High load transmission belt

A power transmission belt structure comprising:

• a flexible belt;
• a plurality of blocks secured to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means disposed between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure, said blocks defining side edge faces adapted to engage drive system pulleys, and said heat conducting means comprising a layer of thermally conductive material overlying all portions of said blocks other than said side edge faces.

A power transmission belt structure comprising:

• a flexible belt;
• a plurality of blocks secured to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means disposed between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure, said heat conducting means comprising a thin layer of thermally conductive material.

A power transmission belt structure comprising:

• a flexible belt;
• a plurality of blocks secured to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means disposed between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure, said heat conducting means comprising a fabric formed of thermally conductive material.

A power transmission belt structure comprising:

• a flexible belt;
• a plurality of blocks secured to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means disposed between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure, said heat conducting means comprising a powder formed of thermally conductive material.

A power transmission belt structure comprising:

• a flexible belt;
• a plurality of blocks secured to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means disposed between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure, said heat conducting means comprising a layer of thermally conductive material and a layer of synthetic resin covering said layer of thermally conductive material.

A power transmission belt structure comprising:

• a flexible belt;
• a plurality of blocks secured to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means disposed between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure, said heat conducting means comprising a layer of thermally conductive metal.

A power transmission belt structure comprising:

• a flexible belt;
• a plurality of blocks secured to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means extending about said blocks and being formed of a material having substantially greater thermal conductivity than that of said blocks, said heat conducting means including a portion between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure.

A power transmission structure comprising:

• a flexible belt;
• a plurality of blocks secured to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means extending about said blocks and including a portion between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure, said heat conducting means comprising an elongated metal wire wrapped about said block.

A power transmission belt structure comprising:

• a flexible belt;
• a plurality of blocks;
• securing means for securing said blocks to said flexible belt seriatim longitudinally thereof;
• and
• heat conducting means formed of a material having substantially greater thermal conductivity than that of said blocks and being disposed between said flexible belt and blocks for conducting away from the flexible belt heat generated as a result of power transmission operation of said belt structure, said securing means comprising means for clamping said heat conducting means against said flexible belt to have high thermal transfer association therewith.