US71153A - Improved propeller - Google Patents

Improved propeller Download PDF

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Publication number
US71153A
US71153A US71153DA US71153A US 71153 A US71153 A US 71153A US 71153D A US71153D A US 71153DA US 71153 A US71153 A US 71153A
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Prior art keywords
wheel
casing
wheels
improved propeller
propeller
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/16Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/40Use of a multiplicity of similar components

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  • Figure 2 a horizontal section or side view of the samet I construct my wheel of wood or other suitablemateral, from four to five feet in diameter, set in and covered above'by a casing of wrought iron of from twothirds to three-fourths of the diameter of the wheel, in height, constructed so as to give the wheel su'icient play. From one-eighth to one-fourth of the wheel F, I make solid, or boxed of wood or iron.
  • This solid or boicd portion of the wheel when passing through the cylinder or covering, creates a vacuum, causes the water tobe thrown or forced back of the buckets in a straight line, and prevents the iow of back-water, so common to wheels of the ordinary construction, accelerates the motion of the wheel, and saves much of the propelling power required from the engine.
  • the boxing er wheel-house covering the casing I construct of wood, sloped or curved, so as to present as little resistance to the' water as possible.
  • I set the shaft of the wheels from six inches to one foot from thewaterJine.
  • Wheels constructed upon this principle require less power to drive them, and consequently great speed is obtained in the application of the ordinary power, and may be Set at the sides or stern of the vessel.
  • a propeller for vessels consisting of a wheel, F, having from three-fourths to scven-eighths of its circumference bucketed, and the balance solid or boxed, set in a casing of sheet iron, covered by a wheel-house, in combination with a weighted driving-wheel D, working upon a crank-axle, C, connected with propeller shafts E E by means of the links orarms D D ⁇ constructed and arranged as above described and shown by the drawings.

Description

@einer tetes @anni ffice.
WILLIAMyFIELDS, OF WILMINGTON, DELAWARE. Letters raam No. 71,153, dated Nambe 19, 18er.
' turnover PROPBLLER.
titte celgeeetle eeieeeet itv ist etere tettees rtent eme nettime met at tte time.
Be it known that I, WILLIAM FIELDS, of the city of Wilmington, in the State of Delaware, have invented a new and improved Mode of Propelling:r Ships; and I do hereby declare that .the following' is a. full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specification, in which-- Figure I is a transverse section of the vessel, showing the propellers with their connecting-wheels and other machinery, forming in combination the improvement claimed, and
Figure 2 a horizontal section or side view of the samet I construct my wheel of wood or other suitablemateral, from four to five feet in diameter, set in and covered above'by a casing of wrought iron of from twothirds to three-fourths of the diameter of the wheel, in height, constructed so as to give the wheel su'icient play. From one-eighth to one-fourth of the wheel F, I make solid, or boxed of wood or iron. This solid or boicd portion of the wheel, when passing through the cylinder or covering, creates a vacuum, causes the water tobe thrown or forced back of the buckets in a straight line, and prevents the iow of back-water, so common to wheels of the ordinary construction, accelerates the motion of the wheel, and saves much of the propelling power required from the engine. The boxing er wheel-house covering the casing I construct of wood, sloped or curved, so as to present as little resistance to the' water as possible. I set stuHng-boxes to the shaft, on the outside and inside of the casing, so' as to prevent thc air passing into the'casing.
I set the shaft of the wheels from six inches to one foot from thewaterJine. I place a weighted wheel, B, upon a shaft or crank-axle, C, connecting this with the whcelfsbaits E by means of the levers or arms D D, This wheel is for the purpose of increasing the driving-power.
Wheels constructed upon this principle require less power to drive them, and consequently great speed is obtained in the application of the ordinary power, and may be Set at the sides or stern of the vessel.
I am aware that weighted wheels have long been used in machinery, as well as stuffing boxes, crank-axles, Btc. I do not claim these as my invention.
What I claim as my invention, and desire to secure by Letters Patent, is-
A propeller for vessels consisting of a wheel, F, having from three-fourths to scven-eighths of its circumference bucketed, and the balance solid or boxed, set in a casing of sheet iron, covered by a wheel-house, in combination with a weighted driving-wheel D, working upon a crank-axle, C, connected with propeller shafts E E by means of the links orarms D D` constructed and arranged as above described and shown by the drawings.
WILLIAM FIELDS.
Witnesses:-
WM. B. WIGGIN-s, JAMES MOORE,
US71153D Improved propeller Expired - Lifetime US71153A (en)

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