The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2009
Filed:
Apr. 15, 2003
Christian Beyer, Köln, DE;
Christian Harig, Köln, DE;
Rainer Hölzer, Hürth, DE;
Alois Greven, Erkelenz, DE;
Hermann Boy, Kerpen, DE;
Christian Beyer, Köln, DE;
Christian Harig, Köln, DE;
Rainer Hölzer, Hürth, DE;
Alois Greven, Erkelenz, DE;
Hermann Boy, Kerpen, DE;
Oerlikon Leybold Vacuum GmbH, Cologne, DE;
Abstract
A vacuum pump () includes a pump unit () and an operating unit () arranged spaced from the pump unit (). The operating unit () is connected with the pump unit () for controlling it. The pump unit () and the operating unit () respectively comprise a transceiver module () for transmitting and receiving control and operational data bidirectionally in a wireless manner. The pump unit () and the operating unit () are exclusively connected with each other in a wireless manner. By the omission of electrical lines, the induction of interfering signals is excluded. Wall perforations for lead-through of electrical lines are omitted.