EP 0970381 A1 20000112 - METHOD AND DEVICE FOR DETECTING GAS AND LIQUID VOLUMES USING VOLUMETERS
Title (en)
METHOD AND DEVICE FOR DETECTING GAS AND LIQUID VOLUMES USING VOLUMETERS
Title (de)
VERFAHREN UND VORRICHTUNG ZUM ERFASSEN VON GAS- UND FLÜSSIGKEITSVOLUMINA MIT VOLUMENZÄHLERN
Title (fr)
PROCEDE ET DISPOSITIF DE DETECTION DE VOLUMES DE GAZ ET DE LIQUIDE AVEC COMPTEURS DE VOLUME
Publication
Application
Priority
- DE 9800889 W 19980324
- DE 19714351 A 19970326
Abstract (en)
[origin: DE19714351A1] The invention relates to a method and a device for detecting gas and liquid volumes using volumeters, wherein voltage pulses are produced by magnetic reversal of stationary pulse wire sensors during contactless displacement thereon of a permanent magnet secured to the shaft of a measuring apparatus. Said pulses enable volumes determined by the measuring apparatus to be picked up by a pulse processing device and to be displayed by an electronic meter. Voltage pulses (S1; S2) acting as metering pulses moving in the same direction are generated in rapid succession by two pulse wire sensors (5; 6) having the same polarity. Said pulses are metered by forward-backward counters and are allocated a common voltage pulse (S3) acting as a directional pulse by a pulse wire sensor (17) having an opposite polarity in comparison with the other identical polarity pulse wire sensors. Said pulse is converted into a directional bit enabling the meters to recognize metering direction, and the indicated meter count is used to perform a redundancy check. Meters (35) such as up-down counters (23) or those used for microcontrollers (14) or hardware counters (26) are used as metering devices. Three or even two pulse wire sensors (5; 6; 17) are tightly grouped into a bundle which is arranged vertically in relation to the magnet axis. Said sensors supply voltage pulses which are processed by a corresponding logical unit.
IPC 1-7
G01P 13/04; G01P 3/487; G01F 3/08; G01F 3/10; G01F 1/075; G01F 1/115; G01F 15/06
IPC 8 full level
G01F 1/075 (2006.01); G01F 1/115 (2006.01); G01F 3/08 (2006.01); G01F 3/10 (2006.01); G01F 15/06 (2006.01); G01P 3/487 (2006.01); G01P 13/04 (2006.01)
CPC (source: EP)
G01F 1/075 (2013.01); G01F 1/115 (2013.01); G01F 3/08 (2013.01); G01F 3/10 (2013.01); G01F 15/066 (2013.01); G01P 3/487 (2013.01); G01P 13/045 (2013.01)
Citation (search report)
See references of WO 9843098A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
DE 19714351 A1 19981001; DE 19714351 C2 19990128; EP 0970381 A1 20000112; WO 9843098 A1 19981001
DOCDB simple family (application)
DE 19714351 A 19970326; DE 9800889 W 19980324; EP 98919074 A 19980324