English: A. L. POWELL ENGINE from Leigh Powell Alvah
Figure 1 is a vertical view, partly in cross section, of the engine;
Fig. 2 is a plan sectional view showing the location of the cylinders in dotted outline and of the crank case and one power trans mitting lever in full lines;
Fig. 3 is a diagram showing the firing Order of the cylinders;
Fig. 4 is a longitudinal view of the crank shaft.
Crank Case
inserts/plates
bifureated supports
bolt(s)
aligned apertures
pin
lever
piston
connection rod
water jacketed cylinder
crank shaft
cranks
bearings
bearings
bearings
extending portions of the crank case
extending portions of the crank case
extending portions of the crank case
bearing
upstanding portion extending from the bottom of the crank case
The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)
The original patent contains no such notice, so its contents are in the public domain.
Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.
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