US126701A - Improvement in canal-boat propulsion - Google Patents

Improvement in canal-boat propulsion Download PDF

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US126701A
US126701A US126701DA US126701A US 126701 A US126701 A US 126701A US 126701D A US126701D A US 126701DA US 126701 A US126701 A US 126701A
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boat
canal
wheels
improvement
water
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/04Propulsive elements directly acting on water of rotary type with rotation axis substantially at right angles to propulsive direction

Description

I. JosEPHfHuLfQERD. Improv-ement `in Canal-Boat Propulsion'.
Patented May 14, i872.
NTTED STATES l I. JOSEPH HILGERD, OF NEW YORK,N. Y.
lrwrnovlalvnnrr IN CANAL-BoAr PRoPuLsloN.
Specification forming part of Letters Patent No. 126,701, dated May 14, 1872.
JOSEPH HILGERD, of the city, county, and
State of New York.
Figure l is a top view of a cana-l-boat illus `trating my invention, part being broken away4 to show the construction. Fig. 2 is a side view `of the same. Fig. 3 is a detail cross-section of the same taken through through the line x w, Fig. 1. Fig. 4-is a detail cross-section of the same taken through the line y y, Fig. l. Fig.v
5 is a detail view of one of the wheels.
Similar letters of reference indicate corresponding parts.
My invention has for its object to improve the construction of canaLboats, so as to enable them to Vbe propelled through the water with greater velocity and without injury to the banks; and it consists -in the construction and combination of various parts of the boat, as hereinafter more fully d escribed.
A are two wheels, made in the form of frustums of cones, placed apex to apex, and attached to the same shaft B to which the power is applied. The wheels A are made air and water tight, and have paddles or blades slightly inclined or spiral, attached to their conical surfaces, as shown in" Figs. 1, 3, and 5. The walls of the forward part of the boat at the sides of the wheels A are made double, and air and water tight,'to serve as floats to buoy up the bow of the`boat. The boat C is made with two keels, D, one upon each side of its bottom, as shown in Fig. 4. The keels D are made air and water tight, to serve as buoys to assist in iioatin g the boat. The keels D also form a channel or water-course along the center of the boats bottom to receive the water Y from the wheels A to prevent the banks from being washed by the swell from the wheels.
The two keels D also preventl the boat from shaking in its movements. E are the rudders, two of which are used-one at the rear end of each keel D. The rudders E are madev triangular inform to prevent them from stirring up the sand or mud in the bottom of the canal in shallow water, and are connected by a cross bar, F, to the center of which the tiller G is pivoted. The tiller G is pivoted to the tillergost H at the center of the rear part of the oat.
`By this construction the boat will draw less water while carrying a heavier load than boats constructed in the ordinary manner, and at the same time the wheels A will cut-down the water in front of the boat and force it inward and rearward through the channel in the bottom of the boat, so that it may lose its force before being discharged at the stern of the boat, and thus prevent the formation of a V swell which might injure the banks, thus enabling the boat to be propelled faster than ordinary boats can be.
Hav in g thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The two conical wheels A, made air and water tight, with sliding spiral buckets, and
attached to the same shaft, substantially as herein shown and described, and for the purn pose set forth.
2. The two side keels D, in combination with u the hull C of the boat and with the two conical wheels A, substantially as herein shown and described, and for the purposes set forth.
l. JOSEPH HILGERD.
Witnesses Guns. (Jonson, TnoMAs GARTWRIGHT.
US126701D Improvement in canal-boat propulsion Expired - Lifetime US126701A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101692A (en) * 1960-11-14 1963-08-27 Hal J Snow Boat and propulsion means therefor
US3371637A (en) * 1966-06-06 1968-03-05 James W. Woodall Paddle wheel boat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101692A (en) * 1960-11-14 1963-08-27 Hal J Snow Boat and propulsion means therefor
US3371637A (en) * 1966-06-06 1968-03-05 James W. Woodall Paddle wheel boat

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