JP2954308B
PURPOSE:To obtain such vane shape as to correspond in a wide operating range without lowering its performance by forming the front edge part of a vane into elliptical shape with its major axis direction to be the flow direction, and providing this front edge part in such a way as to be in contact wi...
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| creator | TANABE SEIICHI SATO JOSHIRO SOYAMA HITOSHI OOBA RISABURO TOSHIMA MASAMI |
| description | PURPOSE:To obtain such vane shape as to correspond in a wide operating range without lowering its performance by forming the front edge part of a vane into elliptical shape with its major axis direction to be the flow direction, and providing this front edge part in such a way as to be in contact with the pressure face and negative pressure face of the vane. CONSTITUTION:A vane 1 is formed of a negative pressure face 2, a pressure face 3 and a front edge part 6. The front edge part 6 is formed into elliptical shape with its major axis direction to be the flow direction, and provided in such a way as to be in contact with the negative pressure face 2 and the pressure face 3. As a result, breakaway generated from the front edge part of the vane 1 is controlled by the pressure distribution on the vane face. With this constitution, the pressure distribution of the vane front edge part 6 can be adjusted, and thereby the flow breaking away once at the front edge part 6 can be attached again. Large loss caused by the existing breakaway can be therefore reduced in large degree. |
| format | Patent |
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CONSTITUTION:A vane 1 is formed of a negative pressure face 2, a pressure face 3 and a front edge part 6. The front edge part 6 is formed into elliptical shape with its major axis direction to be the flow direction, and provided in such a way as to be in contact with the negative pressure face 2 and the pressure face 3. As a result, breakaway generated from the front edge part of the vane 1 is controlled by the pressure distribution on the vane face. With this constitution, the pressure distribution of the vane front edge part 6 can be adjusted, and thereby the flow breaking away once at the front edge part 6 can be attached again. Large loss caused by the existing breakaway can be therefore reduced in large degree.</description><edition>6</edition><language>eng</language><subject>BLASTING ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES FOR LIQUIDS ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ; PRODUCING MECHANICAL POWER ; ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ; STEAM ENGINES ; WEAPONS ; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</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=19990927&DB=EPODOC&CC=JP&NR=2954308B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990927&DB=EPODOC&CC=JP&NR=2954308B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANABE SEIICHI</creatorcontrib><creatorcontrib>SATO JOSHIRO</creatorcontrib><creatorcontrib>SOYAMA HITOSHI</creatorcontrib><creatorcontrib>OOBA RISABURO</creatorcontrib><creatorcontrib>TOSHIMA MASAMI</creatorcontrib><title>JP2954308B</title><description>PURPOSE:To obtain such vane shape as to correspond in a wide operating range without lowering its performance by forming the front edge part of a vane into elliptical shape with its major axis direction to be the flow direction, and providing this front edge part in such a way as to be in contact with the pressure face and negative pressure face of the vane. CONSTITUTION:A vane 1 is formed of a negative pressure face 2, a pressure face 3 and a front edge part 6. The front edge part 6 is formed into elliptical shape with its major axis direction to be the flow direction, and provided in such a way as to be in contact with the negative pressure face 2 and the pressure face 3. As a result, breakaway generated from the front edge part of the vane 1 is controlled by the pressure distribution on the vane face. With this constitution, the pressure distribution of the vane front edge part 6 can be adjusted, and thereby the flow breaking away once at the front edge part 6 can be attached again. Large loss caused by the existing breakaway can be therefore reduced in large degree.</description><subject>BLASTING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES FOR LIQUIDS</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</subject><subject>PRODUCING MECHANICAL POWER</subject><subject>ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><subject>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODyCjCyNDUxNrBw4mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8QgNTkbGxKgBACfqG3Y</recordid><startdate>19990927</startdate><enddate>19990927</enddate><creator>TANABE SEIICHI</creator><creator>SATO JOSHIRO</creator><creator>SOYAMA HITOSHI</creator><creator>OOBA RISABURO</creator><creator>TOSHIMA MASAMI</creator><scope>EVB</scope></search><sort><creationdate>19990927</creationdate><title>JP2954308B</title><author>TANABE SEIICHI ; SATO JOSHIRO ; SOYAMA HITOSHI ; OOBA RISABURO ; TOSHIMA MASAMI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2954308BB23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>BLASTING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES FOR LIQUIDS</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</topic><topic>PRODUCING MECHANICAL POWER</topic><topic>ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><topic>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>TANABE SEIICHI</creatorcontrib><creatorcontrib>SATO JOSHIRO</creatorcontrib><creatorcontrib>SOYAMA HITOSHI</creatorcontrib><creatorcontrib>OOBA RISABURO</creatorcontrib><creatorcontrib>TOSHIMA MASAMI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TANABE SEIICHI</au><au>SATO JOSHIRO</au><au>SOYAMA HITOSHI</au><au>OOBA RISABURO</au><au>TOSHIMA MASAMI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>JP2954308B</title><date>1999-09-27</date><risdate>1999</risdate><abstract>PURPOSE:To obtain such vane shape as to correspond in a wide operating range without lowering its performance by forming the front edge part of a vane into elliptical shape with its major axis direction to be the flow direction, and providing this front edge part in such a way as to be in contact with the pressure face and negative pressure face of the vane. CONSTITUTION:A vane 1 is formed of a negative pressure face 2, a pressure face 3 and a front edge part 6. The front edge part 6 is formed into elliptical shape with its major axis direction to be the flow direction, and provided in such a way as to be in contact with the negative pressure face 2 and the pressure face 3. As a result, breakaway generated from the front edge part of the vane 1 is controlled by the pressure distribution on the vane face. With this constitution, the pressure distribution of the vane front edge part 6 can be adjusted, and thereby the flow breaking away once at the front edge part 6 can be attached again. Large loss caused by the existing breakaway can be therefore reduced in large degree.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES STEAM ENGINES WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS |
| title | JP2954308B |
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