TURBOFAN
To provide a turbofan capable of suppressing twisting due to relative rotation of blade members constituting a blade.SOLUTION: A negative pressure side blade member 41 functioning as a first blade member forming one surface of a blade 27 is provided with a protrusion part 46 having a non-circular cr...
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| creator | DOI YASUYUKI OKABE KIYOSHI |
| description | To provide a turbofan capable of suppressing twisting due to relative rotation of blade members constituting a blade.SOLUTION: A negative pressure side blade member 41 functioning as a first blade member forming one surface of a blade 27 is provided with a protrusion part 46 having a non-circular cross section, which protrudes toward a positive pressure side blade member 51 functioning as a second blade member forming the other surface. Also, the positive pressure side blade member 51 is provided with an insertion part 56 into which the protrusion part 46 is inserted and the portion of the non-circular cross section is fitted so as not to be relatively rotatable.SELECTED DRAWING: Figure 4
【課題】羽根を構成する羽根部材同士の相対回転を伴うねじれを抑制可能なターボファンを提供すること。【解決手段】羽根２７の一方の面を形成する第１の羽根部材として機能する負圧側羽根部材４１には、他方の面を形成する第２の羽根部材として機能する正圧側羽根部材５１に向けて突出すると共に非円形断面の突出部４６が設けられる。また、正圧側羽根部材５１には、突出部４６が挿入されて前記非円形断面の箇所が相対回転不能に嵌まる挿入部５６が設けられる。【選択図】図４ |
| format | Patent |
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【課題】羽根を構成する羽根部材同士の相対回転を伴うねじれを抑制可能なターボファンを提供すること。【解決手段】羽根２７の一方の面を形成する第１の羽根部材として機能する負圧側羽根部材４１には、他方の面を形成する第２の羽根部材として機能する正圧側羽根部材５１に向けて突出すると共に非円形断面の突出部４６が設けられる。また、正圧側羽根部材５１には、突出部４６が挿入されて前記非円形断面の箇所が相対回転不能に嵌まる挿入部５６が設けられる。【選択図】図４</description><language>eng ; jpn</language><subject>BLASTING ; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; NON-POSITIVE DISPLACEMENT PUMPS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2020</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=20200831&DB=EPODOC&CC=JP&NR=2020133498A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200831&DB=EPODOC&CC=JP&NR=2020133498A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DOI YASUYUKI</creatorcontrib><creatorcontrib>OKABE KIYOSHI</creatorcontrib><title>TURBOFAN</title><description>To provide a turbofan capable of suppressing twisting due to relative rotation of blade members constituting a blade.SOLUTION: A negative pressure side blade member 41 functioning as a first blade member forming one surface of a blade 27 is provided with a protrusion part 46 having a non-circular cross section, which protrudes toward a positive pressure side blade member 51 functioning as a second blade member forming the other surface. Also, the positive pressure side blade member 51 is provided with an insertion part 56 into which the protrusion part 46 is inserted and the portion of the non-circular cross section is fitted so as not to be relatively rotatable.SELECTED DRAWING: Figure 4
【課題】羽根を構成する羽根部材同士の相対回転を伴うねじれを抑制可能なターボファンを提供すること。【解決手段】羽根２７の一方の面を形成する第１の羽根部材として機能する負圧側羽根部材４１には、他方の面を形成する第２の羽根部材として機能する正圧側羽根部材５１に向けて突出すると共に非円形断面の突出部４６が設けられる。また、正圧側羽根部材５１には、突出部４６が挿入されて前記非円形断面の箇所が相対回転不能に嵌まる挿入部５６が設けられる。【選択図】図４</description><subject>BLASTING</subject><subject>DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-POSITIVE DISPLACEMENT PUMPS</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAICQ1y8ndz9ONhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGRgaGxsYmlhaOxkQpAgBcAhvE</recordid><startdate>20200831</startdate><enddate>20200831</enddate><creator>DOI YASUYUKI</creator><creator>OKABE KIYOSHI</creator><scope>EVB</scope></search><sort><creationdate>20200831</creationdate><title>TURBOFAN</title><author>DOI YASUYUKI ; OKABE KIYOSHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2020133498A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2020</creationdate><topic>BLASTING</topic><topic>DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-POSITIVE DISPLACEMENT PUMPS</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DOI YASUYUKI</creatorcontrib><creatorcontrib>OKABE KIYOSHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DOI YASUYUKI</au><au>OKABE KIYOSHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TURBOFAN</title><date>2020-08-31</date><risdate>2020</risdate><abstract>To provide a turbofan capable of suppressing twisting due to relative rotation of blade members constituting a blade.SOLUTION: A negative pressure side blade member 41 functioning as a first blade member forming one surface of a blade 27 is provided with a protrusion part 46 having a non-circular cross section, which protrudes toward a positive pressure side blade member 51 functioning as a second blade member forming the other surface. Also, the positive pressure side blade member 51 is provided with an insertion part 56 into which the protrusion part 46 is inserted and the portion of the non-circular cross section is fitted so as not to be relatively rotatable.SELECTED DRAWING: Figure 4
【課題】羽根を構成する羽根部材同士の相対回転を伴うねじれを抑制可能なターボファンを提供すること。【解決手段】羽根２７の一方の面を形成する第１の羽根部材として機能する負圧側羽根部材４１には、他方の面を形成する第２の羽根部材として機能する正圧側羽根部材５１に向けて突出すると共に非円形断面の突出部４６が設けられる。また、正圧側羽根部材５１には、突出部４６が挿入されて前記非円形断面の箇所が相対回転不能に嵌まる挿入部５６が設けられる。【選択図】図４</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; jpn |
| recordid | cdi_epo_espacenet_JP2020133498A |
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| subjects | BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS THERMAL INSULATION IN GENERAL WEAPONS |
| title | TURBOFAN |
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