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Title: US5368228: Method and apparatus for forming a fluid projection screen
[ Derwent Title ]

Country: US United States of America

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10 pages

Inventor: Adamson, William G.; Pacoima, CA
Updyke, Lance D.; Simi Valley, CA
Sogge, John W.; Orlando, FL

Assignee: The Walt Disney Company, Burbank, CA
other patents from WALT DISNEY COMPANY (617665) (approx. 101)
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Published / Filed: 1994-11-29 / 1993-04-20

Application Number: US1993000050533

IPC Code: Advanced: B05B 1/26; B05B 17/08; G03B 21/60;
IPC-7: B05B 1/04; G03B 21/60;

ECLA Code: G03B21/60; B05B1/26A2; B05B17/08F;

U.S. Class: Current: 239/018; 239/523; 239/524; 239/590.5;
Original: 239/018; 239/523; 239/524; 239/590.5;

Field of Search: 239/011,12,16-18,20-23,518,521,523,524,590.5 359/443

Priority Number:
1993-04-20  US1993000050533

Abstract:     The invention relates to a method and apparatus for creating a fluid screen for use in entertainment. Provided is a mechanically simple and effective way of creating a fluid screen which facilitates the projection of still and moving pictures upon it. The fluid screen is generated by pumping water, or other comparable fluid, through a fluid screen nozzle having an axial flow director and a nozzle insert. The fluid, at a given pressure and flow rate, is directed through the axial flow director, past the internal end of the nozzle insert and its transition section and then onto and away from its radial stabilizer. The fluid is guided by the radial stabilizer of the nozzle insert to form the fluid screen. Each of the regions mentioned contribute to creating the desired shape of the projection surface. Performance may be further enhanced by having a flow straightening area adjacent to the axial flow director, a reducer prior to the nozzle insert, and texturing the surfaces of the transition section and radial stabilizer.

Attorney, Agent or Firm: Erbe, Richard S. ;

Primary / Asst. Examiners: Merritt, Karen B.;

Maintenance Status: E2 Expired  Check current status

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 25 claims
We claim:     1. A fluid projection screen nozzle for creating a fluid projection screen, the fluid projection screen nozzle comprising:
  • an axial flow director for directing a flowing fluid axially toward a fluid exit, said flowing fluid having a flow direction; and,
  • a nozzle insert positioned at said fluid exit, said nozzle insert comprising:
    • a flow restrictor rigidly affixed within said axial flow director at said fluid exit, said flow restrictor reducing the area of fluid flow within said axial flow director thereby increasing the velocity of the flowing fluid;
    • a transition element for smoothly changing said flow direction from axial to substantially radial, said transition element having a first end downstream of and contiguous with said flow restrictor, an opposed larger second end, and a curving surface resembling a segment of a bell by flaring outwardly therebetween for smoothly transitioning direction of said flowing fluid from axial to substantially radial, said curving surface extending beyond said fluid exit of said axial flow director; and
    • a radial stabilizer attached to said second end of said transition element to stabilize and complete the transition of the direction of said flowing fluid from axial to substantially radial, whereby said flowing fluid continues beyond said radial stabilizer to form said fluid projection screen.

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Forward References: Show 11 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (11)   |   Backward references (11)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 4pp US620592* 1899-03 Just    
Get PDF - 3pp US1882922  1932-10 Robinson et al.   Sprinkler head
Get PDF - 3pp US2089673  1937-08 Steinmann   Oil atomizer
Get PDF - 3pp US2408588* 1946-10 Watts    
Get PDF - 4pp US3045931* 1962-07 Hall    
Get PDF - 4pp US3069100* 1962-12 Schuler    
Get PDF - 5pp US3334816  1967-08 Mizuno   Apparatus for projecting an image on a jet of water
Get PDF - 22pp US4749126  1988-06 Kessener et al.   Liquid outlet adapted to provide lighting effects and/or for illumination
Get PDF - 13pp US4974779  1990-12 Araki et al.  Ishikzwajima-Harima Heavy Industries Co., Ltd. Screen forming apparatus and method
Get PDF - 11pp US5067653  1991-11 Araki et al.  Ishikawajima-Harima Heavy Industries Co., Ltd. Screen forming apparatus and method
Get PDF - 9pp US5265802  1993-11 Hobbs et al.  Wm. Hobbs, Ltd. Fluid projection screen system
  * some details unavailable
Foreign References:
Publication Date IPC Code Assignee   Title
  JP59192237 1984-10       

Other Abstract Info: DERABS G95-013801 DERG95-013801

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