ESTIMATION OF CYLINDER CONDITIONS USING A KNOCK SENSOR
A reciprocating engine system includes a cylinder, a piston disposed within the cylinder, a knock sensor disposed proximate to the cylinder and configured to detect vibrations of the cylinder, piston, or both, a crankshaft sensor configured to sense a crank angle of a crankshaft, and a controller co...
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| creator | Prabhu, Rahul Srinivas Nagappa, Sharad D'Souza, Prashanth Klingbeil, Adam Edgar |
| description | A reciprocating engine system includes a cylinder, a piston disposed within the cylinder, a knock sensor disposed proximate to the cylinder and configured to detect vibrations of the cylinder, piston, or both, a crankshaft sensor configured to sense a crank angle of a crankshaft, and a controller communicatively coupled to the knock sensor and the crankshaft sensor. The controller is configured to receive a raw knock signal from the knock sensor and a crank angle signal from the crankshaft sensor corresponding to vibrations of the cylinder, piston, or both relative to the crank angle of the crankshaft, convert the raw knock signal into a digital value signal, and at least one of a crank angle for a start of combustion, a peak firing pressure, a percentage of fuel mass fraction burn, or a combination thereof, based on the digital value signal and the crank angle. |
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The controller is configured to receive a raw knock signal from the knock sensor and a crank angle signal from the crankshaft sensor corresponding to vibrations of the cylinder, piston, or both relative to the crank angle of the crankshaft, convert the raw knock signal into a digital value signal, and at least one of a crank angle for a start of combustion, a peak firing pressure, a percentage of fuel mass fraction burn, or a combination thereof, based on the digital value signal and the crank angle.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDBzDQ7x9HUM8fT3U_B3U3CO9PH0c3ENUnD293PxBIkGK4QGe_q5KzgqePv5O3srBLv6BfsH8TCwpiXmFKfyQmluBmU31xBnD93Ugvz41OKCxOTUvNSS-NBgIwNDS0MjCyMDA0dDY-JUAQC-PSjg</recordid><startdate>20190502</startdate><enddate>20190502</enddate><creator>Prabhu, Rahul Srinivas</creator><creator>Nagappa, Sharad</creator><creator>D'Souza, Prashanth</creator><creator>Klingbeil, Adam Edgar</creator><scope>EVB</scope></search><sort><creationdate>20190502</creationdate><title>ESTIMATION OF CYLINDER CONDITIONS USING A KNOCK SENSOR</title><author>Prabhu, Rahul Srinivas ; Nagappa, Sharad ; D'Souza, Prashanth ; Klingbeil, Adam Edgar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2019128200A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2019</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Prabhu, Rahul Srinivas</creatorcontrib><creatorcontrib>Nagappa, Sharad</creatorcontrib><creatorcontrib>D'Souza, Prashanth</creatorcontrib><creatorcontrib>Klingbeil, Adam Edgar</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Prabhu, Rahul Srinivas</au><au>Nagappa, Sharad</au><au>D'Souza, Prashanth</au><au>Klingbeil, Adam Edgar</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ESTIMATION OF CYLINDER CONDITIONS USING A KNOCK SENSOR</title><date>2019-05-02</date><risdate>2019</risdate><abstract>A reciprocating engine system includes a cylinder, a piston disposed within the cylinder, a knock sensor disposed proximate to the cylinder and configured to detect vibrations of the cylinder, piston, or both, a crankshaft sensor configured to sense a crank angle of a crankshaft, and a controller communicatively coupled to the knock sensor and the crankshaft sensor. 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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | ESTIMATION OF CYLINDER CONDITIONS USING A KNOCK SENSOR |
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