Patent · US Active

Vacuum generating apparatus and vacuum tube lifter having a vacuum generating apparatus

US9770830B2 · kind B2 · utility

1Cited by

5References

20Claims

0Family size

Assignee

J. Schmaiz GmbH · DE

Inventors

Harald Kuolt · Deilingen, DE
Jan Gauss · Seewald, DE

Key dates

Filing date	Feb 11, 2016
Grant date	Sep 26, 2017
Priority date	—
Expiry date	Feb 11, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04F5/52
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention involves a vacuum generator apparatus with an electrically driven primary vacuum generator with a suction connection for sucking in a primary suction flow, and with at least one ejector apparatus, which has an inflow opening open to the environment, an outflow opening, and a suction opening that can be streamed through by a suction stream created at the suction opening from the inflow opening to the outflow opening, whereby the suction connection of the electrically driven primary vacuum generator is connected by flow with the outflow opening of the ejector apparatus.

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