Classification Bulletin of the United States Patent Office; Containing the Classification of Subjects of Invention ... Volume 18-19; Nos. 21-39

Classification Bulletin of the United States Patent Office; Containing the Classification of Subjects of Invention ... Volume 18-19; Nos. 21-39

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 edition. Excerpt: ...AXIS, WHEEL l)F.FLE('TIO. MECH.-.'ISM. FOLDl;'G WHEEL AND TAIL VANE, DOUBLE FOLDING TAIL VANE. Motors such as indicated in the title in which the tail vane is composed of divergent portions that fold under excessive wind pressure and by suita le connections effect thereby the folding of the wheel and tail vane toward parallel planes. the purpose of cficcting their adjustment. Sucn governor vane may be mounted upon any portion of the supporting structure or it may be mounted upon and rotate with the wind wheel; in the latter case it is either acted upon directly by the pressure of the operating fluid current or aflcctcd by the resistance due to the rotation of the vane in the air. Note-.--Motors in which the adjustment of the blades is effected solely by the pressure of the wind upon the blades themselves are not classi ed in this subclass. ut in subclass 69, 'Jind motors. Rotarv, Parallel axis, Adjustable blades, versely pivoted, or other subclasses thereunder, according to the special features involved. 74. WIND MOTORS, ROTARY. PARALLEL AXIS. ADJUSTABLE BLADES, TRANSVERSELY PIVOTED, CENTRII'U(AL COVER NOR. Motors such as indicated in the title including centrifugal governing means for etiecting the adjustment 0 the blades. Note.--Motors in which the only centrifugal governing feature consists in the marmer of hanging or pivoting the blades, whereby they may have some tendency to efiect centrifugally their own adpistment, are not classified in this subclass, but in subclass 69, Vind motors, Rotary, Parallel axis, Adjustable blades. Transversely pivoted, or other subclasses thereunder, according to the special features involved. 5. TROLLING DEVICES. Motors of the parallel axis type not otherwise classifiable. including...show more

Product details

  • Paperback | 264 pages
  • 189 x 246 x 14mm | 476g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236799267
  • 9781236799265