Hermetic compressor
A hermetic compressor capable of preventing malfunction due to impurities trapped between contact portions of a crankshaft and a crankshaft supporting frame when the crankshaft rotates in a hollow portion of the frame. The hermetic compressor comprises the frame having the hollow portion, the cranks...
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| creator | LEE SUNG RO |
| description | A hermetic compressor capable of preventing malfunction due to impurities trapped between contact portions of a crankshaft and a crankshaft supporting frame when the crankshaft rotates in a hollow portion of the frame. The hermetic compressor comprises the frame having the hollow portion, the crankshaft rotatably inserted in the hollow portion, a balance weight provided at one end of the crankshaft, and a thrust portion formed at the frame to support the crankshaft. An impurities discharge passage is formed at an outer circumferential surface of the crankshaft that comes into frictional contact with the thrust portion of the frame to guide impurities, mixed with the oil, out of the crankshaft. Correspondingly, a plurality of discharge guiding grooves is formed at the thrust portion of the frame to guide the oil and the impurities, having passed through the impurities discharge passage of the crankshaft, out of the thrust portion. |
| format | Patent |
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The hermetic compressor comprises the frame having the hollow portion, the crankshaft rotatably inserted in the hollow portion, a balance weight provided at one end of the crankshaft, and a thrust portion formed at the frame to support the crankshaft. An impurities discharge passage is formed at an outer circumferential surface of the crankshaft that comes into frictional contact with the thrust portion of the frame to guide impurities, mixed with the oil, out of the crankshaft. Correspondingly, a plurality of discharge guiding grooves is formed at the thrust portion of the frame to guide the oil and the impurities, having passed through the impurities discharge passage of the crankshaft, out of the thrust portion.</description><language>eng</language><subject>BLASTING ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; STEAM ENGINES ; WEAPONS</subject><creationdate>2007</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=20070605&DB=EPODOC&CC=US&NR=7225724B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070605&DB=EPODOC&CC=US&NR=7225724B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEE SUNG RO</creatorcontrib><title>Hermetic compressor</title><description>A hermetic compressor capable of preventing malfunction due to impurities trapped between contact portions of a crankshaft and a crankshaft supporting frame when the crankshaft rotates in a hollow portion of the frame. The hermetic compressor comprises the frame having the hollow portion, the crankshaft rotatably inserted in the hollow portion, a balance weight provided at one end of the crankshaft, and a thrust portion formed at the frame to support the crankshaft. An impurities discharge passage is formed at an outer circumferential surface of the crankshaft that comes into frictional contact with the thrust portion of the frame to guide impurities, mixed with the oil, out of the crankshaft. Correspondingly, a plurality of discharge guiding grooves is formed at the thrust portion of the frame to guide the oil and the impurities, having passed through the impurities discharge passage of the crankshaft, out of the thrust portion.</description><subject>BLASTING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD2SC3KTS3JTFZIzs8tKEotLs4v4mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8aHB5kZGpuZGJk5GxkQoAQD_nSBk</recordid><startdate>20070605</startdate><enddate>20070605</enddate><creator>LEE SUNG RO</creator><scope>EVB</scope></search><sort><creationdate>20070605</creationdate><title>Hermetic compressor</title><author>LEE SUNG RO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7225724B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2007</creationdate><topic>BLASTING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>LEE SUNG RO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LEE SUNG RO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hermetic compressor</title><date>2007-06-05</date><risdate>2007</risdate><abstract>A hermetic compressor capable of preventing malfunction due to impurities trapped between contact portions of a crankshaft and a crankshaft supporting frame when the crankshaft rotates in a hollow portion of the frame. The hermetic compressor comprises the frame having the hollow portion, the crankshaft rotatably inserted in the hollow portion, a balance weight provided at one end of the crankshaft, and a thrust portion formed at the frame to support the crankshaft. An impurities discharge passage is formed at an outer circumferential surface of the crankshaft that comes into frictional contact with the thrust portion of the frame to guide impurities, mixed with the oil, out of the crankshaft. Correspondingly, a plurality of discharge guiding grooves is formed at the thrust portion of the frame to guide the oil and the impurities, having passed through the impurities discharge passage of the crankshaft, out of the thrust portion.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US7225724B2 |
| source | esp@cenet |
| subjects | BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES WEAPONS |
| title | Hermetic compressor |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-08T06%3A25%3A26IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=LEE%20SUNG%20RO&rft.date=2007-06-05&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS7225724B2%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |