Screw pump, screw rotor, method of manufacturing a screw rotor, and use of a screw pump or a screw rotor
A screw pump (100) comprising a housing defining a chamber (62) and two screw rotors (10). Wherein each screw rotor (10) comprises a rotor shaft (11) and at least two displacement elements (12, 14) connected with the rotor shaft (11). Each displacement element (12, 14) having at least one helical pr...
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| creator | CHRISP, DAVID THOMAS MULLER, ROLAND ALBERT |
| description | A screw pump (100) comprising a housing defining a chamber (62) and two screw rotors (10). Wherein each screw rotor (10) comprises a rotor shaft (11) and at least two displacement elements (12, 14) connected with the rotor shaft (11). Each displacement element (12, 14) having at least one helical protrusion (36, 50). One of the displacement elements (12, 14) is a suction-side dis-placement element (12) arranged in a suction-side section (64) of the chamber (62). Another one of the displacement elements (12, 14) is a pressure-side displacement element (14) arranged in a pressure-side section (68) of the chamber (62). The suction-side displacement element (12) is designed tapering in the conveying direction (22). The clearance between the pressure-side dis-placement element (14) and the pressure-side section (68) of the chamber at least partly decreases in the conveying direction (22). Furthermore, a screw rotor (10), a method of manufacturing a screw rotor (10) and a use of a screw pump (100) or a screw rotor |
| format | Patent |
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Wherein each screw rotor (10) comprises a rotor shaft (11) and at least two displacement elements (12, 14) connected with the rotor shaft (11). Each displacement element (12, 14) having at least one helical protrusion (36, 50). One of the displacement elements (12, 14) is a suction-side dis-placement element (12) arranged in a suction-side section (64) of the chamber (62). Another one of the displacement elements (12, 14) is a pressure-side displacement element (14) arranged in a pressure-side section (68) of the chamber (62). The suction-side displacement element (12) is designed tapering in the conveying direction (22). The clearance between the pressure-side dis-placement element (14) and the pressure-side section (68) of the chamber at least partly decreases in the conveying direction (22). Furthermore, a screw rotor (10), a method of manufacturing a screw rotor (10) and a use of a screw pump (100) or a screw rotor</description><language>chi ; eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; WEAPONS</subject><creationdate>2023</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=20230316&DB=EPODOC&CC=TW&NR=202311628A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230316&DB=EPODOC&CC=TW&NR=202311628A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHRISP, DAVID THOMAS</creatorcontrib><creatorcontrib>MULLER, ROLAND ALBERT</creatorcontrib><title>Screw pump, screw rotor, method of manufacturing a screw rotor, and use of a screw pump or a screw rotor</title><description>A screw pump (100) comprising a housing defining a chamber (62) and two screw rotors (10). Wherein each screw rotor (10) comprises a rotor shaft (11) and at least two displacement elements (12, 14) connected with the rotor shaft (11). Each displacement element (12, 14) having at least one helical protrusion (36, 50). One of the displacement elements (12, 14) is a suction-side dis-placement element (12) arranged in a suction-side section (64) of the chamber (62). Another one of the displacement elements (12, 14) is a pressure-side displacement element (14) arranged in a pressure-side section (68) of the chamber (62). The suction-side displacement element (12) is designed tapering in the conveying direction (22). The clearance between the pressure-side dis-placement element (14) and the pressure-side section (68) of the chamber at least partly decreases in the conveying direction (22). Furthermore, a screw rotor (10), a method of manufacturing a screw rotor (10) and a use of a screw pump (100) or a screw rotor</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</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>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZMgITi5KLVcoKM0t0FEoBrOL8kvyi3QUclNLMvJTFPLTFHIT80rTEpNLSosy89IVElGVJealKJQWp4LUwWRAhinkF6Gq5GFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8SHhRgZGxoaGZkYWjsbEqAEAXh4_Ng</recordid><startdate>20230316</startdate><enddate>20230316</enddate><creator>CHRISP, DAVID THOMAS</creator><creator>MULLER, ROLAND ALBERT</creator><scope>EVB</scope></search><sort><creationdate>20230316</creationdate><title>Screw pump, screw rotor, method of manufacturing a screw rotor, and use of a screw pump or a screw rotor</title><author>CHRISP, DAVID THOMAS ; MULLER, ROLAND ALBERT</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TW202311628A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</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>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>CHRISP, DAVID THOMAS</creatorcontrib><creatorcontrib>MULLER, ROLAND ALBERT</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHRISP, DAVID THOMAS</au><au>MULLER, ROLAND ALBERT</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Screw pump, screw rotor, method of manufacturing a screw rotor, and use of a screw pump or a screw rotor</title><date>2023-03-16</date><risdate>2023</risdate><abstract>A screw pump (100) comprising a housing defining a chamber (62) and two screw rotors (10). Wherein each screw rotor (10) comprises a rotor shaft (11) and at least two displacement elements (12, 14) connected with the rotor shaft (11). Each displacement element (12, 14) having at least one helical protrusion (36, 50). One of the displacement elements (12, 14) is a suction-side dis-placement element (12) arranged in a suction-side section (64) of the chamber (62). Another one of the displacement elements (12, 14) is a pressure-side displacement element (14) arranged in a pressure-side section (68) of the chamber (62). The suction-side displacement element (12) is designed tapering in the conveying direction (22). The clearance between the pressure-side dis-placement element (14) and the pressure-side section (68) of the chamber at least partly decreases in the conveying direction (22). Furthermore, a screw rotor (10), a method of manufacturing a screw rotor (10) and a use of a screw pump (100) or a screw rotor</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_TW202311628A |
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| subjects | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS |
| title | Screw pump, screw rotor, method of manufacturing a screw rotor, and use of a screw pump or a screw rotor |
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