Engine shut-off system

Engine shut-off system

An improved engine shut-off system is provided in which the likelihood of a safe failure is maximized and the likehood of an unsafe failure is minimized. Both terminals of the engine's first safety stop switch are connected in the ignition circuit so that if either wire leading to a stop switch...

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Hauptverfasser: THARMAN, PAUL A
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES
LIGHTING
MECHANICAL ENGINEERING
TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
WEAPONS
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creator THARMAN
PAUL A
description An improved engine shut-off system is provided in which the likelihood of a safe failure is maximized and the likehood of an unsafe failure is minimized. Both terminals of the engine's first safety stop switch are connected in the ignition circuit so that if either wire leading to a stop switch terminal is grounded or breaks, a fail-safe condition exists. A first terminal of the first stop switch is connected in circuit to the main coil's primary winding, and the second terminal is connected in circuit to either the control switch means or the trigger coil. An optional second stop switch may be used in conjection with the first stop switch. The optional second stop switch may be a seat switch.
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Both terminals of the engine's first safety stop switch are connected in the ignition circuit so that if either wire leading to a stop switch terminal is grounded or breaks, a fail-safe condition exists. A first terminal of the first stop switch is connected in circuit to the main coil's primary winding, and the second terminal is connected in circuit to either the control switch means or the trigger coil. An optional second stop switch may be used in conjection with the first stop switch. The optional second stop switch may be a seat switch.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES ; LIGHTING ; MECHANICAL ENGINEERING ; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES ; WEAPONS</subject><creationdate>1990</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=19901120&amp;DB=EPODOC&amp;CC=US&amp;NR=4971001A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19901120&amp;DB=EPODOC&amp;CC=US&amp;NR=4971001A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>THARMAN; PAUL A</creatorcontrib><title>Engine shut-off system</title><description>An improved engine shut-off system is provided in which the likelihood of a safe failure is maximized and the likehood of an unsafe failure is minimized. Both terminals of the engine's first safety stop switch are connected in the ignition circuit so that if either wire leading to a stop switch terminal is grounded or breaks, a fail-safe condition exists. A first terminal of the first stop switch is connected in circuit to the main coil's primary winding, and the second terminal is connected in circuit to either the control switch means or the trigger coil. An optional second stop switch may be used in conjection with the first stop switch. The optional second stop switch may be a seat switch.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBBzzUvPzEtVKM4oLdHNT0tTKK4sLknN5WFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8aHBJpbmhgYGho7GhFUAABkUILo</recordid><startdate>19901120</startdate><enddate>19901120</enddate><creator>THARMAN; PAUL A</creator><scope>EVB</scope></search><sort><creationdate>19901120</creationdate><title>Engine shut-off system</title><author>THARMAN; PAUL A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4971001A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>THARMAN; PAUL A</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>THARMAN; PAUL A</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Engine shut-off system</title><date>1990-11-20</date><risdate>1990</risdate><abstract>An improved engine shut-off system is provided in which the likelihood of a safe failure is maximized and the likehood of an unsafe failure is minimized. Both terminals of the engine's first safety stop switch are connected in the ignition circuit so that if either wire leading to a stop switch terminal is grounded or breaks, a fail-safe condition exists. A first terminal of the first stop switch is connected in circuit to the main coil's primary winding, and the second terminal is connected in circuit to either the control switch means or the trigger coil. An optional second stop switch may be used in conjection with the first stop switch. The optional second stop switch may be a seat switch.</abstract><oa>free_for_read</oa></addata></record>
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subjects BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES
LIGHTING
MECHANICAL ENGINEERING
TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
WEAPONS
title Engine shut-off system
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