Variable v-belt drive

Variable v-belt drive

  • CN 101,956,798 B
  • Filed: 07/15/2010
  • Issued: 01/20/2016
  • Est. Priority Date: 07/15/2009
  • Status: Active Grant
First Claim
Patent Images

1. a variable v-belt drive, possesses:

  • a pair belt wheel and the band hung between described a pair belt wheel, the movable pulley that described a pair belt wheel has fixed pulley respectively and can leave at axle direction relative to this fixed pulley, engage,This variable v-belt drive is provided with the rotation state detecting device detecting belt wheel and rotate, and this rotation state detecting device has to be taken turns with the signal that described belt wheel rotates integrally and occur to take turns relative sensor with this signal, it is characterized in that,There is wheel and have the cylindrical part that the movement direction along described movable pulley extends in described signal, and the oil pressure with the hydraulic chamber by acting on described movable pulley is held on the clamping part between described movable pulley and the bottom of oil hydraulic cylinder,In this cylindrical part throughout all-round be provided with in the circumferential direction equally spaced configuration and the detected portion extended along described movement direction,Described cylindrical part is continuous via curved part between described clamping part.

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