Propulsion system for a ship
The invention comprises a propulsion system for ships comprising an impeller (13, 14), a stator shell (1), and an impeller housing (3) for achieving a water jet, a shaft (11, 12) for the propulsion of the impeller (13), and a bearing arrangement for the shaft (11, 12) in the stator shell (1), and pr...
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| creator | KARLSSON, SVEN-GUNNAR HAGER, CHRISTER TORNBLAD, JENS TYRUD, GUNNAR |
| description | The invention comprises a propulsion system for ships comprising an impeller (13, 14), a stator shell (1), and an impeller housing (3) for achieving a water jet, a shaft (11, 12) for the propulsion of the impeller (13), and a bearing arrangement for the shaft (11, 12) in the stator shell (1), and preferably a sealing (15) of the shaft (11, 12) in the impeller housing (3), wherein the shaft (11, 12) consists of a light weight shaft, which has considerably lower bending rigidity than a homogenous, conventional steel shaft, and the driving force is transmitted via at least one non-flexible coupling (11B, 12A) and via said bearing arrangement which is rigid as to bending and handles the axial load, to the stator shell (1), such that a high power density is achieved. |
| format | Patent |
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BLASTING ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FLEXIBLE SHAFTS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MARINE PROPULSION OR STEERING ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; RELATED EQUIPMENT ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; SHIPS OR OTHER WATERBORNE VESSELS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS</subject><creationdate>2004</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=20040227&DB=EPODOC&CC=NZ&NR=522592A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040227&DB=EPODOC&CC=NZ&NR=522592A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KARLSSON, SVEN-GUNNAR</creatorcontrib><creatorcontrib>HAGER, CHRISTER</creatorcontrib><creatorcontrib>TORNBLAD, JENS</creatorcontrib><creatorcontrib>TYRUD, GUNNAR</creatorcontrib><title>Propulsion system for a ship</title><description>The invention comprises a propulsion system for ships comprising an impeller (13, 14), a stator shell (1), and an impeller housing (3) for achieving a water jet, a shaft (11, 12) for the propulsion of the impeller (13), and a bearing arrangement for the shaft (11, 12) in the stator shell (1), and preferably a sealing (15) of the shaft (11, 12) in the impeller housing (3), wherein the shaft (11, 12) consists of a light weight shaft, which has considerably lower bending rigidity than a homogenous, conventional steel shaft, and the driving force is transmitted via at least one non-flexible coupling (11B, 12A) and via said bearing arrangement which is rigid as to bending and handles the axial load, to the stator shell (1), such that a high power density is achieved.</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MARINE PROPULSION OR STEERING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>RELATED EQUIPMENT</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>SHIPS OR OTHER WATERBORNE VESSELS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAJKMovKM0pzszPUyiuLC5JzVVIyy9SSFQozsgs4GFgTUvMKU7lhdLcDHJuriHOHrqpBfnxqcUFicmpeakl8X5RpkZGppZGjsYEFQAA4EciuQ</recordid><startdate>20040227</startdate><enddate>20040227</enddate><creator>KARLSSON, SVEN-GUNNAR</creator><creator>HAGER, CHRISTER</creator><creator>TORNBLAD, JENS</creator><creator>TYRUD, GUNNAR</creator><scope>EVB</scope></search><sort><creationdate>20040227</creationdate><title>Propulsion system for a ship</title><author>KARLSSON, SVEN-GUNNAR ; HAGER, CHRISTER ; TORNBLAD, JENS ; TYRUD, GUNNAR</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_NZ522592A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2004</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MARINE PROPULSION OR STEERING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>RELATED EQUIPMENT</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>SHIPS OR OTHER WATERBORNE VESSELS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KARLSSON, SVEN-GUNNAR</creatorcontrib><creatorcontrib>HAGER, CHRISTER</creatorcontrib><creatorcontrib>TORNBLAD, JENS</creatorcontrib><creatorcontrib>TYRUD, GUNNAR</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KARLSSON, SVEN-GUNNAR</au><au>HAGER, CHRISTER</au><au>TORNBLAD, JENS</au><au>TYRUD, GUNNAR</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Propulsion system for a ship</title><date>2004-02-27</date><risdate>2004</risdate><abstract>The invention comprises a propulsion system for ships comprising an impeller (13, 14), a stator shell (1), and an impeller housing (3) for achieving a water jet, a shaft (11, 12) for the propulsion of the impeller (13), and a bearing arrangement for the shaft (11, 12) in the stator shell (1), and preferably a sealing (15) of the shaft (11, 12) in the impeller housing (3), wherein the shaft (11, 12) consists of a light weight shaft, which has considerably lower bending rigidity than a homogenous, conventional steel shaft, and the driving force is transmitted via at least one non-flexible coupling (11B, 12A) and via said bearing arrangement which is rigid as to bending and handles the axial load, to the stator shell (1), such that a high power density is achieved.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MARINE PROPULSION OR STEERING MECHANICAL ENGINEERING PERFORMING OPERATIONS RELATED EQUIPMENT ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS SHIPS OR OTHER WATERBORNE VESSELS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS |
| title | Propulsion system for a ship |
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