Invention Grant
US08716968B2 Low cost blender control permitting low actuation force switches 有权
低成本的搅拌机控制允许低致动力开关

  • Patent Title: Low cost blender control permitting low actuation force switches
  • Patent Title (中): 低成本的搅拌机控制允许低致动力开关
  • Application No.: US13142310
    Application Date: 2009-12-09
  • Publication No.: US08716968B2
    Publication Date: 2014-05-06
  • Inventor: Eric K. LarsonAndy W. Tucker
  • Applicant: Eric K. LarsonAndy W. Tucker
  • Applicant Address: US IL Glenview
  • Assignee: Illinois Tool Works Inc.
  • Current Assignee: Illinois Tool Works Inc.
  • Current Assignee Address: US IL Glenview
  • Agent Mark W. Croll; Paul F. Donovan
  • International Application: PCT/US2009/067262 WO 20091209
  • International Announcement: WO2010/080310 WO 20100715
  • Main IPC: H02P6/14
  • IPC: H02P6/14
Low cost blender control permitting low actuation force switches
Abstract:
A control circuit for a blender provides low-cost power conditioning through the use of a high resistance which provides temporary power for operation of low-voltage logic circuitry and low-voltage switches for a time sufficient to switch the motor on, and a lower resistance which provides sufficient power for maintaining the motor on state indefinitely as instructed by the low-voltage logic circuitry. Low average power dissipation is provided by powering the low-voltage logic circuitry and low-voltage switches using the high resistance in a standby mode and switching in the lower resistance only when the motor is activated.
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