SINGLE-JET OR MULTI-JET IMPELLER-TYPE WATER METER

SINGLE-JET OR MULTI-JET IMPELLER-TYPE WATER METER

Described is single-jet or multi-jet impeller-type water meter with a device for compensating for errors due to ageing, the device having one or more pipes (3), always having a longitudinal cleft (4), or flow-retarding ribs (5) with annular grooves (15), located radially in a measurement chamber (11...

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1. Verfasser: LANGE RUDOLF
Format: Patent
Sprache:eng ; slo
Schlagworte:
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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creator LANGE RUDOLF
description Described is single-jet or multi-jet impeller-type water meter with a device for compensating for errors due to ageing, the device having one or more pipes (3), always having a longitudinal cleft (4), or flow-retarding ribs (5) with annular grooves (15), located radially in a measurement chamber (11) above a wheel (6) or thereunder. When the meter becomes dirty, the increase in rpm this causes is automatically compensated for since the flow cross-section of the pipes (3) is simultaneously decreased, thus leading to increased throttle losses, or the effective cross-section of the flow-retarding ribs (5) is increased. These devices can also be used for the initial adjustment of the meter.
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When the meter becomes dirty, the increase in rpm this causes is automatically compensated for since the flow cross-section of the pipes (3) is simultaneously decreased, thus leading to increased throttle losses, or the effective cross-section of the flow-retarding ribs (5) is increased. 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When the meter becomes dirty, the increase in rpm this causes is automatically compensated for since the flow cross-section of the pipes (3) is simultaneously decreased, thus leading to increased throttle losses, or the effective cross-section of the flow-retarding ribs (5) is increased. These devices can also be used for the initial adjustment of the meter.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
title SINGLE-JET OR MULTI-JET IMPELLER-TYPE WATER METER
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