DIFFERENTIAL PRESSURE SENSOR

DIFFERENTIAL PRESSURE SENSOR

FIELD: instrumentation engineering including refrigeration and protection against inadmissible pressure drop in circulating liquid pumps. ^ SUBSTANCE: proposed device has case with lever secured therein on axle. One arm of lever is designed to actuate selector switch and other one is coupled on one...

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Hauptverfasser: VASIL'EV VJACHESLAV VJACHESLAVOVICH, KOSTIN ANDREJ NIKOLAEVICH, BUBNOV VLADIMIR ALEKSEEVICH, BOBKOV ALEKSANDR FEDOROVICH, DANILOV ANDREJ NIKOLAEVICH, MATJUKHIN ALEKSANDR IL'ICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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creator VASIL'EV VJACHESLAV VJACHESLAVOVICH
KOSTIN ANDREJ NIKOLAEVICH
BUBNOV VLADIMIR ALEKSEEVICH
BOBKOV ALEKSANDR FEDOROVICH
DANILOV ANDREJ NIKOLAEVICH
MATJUKHIN ALEKSANDR IL'ICH
description FIELD: instrumentation engineering including refrigeration and protection against inadmissible pressure drop in circulating liquid pumps. ^ SUBSTANCE: proposed device has case with lever secured therein on axle. One arm of lever is designed to actuate selector switch and other one is coupled on one end with range spring and on other end, with sensing system rod. Sensing system has two bellows mounted in sensing system case with nozzle communicating with high- and low-pressure cavities. Bellows are disposed one inside other , their both ends are joined together; low-pressure space is disposed between bellows and high-pressure cavity, between sensing system case and large bellows. ^ EFFECT: enhanced resistance to mechanical impacts, reduced material input, facilitated manufacture. ^ 1 cl, 1 dwg
format Patent
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title DIFFERENTIAL PRESSURE SENSOR
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