Motor pump unit
A motor pump unit for a high-pressure cleaning apparatus has an electric motor and a pump. The electric motor has a motor housing that is surrounded by a cooling housing with an annular space having an annular space inlet and an annular space outlet formed therebetween. The pump has a suction inlet...
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| creator | SCHIFAUER WALTER POL LANFRANCO |
| description | A motor pump unit for a high-pressure cleaning apparatus has an electric motor and a pump. The electric motor has a motor housing that is surrounded by a cooling housing with an annular space having an annular space inlet and an annular space outlet formed therebetween. The pump has a suction inlet connected to the annular space outlet and a pressure outlet. The liquid to be transported by the pump can be supplied to the annular space inlet. In order to improve the motor pump unit such that the motor housing can have a small wall thickness and can still be cooled effectively over a large surface area, the motor housing is configured as a one-piece deep-drawn part which in a front shell area contacts stator laminations of the electric motor and in a rear shell area is arranged at a distance from rear coil heads of the stator and in the rear shell area has stiffness-enhancing depressions, wherein the front and the rear shell areas are surrounded by the annular space. |
| format | Patent |
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The electric motor has a motor housing that is surrounded by a cooling housing with an annular space having an annular space inlet and an annular space outlet formed therebetween. The pump has a suction inlet connected to the annular space outlet and a pressure outlet. The liquid to be transported by the pump can be supplied to the annular space inlet. In order to improve the motor pump unit such that the motor housing can have a small wall thickness and can still be cooled effectively over a large surface area, the motor housing is configured as a one-piece deep-drawn part which in a front shell area contacts stator laminations of the electric motor and in a rear shell area is arranged at a distance from rear coil heads of the stator and in the rear shell area has stiffness-enhancing depressions, wherein the front and the rear shell areas are surrounded by the annular space.</description><language>eng</language><subject>BLASTING ; CLEANING ; CLEANING IN GENERAL ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; GENERATION ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PREVENTION OF FOULING IN GENERAL ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; TRANSPORTING ; WEAPONS</subject><creationdate>2015</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=20150602&DB=EPODOC&CC=US&NR=9046087B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150602&DB=EPODOC&CC=US&NR=9046087B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHIFAUER WALTER</creatorcontrib><creatorcontrib>POL LANFRANCO</creatorcontrib><title>Motor pump unit</title><description>A motor pump unit for a high-pressure cleaning apparatus has an electric motor and a pump. The electric motor has a motor housing that is surrounded by a cooling housing with an annular space having an annular space inlet and an annular space outlet formed therebetween. The pump has a suction inlet connected to the annular space outlet and a pressure outlet. The liquid to be transported by the pump can be supplied to the annular space inlet. In order to improve the motor pump unit such that the motor housing can have a small wall thickness and can still be cooled effectively over a large surface area, the motor housing is configured as a one-piece deep-drawn part which in a front shell area contacts stator laminations of the electric motor and in a rear shell area is arranged at a distance from rear coil heads of the stator and in the rear shell area has stiffness-enhancing depressions, wherein the front and the rear shell areas are surrounded by the annular space.</description><subject>BLASTING</subject><subject>CLEANING</subject><subject>CLEANING IN GENERAL</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DYNAMO-ELECTRIC MACHINES</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PREVENTION OF FOULING IN GENERAL</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOD3zS_JL1IoKM0tUCjNyyzhYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxocGWBiZmBhbmTkbGRCgBAEiDHp8</recordid><startdate>20150602</startdate><enddate>20150602</enddate><creator>SCHIFAUER WALTER</creator><creator>POL LANFRANCO</creator><scope>EVB</scope></search><sort><creationdate>20150602</creationdate><title>Motor pump unit</title><author>SCHIFAUER WALTER ; POL LANFRANCO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9046087B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>BLASTING</topic><topic>CLEANING</topic><topic>CLEANING IN GENERAL</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DYNAMO-ELECTRIC MACHINES</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PREVENTION OF FOULING IN GENERAL</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHIFAUER WALTER</creatorcontrib><creatorcontrib>POL LANFRANCO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHIFAUER WALTER</au><au>POL LANFRANCO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Motor pump unit</title><date>2015-06-02</date><risdate>2015</risdate><abstract>A motor pump unit for a high-pressure cleaning apparatus has an electric motor and a pump. The electric motor has a motor housing that is surrounded by a cooling housing with an annular space having an annular space inlet and an annular space outlet formed therebetween. The pump has a suction inlet connected to the annular space outlet and a pressure outlet. The liquid to be transported by the pump can be supplied to the annular space inlet. In order to improve the motor pump unit such that the motor housing can have a small wall thickness and can still be cooled effectively over a large surface area, the motor housing is configured as a one-piece deep-drawn part which in a front shell area contacts stator laminations of the electric motor and in a rear shell area is arranged at a distance from rear coil heads of the stator and in the rear shell area has stiffness-enhancing depressions, wherein the front and the rear shell areas are surrounded by the annular space.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US9046087B2 |
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| subjects | BLASTING CLEANING CLEANING IN GENERAL CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PREVENTION OF FOULING IN GENERAL PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS TRANSPORTING WEAPONS |
| title | Motor pump unit |
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