Assembly comprising a shaft seal

The invention relates to a shaft seal (SS), which comprises more than one sealing module (SM), at least one fluid supply (FF) and a fluid discharge (EX), comprising a primary seal (MS1) which is subject to the greatest partial pressure difference (???). Conventional shaft seals of said type usually...

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1. Verfasser:	GRIESHABER DIRK
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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creator	GRIESHABER DIRK
description	The invention relates to a shaft seal (SS), which comprises more than one sealing module (SM), at least one fluid supply (FF) and a fluid discharge (EX), comprising a primary seal (MS1) which is subject to the greatest partial pressure difference (???). Conventional shaft seals of said type usually require significant amounts of additional sealing fluid (SF) in order to ensure suitable pressure gradients. The invention provides a solution by designing the second primary seal (MS2) as a radial double seal (RDS), which is determined by two gas seals (DGS), each having a rotating sealing surface (RSS) and a stationary sealing surface (SSS), which sealing surface pairs (SSP) are located opposite each other in a sealing plane (SEP), wherein the two sealing planes have a substantially radial extension to the shaft (S).
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Conventional shaft seals of said type usually require significant amounts of additional sealing fluid (SF) in order to ensure suitable pressure gradients. The invention provides a solution by designing the second primary seal (MS2) as a radial double seal (RDS), which is determined by two gas seals (DGS), each having a rotating sealing surface (RSS) and a stationary sealing surface (SSS), which sealing surface pairs (SSP) are located opposite each other in a sealing plane (SEP), wherein the two sealing planes have a substantially radial extension to the shaft (S).</description><language>chi ; eng</language><subject>BLASTING ; CYLINDERS ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; PISTONS ; SEALINGS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2013</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=20130109&DB=EPODOC&CC=CN&NR=102869907A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130109&DB=EPODOC&CC=CN&NR=102869907A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GRIESHABER DIRK</creatorcontrib><title>Assembly comprising a shaft seal</title><description>The invention relates to a shaft seal (SS), which comprises more than one sealing module (SM), at least one fluid supply (FF) and a fluid discharge (EX), comprising a primary seal (MS1) which is subject to the greatest partial pressure difference (???). Conventional shaft seals of said type usually require significant amounts of additional sealing fluid (SF) in order to ensure suitable pressure gradients. The invention provides a solution by designing the second primary seal (MS2) as a radial double seal (RDS), which is determined by two gas seals (DGS), each having a rotating sealing surface (RSS) and a stationary sealing surface (SSS), which sealing surface pairs (SSP) are located opposite each other in a sealing plane (SEP), wherein the two sealing planes have a substantially radial extension to the shaft (S).</description><subject>BLASTING</subject><subject>CYLINDERS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PISTONS</subject><subject>SEALINGS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBwLC5OzU3KqVRIzs8tKMoszsxLV0hUKM5ITCtRKE5NzOFhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfHOfoYGRhZmlpYG5o7GxKgBAEtAJTI</recordid><startdate>20130109</startdate><enddate>20130109</enddate><creator>GRIESHABER DIRK</creator><scope>EVB</scope></search><sort><creationdate>20130109</creationdate><title>Assembly comprising a shaft seal</title><author>GRIESHABER DIRK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN102869907A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2013</creationdate><topic>BLASTING</topic><topic>CYLINDERS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PISTONS</topic><topic>SEALINGS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GRIESHABER DIRK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GRIESHABER DIRK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Assembly comprising a shaft seal</title><date>2013-01-09</date><risdate>2013</risdate><abstract>The invention relates to a shaft seal (SS), which comprises more than one sealing module (SM), at least one fluid supply (FF) and a fluid discharge (EX), comprising a primary seal (MS1) which is subject to the greatest partial pressure difference (???). Conventional shaft seals of said type usually require significant amounts of additional sealing fluid (SF) in order to ensure suitable pressure gradients. The invention provides a solution by designing the second primary seal (MS2) as a radial double seal (RDS), which is determined by two gas seals (DGS), each having a rotating sealing surface (RSS) and a stationary sealing surface (SSS), which sealing surface pairs (SSP) are located opposite each other in a sealing plane (SEP), wherein the two sealing planes have a substantially radial extension to the shaft (S).</abstract><oa>free_for_read</oa></addata></record>
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language	chi ; eng
recordid	cdi_epo_espacenet_CN102869907A
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subjects	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
title	Assembly comprising a shaft seal
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