A flapper valve
A bimorph piezoelectric flapper element is mounted at one end in a valve casing so that it extends into a valve chamber as a cantilever. The flapper element tapers to the unsupported end on which a fluorosilicone blocking plate is mounted. An outlet port is formed by a tubular boss which projects in...
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| creator | PHILLIP RICHARD JACKSON |
| description | A bimorph piezoelectric flapper element is mounted at one end in a valve casing so that it extends into a valve chamber as a cantilever. The flapper element tapers to the unsupported end on which a fluorosilicone blocking plate is mounted. An outlet port is formed by a tubular boss which projects into the valve chamber and which tapers to a fine annular rim formed around a mouth of a bore at the tip of the boss. The blocking plate is normally held by the flapper element seated on the tip of the tubular boss to close the outlet port, the tip making an indentation in the fluorosilicone whereby to form a 'bite' seal. The blocking plate is unseated by the application of a low voltage to the bimorph piezoelectric element. The valve is suitable for hydraulic fluids and may be operated by optical power. |
| format | Patent |
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An outlet port is formed by a tubular boss which projects into the valve chamber and which tapers to a fine annular rim formed around a mouth of a bore at the tip of the boss. The blocking plate is normally held by the flapper element seated on the tip of the tubular boss to close the outlet port, the tip making an indentation in the fluorosilicone whereby to form a 'bite' seal. The blocking plate is unseated by the application of a low voltage to the bimorph piezoelectric element. The valve is suitable for hydraulic fluids and may be operated by optical power.</description><edition>6</edition><language>eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; CONTROLLING ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING ORCONTROL PURPOSES ; FLUID-PRESSURE ACTUATORS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; PHYSICS ; REGULATING ; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>1998</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=19980105&DB=EPODOC&CC=AU&NR=2969197A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980105&DB=EPODOC&CC=AU&NR=2969197A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PHILLIP RICHARD JACKSON</creatorcontrib><title>A flapper valve</title><description>A bimorph piezoelectric flapper element is mounted at one end in a valve casing so that it extends into a valve chamber as a cantilever. The flapper element tapers to the unsupported end on which a fluorosilicone blocking plate is mounted. An outlet port is formed by a tubular boss which projects into the valve chamber and which tapers to a fine annular rim formed around a mouth of a bore at the tip of the boss. The blocking plate is normally held by the flapper element seated on the tip of the tubular boss to close the outlet port, the tip making an indentation in the fluorosilicone whereby to form a 'bite' seal. The blocking plate is unseated by the application of a low voltage to the bimorph piezoelectric element. The valve is suitable for hydraulic fluids and may be operated by optical power.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>CONTROLLING</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING ORCONTROL PURPOSES</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>REGULATING</subject><subject>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB3VEjLSSwoSC1SKEvMKUvlYWBNS8wpTuWF0twM8m6uIc4euqkF-fGpxQWJyal5qSXxjqFGlmaWhpbmjsaEVQAA704d2w</recordid><startdate>19980105</startdate><enddate>19980105</enddate><creator>PHILLIP RICHARD JACKSON</creator><scope>EVB</scope></search><sort><creationdate>19980105</creationdate><title>A flapper valve</title><author>PHILLIP RICHARD JACKSON</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_AU2969197A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>CONTROLLING</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING ORCONTROL PURPOSES</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>REGULATING</topic><topic>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>PHILLIP RICHARD JACKSON</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PHILLIP RICHARD JACKSON</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>A flapper valve</title><date>1998-01-05</date><risdate>1998</risdate><abstract>A bimorph piezoelectric flapper element is mounted at one end in a valve casing so that it extends into a valve chamber as a cantilever. The flapper element tapers to the unsupported end on which a fluorosilicone blocking plate is mounted. An outlet port is formed by a tubular boss which projects into the valve chamber and which tapers to a fine annular rim formed around a mouth of a bore at the tip of the boss. The blocking plate is normally held by the flapper element seated on the tip of the tubular boss to close the outlet port, the tip making an indentation in the fluorosilicone whereby to form a 'bite' seal. The blocking plate is unseated by the application of a low voltage to the bimorph piezoelectric element. The valve is suitable for hydraulic fluids and may be operated by optical power.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ACTUATING-FLOATS BLASTING COCKS CONTROLLING DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING ORCONTROL PURPOSES FLUID-PRESSURE ACTUATORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | A flapper valve |
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