公开(公告)号：BR0011041A

公开(公告)日：2003-08-12

申请号：BR0011041

申请日：2000-05-18

Applicant: ABB RESEARCH LTD

Inventor： GASCH ARMIN ,  RIEGLER PETER

IPC: G01F1/66 ,  G01F1/74 ,  G01P5/00 ,  G01N22/04

公开(公告)号：DE102004019222A1

公开(公告)日：2005-11-10

申请号：DE102004019222

申请日：2004-04-21

Applicant: ABB RESEARCH LTD

Inventor： MILANOVIC RAIKO ,  MERTE ROLF ,  GASCH ARMIN ,  LORITO FABRIZIO ,  MORONI ANDREA ,  VECCHIATO FRANCO ,  BIANCHI CORRADO ,  VOLONTERIO EUGENIO ,  KRIPPNER PETER ,  SCHOLZ WOLFGANG ,  RIEGLER PETER ,  ALTIOK EMRULLAH ,  BISKUP JUERGEN ,  DAAKE WILHELM

IPC: G01L7/00 ,  G01L7/08 ,  G01L13/02 ,  G01L27/00

Abstract: The invention relates to a device and a method for the status monitoring of a pressure measuring unit in an absolute or differential or relative pressure transducer, a pressure-sensitive element installed in the pressure measuring unit being impinged with at least one pressure generated by at least one membrane. During a defined diagnosis time interval, a testing element integrated in the pressure measuring unit is induced to undergo a change in volume, preferably by electrical activation. The pressure difference caused as a result in the pressure measuring unit is registered by a pressure-sensitive element. The curve registered during a diagnosis time interval is compared with a reference curve recorded with the pressure measuring unit intact. A fault indication is given if the deviations between the registered curve and the reference curve exceed predetermined tolerance values.

公开(公告)号：DE10337114A1

公开(公告)日：2005-03-03

申请号：DE10337114

申请日：2003-08-11

Applicant: ABB RESEARCH LTD

Inventor： SCHMIDT CHRISTIAN JOACHIM ,  WETZKO MANFRED ,  RIEGLER PETER ,  KRIPPNER PETER ,  RUZZU ANTONIO

IPC: G01N30/86

Abstract: Process for testing an analytical device (1) for gases having a gas chromatograph (2) involves continuously determining the functionality of the chromatograph and a detector (3) from measuring signals from a single measuring cycle.

公开(公告)号：DE10137921A1

公开(公告)日：2003-02-13

申请号：DE10137921

申请日：2001-08-02

Applicant: ABB RESEARCH LTD

Inventor： GASCH ARMIN ,  RIEGLER PETER ,  WETZKO MANFRED ,  WALDI WOLFGANG ,  WRAY TROY

IPC: G01F1/84 ,  G01F1/80

Abstract: Method for determination of the mass flow rate of a fluid medium (100) through a measurement pipe (2) that is contained and supported by a support pipe (3, 4) that is used to excite vibrations in the measurement pipe so that Coriolis mass flow measurements can be made. To prevent asymmetries or anisotropies in the measurement flow medium the measurement arrangement is tensioned to match the properties of the fluid medium either prior to, or during measurements. An Independent claim is made for a Coriolis type mass flow measurement device wherein the support pipe for the measurement pipe is in contact with a tensioning and adjustment device (7) with which a defined tensile force can be applied to balance out asymmetries or anisotropies.