EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE
PURPOSE:To prevent pollution of an adsorbent and the occurrence of thermal deterioration by branching a bypass passage, in which an adsorbent is located, from an exhaust gas passage situated downstream from a muffler, detecting the adsorbing condition of hydrocarbon from an engine operation state, a...
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| creator | SHIOYAMA GIICHI SAWAMOTO KUNIAKI |
| description | PURPOSE:To prevent pollution of an adsorbent and the occurrence of thermal deterioration by branching a bypass passage, in which an adsorbent is located, from an exhaust gas passage situated downstream from a muffler, detecting the adsorbing condition of hydrocarbon from an engine operation state, and switching the bypass passage and the exhaust gas passage based on the detected result. CONSTITUTION:Exhaust gas from an engine 1 is guided to a muffler 8 through exhaust gas pipes 7a and 7b in which three-dimensional catalysts 9a and 9b for purifying exhaust gas are located. A bypass passage 23 which is branched in a position, situated downward from a muffler 8, from an exhaust gas main passage 22 and in which an adsorbent 24 is located is provided. A switch valve 25 is arranged in a position situated upper stream from the adsorbent 24 and a purge passage 26 is located between the adsorbent 24 and the switching valve 25. HC eliminated from the adsorbent 24 is inputted to a position situated downstream from a throttle valve 3 through a purge passage 21. The operation state of an engine is decided by a control unit 10 by means of signals from various sensors to switch a switching valve 25 into a state to open the bypass passage 23. Performance of the adsorbent 24 is prevented from deterioration in a way that exhaust gas after removal of unburnt oil and carbon by means of the muffler 8 is caused to pass therethrough. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_JPH06101451A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>JPH06101451A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_JPH06101451A3</originalsourceid><addsrcrecordid>eNrjZLB2jfBwDA0OUXB3DFYICA3ydIv09HNXcHEN83R2VXDzD1Lw9AtxDfJz9FFw9vd1Aqr09PdTcPVz9_Rz5WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BHgZmhgaGJqaGjsbEqAEA8VIpjw</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE</title><source>esp@cenet</source><creator>SHIOYAMA GIICHI ; SAWAMOTO KUNIAKI</creator><creatorcontrib>SHIOYAMA GIICHI ; SAWAMOTO KUNIAKI</creatorcontrib><description>PURPOSE:To prevent pollution of an adsorbent and the occurrence of thermal deterioration by branching a bypass passage, in which an adsorbent is located, from an exhaust gas passage situated downstream from a muffler, detecting the adsorbing condition of hydrocarbon from an engine operation state, and switching the bypass passage and the exhaust gas passage based on the detected result. CONSTITUTION:Exhaust gas from an engine 1 is guided to a muffler 8 through exhaust gas pipes 7a and 7b in which three-dimensional catalysts 9a and 9b for purifying exhaust gas are located. A bypass passage 23 which is branched in a position, situated downward from a muffler 8, from an exhaust gas main passage 22 and in which an adsorbent 24 is located is provided. A switch valve 25 is arranged in a position situated upper stream from the adsorbent 24 and a purge passage 26 is located between the adsorbent 24 and the switching valve 25. HC eliminated from the adsorbent 24 is inputted to a position situated downstream from a throttle valve 3 through a purge passage 21. The operation state of an engine is decided by a control unit 10 by means of signals from various sensors to switch a switching valve 25 into a state to open the bypass passage 23. Performance of the adsorbent 24 is prevented from deterioration in a way that exhaust gas after removal of unburnt oil and carbon by means of the muffler 8 is caused to pass therethrough.</description><edition>5</edition><language>eng</language><subject>BLASTING ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; ENGINE PLANTS IN GENERAL ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; 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>1994</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=19940412&DB=EPODOC&CC=JP&NR=H06101451A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940412&DB=EPODOC&CC=JP&NR=H06101451A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIOYAMA GIICHI</creatorcontrib><creatorcontrib>SAWAMOTO KUNIAKI</creatorcontrib><title>EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE</title><description>PURPOSE:To prevent pollution of an adsorbent and the occurrence of thermal deterioration by branching a bypass passage, in which an adsorbent is located, from an exhaust gas passage situated downstream from a muffler, detecting the adsorbing condition of hydrocarbon from an engine operation state, and switching the bypass passage and the exhaust gas passage based on the detected result. CONSTITUTION:Exhaust gas from an engine 1 is guided to a muffler 8 through exhaust gas pipes 7a and 7b in which three-dimensional catalysts 9a and 9b for purifying exhaust gas are located. A bypass passage 23 which is branched in a position, situated downward from a muffler 8, from an exhaust gas main passage 22 and in which an adsorbent 24 is located is provided. A switch valve 25 is arranged in a position situated upper stream from the adsorbent 24 and a purge passage 26 is located between the adsorbent 24 and the switching valve 25. HC eliminated from the adsorbent 24 is inputted to a position situated downstream from a throttle valve 3 through a purge passage 21. The operation state of an engine is decided by a control unit 10 by means of signals from various sensors to switch a switching valve 25 into a state to open the bypass passage 23. Performance of the adsorbent 24 is prevented from deterioration in a way that exhaust gas after removal of unburnt oil and carbon by means of the muffler 8 is caused to pass therethrough.</description><subject>BLASTING</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES 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>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</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>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLB2jfBwDA0OUXB3DFYICA3ydIv09HNXcHEN83R2VXDzD1Lw9AtxDfJz9FFw9vd1Aqr09PdTcPVz9_Rz5WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BHgZmhgaGJqaGjsbEqAEA8VIpjw</recordid><startdate>19940412</startdate><enddate>19940412</enddate><creator>SHIOYAMA GIICHI</creator><creator>SAWAMOTO KUNIAKI</creator><scope>EVB</scope></search><sort><creationdate>19940412</creationdate><title>EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE</title><author>SHIOYAMA GIICHI ; SAWAMOTO KUNIAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH06101451A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1994</creationdate><topic>BLASTING</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES 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>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</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>SHIOYAMA GIICHI</creatorcontrib><creatorcontrib>SAWAMOTO KUNIAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHIOYAMA GIICHI</au><au>SAWAMOTO KUNIAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE</title><date>1994-04-12</date><risdate>1994</risdate><abstract>PURPOSE:To prevent pollution of an adsorbent and the occurrence of thermal deterioration by branching a bypass passage, in which an adsorbent is located, from an exhaust gas passage situated downstream from a muffler, detecting the adsorbing condition of hydrocarbon from an engine operation state, and switching the bypass passage and the exhaust gas passage based on the detected result. CONSTITUTION:Exhaust gas from an engine 1 is guided to a muffler 8 through exhaust gas pipes 7a and 7b in which three-dimensional catalysts 9a and 9b for purifying exhaust gas are located. A bypass passage 23 which is branched in a position, situated downward from a muffler 8, from an exhaust gas main passage 22 and in which an adsorbent 24 is located is provided. A switch valve 25 is arranged in a position situated upper stream from the adsorbent 24 and a purge passage 26 is located between the adsorbent 24 and the switching valve 25. HC eliminated from the adsorbent 24 is inputted to a position situated downstream from a throttle valve 3 through a purge passage 21. The operation state of an engine is decided by a control unit 10 by means of signals from various sensors to switch a switching valve 25 into a state to open the bypass passage 23. Performance of the adsorbent 24 is prevented from deterioration in a way that exhaust gas after removal of unburnt oil and carbon by means of the muffler 8 is caused to pass therethrough.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING 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 | EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE |
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