Impact tools and control modes
An impact power tool includes a housing, a motor, a controller, an output member configured to be rotated when the motor is energized, and an impact mechanism configured to rotationally drive the output member. The impact mechanism is configured to selectively apply rotational impacts to the output...
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| creator | Wadeson, Peter Hague Lin, Wing W Petrus, Tyler Friedman, Brian E Kunz, Eric Louis Villuri, BhanuPrakash |
| description | An impact power tool includes a housing, a motor, a controller, an output member configured to be rotated when the motor is energized, and an impact mechanism configured to rotationally drive the output member. The impact mechanism is configured to selectively apply rotational impacts to the output member when a torque on the output member exceeds a torque threshold. The controller is configured to control the motor during a first phase of operation with open loop control and a baseline conduction band and advance angle setting when a sensed tool operation parameter is one of above or below a threshold value. The controller is configured to control the motor during a second phase of operation with closed speed loop control and an increased conduction band and advance angle setting when the sensed tool operation parameter is the other of above or below the threshold value. |
| format | Patent |
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The impact mechanism is configured to selectively apply rotational impacts to the output member when a torque on the output member exceeds a torque threshold. The controller is configured to control the motor during a first phase of operation with open loop control and a baseline conduction band and advance angle setting when a sensed tool operation parameter is one of above or below a threshold value. The controller is configured to control the motor during a second phase of operation with closed speed loop control and an increased conduction band and advance angle setting when the sensed tool operation parameter is the other of above or below the threshold value.</description><language>eng</language><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; HAND TOOLS ; MANIPULATORS ; PERCUSSIVE TOOLS ; PERFORMING OPERATIONS ; PORTABLE POWER-DRIVEN TOOLS ; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING ; TRANSPORTING</subject><creationdate>2023</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=20231226&DB=EPODOC&CC=US&NR=11855567B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231226&DB=EPODOC&CC=US&NR=11855567B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Wadeson, Peter Hague</creatorcontrib><creatorcontrib>Lin, Wing W</creatorcontrib><creatorcontrib>Petrus, Tyler</creatorcontrib><creatorcontrib>Friedman, Brian E</creatorcontrib><creatorcontrib>Kunz, Eric Louis</creatorcontrib><creatorcontrib>Villuri, BhanuPrakash</creatorcontrib><title>Impact tools and control modes</title><description>An impact power tool includes a housing, a motor, a controller, an output member configured to be rotated when the motor is energized, and an impact mechanism configured to rotationally drive the output member. The impact mechanism is configured to selectively apply rotational impacts to the output member when a torque on the output member exceeds a torque threshold. The controller is configured to control the motor during a first phase of operation with open loop control and a baseline conduction band and advance angle setting when a sensed tool operation parameter is one of above or below a threshold value. The controller is configured to control the motor during a second phase of operation with closed speed loop control and an increased conduction band and advance angle setting when the sensed tool operation parameter is the other of above or below the threshold value.</description><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>HAND TOOLS</subject><subject>MANIPULATORS</subject><subject>PERCUSSIVE TOOLS</subject><subject>PERFORMING OPERATIONS</subject><subject>PORTABLE POWER-DRIVEN TOOLS</subject><subject>TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJDzzC1ITC5RKMnPzylWSMxLUUjOzyspys9RyM1PSS3mYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxUCtqXmpJfGhwYaGFqampmbmTkbGxKgBAPKKJKA</recordid><startdate>20231226</startdate><enddate>20231226</enddate><creator>Wadeson, Peter Hague</creator><creator>Lin, Wing W</creator><creator>Petrus, Tyler</creator><creator>Friedman, Brian E</creator><creator>Kunz, Eric Louis</creator><creator>Villuri, BhanuPrakash</creator><scope>EVB</scope></search><sort><creationdate>20231226</creationdate><title>Impact tools and control modes</title><author>Wadeson, Peter Hague ; Lin, Wing W ; Petrus, Tyler ; Friedman, Brian E ; Kunz, Eric Louis ; Villuri, BhanuPrakash</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11855567B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2023</creationdate><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>HAND TOOLS</topic><topic>MANIPULATORS</topic><topic>PERCUSSIVE TOOLS</topic><topic>PERFORMING OPERATIONS</topic><topic>PORTABLE POWER-DRIVEN TOOLS</topic><topic>TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>Wadeson, Peter Hague</creatorcontrib><creatorcontrib>Lin, Wing W</creatorcontrib><creatorcontrib>Petrus, Tyler</creatorcontrib><creatorcontrib>Friedman, Brian E</creatorcontrib><creatorcontrib>Kunz, Eric Louis</creatorcontrib><creatorcontrib>Villuri, BhanuPrakash</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Wadeson, Peter Hague</au><au>Lin, Wing W</au><au>Petrus, Tyler</au><au>Friedman, Brian E</au><au>Kunz, Eric Louis</au><au>Villuri, BhanuPrakash</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Impact tools and control modes</title><date>2023-12-26</date><risdate>2023</risdate><abstract>An impact power tool includes a housing, a motor, a controller, an output member configured to be rotated when the motor is energized, and an impact mechanism configured to rotationally drive the output member. The impact mechanism is configured to selectively apply rotational impacts to the output member when a torque on the output member exceeds a torque threshold. The controller is configured to control the motor during a first phase of operation with open loop control and a baseline conduction band and advance angle setting when a sensed tool operation parameter is one of above or below a threshold value. The controller is configured to control the motor during a second phase of operation with closed speed loop control and an increased conduction band and advance angle setting when the sensed tool operation parameter is the other of above or below the threshold value.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HAND TOOLS MANIPULATORS PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING |
| title | Impact tools and control modes |
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