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 Title: |
US3712542:
FOG DISPERSAL SYSTEM
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| Country: |
US United States of America
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| Inventor: |
Price, Jr., Frank C.; Santa Ana, CA
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| Assignee: |
Ultrasystems, Inc., Newport Beach, CA
other patents from ULTRASYSTEMS, INC. (593895) (approx. 3)
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| Published / Filed: |
1973-01-23
/ 1971-03-15
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| Application Number: |
US1971000124238
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| IPC Code: |
Advanced:
E01H 13/00;
Core:
more...
IPC-7:
E01H 13/00;
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| U.S. Class: |
Current:
239/002.1;
239/014.1;
Original:
239/002.R;
239/014;
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| Field of Search: |
239/2 R,14
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| Priority Number: |
| 1970-06-18 |
US1970000047422 |
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| Abstract: |
A fog dispersal system for an aircraft runway or the like and including an arrangement of heaters of various intensities distributed along the sides of the runway, the heaters producing plumes of heated air which rise to different levels according to their intensity and expand and merge over the runway in adjoining layered relation. The plumes from the larger heaters rise and diffuse to a higher altitude compared to the plumes of heated air from the smaller heaters. The resulting generally horizontally oriented layered plumes of heated air over the runway heat the air to an extent sufficient to clear it of fog droplets. Automatic means are provided to select the appropriate heaters and the intensity of their burning to suit any one of several combinations of wind velocity and direction. One embodiment provides for the addition of fog dispersal particles to each heater effluent so that the particles rise and diffuse with the warm plume.
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| Attorney, Agent or Firm: |
Fulwider, Patton, Rieber, Lee & Utecht ;
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| Primary / Asst. Examiners: |
Wood, Jr., M. Henson; Love, John J.
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| Parent Case: |
CROSS-REFERENCE TO RELATED APPLICATION
This is a continuation-in-part of U.S. patent application Ser. No. 47,422, filed June 18, 1970 now abandoned, and the benefit of the filing date thereof is claimed for the subject matter which is common to that application and the present application.
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| Family: |
None
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First Claim:
Show all 9 claims |
I CLAIM:
1. A method of clearing fog from a predetermined area, comprising:
- distributing a plurality of sets of heaters in spaced apart relation along at least one side of said area, said sets being of different relative intensities with heaters of lower intensity sets being disposed closer to said area than heaters of relatively higher intensity sets;
- generating generally conically shaped plumes of heated air from the heaters of each of said sets, each individual plume being substantially independent from the plumes generated by all of the other heaters, both from the same set and from the remaining sets, each of said individual plumes rising upwardly and, in response to prevailing wind conditions, expanding over said area, the individual plumes of each heater set merging, at least over said area, to form a horizontally oriented layer of heated air located at a height corresponding to the relative intensity of the respective heater set, whereby the plumes of heated air from said plurality of heater sets rise and expand over said area in the form of stacked, horizontally oriented layers located at heights corresponding to said relative intensities, the uppermost layer corresponding to the highest intensity heater set, and whereby said stacked layers of heated air clear said area of fog.
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| Background / Summary: |
Show background / summary
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| Drawing Descriptions: |
Show drawing descriptions
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| Description: |
Show description
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| Forward References: |
Show 7 U.S. patent(s) that reference this one
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