Malfunction monitoring device and method for a multiple-port mixhead plunger
Malfunctions of plunger (15) in the mixhead (10) of a system for mixing a plurality of fluids such as polyol and isocyanate for the manufacture of polyurethane foam, which plunger induces variations in fluid pressures as the mixhead operates, are monitored by a method that includes the steps of meas...
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| creator | HLADIS ALAN |
| description | Malfunctions of plunger (15) in the mixhead (10) of a system for mixing a plurality of fluids such as polyol and isocyanate for the manufacture of polyurethane foam, which plunger induces variations in fluid pressures as the mixhead operates, are monitored by a method that includes the steps of measuring the upstream pressure of at least one fluid and generating a signal responsive thereto, and comparing the pressure responsive signal to a preselected pressure responsive signal and generating an alarm if the pressure responsive signal comparison falls outside preselected limits. A device for implementing such a method includes transducers (40, 41) for measuring the pressure of at least one fluid and generating a signal responsive thereto, an alarm (44) for generating a malfunction alarm, and a circuit (43) for receiving the pressure responsive signal and comparing the pressure responsive signal to a preselected pressure responsive signal and generating an alarm signal if the pressure responsive signal comparison falls outside preselected limits. |
| format | Patent |
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A device for implementing such a method includes transducers (40, 41) for measuring the pressure of at least one fluid and generating a signal responsive thereto, an alarm (44) for generating a malfunction alarm, and a circuit (43) for receiving the pressure responsive signal and comparing the pressure responsive signal to a preselected pressure responsive signal and generating an alarm signal if the pressure responsive signal comparison falls outside preselected limits.</description><edition>5</edition><language>eng</language><subject>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ; ATOMISING APPARATUS ; MAKING GRANULES OR PREFORMS ; NOZZLES ; PERFORMING OPERATIONS ; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED ; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS ; SPRAYING APPARATUS ; SPRAYING OR ATOMISING IN GENERAL ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>1993</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=19931116&DB=EPODOC&CC=US&NR=5261741A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19931116&DB=EPODOC&CC=US&NR=5261741A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HLADIS; ALAN</creatorcontrib><title>Malfunction monitoring device and method for a multiple-port mixhead plunger</title><description>Malfunctions of plunger (15) in the mixhead (10) of a system for mixing a plurality of fluids such as polyol and isocyanate for the manufacture of polyurethane foam, which plunger induces variations in fluid pressures as the mixhead operates, are monitored by a method that includes the steps of measuring the upstream pressure of at least one fluid and generating a signal responsive thereto, and comparing the pressure responsive signal to a preselected pressure responsive signal and generating an alarm if the pressure responsive signal comparison falls outside preselected limits. A device for implementing such a method includes transducers (40, 41) for measuring the pressure of at least one fluid and generating a signal responsive thereto, an alarm (44) for generating a malfunction alarm, and a circuit (43) for receiving the pressure responsive signal and comparing the pressure responsive signal to a preselected pressure responsive signal and generating an alarm signal if the pressure responsive signal comparison falls outside preselected limits.</description><subject>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL</subject><subject>ATOMISING APPARATUS</subject><subject>MAKING GRANULES OR PREFORMS</subject><subject>NOZZLES</subject><subject>PERFORMING OPERATIONS</subject><subject>PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED</subject><subject>RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS</subject><subject>SPRAYING APPARATUS</subject><subject>SPRAYING OR ATOMISING IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFyjsOwjAMANAsDAg4A75Ah_LrjBCIASZgrqzEaSMldpQ6iOOzsDO95c3N7Y7RV7YahCEJB5USeABH72AJkB0k0lEceCmAkGrUkCM1WYpCCp-R0EGOlQcqSzPzGCda_VyY9eX8PF0bytLTlNESk_avx35zaLtde9z-H1_8qTV-</recordid><startdate>19931116</startdate><enddate>19931116</enddate><creator>HLADIS; ALAN</creator><scope>EVB</scope></search><sort><creationdate>19931116</creationdate><title>Malfunction monitoring device and method for a multiple-port mixhead plunger</title><author>HLADIS; ALAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US5261741A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1993</creationdate><topic>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL</topic><topic>ATOMISING APPARATUS</topic><topic>MAKING GRANULES OR PREFORMS</topic><topic>NOZZLES</topic><topic>PERFORMING OPERATIONS</topic><topic>PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED</topic><topic>RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS</topic><topic>SPRAYING APPARATUS</topic><topic>SPRAYING OR ATOMISING IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>HLADIS; ALAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HLADIS; ALAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Malfunction monitoring device and method for a multiple-port mixhead plunger</title><date>1993-11-16</date><risdate>1993</risdate><abstract>Malfunctions of plunger (15) in the mixhead (10) of a system for mixing a plurality of fluids such as polyol and isocyanate for the manufacture of polyurethane foam, which plunger induces variations in fluid pressures as the mixhead operates, are monitored by a method that includes the steps of measuring the upstream pressure of at least one fluid and generating a signal responsive thereto, and comparing the pressure responsive signal to a preselected pressure responsive signal and generating an alarm if the pressure responsive signal comparison falls outside preselected limits. A device for implementing such a method includes transducers (40, 41) for measuring the pressure of at least one fluid and generating a signal responsive thereto, an alarm (44) for generating a malfunction alarm, and a circuit (43) for receiving the pressure responsive signal and comparing the pressure responsive signal to a preselected pressure responsive signal and generating an alarm signal if the pressure responsive signal comparison falls outside preselected limits.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS MAKING GRANULES OR PREFORMS NOZZLES PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Malfunction monitoring device and method for a multiple-port mixhead plunger |
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