AIR FLOWMETER
PURPOSE:To obtain the flowmeter for an automobile internal combustion engine which can perform stable, highly accurate measurement immediately after a power source is turned ON, by shorting a first resistor which is connected to a flow speed detecting resistor in series for a specified time period w...
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| creator | NISHIMURA YUTAKA SUGIURA NOBORU OOYAMA TAKASHIGE |
| description | PURPOSE:To obtain the flowmeter for an automobile internal combustion engine which can perform stable, highly accurate measurement immediately after a power source is turned ON, by shorting a first resistor which is connected to a flow speed detecting resistor in series for a specified time period when the power source is turned ON, and adding a constant voltage to the connecting points. CONSTITUTION:A Wheatsone bridge circuit is constituted by a flow speed detecting part probe 1, a temperature compensating probe 2, a resistor 3, and a resistor 4. The constant voltage Vo is applied across the connecting point between the flow speed detecting part probe 1 and the temperature compensating probe 2 and the connecting point between the resistor 3 and the resistor 4. The outputs from connecting points are inputted to a differential amplifier 5. The output from the amplifier is inputted to the base of the transistor 6. Meanwhile, the output signal from a timer 8 which is operated by the output from an engine key switch 9 is inputted to the base of a switching transistor 10 which is connected to the resistor 3 in parallel. The constant voltage is applied to the positive terminal of the differential amplifier 5 from a constant voltage power source 12 through a diode 11. |
| format | Patent |
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CONSTITUTION:A Wheatsone bridge circuit is constituted by a flow speed detecting part probe 1, a temperature compensating probe 2, a resistor 3, and a resistor 4. The constant voltage Vo is applied across the connecting point between the flow speed detecting part probe 1 and the temperature compensating probe 2 and the connecting point between the resistor 3 and the resistor 4. The outputs from connecting points are inputted to a differential amplifier 5. The output from the amplifier is inputted to the base of the transistor 6. Meanwhile, the output signal from a timer 8 which is operated by the output from an engine key switch 9 is inputted to the base of a switching transistor 10 which is connected to the resistor 3 in parallel. The constant voltage is applied to the positive terminal of the differential amplifier 5 from a constant voltage power source 12 through a diode 11.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT ; LIGHTING ; MEASURING ; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK ; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL ; MECHANICAL ENGINEERING ; METERING BY VOLUME ; PHYSICS ; TESTING ; WEAPONS</subject><creationdate>1983</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=19830420&DB=EPODOC&CC=JP&NR=S5866018A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19830420&DB=EPODOC&CC=JP&NR=S5866018A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NISHIMURA YUTAKA</creatorcontrib><creatorcontrib>SUGIURA NOBORU</creatorcontrib><creatorcontrib>OOYAMA TAKASHIGE</creatorcontrib><title>AIR FLOWMETER</title><description>PURPOSE:To obtain the flowmeter for an automobile internal combustion engine which can perform stable, highly accurate measurement immediately after a power source is turned ON, by shorting a first resistor which is connected to a flow speed detecting resistor in series for a specified time period when the power source is turned ON, and adding a constant voltage to the connecting points. CONSTITUTION:A Wheatsone bridge circuit is constituted by a flow speed detecting part probe 1, a temperature compensating probe 2, a resistor 3, and a resistor 4. The constant voltage Vo is applied across the connecting point between the flow speed detecting part probe 1 and the temperature compensating probe 2 and the connecting point between the resistor 3 and the resistor 4. The outputs from connecting points are inputted to a differential amplifier 5. The output from the amplifier is inputted to the base of the transistor 6. Meanwhile, the output signal from a timer 8 which is operated by the output from an engine key switch 9 is inputted to the base of a switching transistor 10 which is connected to the resistor 3 in parallel. The constant voltage is applied to the positive terminal of the differential amplifier 5 from a constant voltage power source 12 through a diode 11.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</subject><subject>LIGHTING</subject><subject>MEASURING</subject><subject>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</subject><subject>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METERING BY VOLUME</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1983</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB19AxScPPxD_d1DXEN4mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8V4BwaYWZmYGhhaOxkQoAQB-jxyf</recordid><startdate>19830420</startdate><enddate>19830420</enddate><creator>NISHIMURA YUTAKA</creator><creator>SUGIURA NOBORU</creator><creator>OOYAMA TAKASHIGE</creator><scope>EVB</scope></search><sort><creationdate>19830420</creationdate><title>AIR FLOWMETER</title><author>NISHIMURA YUTAKA ; SUGIURA NOBORU ; OOYAMA TAKASHIGE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS5866018A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1983</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</topic><topic>LIGHTING</topic><topic>MEASURING</topic><topic>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</topic><topic>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METERING BY VOLUME</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>NISHIMURA YUTAKA</creatorcontrib><creatorcontrib>SUGIURA NOBORU</creatorcontrib><creatorcontrib>OOYAMA TAKASHIGE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NISHIMURA YUTAKA</au><au>SUGIURA NOBORU</au><au>OOYAMA TAKASHIGE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>AIR FLOWMETER</title><date>1983-04-20</date><risdate>1983</risdate><abstract>PURPOSE:To obtain the flowmeter for an automobile internal combustion engine which can perform stable, highly accurate measurement immediately after a power source is turned ON, by shorting a first resistor which is connected to a flow speed detecting resistor in series for a specified time period when the power source is turned ON, and adding a constant voltage to the connecting points. CONSTITUTION:A Wheatsone bridge circuit is constituted by a flow speed detecting part probe 1, a temperature compensating probe 2, a resistor 3, and a resistor 4. The constant voltage Vo is applied across the connecting point between the flow speed detecting part probe 1 and the temperature compensating probe 2 and the connecting point between the resistor 3 and the resistor 4. The outputs from connecting points are inputted to a differential amplifier 5. The output from the amplifier is inputted to the base of the transistor 6. Meanwhile, the output signal from a timer 8 which is operated by the output from an engine key switch 9 is inputted to the base of a switching transistor 10 which is connected to the resistor 3 in parallel. The constant voltage is applied to the positive terminal of the differential amplifier 5 from a constant voltage power source 12 through a diode 11.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LIGHTING MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL MECHANICAL ENGINEERING METERING BY VOLUME PHYSICS TESTING WEAPONS |
| title | AIR FLOWMETER |
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