US107376A - Improvement in propellers - Google Patents
Improvement in propellers Download PDFInfo
- Publication number
- US107376A US107376A US107376DA US107376A US 107376 A US107376 A US 107376A US 107376D A US107376D A US 107376DA US 107376 A US107376 A US 107376A
- Authority
- US
- United States
- Prior art keywords
- shaft
- bars
- propellers
- blades
- improvement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 240000002027 Ficus elastica Species 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229920001195 polyisoprene Polymers 0.000 description 4
- 102100001771 AMPH Human genes 0.000 description 2
- 101700064689 AMPH Proteins 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 2
- 241000272168 Laridae Species 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D33/00—Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
Definitions
- My invention relates chiefly to a class ofreeiproeatingpropellers, adapted,.by their construction, to act in a manner siinila-r to the tail. of a fish, and consists in constructing such propellcrs with solidbladesof l ndia rubber, .tapering in thickness, and clanipedby l their thick edges between metallic bars in a vibrating tienne, as hereinafter described.
- Figure 1 is a vertical longitudinal sect-ion ot' a' portion of' thc stern ot' a vessel, with my invention applied. ⁇
- FigureQ represents a horizontal section of the. propcller at refr, iig.
- the propeller-frame made preferably ot' iron or steel, and consisting of two ormore dat bars, l) 1),'piojecting horizontally or at rright angles to the shaft C, and a -number of bars, E, arranged in pairsparallel'withthe shaft C, and connecting the bars D.
- the bars are preferably taperediu thickness
- the vibratory movement may be imparted to the shaft C through thev medium of an arm, G, within or in relation to which the shaft may be reversed, so. as to present thepropcller in either direction, and thus propel the vessel either 'forward or backward.
- the ⁇ arm G is to be actuated by a pitman or connectingrod from a crank or reciprocating engine.
- the shaft G is supported by a collar, H, secured by set-'screws I, or equivalent means, and removable when required, so that the shaft may be passed downward Vthrough the casing B, and suspended by ac hain,
- a propeller of the construction described ' may be ,arranged on a horizontal shaft, if' preferred.
- Mysolidrubbcr blades usedin the manner described, possess several important advantages. lhey weigh nothing in water, are'not'subjectto corrosion, and, by having much-greater thickness at the base than is practicable in steel bladesthey are found to assume, under the resistance of the' water, a better form for propulsion. y
- the compressibility of thematerial is also of great practical value in this connection, adapting it tol be clamped firmly between the metallic bars, without thedrilling that is necessary with steel blades'.
- the metallic bars being clamped upon the 1ubber,lbecom e imbedded in it, soas to hold it with perfect security,
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Catching Or Destruction (AREA)
Description
noBnarHUNTEa-or NEW Yoan, N.. Y.
Lette-.rs Patent No. 107,376, dated September 13, 1,87
IMPROVEMENT -IN PROPELLRS.
The Schedule referred to in these L etters Patent and makn'g part 0f the same..
I, ROBERT:` HUNTER, of' thecity of `New York, doctor of medicine, have invented a new and useful Im# provement in Propellers, of which the'. followingr is a` specifica-tion.
-A'aturc all (Ng/'acts of the Invention.
i My invention relates chiefly to a class ofreeiproeatingpropellers, adapted,.by their construction, to act in a manner siinila-r to the tail. of a fish, and consists in constructing such propellcrs with solidbladesof l ndia rubber, .tapering in thickness, and clanipedby l their thick edges between metallic bars in a vibrating tienne, as hereinafter described.
Description of the Accompanying Brewing. Figure 1 isa vertical longitudinal sect-ion ot' a' portion of' thc stern ot' a vessel, with my invention applied.`
FigureQ represents a horizontal section of the. propcller at refr, iig.
General Description. Y A represents a parli of a ressels hull within which, at or near the steril, or at the bow, o r in any other place where it may he desired to apply the propeller,
is a vertical casing or well, 15,'open to' the water-at betteln and to the air at top. lhc said casing ex- 'tends upward well above the water-line, and, prefera-r bly,np to the deck, so that,-though thewater rises freely within the casing, it cannot thereby enter the vessel.
C is a shaft, so mounted as to turn or oscillatc freely within the casing B.
Upon thelower part of this shaft. is mounted the propeller-frame, made preferably ot' iron or steel, and consisting of two ormore dat bars, l) 1),'piojecting horizontally or at rright angles to the shaft C, and a -number of bars, E, arranged in pairsparallel'withthe shaft C, and connecting the bars D.
