PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM
The present invention relates to a starter supplemental lubrication system (101) for a gas turbine engine (250). The starter supplemental lubrication system (101) includes a pneumatic starter (120) operable to drive rotation of a rotor shaft (259) of a gas turbine engine through an accessory gearbox...
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| creator | PECH, John T HARDER, Benjamin T |
| description | The present invention relates to a starter supplemental lubrication system (101) for a gas turbine engine (250). The starter supplemental lubrication system (101) includes a pneumatic starter (120) operable to drive rotation of a rotor shaft (259) of a gas turbine engine through an accessory gearbox (70). The pneumatic starter is configured to receive a primary lubricant flow at a first rotational speed range from a primary lubricant pump (402) and receive a supplemental lubricant flow at a second rotational speed range that is less than the first rotational speed range. The starter supplemental lubrication system for this purpose includes a supplemental lubricant pump (124) operable to supply the supplemental lubricant flow at the second rotational speed range. Thus, extended lower speed motoring of the starter can be performed without the risk of insufficient lubrication. |
| format | Patent |
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The starter supplemental lubrication system (101) includes a pneumatic starter (120) operable to drive rotation of a rotor shaft (259) of a gas turbine engine through an accessory gearbox (70). The pneumatic starter is configured to receive a primary lubricant flow at a first rotational speed range from a primary lubricant pump (402) and receive a supplemental lubricant flow at a second rotational speed range that is less than the first rotational speed range. The starter supplemental lubrication system for this purpose includes a supplemental lubricant pump (124) operable to supply the supplemental lubricant flow at the second rotational speed range. Thus, extended lower speed motoring of the starter can be performed without the risk of insufficient lubrication.</description><language>eng ; fre ; ger</language><subject>AIR INTAKES FOR JET-PROPULSION PLANTS ; BLASTING ; COMBUSTION ENGINES ; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ; ENGINE PLANTS IN GENERAL ; GAS-TURBINE PLANTS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES ; STEAM ENGINES ; WEAPONS</subject><creationdate>2020</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=20200909&DB=EPODOC&CC=EP&NR=3495630B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200909&DB=EPODOC&CC=EP&NR=3495630B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PECH, John T</creatorcontrib><creatorcontrib>HARDER, Benjamin T</creatorcontrib><title>PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM</title><description>The present invention relates to a starter supplemental lubrication system (101) for a gas turbine engine (250). The starter supplemental lubrication system (101) includes a pneumatic starter (120) operable to drive rotation of a rotor shaft (259) of a gas turbine engine through an accessory gearbox (70). The pneumatic starter is configured to receive a primary lubricant flow at a first rotational speed range from a primary lubricant pump (402) and receive a supplemental lubricant flow at a second rotational speed range that is less than the first rotational speed range. The starter supplemental lubrication system for this purpose includes a supplemental lubricant pump (124) operable to supply the supplemental lubricant flow at the second rotational speed range. Thus, extended lower speed motoring of the starter can be performed without the risk of insufficient lubrication.</description><subject>AIR INTAKES FOR JET-PROPULSION PLANTS</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-TURBINE PLANTS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAM8HMN9XUM8XRWCA5xDApxDVIIDg0I8HH1dfULcfRR8Al1CvJ0Bsr7-ykERwaHuPryMLCmJeYUp_JCaW4GBTfXEGcP3dSC_PjU4oLE5NS81JJ41wBjE0tTM2MDJ0NjIpQAAEowJsQ</recordid><startdate>20200909</startdate><enddate>20200909</enddate><creator>PECH, John T</creator><creator>HARDER, Benjamin T</creator><scope>EVB</scope></search><sort><creationdate>20200909</creationdate><title>PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM</title><author>PECH, John T ; HARDER, Benjamin T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3495630B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2020</creationdate><topic>AIR INTAKES FOR JET-PROPULSION PLANTS</topic><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-TURBINE PLANTS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>PECH, John T</creatorcontrib><creatorcontrib>HARDER, Benjamin T</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PECH, John T</au><au>HARDER, Benjamin T</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM</title><date>2020-09-09</date><risdate>2020</risdate><abstract>The present invention relates to a starter supplemental lubrication system (101) for a gas turbine engine (250). The starter supplemental lubrication system (101) includes a pneumatic starter (120) operable to drive rotation of a rotor shaft (259) of a gas turbine engine through an accessory gearbox (70). The pneumatic starter is configured to receive a primary lubricant flow at a first rotational speed range from a primary lubricant pump (402) and receive a supplemental lubricant flow at a second rotational speed range that is less than the first rotational speed range. The starter supplemental lubrication system for this purpose includes a supplemental lubricant pump (124) operable to supply the supplemental lubricant flow at the second rotational speed range. Thus, extended lower speed motoring of the starter can be performed without the risk of insufficient lubrication.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS |
| title | PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM |
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