STOW LOCK PAWL FOR A RAT ACTUATOR
An actuator (24) for a ram air turbine system (10) includes a piston rod (42) that is cylindrical in shape and centered about a centerline (A), and stow lock pawls (48) supported by the piston rod (42) and able to move radially. Each of the stow lock pawls (48) has a crown (74) with a crown radius (...
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| creator | BANNON, David G |
| description | An actuator (24) for a ram air turbine system (10) includes a piston rod (42) that is cylindrical in shape and centered about a centerline (A), and stow lock pawls (48) supported by the piston rod (42) and able to move radially. Each of the stow lock pawls (48) has a crown (74) with a crown radius (r2). The actuator (24) further includes a lock bolt (52) extending along the centerline (A) radially within the piston rod (42) and configured to be axially movable within the piston rod (42) between a stowed position and a deployed position. The actuator (24) further includes rollers (57) radially outward from the centerline (A) configured to be guided by the lock bolt (52) and a cylinder (36) having a mating surface (68) with a mating radius (r2). The cylinder (36) is positioned radially outward from the piston rod (42) and configured to be axially movable between the stowed position and the deployed position. A ratio of the crown radius (r2) of the stow lock pawls (48) to the mating radius (r1) of the cylinder (36) is less than 0.98. |
| format | Patent |
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Each of the stow lock pawls (48) has a crown (74) with a crown radius (r2). The actuator (24) further includes a lock bolt (52) extending along the centerline (A) radially within the piston rod (42) and configured to be axially movable within the piston rod (42) between a stowed position and a deployed position. The actuator (24) further includes rollers (57) radially outward from the centerline (A) configured to be guided by the lock bolt (52) and a cylinder (36) having a mating surface (68) with a mating radius (r2). The cylinder (36) is positioned radially outward from the piston rod (42) and configured to be axially movable between the stowed position and the deployed position. A ratio of the crown radius (r2) of the stow lock pawls (48) to the mating radius (r1) of the cylinder (36) is less than 0.98.</description><language>eng ; fre ; ger</language><subject>AIRCRAFT ; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT ; AVIATION ; BLASTING ; COSMONAUTICS ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; EQUIPMENT FOR FITTING IN OR TO AIRCRAFT ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; FLYING SUITS ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; PARACHUTES ; PERFORMING OPERATIONS ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; TRANSPORTING ; WEAPONS</subject><creationdate>2021</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=20210407&DB=EPODOC&CC=EP&NR=2985472B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210407&DB=EPODOC&CC=EP&NR=2985472B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BANNON, David G</creatorcontrib><title>STOW LOCK PAWL FOR A RAT ACTUATOR</title><description>An actuator (24) for a ram air turbine system (10) includes a piston rod (42) that is cylindrical in shape and centered about a centerline (A), and stow lock pawls (48) supported by the piston rod (42) and able to move radially. Each of the stow lock pawls (48) has a crown (74) with a crown radius (r2). The actuator (24) further includes a lock bolt (52) extending along the centerline (A) radially within the piston rod (42) and configured to be axially movable within the piston rod (42) between a stowed position and a deployed position. The actuator (24) further includes rollers (57) radially outward from the centerline (A) configured to be guided by the lock bolt (52) and a cylinder (36) having a mating surface (68) with a mating radius (r2). The cylinder (36) is positioned radially outward from the piston rod (42) and configured to be axially movable between the stowed position and the deployed position. A ratio of the crown radius (r2) of the stow lock pawls (48) to the mating radius (r1) of the cylinder (36) is less than 0.98.</description><subject>AIRCRAFT</subject><subject>ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT</subject><subject>AVIATION</subject><subject>BLASTING</subject><subject>COSMONAUTICS</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>EQUIPMENT FOR FITTING IN OR TO AIRCRAFT</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>FLYING SUITS</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PARACHUTES</subject><subject>PERFORMING OPERATIONS</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAMDvEPV_Dxd_ZWCHAM91Fw8w9ScFQIcgxRcHQOCXUM8Q_iYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgFGlhamJuZGTobGRCgBALxUIZg</recordid><startdate>20210407</startdate><enddate>20210407</enddate><creator>BANNON, David G</creator><scope>EVB</scope></search><sort><creationdate>20210407</creationdate><title>STOW LOCK PAWL FOR A RAT ACTUATOR</title><author>BANNON, David G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2985472B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2021</creationdate><topic>AIRCRAFT</topic><topic>ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT</topic><topic>AVIATION</topic><topic>BLASTING</topic><topic>COSMONAUTICS</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>EQUIPMENT FOR FITTING IN OR TO AIRCRAFT</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>FLYING SUITS</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PARACHUTES</topic><topic>PERFORMING OPERATIONS</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>BANNON, David G</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BANNON, David G</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STOW LOCK PAWL FOR A RAT ACTUATOR</title><date>2021-04-07</date><risdate>2021</risdate><abstract>An actuator (24) for a ram air turbine system (10) includes a piston rod (42) that is cylindrical in shape and centered about a centerline (A), and stow lock pawls (48) supported by the piston rod (42) and able to move radially. Each of the stow lock pawls (48) has a crown (74) with a crown radius (r2). The actuator (24) further includes a lock bolt (52) extending along the centerline (A) radially within the piston rod (42) and configured to be axially movable within the piston rod (42) between a stowed position and a deployed position. The actuator (24) further includes rollers (57) radially outward from the centerline (A) configured to be guided by the lock bolt (52) and a cylinder (36) having a mating surface (68) with a mating radius (r2). The cylinder (36) is positioned radially outward from the piston rod (42) and configured to be axially movable between the stowed position and the deployed position. A ratio of the crown radius (r2) of the stow lock pawls (48) to the mating radius (r1) of the cylinder (36) is less than 0.98.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| source | esp@cenet |
| subjects | AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BLASTING COSMONAUTICS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FLYING SUITS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PARACHUTES PERFORMING OPERATIONS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS |
| title | STOW LOCK PAWL FOR A RAT ACTUATOR |
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