Patent US-1877-194841

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US-1877-194841 - fig1.png

Primarily a fan which sucks in air from the front and sends it out the back. (Thus classification as USPC 244/73.)

Secondarily, this propulsion system is envisioned on an aircraft or perhaps on a car suspended from a track, perhaps in conjunction with feathering blades which are turned along with the fan to supplement its propulsive force.

(Presumably these latter "feathering-blades, which are turned on their axis, as the fan is rotated, by a central cam" are the reason for classification under USPC 244/72, although someone could argue that these are not exactly "beating wings".)

Inventor location (imputed by HistPat): Henryville, TN, Lawrence county, TN (FIPSloc=47099)

Sources

  • Short's DB
  • PTO 244


Year filed 1877
Year granted 1877
Office US
Patent number 194841
Inventors James J. Pennington
Inventor country US
Applicant person
Applicant firm
Applicant type
Applicant is inventor? Yes
Original title Improvement in flying-machines
English title Flying-machines
Tech fields propulsion, LTA, track, propeller, hybrid
Filing date July 23, 1877
Full specification filed date
Application number
Grant date September 4, 1877
Granted? Yes
Publication date 1
Supplementary to patent
Related to aircraft? Yes
Serial number 1
Patent agent
Assigned to
National tech categories USPC 244/73R, USPC 244/72
IPCs
CPCs CPC B64C11/001
Family year 1877
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 45890236
INPADOC family ID
Number of text pages 1
Number of diagram pages 1
Number of figures 2
Number of claims 2