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:
Aug. 14, 2018
Filed:
Nov. 14, 2014
Endress + Hauser Gmbh + Co. KG, Maulburg, DE;
ENDRESS + HAUSER GMBH + CO. KG, Maulburg, DE;
Abstract
A relative pressure sensor () includes a pressure measuring cell () having a measuring diaphragm (), a main body () which is connected to said measuring diaphragm, and a the measuring chamber between the measuring diaphragm and main body, a reference pressure being applied to the measuring chamber by a reference pressure channel () which runs from a rear face () of the main body () through the main body (); a clamping ring (); and a housing () which has at least one housing body () with a measuring cell chamber (), wherein the pressure measuring cell () is clamped in the measuring cell chamber () by the clamping ring (). The housing has a reference air opening () which communicates with the reference pressure channel () by a reference air path which has a path volume which is separate from the volume of the measuring cell chamber, wherein the reference air path has a section which runs along the rear face of the main body, wherein the section is bounded by the rear face of the main body and a guide body, which guide body is clamped in against the rear face of the main body and covers an opening of the reference pressure channel () in the rear face of the main body.