Direct drive type volume control variable-pitch system of wind-driven generator
The invention provides a direct drive type volume control variable-pitch system of a wind-driven generator which relates to the technical field of a blower variable-pitch system in order to solve the technical problems that the feathering response speed is ensured and the cost is reduced at the same...
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| creator | WAN BAOZHONG |
| description | The invention provides a direct drive type volume control variable-pitch system of a wind-driven generator which relates to the technical field of a blower variable-pitch system in order to solve the technical problems that the feathering response speed is ensured and the cost is reduced at the same time. The variable-pitch system comprises an energy storage loop and a pitch blade pump control loop, wherein the energy storage loop comprises a liquid-control safety valve, an energy storage pump motor, an energy storage pump, an oil storage accumulator, a high-pressure accumulator and a quick closing magnetic valve; the pitch blade pump control loop comprises a servomotor, a variable-pitch oil cylinder, a two-way pump and five liquid-control one-way valves; the variable-pitch oil cylinder is used for driving the pitch variation of pitch blades of the wind-driven generator, and the servomotor is used for controlling the operation of the variable-pitch oil cylinder by the two-way pump, thereby controlling the nor |
| format | Patent |
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The variable-pitch system comprises an energy storage loop and a pitch blade pump control loop, wherein the energy storage loop comprises a liquid-control safety valve, an energy storage pump motor, an energy storage pump, an oil storage accumulator, a high-pressure accumulator and a quick closing magnetic valve; the pitch blade pump control loop comprises a servomotor, a variable-pitch oil cylinder, a two-way pump and five liquid-control one-way valves; the variable-pitch oil cylinder is used for driving the pitch variation of pitch blades of the wind-driven generator, and the servomotor is used for controlling the operation of the variable-pitch oil cylinder by the two-way pump, thereby controlling the nor</description><language>chi ; eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MACHINES OR ENGINES FOR LIQUIDS ; MECHANICAL ENGINEERING ; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ; PRODUCING MECHANICAL POWER ; WEAPONS ; WIND MOTORS ; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><creationdate>2010</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=20100825&DB=EPODOC&CC=CN&NR=101813066A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100825&DB=EPODOC&CC=CN&NR=101813066A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WAN BAOZHONG</creatorcontrib><title>Direct drive type volume control variable-pitch system of wind-driven generator</title><description>The invention provides a direct drive type volume control variable-pitch system of a wind-driven generator which relates to the technical field of a blower variable-pitch system in order to solve the technical problems that the feathering response speed is ensured and the cost is reduced at the same time. The variable-pitch system comprises an energy storage loop and a pitch blade pump control loop, wherein the energy storage loop comprises a liquid-control safety valve, an energy storage pump motor, an energy storage pump, an oil storage accumulator, a high-pressure accumulator and a quick closing magnetic valve; the pitch blade pump control loop comprises a servomotor, a variable-pitch oil cylinder, a two-way pump and five liquid-control one-way valves; the variable-pitch oil cylinder is used for driving the pitch variation of pitch blades of the wind-driven generator, and the servomotor is used for controlling the operation of the variable-pitch oil cylinder by the two-way pump, thereby controlling the nor</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES FOR LIQUIDS</subject><subject>MECHANICAL ENGINEERING</subject><subject>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</subject><subject>PRODUCING MECHANICAL POWER</subject><subject>WEAPONS</subject><subject>WIND MOTORS</subject><subject>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNy7EKwjAQgOEsDqK-w_kAgYZCcZWqOOniXmJ6tYE0Fy5npG-viA_g9C_fv1TXg2d0Aj37giBzQigUnhOCoyhMAYplb-8BdfLiRshzFpyABnj52OvvF-GBEdkK8VotBhsybn5dqe3peGvPGhN1mJN1HyldezGV2Zm6app9_Y95A4b8N00</recordid><startdate>20100825</startdate><enddate>20100825</enddate><creator>WAN BAOZHONG</creator><scope>EVB</scope></search><sort><creationdate>20100825</creationdate><title>Direct drive type volume control variable-pitch system of wind-driven generator</title><author>WAN BAOZHONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN101813066A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2010</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES FOR LIQUIDS</topic><topic>MECHANICAL ENGINEERING</topic><topic>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</topic><topic>PRODUCING MECHANICAL POWER</topic><topic>WEAPONS</topic><topic>WIND MOTORS</topic><topic>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>WAN BAOZHONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WAN BAOZHONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Direct drive type volume control variable-pitch system of wind-driven generator</title><date>2010-08-25</date><risdate>2010</risdate><abstract>The invention provides a direct drive type volume control variable-pitch system of a wind-driven generator which relates to the technical field of a blower variable-pitch system in order to solve the technical problems that the feathering response speed is ensured and the cost is reduced at the same time. The variable-pitch system comprises an energy storage loop and a pitch blade pump control loop, wherein the energy storage loop comprises a liquid-control safety valve, an energy storage pump motor, an energy storage pump, an oil storage accumulator, a high-pressure accumulator and a quick closing magnetic valve; the pitch blade pump control loop comprises a servomotor, a variable-pitch oil cylinder, a two-way pump and five liquid-control one-way valves; the variable-pitch oil cylinder is used for driving the pitch variation of pitch blades of the wind-driven generator, and the servomotor is used for controlling the operation of the variable-pitch oil cylinder by the two-way pump, thereby controlling the nor</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS |
| title | Direct drive type volume control variable-pitch system of wind-driven generator |
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