RELIEF UNLOAD VALVE

PURPOSE:To perform both functions of a relief valve and an unload valve by guiding the fluid pressure of the pressure passage to the end face of a piston and providing a pilot passage separating a regulating valve plug from a valve seat. CONSTITUTION:A pilot passage 100 communicated to both through...

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1. Verfasser:	SHIMADA NAOTAKE
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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creator	SHIMADA NAOTAKE
description	PURPOSE:To perform both functions of a relief valve and an unload valve by guiding the fluid pressure of the pressure passage to the end face of a piston and providing a pilot passage separating a regulating valve plug from a valve seat. CONSTITUTION:A pilot passage 100 communicated to both through holes 77, 89 is provided on a main body 61 between the through hole 77 of a poppet 62 and the through hole 89 of a sleeve 86. The outlet 66 of a pressure passage 67 and the piston 97 of the sleeve 86 are communicated by the pilot passage 100, the fluid pressure of the pressure passage 67 is applied to the piston 97, and a regulating bar 63 is separated from a valve seat 78. Accordingly, when the peak pressure moves the regulating bar 63 upward, a tank passage 71 is communicated to a tank port 68, thus this valve can perform both functions of a relief valve and an unload valve with a simple structure.
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CONSTITUTION:A pilot passage 100 communicated to both through holes 77, 89 is provided on a main body 61 between the through hole 77 of a poppet 62 and the through hole 89 of a sleeve 86. The outlet 66 of a pressure passage 67 and the piston 97 of the sleeve 86 are communicated by the pilot passage 100, the fluid pressure of the pressure passage 67 is applied to the piston 97, and a regulating bar 63 is separated from a valve seat 78. Accordingly, when the peak pressure moves the regulating bar 63 upward, a tank passage 71 is communicated to a tank port 68, thus this valve can perform both functions of a relief valve and an unload valve with a simple structure.</description><language>eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>1988</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=19880326&DB=EPODOC&CC=JP&NR=S6367473A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19880326&DB=EPODOC&CC=JP&NR=S6367473A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIMADA NAOTAKE</creatorcontrib><title>RELIEF UNLOAD VALVE</title><description>PURPOSE:To perform both functions of a relief valve and an unload valve by guiding the fluid pressure of the pressure passage to the end face of a piston and providing a pilot passage separating a regulating valve plug from a valve seat. CONSTITUTION:A pilot passage 100 communicated to both through holes 77, 89 is provided on a main body 61 between the through hole 77 of a poppet 62 and the through hole 89 of a sleeve 86. The outlet 66 of a pressure passage 67 and the piston 97 of the sleeve 86 are communicated by the pilot passage 100, the fluid pressure of the pressure passage 67 is applied to the piston 97, and a regulating bar 63 is separated from a valve seat 78. Accordingly, when the peak pressure moves the regulating bar 63 upward, a tank passage 71 is communicated to a tank port 68, thus this valve can perform both functions of a relief valve and an unload valve with a simple structure.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</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>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1988</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAOcvXxdHVTCPXz8Xd0UQhz9Alz5WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8V4BwWbGZuYm5saOxkQoAQAgoh4w</recordid><startdate>19880326</startdate><enddate>19880326</enddate><creator>SHIMADA NAOTAKE</creator><scope>EVB</scope></search><sort><creationdate>19880326</creationdate><title>RELIEF UNLOAD VALVE</title><author>SHIMADA NAOTAKE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS6367473A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1988</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</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>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SHIMADA NAOTAKE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHIMADA NAOTAKE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>RELIEF UNLOAD VALVE</title><date>1988-03-26</date><risdate>1988</risdate><abstract>PURPOSE:To perform both functions of a relief valve and an unload valve by guiding the fluid pressure of the pressure passage to the end face of a piston and providing a pilot passage separating a regulating valve plug from a valve seat. CONSTITUTION:A pilot passage 100 communicated to both through holes 77, 89 is provided on a main body 61 between the through hole 77 of a poppet 62 and the through hole 89 of a sleeve 86. The outlet 66 of a pressure passage 67 and the piston 97 of the sleeve 86 are communicated by the pilot passage 100, the fluid pressure of the pressure passage 67 is applied to the piston 97, and a regulating bar 63 is separated from a valve seat 78. Accordingly, when the peak pressure moves the regulating bar 63 upward, a tank passage 71 is communicated to a tank port 68, thus this valve can perform both functions of a relief valve and an unload valve with a simple structure.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
title	RELIEF UNLOAD VALVE
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