RAILROAD CAR BUMPER
A rail car buffer (10) includes a tubular plunger (16) with a contact head (18) and a tubular base (14) with a base plate (26) over which the plunger (16) is slidable. A ring spring (30) in an interior chamber (24) of the buffer (10) biases the plunger (16) away from the base (14) and is collapsible...
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| creator | HUGGINS RUSSELL J |
| description | A rail car buffer (10) includes a tubular plunger (16) with a contact head (18) and a tubular base (14) with a base plate (26) over which the plunger (16) is slidable. A ring spring (30) in an interior chamber (24) of the buffer (10) biases the plunger (16) away from the base (14) and is collapsible in parallel with a hydraulic spring (28) comprising an outer cylinder (40) and an inner pressure cylinder (42) therein having flow control apertures (68) in its wall and a return flow aperture (70) adjacent the base plate (26). During buffer collapse, a piston (44) connected to the head (18) by a piston rod (52) forces fluid in the pressure cylinder (42) through the flow control apertures (68) into an annular reservoir (64) between the cylinders (40, 42) and through return apertures (66) into a chamber in front of the piston (44). An air pocket in the reservoir (64) becomes compressed as this occurs. |
| format | Patent |
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A ring spring (30) in an interior chamber (24) of the buffer (10) biases the plunger (16) away from the base (14) and is collapsible in parallel with a hydraulic spring (28) comprising an outer cylinder (40) and an inner pressure cylinder (42) therein having flow control apertures (68) in its wall and a return flow aperture (70) adjacent the base plate (26). During buffer collapse, a piston (44) connected to the head (18) by a piston rod (52) forces fluid in the pressure cylinder (42) through the flow control apertures (68) into an annular reservoir (64) between the cylinders (40, 42) and through return apertures (66) into a chamber in front of the piston (44). An air pocket in the reservoir (64) becomes compressed as this occurs.</description><edition>6</edition><language>eng</language><subject>BLASTING ; COUPLINGS ; DRAUGHT AND BUFFING APPLIANCES ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MEANS FOR DAMPING VIBRATION ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; RAILWAYS ; SHOCK-ABSORBERS ; SPRINGS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS</subject><creationdate>1999</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=19990816&DB=EPODOC&CC=PL&NR=331143A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990816&DB=EPODOC&CC=PL&NR=331143A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUGGINS RUSSELL J</creatorcontrib><title>RAILROAD CAR BUMPER</title><description>A rail car buffer (10) includes a tubular plunger (16) with a contact head (18) and a tubular base (14) with a base plate (26) over which the plunger (16) is slidable. A ring spring (30) in an interior chamber (24) of the buffer (10) biases the plunger (16) away from the base (14) and is collapsible in parallel with a hydraulic spring (28) comprising an outer cylinder (40) and an inner pressure cylinder (42) therein having flow control apertures (68) in its wall and a return flow aperture (70) adjacent the base plate (26). During buffer collapse, a piston (44) connected to the head (18) by a piston rod (52) forces fluid in the pressure cylinder (42) through the flow control apertures (68) into an annular reservoir (64) between the cylinders (40, 42) and through return apertures (66) into a chamber in front of the piston (44). An air pocket in the reservoir (64) becomes compressed as this occurs.</description><subject>BLASTING</subject><subject>COUPLINGS</subject><subject>DRAUGHT AND BUFFING APPLIANCES</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MEANS FOR DAMPING VIBRATION</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>RAILWAYS</subject><subject>SHOCK-ABSORBERS</subject><subject>SPRINGS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAOcvT0CfJ3dFFwdgxScAr1DXAN4mFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8QE-xsaGhibGjobGhFUAANqhHVs</recordid><startdate>19990816</startdate><enddate>19990816</enddate><creator>HUGGINS RUSSELL J</creator><scope>EVB</scope></search><sort><creationdate>19990816</creationdate><title>RAILROAD CAR BUMPER</title><author>HUGGINS RUSSELL J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_PL331143A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>BLASTING</topic><topic>COUPLINGS</topic><topic>DRAUGHT AND BUFFING APPLIANCES</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MEANS FOR DAMPING VIBRATION</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>RAILWAYS</topic><topic>SHOCK-ABSORBERS</topic><topic>SPRINGS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HUGGINS RUSSELL J</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HUGGINS RUSSELL J</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>RAILROAD CAR BUMPER</title><date>1999-08-16</date><risdate>1999</risdate><abstract>A rail car buffer (10) includes a tubular plunger (16) with a contact head (18) and a tubular base (14) with a base plate (26) over which the plunger (16) is slidable. A ring spring (30) in an interior chamber (24) of the buffer (10) biases the plunger (16) away from the base (14) and is collapsible in parallel with a hydraulic spring (28) comprising an outer cylinder (40) and an inner pressure cylinder (42) therein having flow control apertures (68) in its wall and a return flow aperture (70) adjacent the base plate (26). During buffer collapse, a piston (44) connected to the head (18) by a piston rod (52) forces fluid in the pressure cylinder (42) through the flow control apertures (68) into an annular reservoir (64) between the cylinders (40, 42) and through return apertures (66) into a chamber in front of the piston (44). An air pocket in the reservoir (64) becomes compressed as this occurs.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_PL331143A1 |
| source | esp@cenet |
| subjects | BLASTING COUPLINGS DRAUGHT AND BUFFING APPLIANCES ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS RAILWAYS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS |
| title | RAILROAD CAR BUMPER |
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