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1. WO1995033185 - PROBE FOR MEASURING THE SPEED OR RATE OF FLOW OF A FLOWING MEDIUM, IN PARTICULAR FOR AIR VOLUME MEASUREMENT, AND PRESSURE CELL IN PARTICULAR FOR USE WITH SUCH A PROBE

Publication Number WO/1995/033185
Publication Date 07.12.1995
International Application No. PCT/DE1995/000647
International Filing Date 17.05.1995
IPC
G01F 1/38 2006.01
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
05by using mechanical effects
34by measuring pressure or differential pressure
36the pressure or differential pressure being created by the use of flow constriction
38the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
G01F 1/46 2006.01
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
05by using mechanical effects
34by measuring pressure or differential pressure
36the pressure or differential pressure being created by the use of flow constriction
40Details of construction of the flow constriction devices
46Pitot tubes
G01L 9/00 2006.01
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
9Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
CPC
G01F 1/38
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
05by using mechanical effects
34by measuring pressure or differential pressure
36the pressure or differential pressure being created by the use of flow constriction
38the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
G01F 1/46
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
05by using mechanical effects
34by measuring pressure or differential pressure
36the pressure or differential pressure being created by the use of flow constriction
40Details or construction of the flow constriction devices
46Pitot tubes
G01L 9/0077
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
9Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements
0041Transmitting or indicating the displacement of flexible diaphragms
0076using photoelectric means
0077for measuring reflected light
Applicants
  • BAVARIA-TECH WERNER SCHLATTL [DE]/[DE] (AllExceptUS)
  • SCHLATTL, Werner [DE]/[DE] (UsOnly)
Inventors
  • SCHLATTL, Werner
Agents
  • WASMEIER, A.
Priority Data
P 44 18 393.326.05.1994DE
P 44 21 948.223.06.1994DE
P 44 22 058.823.06.1994DE
P 44 26 272.825.07.1994DE
P 44 26 273.625.07.1994DE
P 44 30 158.825.08.1994DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) SONDE ZUR MESSUNG DER STRÖMUNGSGESCHWINDIGKEIT BZW. STRÖMUNGSMENGE EINES STRÖMENDEN MEDIUMS, INSBESONDERE ZUR LUFTMENGENMESSUNG, SOWIE DRUCKMESSDOSE, INSBESONDERE ZUR VERWENDUNG BEI EINER SOLCHEN SONDE
(EN) PROBE FOR MEASURING THE SPEED OR RATE OF FLOW OF A FLOWING MEDIUM, IN PARTICULAR FOR AIR VOLUME MEASUREMENT, AND PRESSURE CELL IN PARTICULAR FOR USE WITH SUCH A PROBE
(FR) SONDE DE MESURE DE LA VITESSE D'ECOULEMENT OU DU DEBIT D'UN MILIEU EN ECOULEMENT, NOTAMMENT DE MESURE DU VOLUME D'AIR, ET BOITE DYNAMOMETRIQUE A UTILISER NOTAMMENT AVEC CETTE SONDE
Abstract
(DE)
Eine Sonde zur Messung der Geschwindigkeit oder Strömungsmenge eines strömenden Mediums besteht aus einem langgestreckten Sondenkörper, der mit seiner Längserstreckung quer oder senkrecht zur Richtung der Strömung orientiert ist und in einem von dem Medium durchströmten Raum hineinreicht. Am freien Ende besitzt der Sondenkörper eine erste in einem ersten Kanal mündende und in einer Ebene senkrecht zur Längserstreckung der Sonde liegende Meßöffnung zur Messung des statischen Druckes der Strömung und eine zweite Meßöffnung, die in einem zweiten vom ersten Kanal getrennten Kanal für die Messung des dynamischen Druckes vorgesehen ist. Mit den beiden Kanälen ist die Sonde vorzugsweise an eine Differenzdruckmeßdose angeschlossen und bildet zusammen mit dieser beispielsweise einen Luftmassenmesser zur Verwendung bei einem Verbrennungsmotor.
(EN)
A probe for measuring the speed or rate of flow of a flowing medium consists of an elongated probe body perpendicular or transversely oriented to the direction of flow and that extends into a chamber through which flows the medium. At its free end, the probe body has a first measurement opening that opens into a first channel and lies in a plane perpendicular to the probe for measuring the static pressure of the flow, as well as a second measurement opening for measuring dynamic pressure that opens into a second channel separate from the first channel. The probe is preferably connected with its two channels to a differential pressure cell and forms together with said cell an air volume measurement device for use in an internal combustion engine, for example.
(FR)
Une sonde de mesure de la vitesse d'écoulement ou du débit d'un milieu en écoulement comprend un corps allongé perpendiculaire ou transversal au sens d'écoulement qui s'étend à l'intérieur d'une chambre traversée par le milieu en écoulement. Le corps de la sonde comprend à son extrémité libre une première ouverture de mesure de la pression statique du courant qui s'ouvre dans un premier canal et qui se situe dans un plan perpendiculaire à la sonde, ainsi qu'une deuxième ouverture de mesure ménagée dans un deuxième canal séparé du premier canal pour mesurer la pression dynamique. La sonde est de préférence raccordée avec ces deux canaux à une boîte dynamométrique de mesure de la pression différentielle et forme par exemple avec celle-ci un dispositif de mesure du volume d'air dans un moteur à combustion interne.
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