Blade cap force modulation system for a drill bit

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United States of America Patent

PATENT NO 11499378
SERIAL NO

17100872

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The force modulation system for a drill bit includes a cutter, a blade cap, a cap retention device, and a first force member. The cutter or cutters fit in the blade cap, and the blade cap fits to the drill bit. The cap retention device exerts a cap retention force in a first direction. The first force member exerts a first force in a second direction. The cutting profile of the force modulation system is now variable in more than one direction so as to avoid excessive forces from more than one direction for each cutter on the blade cap. There can also be a second force member to exert a second force in the first direction for more variability of the cutting profile in the first direction and a third force member to exert a third force in an opposite second direction.

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Patent Owner(s)

  • CNPC USA CORPORATION; BEIJING HUAMEI INC. CNPC

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Chris Houston, US 18 30
Ke, Xiaohua Beijing, CN 2 0
Peng, Qi Beijing, CN 17 72
Yu, Jiaqing Houston, US 30 627
Zhang, Ming Houston, US 832 6708

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