JP2894104B
The object of the present invention is to protect the passengers against ear discomfort by reducing the change of pressure in the car caused by high speed of the rolling stock when the car is running through the tunnel. The rolling stock ventilator according to the present invention comprises air su...
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| creator | MATSUMOTO MASAKAZU HIRAKAWA HARUO ISHIKAWA SHINICHIRO OKUNO SUMIO HATSUTORI MORISHIGE |
| description | The object of the present invention is to protect the passengers against ear discomfort by reducing the change of pressure in the car caused by high speed of the rolling stock when the car is running through the tunnel. The rolling stock ventilator according to the present invention comprises air supply fan 2, exhaust fan 3, inverter 5 to change the air feed characteristics of said two fans, flow path resistance changers 6 and 7, tunnel detector 9 to detect the tunnel, car internal pressure detector 10 and controller 13. The controller sends to inverts 5 and flow path resistance changers 6 and 7 a control command to change the operation frequency of said air supply fan 2 and exhaust fan 3 according to the result of detection by said tunel detector 9 and car internal pressure detector 10 and a control command to change the air feed resistance of said flow path resistance changers 6 and 7. |
| format | Patent |
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The rolling stock ventilator according to the present invention comprises air supply fan 2, exhaust fan 3, inverter 5 to change the air feed characteristics of said two fans, flow path resistance changers 6 and 7, tunnel detector 9 to detect the tunnel, car internal pressure detector 10 and controller 13. The controller sends to inverts 5 and flow path resistance changers 6 and 7 a control command to change the operation frequency of said air supply fan 2 and exhaust fan 3 according to the result of detection by said tunel detector 9 and car internal pressure detector 10 and a control command to change the air feed resistance of said flow path resistance changers 6 and 7.</description><edition>6</edition><language>eng</language><subject>ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES ; BODY DETAILS OR KINDS OF RAILWAY VEHICLES ; PERFORMING OPERATIONS ; RAILWAYS ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>1999</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=19990524&DB=EPODOC&CC=JP&NR=2894104B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990524&DB=EPODOC&CC=JP&NR=2894104B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MATSUMOTO MASAKAZU</creatorcontrib><creatorcontrib>HIRAKAWA HARUO</creatorcontrib><creatorcontrib>ISHIKAWA SHINICHIRO</creatorcontrib><creatorcontrib>OKUNO SUMIO</creatorcontrib><creatorcontrib>HATSUTORI MORISHIGE</creatorcontrib><title>JP2894104B</title><description>The object of the present invention is to protect the passengers against ear discomfort by reducing the change of pressure in the car caused by high speed of the rolling stock when the car is running through the tunnel. The rolling stock ventilator according to the present invention comprises air supply fan 2, exhaust fan 3, inverter 5 to change the air feed characteristics of said two fans, flow path resistance changers 6 and 7, tunnel detector 9 to detect the tunnel, car internal pressure detector 10 and controller 13. The controller sends to inverts 5 and flow path resistance changers 6 and 7 a control command to change the operation frequency of said air supply fan 2 and exhaust fan 3 according to the result of detection by said tunel detector 9 and car internal pressure detector 10 and a control command to change the air feed resistance of said flow path resistance changers 6 and 7.</description><subject>ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES</subject><subject>BODY DETAILS OR KINDS OF RAILWAY VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>RAILWAYS</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODyCjCysDQxNDBx4mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8QgNTkbGxKgBACZnG20</recordid><startdate>19990524</startdate><enddate>19990524</enddate><creator>MATSUMOTO MASAKAZU</creator><creator>HIRAKAWA HARUO</creator><creator>ISHIKAWA SHINICHIRO</creator><creator>OKUNO SUMIO</creator><creator>HATSUTORI MORISHIGE</creator><scope>EVB</scope></search><sort><creationdate>19990524</creationdate><title>JP2894104B</title><author>MATSUMOTO MASAKAZU ; HIRAKAWA HARUO ; ISHIKAWA SHINICHIRO ; OKUNO SUMIO ; HATSUTORI MORISHIGE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2894104BB23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES</topic><topic>BODY DETAILS OR KINDS OF RAILWAY VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>RAILWAYS</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>MATSUMOTO MASAKAZU</creatorcontrib><creatorcontrib>HIRAKAWA HARUO</creatorcontrib><creatorcontrib>ISHIKAWA SHINICHIRO</creatorcontrib><creatorcontrib>OKUNO SUMIO</creatorcontrib><creatorcontrib>HATSUTORI MORISHIGE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MATSUMOTO MASAKAZU</au><au>HIRAKAWA HARUO</au><au>ISHIKAWA SHINICHIRO</au><au>OKUNO SUMIO</au><au>HATSUTORI MORISHIGE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>JP2894104B</title><date>1999-05-24</date><risdate>1999</risdate><abstract>The object of the present invention is to protect the passengers against ear discomfort by reducing the change of pressure in the car caused by high speed of the rolling stock when the car is running through the tunnel. The rolling stock ventilator according to the present invention comprises air supply fan 2, exhaust fan 3, inverter 5 to change the air feed characteristics of said two fans, flow path resistance changers 6 and 7, tunnel detector 9 to detect the tunnel, car internal pressure detector 10 and controller 13. The controller sends to inverts 5 and flow path resistance changers 6 and 7 a control command to change the operation frequency of said air supply fan 2 and exhaust fan 3 according to the result of detection by said tunel detector 9 and car internal pressure detector 10 and a control command to change the air feed resistance of said flow path resistance changers 6 and 7.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BODY DETAILS OR KINDS OF RAILWAY VEHICLES PERFORMING OPERATIONS RAILWAYS TRANSPORTING VEHICLES IN GENERAL |
| title | JP2894104B |
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