'The two bars E of each pair are set at the. necessary distancc asnnder to serve as a socket forthe reception'of the propelling-blades F, each of which is made'of wedge shape, of India rubber, -and bolted by -its thick edgebetween the two 'bars E.'
s The more flexible thin edge ofthe blade projects backward, so that, as the shaft is vibrated, the blades will', by the resistance ofthe water, assume an oblique position on one side or the other, asindicated by dotted lines in lig. 2, and, by the Obliquity of the surfaces thus presented, exert a powerful propellingr force nnder the vibration of the propeller.
The bars are preferably taperediu thickness,
backward or toward the flexible blades, as shown in tig. 2. y The vibratory movement may be imparted to the shaft C through thev medium of an arm, G, within or in relation to which the shaft may be reversed, so. as to present thepropcller in either direction, and thus propel the vessel either 'forward or backward. The` arm G is to be actuated by a pitman or connectingrod from a crank or reciprocating engine.
The shaft G is supported by a collar, H, secured by set-'screws I, or equivalent means, and removable when required, so that the shaft may be passed downward Vthrough the casing B, and suspended by ac hain,
Lattachd to an eye-bolt, K, a second chain or line,
eitherpermanently attached or provided with a hook or'suitable grapple, being employed to take the'- propeller in board. It may thus be unshipped for examination, repair, or otlierpui'poses, with greatpconvenience while the vessel is afloat, and afterward replaced by passing -it over the side and drawing it np into its place, with equal facility. Y
A propeller of the construction described 'may be ,arranged on a horizontal shaft, if' preferred.
I am aware that propcllers 4have been made with tapering steel blades.` This, therefore, Ido not claim.
Mysolidrubbcr blades, usedin the manner described, possess several important advantages. lhey weigh nothing in water, are'not'subjectto corrosion, and, by having much-greater thickness at the base than is practicable in steel bladesthey are found to assume, under the resistance of the' water, a better form for propulsion. y
The compressibility of thematerial is also of great practical value in this connection, adapting it tol be clamped firmly between the metallic bars, without thedrilling that is necessary with steel blades'. The metallic bars being clamped upon the 1ubber,lbecom e imbedded in it, soas to hold it with perfect security,
and in this way .a defective blale may be removed, and anew one inserted,.at any time, bythe boats crew, without thc'aid of askilled mechanic.-
Claim;
'I claim as my invention-V The propeller herein described, consisting of blades-.
of India rubber, taperingin thickness, bolted between metallic bars or plat-es, attached to a shaft, substanf tially as hereindescribed.
Y R. HUNTER. Witnesses:
W. M. AMPH, OGTAVIUs KNIGHT.
Publications (1)
Publication Number | Publication Date |
---|---|
US107376A true US107376A (en) | 1870-09-13 |
Family
ID=2176851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US107376D Expired - Lifetime US107376A (en) | Improvement in propellers |
Country Status (1)
Country | Link |
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US (1) | US107376A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2570839A (en) * | 1947-12-17 | 1951-10-09 | Andrew F O'bannon | Vessel propelling and steering mechanism |
US4178128A (en) * | 1977-05-10 | 1979-12-11 | Innerspace Corporation | Method of and device for propulsion |
US8480446B2 (en) | 2010-11-04 | 2013-07-09 | David W Woods | High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters |
US20140205453A1 (en) * | 2011-08-17 | 2014-07-24 | Jose San Gabino Ramirez | Aquatic propulsion by means of oscillating fins |
US8926385B1 (en) | 2009-11-02 | 2015-01-06 | David Woods | High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters |
-
0
- US US107376D patent/US107376A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2570839A (en) * | 1947-12-17 | 1951-10-09 | Andrew F O'bannon | Vessel propelling and steering mechanism |
US4178128A (en) * | 1977-05-10 | 1979-12-11 | Innerspace Corporation | Method of and device for propulsion |
US8926385B1 (en) | 2009-11-02 | 2015-01-06 | David Woods | High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters |
US8480446B2 (en) | 2010-11-04 | 2013-07-09 | David W Woods | High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters |
US20140205453A1 (en) * | 2011-08-17 | 2014-07-24 | Jose San Gabino Ramirez | Aquatic propulsion by means of oscillating fins |
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