US519362A - Windmill - Google Patents

Windmill Download PDF

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Publication number
US519362A
US519362A US519362DA US519362A US 519362 A US519362 A US 519362A US 519362D A US519362D A US 519362DA US 519362 A US519362 A US 519362A
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Prior art keywords
brace
connection
sails
hub
windmill
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Expired - Lifetime
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/24—Blade-to-blade connections, e.g. for damping vibrations using wire or the like

Definitions

  • This invention relates to improvements in wheels of windmills and consists in the manner of forming the supports for the sails in order to hold them inrigid manner.
  • Figure 1 is a front face elevation of the wheel in which a series of sails are shown.
  • Fig. 2 is a vertical section on dotted lines A Fig. 1.
  • Fig. 3 is a section on dotted lines I), Fig. 1.
  • Fig. 4 is a front face elevation of the wheel in which a series of sails are shown.
  • Fig. 2 is a vertical section on dotted lines A Fig. 1.
  • Fig. 3 is a section on dotted lines I), Fig. 1.
  • Fig. 4 is a front face elevation of the wheel in which a series of sails are shown.
  • Fig. 2 is a vertical section on dotted lines A Fig. 1.
  • Fig. 3 is a section on dotted lines I), Fig. 1.
  • Fig. 4 is a front face elevation of the wheel in which a series of sails are shown.
  • Fig. 2 is a vertical section on dotted lines A Fig. 1.
  • Fig. 3 is a section on dotted lines
  • the sails 1, employed in the construction of this wheel are of the well known form used Each of these sails has a spoke 2, firmly riveted thereto which holds the sails in a radial po-.
  • a front brace rod 5 has a connection with the sail nearits upper end and extends obliquely downward and forward and its lower end being connected to a hub 6, fitted upon the end of the shaft, and a nut 7, turned upon the screw threaded end of the shaft holds this hub in position.
  • an angle brace 8 To the front brace 5, is riveted an angle brace 8, its center portion being bolted to the spoke which serves to strengthen the parts and hold the sails in a rigid manner.
  • a short brace bar 9 To the front face of one sail and the rear face of the next sail is connected a short brace bar 9, by the bolts 10, passing through the braced in such a manner that it will be im- M possible for the wind to disturb them.
  • the hubs 3, and 6, have their faces made in sawtoothed form as shown at Fig. 4, in order that the spokes 2 and front brace 5, may have a firm connection therewith in order to drive the shaft 4.
  • a series of sails having a spoke connection with a hub and a front brace extending forward obliquely having a connection with a suitable hub and -an angugular brace forming a connection with the front brace and spoke.
  • a series of sails each having a spoke connection with a hub and a brace extending forward obliquely having a connection with a suitable hub, angular braces located between the oblique brace and spoke and having a connection therewith, a brace connecting the front of one sail with the rear of the next, a brace having a connection with this connecting brace and connecting the rear edge of the sail, and a brace having a connection with the connecting brace and with the front edge of the sail.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Description

(No Model.)
J. WALLACE. WINDMILL. No. 519,362. Patented May 8, 1894.
' [7221a (or: m (M. /Mn 3M.
NITED STATES JOHN WALLACE, OF UNION, ILLINOIS.
WINDMILL.
SPECIFICATION forming part of Letters Patent No. 519,362, dated May 8, 1894. Application filed November 25, 1893- Serial No. 491,992- (No model.)
T at whom i2; may concern.-
Be it known that I, JOHN WALLACE, a citizen of the United States, residing at Union, in the county of McI-Ienry and State of Illinois, have invented certain new and useful Improvements in Windmills, of which the following is a specification.
This invention relates to improvements in wheels of windmills and consists in the manner of forming the supports for the sails in order to hold them inrigid manner.
In the accompanying drawings, Figure 1, is a front face elevation of the wheel in which a series of sails are shown. Fig. 2, is a vertical section on dotted lines A Fig. 1. Fig. 3, is a section on dotted lines I), Fig. 1. Fig. 4,
is an isometrical representation of a section of the hub 3, showing its front saw-toothed face.
The sails 1, employed in the construction of this wheel are of the well known form used Each of these sails has a spoke 2, firmly riveted thereto which holds the sails in a radial po-.
sition, the lower ends of these spokes have a connection with a hub 3, secured upon the shaft 4. A front brace rod 5, has a connection with the sail nearits upper end and extends obliquely downward and forward and its lower end being connected to a hub 6, fitted upon the end of the shaft, and a nut 7, turned upon the screw threaded end of the shaft holds this hub in position. To the front brace 5, is riveted an angle brace 8, its center portion being bolted to the spoke which serves to strengthen the parts and hold the sails in a rigid manner.
To the front face of one sail and the rear face of the next sail is connected a short brace bar 9, by the bolts 10, passing through the braced in such a manner that it will be im- M possible for the wind to disturb them. The hubs 3, and 6, have their faces made in sawtoothed form as shown at Fig. 4, in order that the spokes 2 and front brace 5, may have a firm connection therewith in order to drive the shaft 4.
I claim as my invention- 1. In a windmill wheel; a series of sails having a spoke connection with a hub and a front brace extending forward obliquely having a connection with a suitable hub and -an angugular brace forming a connection with the front brace and spoke. 2. In a windmill wheel; a series of sails, each having a spoke connection with a hub and a brace extending forward obliquely having a connection with a suitable hub, angular braces located between the oblique brace and spoke and having a connection therewith, a brace connecting the front of one sail with the rear of the next, a brace having a connection with this connecting brace and connecting the rear edge of the sail, and a brace having a connection with the connecting brace and with the front edge of the sail.
- JOHN WALLACE. Witnesses:
A. O. BEHEL, E. BEHEL.
US519362D Windmill Expired - Lifetime US519362A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090160194A1 (en) * 2007-12-24 2009-06-25 Clark Philip G Wind turbine blade and assembly
US20090257884A1 (en) * 2007-12-24 2009-10-15 Clark Philip G Wind turbine blade and assembly
CN103057703A (en) * 2011-10-18 2013-04-24 顾惠群 Dual-rotor coaxial helicopter with wing-shaped rotors

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090160194A1 (en) * 2007-12-24 2009-06-25 Clark Philip G Wind turbine blade and assembly
US20090257884A1 (en) * 2007-12-24 2009-10-15 Clark Philip G Wind turbine blade and assembly
US7614852B2 (en) * 2007-12-24 2009-11-10 Clark Philip G Wind turbine blade and assembly
CN103057703A (en) * 2011-10-18 2013-04-24 顾惠群 Dual-rotor coaxial helicopter with wing-shaped rotors

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