NON-CONTACT TYPE SHAFT SEALING DEVICE

NON-CONTACT TYPE SHAFT SEALING DEVICE

A non-contact type shaft sealing device comprising a rotary sealing ring (2) provided on the rotary shaft (1) of equipment to be shaft-sealed and a fixed sealing ring (9) disposed to axially face the rotary sealing ring, wherein the number of air supply holes (9b) formed in the fixed sealing ring (9...

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1. Verfasser: FUSE, TOSHIHIKO
Format: Patent
Sprache:eng ; fre ; ger
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 FUSE, TOSHIHIKO
description A non-contact type shaft sealing device comprising a rotary sealing ring (2) provided on the rotary shaft (1) of equipment to be shaft-sealed and a fixed sealing ring (9) disposed to axially face the rotary sealing ring, wherein the number of air supply holes (9b) formed in the fixed sealing ring (9) is 3 to 24, the hole diameters (d) of throttle mechanisms each provided in each air supply hole (9b) are DIAMETER 0.05 to 3mm and a non-dimensional amount, alpha =8hD/nd , satisfies the relation, 1 ≤ alpha ≤ 200, where h: seal face gap D: shaft diameter, thereby ensuring a stable sealing property and minimizing the consumption of a barrier gas supplied through the air supply holes (9b).
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fre ; ger</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>2005</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&amp;date=20051221&amp;DB=EPODOC&amp;CC=EP&amp;NR=1103745A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20051221&amp;DB=EPODOC&amp;CC=EP&amp;NR=1103745A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUSE, TOSHIHIKO</creatorcontrib><title>NON-CONTACT TYPE SHAFT SEALING DEVICE</title><description>A non-contact type shaft sealing device comprising a rotary sealing ring (2) provided on the rotary shaft (1) of equipment to be shaft-sealed and a fixed sealing ring (9) disposed to axially face the rotary sealing ring, wherein the number of air supply holes (9b) formed in the fixed sealing ring (9) is 3 to 24, the hole diameters (d) of throttle mechanisms each provided in each air supply hole (9b) are DIAMETER 0.05 to 3mm and a non-dimensional amount, alpha =8hD/nd , satisfies the relation, 1 ≤ alpha ≤ 200, where h: seal face gap D: shaft diameter, thereby ensuring a stable sealing property and minimizing the consumption of a barrier gas supplied through the air supply holes (9b).</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>2005</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD18_fTdfb3C3F0DlEIiQxwVQj2cHQLUQh2dfTx9HNXcHEN83R25WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BhoYGxuYmpo4mxkQoAQBNxCKz</recordid><startdate>20051221</startdate><enddate>20051221</enddate><creator>FUSE, TOSHIHIKO</creator><scope>EVB</scope></search><sort><creationdate>20051221</creationdate><title>NON-CONTACT TYPE SHAFT SEALING DEVICE</title><author>FUSE, TOSHIHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1103745A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; 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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 NON-CONTACT TYPE SHAFT SEALING DEVICE
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