Variable valve actuation apparatus of internal combustion engine
In a variable valve actuation apparatus with a speed reducer between a timing sprocket and a camshaft for changing a phase of the camshaft relative to the sprocket, while reducing normal-rotation/reverse-rotation of an electric motor, the speed reducer includes an eccentric rotation member connected...
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| creator | YAMANAKA ATSUSHI KAWADA SHINICHI TADOKORO RYO |
| description | In a variable valve actuation apparatus with a speed reducer between a timing sprocket and a camshaft for changing a phase of the camshaft relative to the sprocket, while reducing normal-rotation/reverse-rotation of an electric motor, the speed reducer includes an eccentric rotation member connected to an output shaft of the motor, an annular member connected to the sprocket, a plurality of rollers installed between an inner toothed portion of the annular member and an outer peripheral surface of the eccentric rotation member, and a cage connected to the camshaft for circumferentially partitioning the respective rollers, while permitting a radial displacement of each roller. Depending on a dimension of a clearance space between the eccentric rotation member and the annular member, a suitable one of a plurality of roller sets, each having a different outside diameter, is selected, and then the selected rollers are installed. |
| format | Patent |
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Depending on a dimension of a clearance space between the eccentric rotation member and the annular member, a suitable one of a plurality of roller sets, each having a different outside diameter, is selected, and then the selected rollers are installed.</description><subject>BLASTING</subject><subject>CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAISyzKTEzKSVUoS8wpS1VITC4pTSzJzM9TSCwoSCxKLCktVshPU8jMK0ktykvMUUjOz00qLQYrSM1Lz8xL5WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8aHBFpaW5uYGpk5GxkQoAQCt5DG7</recordid><startdate>20150407</startdate><enddate>20150407</enddate><creator>YAMANAKA ATSUSHI</creator><creator>KAWADA SHINICHI</creator><creator>TADOKORO RYO</creator><scope>EVB</scope></search><sort><creationdate>20150407</creationdate><title>Variable valve actuation apparatus of internal combustion engine</title><author>YAMANAKA ATSUSHI ; KAWADA SHINICHI ; TADOKORO RYO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US8997705B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>BLASTING</topic><topic>CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAMANAKA ATSUSHI</creatorcontrib><creatorcontrib>KAWADA SHINICHI</creatorcontrib><creatorcontrib>TADOKORO RYO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAMANAKA ATSUSHI</au><au>KAWADA SHINICHI</au><au>TADOKORO RYO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Variable valve actuation apparatus of internal combustion engine</title><date>2015-04-07</date><risdate>2015</risdate><abstract>In a variable valve actuation apparatus with a speed reducer between a timing sprocket and a camshaft for changing a phase of the camshaft relative to the sprocket, while reducing normal-rotation/reverse-rotation of an electric motor, the speed reducer includes an eccentric rotation member connected to an output shaft of the motor, an annular member connected to the sprocket, a plurality of rollers installed between an inner toothed portion of the annular member and an outer peripheral surface of the eccentric rotation member, and a cage connected to the camshaft for circumferentially partitioning the respective rollers, while permitting a radial displacement of each roller. 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| subjects | BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | Variable valve actuation apparatus of internal combustion engine |
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