Blade outer air seal cooling system
An improved blade outer air cooling system for aircraft jet engines is disclosed. An integrated substrate backplate, cooling impingement plate and manifold replaces a conventional substrate backplate supporting a seal surface. A cooling impingement plate is mounted on the back of the backplate and a...
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| creator | SIFFORD PERRY P KATY JEROME H |
| description | An improved blade outer air cooling system for aircraft jet engines is disclosed. An integrated substrate backplate, cooling impingement plate and manifold replaces a conventional substrate backplate supporting a seal surface. A cooling impingement plate is mounted on the back of the backplate and a manifold is mounted over the impingement plate. The combined seal surface and new substrate outer air seal assembly attaches to the engine case structure through flange hooks formed as part of the manifold. A support supports the manifold inside the case structure and includes an opening for cooling air to enter an inlet into the manifold. A metal seal ring is compressed between the manifold and the support. The backplate includes holes for exhausting or purging cooling air after impinging on the backplate. The backplate, impingement plate and manifold may be welded, brazed or otherwise united together. |
| format | Patent |
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An integrated substrate backplate, cooling impingement plate and manifold replaces a conventional substrate backplate supporting a seal surface. A cooling impingement plate is mounted on the back of the backplate and a manifold is mounted over the impingement plate. The combined seal surface and new substrate outer air seal assembly attaches to the engine case structure through flange hooks formed as part of the manifold. A support supports the manifold inside the case structure and includes an opening for cooling air to enter an inlet into the manifold. A metal seal ring is compressed between the manifold and the support. The backplate includes holes for exhausting or purging cooling air after impinging on the backplate. The backplate, impingement plate and manifold may be welded, brazed or otherwise united together.</description><language>eng</language><subject>BLASTING ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; ENGINE PLANTS IN GENERAL ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS ; INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES ; STEAM ENGINES ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; WEAPONS</subject><creationdate>1992</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=19920303&DB=EPODOC&CC=US&NR=5092735A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920303&DB=EPODOC&CC=US&NR=5092735A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SIFFORD; PERRY P</creatorcontrib><creatorcontrib>KATY; JEROME H</creatorcontrib><title>Blade outer air seal cooling system</title><description>An improved blade outer air cooling system for aircraft jet engines is disclosed. An integrated substrate backplate, cooling impingement plate and manifold replaces a conventional substrate backplate supporting a seal surface. A cooling impingement plate is mounted on the back of the backplate and a manifold is mounted over the impingement plate. The combined seal surface and new substrate outer air seal assembly attaches to the engine case structure through flange hooks formed as part of the manifold. A support supports the manifold inside the case structure and includes an opening for cooling air to enter an inlet into the manifold. A metal seal ring is compressed between the manifold and the support. The backplate includes holes for exhausting or purging cooling air after impinging on the backplate. The backplate, impingement plate and manifold may be welded, brazed or otherwise united together.</description><subject>BLASTING</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HEATING</subject><subject>INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS</subject><subject>INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</subject><subject>STEAM ENGINES</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB2yklMSVXILy1JLVJIzCxSKE5NzFFIzs_PycxLVyiuLC5JzeVhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfGhwaYGlkbmxqaOxoRVAAAy9CWK</recordid><startdate>19920303</startdate><enddate>19920303</enddate><creator>SIFFORD; PERRY P</creator><creator>KATY; JEROME H</creator><scope>EVB</scope></search><sort><creationdate>19920303</creationdate><title>Blade outer air seal cooling system</title><author>SIFFORD; PERRY P ; KATY; JEROME H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US5092735A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>BLASTING</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEATING</topic><topic>INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS</topic><topic>INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</topic><topic>STEAM ENGINES</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SIFFORD; PERRY P</creatorcontrib><creatorcontrib>KATY; JEROME H</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SIFFORD; PERRY P</au><au>KATY; JEROME H</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Blade outer air seal cooling system</title><date>1992-03-03</date><risdate>1992</risdate><abstract>An improved blade outer air cooling system for aircraft jet engines is disclosed. An integrated substrate backplate, cooling impingement plate and manifold replaces a conventional substrate backplate supporting a seal surface. A cooling impingement plate is mounted on the back of the backplate and a manifold is mounted over the impingement plate. The combined seal surface and new substrate outer air seal assembly attaches to the engine case structure through flange hooks formed as part of the manifold. A support supports the manifold inside the case structure and includes an opening for cooling air to enter an inlet into the manifold. A metal seal ring is compressed between the manifold and the support. The backplate includes holes for exhausting or purging cooling air after impinging on the backplate. The backplate, impingement plate and manifold may be welded, brazed or otherwise united together.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS |
| title | Blade outer air seal cooling system |
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