rudi Kneib · Sindelfingen, DE
Gunther Weikert · Aidlingen, DE
Wolfgang Schneider · Frankfurt, DE
Ruediger Hoffmann · Sindelfingen, DE
Theodor Reinhard · Bad Tölz, DE

Key dates

Filing date	Feb 18, 1988
Grant date	May 9, 1989
Priority date	—
Expiry date	Feb 18, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/87684
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

In a vacuum distributor box with a suction connection and several vacuum connections, all the vacuum connections are equipped with non-return valves open only when vacuum lines are inserted, both the seals of the box housing itself and the those of the vacuum lines relative to the box housing and the valve sealing seats of the non-return valves being incorporated in a diaphragm seal clamped on all sides between two housing parts.

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