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:
Feb. 04, 2020
Filed:
Sep. 21, 2017
Ebm-papst Mulfingen Gmbh & Co.kg, Mulfingen, DE;
ebm-papst Mulfingen GmbH & Co. KG, Mulfingen, DE;
Abstract
A suction nozzle is provided for a fan with a suction opening for suctioning a fan main flow. The suction nozzle has an opening edge section adjoining the suction opening and having a local outbreak. A flow insert is detachably provided in the local outbreak of the opening edge section. The flow insert forms a bypass leading to the suction opening for a bypass flow leading to the fan main flow. Measuring means are provided in the bypass for the volume flow determination of the fan main flow. A confusor is provided in the bypass. The confusor is formed by a first web and a second web. The first web and the second web circumferentially face one another to form a nozzle channel in the bypass. The nozzle channel has a radially narrowest section. The measuring means are arranged in the radially narrowest section.