US38724A - Improved hydraulic propeller - Google Patents

Improved hydraulic propeller Download PDF


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US38724A US38724DA US38724A US 38724 A US38724 A US 38724A US 38724D A US38724D A US 38724DA US 38724 A US38724 A US 38724A
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improved hydraulic
hydraulic propeller
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    • B63H11/00Effecting propulsion by jets, i.e. reaction principle


2 SheetsSheet 1.


No. 38,724. Patented June 2, 1863.

THE NDRMS PETERS coy. FHOTO-LITHQ. wuumuon. v. c.

2 Sheets- Sheet 2.



No. 38,724. Patented June Z, 1863.




Specification forming part of Letters Patent No. 38,724, dated June 2, 1863.

To all iohom it may concern Be it known that I, JosEPH B. BOOTH, of

Portsmouth, in the county of Norfolk, in the- State of Virginia, have invented a how, improved, and useful propeller of vessels; and I do hereby declare that the following is a full and exact description thereof, reference bein g had to the accompanying drawings, and to the letters of reference marked thereon.

The nature. and superiority of my invention consistin its being the legitimate deductions of the laws of nature. It has been advocated by mechanics that the greatest speed that can be achieved by mechanical propulsion in water is fromtwenty (20) to twenty-five (25) miles per hour. I am satisfied, from natural history. that the speed of several fishes is as high as one hundred (100) miles per hour, and the adoption of the principles of animated nature 1 can propel a vessel from thirty (30) to sixty (60) miles .per hour.

Another superiority of my improvement consists in the fact that it is to be placed in the interior of the vessel and below the waterline, and that it can be placed either in a horizontal, in a diagonal, or in an upright position, and that I can get any length of stroke desirable, which has been so much claimed 7 by engineers as being advantageous to sidewheel steamers.

Another superior ity of my improvement is.

that I have placed the cranks at the four points of a circle, by which I obviate the difficulty of what is called by mechanics the dead-points? in a crank. I

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction.

Figure l is a perspective specially exhibitin g the'stern of the vessel and the outer end of the cylinders s s s' 8. Fig. 2 is a top view. Fig. 3 is a detail of the connecting-rod and piston. Fig. 4c is a sectional view through or on A and B.

a'is the steam engine or cylinder; b, the connecting-rod from the engine to the crankshaft c; c, the crank-shaft, on the outer ends of which are placed spur-wheels d d;' d d,

spur-wheels placed on the outer ends of the crank-shaft c, and are connected with and work into ,pinions; g g, the pinions, one-half the diameter of the spur-wheels; e c, plumbblocks, in or on which is placed the crankshaft o, and by which it is supported and in which it works; e e,-plumb-blocks for intermediate shafts, ff; f, Fig. 4, intermediate shafts, on the ends of which are placed disks h h h h, (the shafts seen only'in Fig. 4,f;) gg, two pinions, one-halfv the diameter of the spur-wheels d (I, placed on the intermediate shafts, f f, and made to work into'the two spurwheels; h h h h, disks placed on the ends of the intermediate shafts, ff; k k m m,cranks on the disks h h h h, on which are placed con-' necting: rods It'll n 'n n a, attached to the pistonso 0 0 0, the cranks in m twice the length 'of k k, so .as to' take on the rods a a; a n n" n a n, six connecting-rods, four of which are connected with the propelling-cylinders p p p p, and two, a. n, are connected with cylinders for backing the vessel 12' p. The connectingrods are putintoand out of working position by means of a lever in the usual way. Four cylinders, p p p p, are for propelling the vessel forward, and two of the cylinders, p p, are for backing the vessel, and are placed in the vessel, oppositeto those in the stern, as seen in, the drawings and indicated by the letters of reference marked thereon.

I do not confinemyself to any specific num ber of cylinders.

What I claim as my invention, and desire to secure by Letters Patent, i's' The construction and combinationiof the cylinders and pistons, thecrank shaft, and the intermediate shaft, and the pinions and cranks, substantially as and for the purpose specified.

In witness that I claim the foregoing I have hereunto set my hand in the presence of two witnesses.


Witnesses v J. D. WILLOUGHBY, O. B; KEYES.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090270164A1 (en) * 2008-04-28 2009-10-29 Seelig Jerald C Gaming Device and Method of Use
US20100268456A1 (en) * 2003-07-25 2010-10-21 Christopher Kantarjiev System and method for delivering departure notifications
US20110169660A1 (en) * 2002-03-05 2011-07-14 Andre Gueziec GPS-Generated Traffic Information

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110169660A1 (en) * 2002-03-05 2011-07-14 Andre Gueziec GPS-Generated Traffic Information
US20100268456A1 (en) * 2003-07-25 2010-10-21 Christopher Kantarjiev System and method for delivering departure notifications
US20090270164A1 (en) * 2008-04-28 2009-10-29 Seelig Jerald C Gaming Device and Method of Use

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