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:
Mar. 08, 1988
Filed:
Sep. 29, 1986
Hans-Heinrich Henning, Ennepetal, DE;
Hartmut Lelickens, Wiesenthau, DE;
Herbert Schramm, Hochstadt, DE;
Kraftwerk Union Aktiengesellschaft, Mulheim, DE;
Abstract
An apparatus for propelling a continuous gas mixture stream of an inert carrier gas and an aggressive doping gas, includes an electric motor having a motor housing filled with pure carrier gas and a shaft with a shaft extension, a radial blower having an impeller mounted directly on the shaft extension and a blower housing filled with the gas mixture and coupled to the motor housing, a gas ring of pure carrier gas being continuously fed and maintained in a ring space for sealing the blower housing against the motor housing in an operating state, and a hollow sealing ring being inflated with compressed gas for sealing the blower housing from the motor housing when the blower is stopped.