FREMGANGSMAADE OG APPARAT TIL FREMSTILLING AF EN ROTOR TIL EN BOREHULSSKRUEMOTOR
PCT No. PCT/SU86/00008 Sec. 371 Date Sep. 1, 1987 Sec. 102(e) Date Sep. 1, 1987 PCT Filed Jan. 31, 1986 PCT Pub. No. WO87/04753 PCT Pub. Date Aug. 13, 1987.A rotor (1) of a screw hydraulic downhole motor, made as a hollow multiple-start screw featuring a substantially constant wall thickness. The ra...
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| creator | GOLDOBIN, VLADIMIR BORISOVICH NIKOMAROV, SAMUIL SOLOMONOVICH KOCHNEV, ANATOLY MIKHAILOVICH VSHIVKOV, ANDREI NIKOLAEVICH |
| description | PCT No. PCT/SU86/00008 Sec. 371 Date Sep. 1, 1987 Sec. 102(e) Date Sep. 1, 1987 PCT Filed Jan. 31, 1986 PCT Pub. No. WO87/04753 PCT Pub. Date Aug. 13, 1987.A rotor (1) of a screw hydraulic downhole motor, made as a hollow multiple-start screw featuring a substantially constant wall thickness. The ratio of the length of the rotor (1) cross-sectional outside contour to the length of the circumscribed circle of the contour is substantially within 0.9 and 1.05. When making the rotor (1) a forming element is inserted into a tubular blank, and a fluid pressure is applied to the outside blank surface. A device for making the rotor comprises a hollow housing accommodating a forming element installed on centering bushings. The bushings have fitting areas adapted for the ends of the tubular blank to fit thereon. |
| format | Patent |
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No. WO87/04753 PCT Pub. Date Aug. 13, 1987.A rotor (1) of a screw hydraulic downhole motor, made as a hollow multiple-start screw featuring a substantially constant wall thickness. The ratio of the length of the rotor (1) cross-sectional outside contour to the length of the circumscribed circle of the contour is substantially within 0.9 and 1.05. When making the rotor (1) a forming element is inserted into a tubular blank, and a fluid pressure is applied to the outside blank surface. A device for making the rotor comprises a hollow housing accommodating a forming element installed on centering bushings. The bushings have fitting areas adapted for the ends of the tubular blank to fit thereon.</description><edition>4</edition><language>dan</language><subject>BLASTING ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; ENGINE PLANTS IN GENERAL ; FIXED CONSTRUCTIONS ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ; STEAM ENGINES ; WEAPONS</subject><creationdate>1987</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=19870911&DB=EPODOC&CC=DK&NR=476087A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870911&DB=EPODOC&CC=DK&NR=476087A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GOLDOBIN, VLADIMIR BORISOVICH</creatorcontrib><creatorcontrib>NIKOMAROV, SAMUIL SOLOMONOVICH</creatorcontrib><creatorcontrib>KOCHNEV, ANATOLY MIKHAILOVICH</creatorcontrib><creatorcontrib>VSHIVKOV, ANDREI NIKOLAEVICH</creatorcontrib><title>FREMGANGSMAADE OG APPARAT TIL FREMSTILLING AF EN ROTOR TIL EN BOREHULSSKRUEMOTOR</title><description>PCT No. PCT/SU86/00008 Sec. 371 Date Sep. 1, 1987 Sec. 102(e) Date Sep. 1, 1987 PCT Filed Jan. 31, 1986 PCT Pub. No. WO87/04753 PCT Pub. Date Aug. 13, 1987.A rotor (1) of a screw hydraulic downhole motor, made as a hollow multiple-start screw featuring a substantially constant wall thickness. The ratio of the length of the rotor (1) cross-sectional outside contour to the length of the circumscribed circle of the contour is substantially within 0.9 and 1.05. When making the rotor (1) a forming element is inserted into a tubular blank, and a fluid pressure is applied to the outside blank surface. A device for making the rotor comprises a hollow housing accommodating a forming element installed on centering bushings. The bushings have fitting areas adapted for the ends of the tubular blank to fit thereon.</description><subject>BLASTING</subject><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>FIXED CONSTRUCTIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><subject>ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAhwC3L1dXf0cw_2dXR0cVXwd1dwDAhwDHIMUQjx9FEAyQYDGT6efkAJNwVXP4Ug_xD_ILAkkOPkH-TqEeoTHOwdFOrqC5LhYWBNS8wpTuWF0twMcm6uIc4euqkF-fGpxQWJyal5qSXxLt4m5mYGFuaOxgQVAABovS4C</recordid><startdate>19870911</startdate><enddate>19870911</enddate><creator>GOLDOBIN, VLADIMIR BORISOVICH</creator><creator>NIKOMAROV, SAMUIL SOLOMONOVICH</creator><creator>KOCHNEV, ANATOLY MIKHAILOVICH</creator><creator>VSHIVKOV, ANDREI NIKOLAEVICH</creator><scope>EVB</scope></search><sort><creationdate>19870911</creationdate><title>FREMGANGSMAADE OG APPARAT TIL FREMSTILLING AF EN ROTOR TIL EN BOREHULSSKRUEMOTOR</title><author>GOLDOBIN, VLADIMIR BORISOVICH ; NIKOMAROV, SAMUIL SOLOMONOVICH ; KOCHNEV, ANATOLY MIKHAILOVICH ; VSHIVKOV, ANDREI NIKOLAEVICH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DK476087A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>dan</language><creationdate>1987</creationdate><topic>BLASTING</topic><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>FIXED CONSTRUCTIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><topic>ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GOLDOBIN, VLADIMIR BORISOVICH</creatorcontrib><creatorcontrib>NIKOMAROV, SAMUIL SOLOMONOVICH</creatorcontrib><creatorcontrib>KOCHNEV, ANATOLY MIKHAILOVICH</creatorcontrib><creatorcontrib>VSHIVKOV, ANDREI NIKOLAEVICH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GOLDOBIN, VLADIMIR BORISOVICH</au><au>NIKOMAROV, SAMUIL SOLOMONOVICH</au><au>KOCHNEV, ANATOLY MIKHAILOVICH</au><au>VSHIVKOV, ANDREI NIKOLAEVICH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FREMGANGSMAADE OG APPARAT TIL FREMSTILLING AF EN ROTOR TIL EN BOREHULSSKRUEMOTOR</title><date>1987-09-11</date><risdate>1987</risdate><abstract>PCT No. PCT/SU86/00008 Sec. 371 Date Sep. 1, 1987 Sec. 102(e) Date Sep. 1, 1987 PCT Filed Jan. 31, 1986 PCT Pub. No. WO87/04753 PCT Pub. Date Aug. 13, 1987.A rotor (1) of a screw hydraulic downhole motor, made as a hollow multiple-start screw featuring a substantially constant wall thickness. The ratio of the length of the rotor (1) cross-sectional outside contour to the length of the circumscribed circle of the contour is substantially within 0.9 and 1.05. When making the rotor (1) a forming element is inserted into a tubular blank, and a fluid pressure is applied to the outside blank surface. A device for making the rotor comprises a hollow housing accommodating a forming element installed on centering bushings. The bushings have fitting areas adapted for the ends of the tubular blank to fit thereon.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINE PLANTS IN GENERAL FIXED CONSTRUCTIONS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES STEAM ENGINES WEAPONS |
| title | FREMGANGSMAADE OG APPARAT TIL FREMSTILLING AF EN ROTOR TIL EN BOREHULSSKRUEMOTOR |
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