Micro precise quantifying device with constant flow velocity
The invention relates to the technical field of hydraulic systems, and provides a constant-flow-rate micro-precise quantifying device which comprises a rotary cutting valve, the rotary cutting valve comprises a valve body and a valve element, the valve body is provided with a main flow channel and a...
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| creator | LIU JIN WU YI XIAO QIANYUAN |
| description | The invention relates to the technical field of hydraulic systems, and provides a constant-flow-rate micro-precise quantifying device which comprises a rotary cutting valve, the rotary cutting valve comprises a valve body and a valve element, the valve body is provided with a main flow channel and a plurality of branch flow channels, the valve element is rotatably arranged in the valve body, and the valve element is used for communicating the main flow channel with the different branch flow channels; a pressure sensor communicating with the main flow channel is arranged in the valve body and used for detecting the pressure in the main flow channel. The pressure sensor is arranged in the valve body to detect the pressure in the main flow channel, whether a liquid path is switched correctly or not can be judged according to the pressure of the main flow channel, the needed cost is reduced, the installation space of the sensor is saved, and a closed-loop control loop is formed in cooperation with the controller |
| format | Patent |
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The pressure sensor is arranged in the valve body to detect the pressure in the main flow channel, whether a liquid path is switched correctly or not can be judged according to the pressure of the main flow channel, the needed cost is reduced, the installation space of the sensor is saved, and a closed-loop control loop is formed in cooperation with the controller</description><language>chi ; eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MEASURING ; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE ; MECHANICAL ENGINEERING ; PHYSICS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; TAPS ; TESTING ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230411&DB=EPODOC&CC=CN&NR=115949764A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230411&DB=EPODOC&CC=CN&NR=115949764A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU JIN</creatorcontrib><creatorcontrib>WU YI</creatorcontrib><creatorcontrib>XIAO QIANYUAN</creatorcontrib><title>Micro precise quantifying device with constant flow velocity</title><description>The invention relates to the technical field of hydraulic systems, and provides a constant-flow-rate micro-precise quantifying device which comprises a rotary cutting valve, the rotary cutting valve comprises a valve body and a valve element, the valve body is provided with a main flow channel and a plurality of branch flow channels, the valve element is rotatably arranged in the valve body, and the valve element is used for communicating the main flow channel with the different branch flow channels; a pressure sensor communicating with the main flow channel is arranged in the valve body and used for detecting the pressure in the main flow channel. 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The pressure sensor is arranged in the valve body to detect the pressure in the main flow channel, whether a liquid path is switched correctly or not can be judged according to the pressure of the main flow channel, the needed cost is reduced, the installation space of the sensor is saved, and a closed-loop control loop is formed in cooperation with the controller</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MECHANICAL ENGINEERING PHYSICS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TAPS TESTING THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Micro precise quantifying device with constant flow velocity |
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