Guide-rail brake
A guide-rail brake of an elevator and a method for controlling the brake are provided. The brake comprises a frame part fixed to the elevator car, a prong part, which contains turning jaws that correspond to the guide rail via the braking surfaces when braking, a spring loading the prong part to pre...
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| creator | Syrman, Timo Torttila, Tomi |
| description | A guide-rail brake of an elevator and a method for controlling the brake are provided. The brake comprises a frame part fixed to the elevator car, a prong part, which contains turning jaws that correspond to the guide rail via the braking surfaces when braking, a spring loading the prong part to press the braking surfaces to the guide rail, and a controllable mover, which is an electromagnet, which contains two pulling core pieces. The force effect of the electromagnet on the prong part is opposed to the spring. In the guide-rail brake an air gap (ag) is structurally arranged between the center parts of the pulling core pieces of the electromagnet of the guide-rail brake when the brake is fully energized, and a damping circuit is arranged in the coil of the electromagnet of the guide-rail brake to speed up operation of the guide-rail brake. |
| format | Patent |
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The brake comprises a frame part fixed to the elevator car, a prong part, which contains turning jaws that correspond to the guide rail via the braking surfaces when braking, a spring loading the prong part to press the braking surfaces to the guide rail, and a controllable mover, which is an electromagnet, which contains two pulling core pieces. The force effect of the electromagnet on the prong part is opposed to the spring. In the guide-rail brake an air gap (ag) is structurally arranged between the center parts of the pulling core pieces of the electromagnet of the guide-rail brake when the brake is fully energized, and a damping circuit is arranged in the coil of the electromagnet of the guide-rail brake to speed up operation of the guide-rail brake.</description><language>eng</language><creationdate>2011</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7896139$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,776,798,881,64012</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7896139$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Syrman, Timo</creatorcontrib><creatorcontrib>Torttila, Tomi</creatorcontrib><creatorcontrib>Kone Corporation</creatorcontrib><title>Guide-rail brake</title><description>A guide-rail brake of an elevator and a method for controlling the brake are provided. The brake comprises a frame part fixed to the elevator car, a prong part, which contains turning jaws that correspond to the guide rail via the braking surfaces when braking, a spring loading the prong part to press the braking surfaces to the guide rail, and a controllable mover, which is an electromagnet, which contains two pulling core pieces. The force effect of the electromagnet on the prong part is opposed to the spring. In the guide-rail brake an air gap (ag) is structurally arranged between the center parts of the pulling core pieces of the electromagnet of the guide-rail brake when the brake is fully energized, and a damping circuit is arranged in the coil of the electromagnet of the guide-rail brake to speed up operation of the guide-rail brake.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZBBwL81MSdUtSszMUUgqSsxO5WFgTUvMKU7lhdLcDApuriHOHrqlxQWJJal5JcXx6UWJIMrA3MLSzNDY0pgIJQB56x_j</recordid><startdate>20110301</startdate><enddate>20110301</enddate><creator>Syrman, Timo</creator><creator>Torttila, Tomi</creator><scope>EFH</scope></search><sort><creationdate>20110301</creationdate><title>Guide-rail brake</title><author>Syrman, Timo ; Torttila, Tomi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_078961393</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Syrman, Timo</creatorcontrib><creatorcontrib>Torttila, Tomi</creatorcontrib><creatorcontrib>Kone Corporation</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Syrman, Timo</au><au>Torttila, Tomi</au><aucorp>Kone Corporation</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Guide-rail brake</title><date>2011-03-01</date><risdate>2011</risdate><abstract>A guide-rail brake of an elevator and a method for controlling the brake are provided. The brake comprises a frame part fixed to the elevator car, a prong part, which contains turning jaws that correspond to the guide rail via the braking surfaces when braking, a spring loading the prong part to press the braking surfaces to the guide rail, and a controllable mover, which is an electromagnet, which contains two pulling core pieces. The force effect of the electromagnet on the prong part is opposed to the spring. In the guide-rail brake an air gap (ag) is structurally arranged between the center parts of the pulling core pieces of the electromagnet of the guide-rail brake when the brake is fully energized, and a damping circuit is arranged in the coil of the electromagnet of the guide-rail brake to speed up operation of the guide-rail brake.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_uspatents_grants_07896139 |
| source | USPTO Issued Patents |
| title | Guide-rail brake |
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