Low oil warning circuit
An ignition powered indicator system for detecting and audibly alerting an operator of a low oil condition associated with an internal combustion engine for apparatus such as a lawn mower, pump, generator, tractor and the like. The indicator system includes a low oil switch mounted on the engine cra...
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| creator | THARMAN PAUL A |
| description | An ignition powered indicator system for detecting and audibly alerting an operator of a low oil condition associated with an internal combustion engine for apparatus such as a lawn mower, pump, generator, tractor and the like. The indicator system includes a low oil switch mounted on the engine crankcase housing and connected in circuit with a buzzer, diode, and capacitor with the ignition primary. When the oil level is too low, the switch closes shorting the ignition primary to shut off the engine and produce an intermittent beeping sound, namely, one beep per ignition pulse, alerting the operator of the low oil condition. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US4684917A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US4684917A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US4684917A3</originalsourceid><addsrcrecordid>eNrjZBD3yS9XyM_MUShPLMrLzEtXSM4sSi7NLOFhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfGhwSZmFiaWhuaOxoRVAABAkCE1</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Low oil warning circuit</title><source>esp@cenet</source><creator>THARMAN; PAUL A</creator><creatorcontrib>THARMAN; PAUL A</creatorcontrib><description>An ignition powered indicator system for detecting and audibly alerting an operator of a low oil condition associated with an internal combustion engine for apparatus such as a lawn mower, pump, generator, tractor and the like. The indicator system includes a low oil switch mounted on the engine crankcase housing and connected in circuit with a buzzer, diode, and capacitor with the ignition primary. When the oil level is too low, the switch closes shorting the ignition primary to shut off the engine and produce an intermittent beeping sound, namely, one beep per ignition pulse, alerting the operator of the low oil condition.</description><edition>4</edition><language>eng</language><subject>BLASTING ; CRANKCASE VENTILATING ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; LUBRICATING INTERNAL COMBUSTION ENGINES ; LUBRICATING OF MACHINES OR ENGINES IN GENERAL ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; STEAM ENGINES ; TRANSPORTING ; VEHICLES IN GENERAL ; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR ; WEAPONS</subject><creationdate>1987</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=19870804&DB=EPODOC&CC=US&NR=4684917A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870804&DB=EPODOC&CC=US&NR=4684917A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>THARMAN; PAUL A</creatorcontrib><title>Low oil warning circuit</title><description>An ignition powered indicator system for detecting and audibly alerting an operator of a low oil condition associated with an internal combustion engine for apparatus such as a lawn mower, pump, generator, tractor and the like. The indicator system includes a low oil switch mounted on the engine crankcase housing and connected in circuit with a buzzer, diode, and capacitor with the ignition primary. When the oil level is too low, the switch closes shorting the ignition primary to shut off the engine and produce an intermittent beeping sound, namely, one beep per ignition pulse, alerting the operator of the low oil condition.</description><subject>BLASTING</subject><subject>CRANKCASE VENTILATING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>LUBRICATING INTERNAL COMBUSTION ENGINES</subject><subject>LUBRICATING OF MACHINES OR ENGINES IN GENERAL</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>STEAM ENGINES</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><subject>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD3yS9XyM_MUShPLMrLzEtXSM4sSi7NLOFhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfGhwSZmFiaWhuaOxoRVAABAkCE1</recordid><startdate>19870804</startdate><enddate>19870804</enddate><creator>THARMAN; PAUL A</creator><scope>EVB</scope></search><sort><creationdate>19870804</creationdate><title>Low oil warning circuit</title><author>THARMAN; PAUL A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4684917A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1987</creationdate><topic>BLASTING</topic><topic>CRANKCASE VENTILATING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>LUBRICATING INTERNAL COMBUSTION ENGINES</topic><topic>LUBRICATING OF MACHINES OR ENGINES IN GENERAL</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>STEAM ENGINES</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><topic>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</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>Low oil warning circuit</title><date>1987-08-04</date><risdate>1987</risdate><abstract>An ignition powered indicator system for detecting and audibly alerting an operator of a low oil condition associated with an internal combustion engine for apparatus such as a lawn mower, pump, generator, tractor and the like. The indicator system includes a low oil switch mounted on the engine crankcase housing and connected in circuit with a buzzer, diode, and capacitor with the ignition primary. When the oil level is too low, the switch closes shorting the ignition primary to shut off the engine and produce an intermittent beeping sound, namely, one beep per ignition pulse, alerting the operator of the low oil condition.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS STEAM ENGINES TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WEAPONS |
| title | Low oil warning circuit |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-29T05%3A41%3A10IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=THARMAN;%20PAUL%20A&rft.date=1987-08-04&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS4684917A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |