IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0794439
(2004-03-04)
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발명자
/ 주소 |
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인용정보 |
피인용 횟수 :
4 인용 특허 :
14 |
초록
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A cavity is provided on the leading edge of an object that is subject to the flow of liquids or gasses, where said cavity preferably has a wall that follows the curvature of a diminishing sine wave, although other configurations are possible that do not follow a specific sine wave. The cavity accept
A cavity is provided on the leading edge of an object that is subject to the flow of liquids or gasses, where said cavity preferably has a wall that follows the curvature of a diminishing sine wave, although other configurations are possible that do not follow a specific sine wave. The cavity accepts the flow of liquids or gasses that enter into the cavity, and where the dimensions of the cavity cause the flow of liquids or gases within it to form a pressure node that extends forward of the cavity. The pressure node provides a wedge means to cause oncoming gasses or liquids to divert around the object body ahead of the object body itself, decreasing turbulence around the periphery of the object. The cavity may be spherical, in the instance of a missile, plane, or underwater transportation means, or may be linear, in the instance of an automobile grill that is subject to wind, or a bridge support, where the bridge support has to maintain position against the flow of current. The cavities may also be defined only on the front or leading edge, or concurrently on the front leading edge and the rear aft edge of the object to allow efficient movement both forward and aft.
대표청구항
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1. A nose cone having a cavity which has an opening defined on its forward leading edge, where said cavity comprises:a. a circular mouth; b. an inner side wall, where the side wall forms a generally spherical cavity. 2. A nose cone, as recited in claim 1, in which the cavity's inner side wall define
1. A nose cone having a cavity which has an opening defined on its forward leading edge, where said cavity comprises:a. a circular mouth; b. an inner side wall, where the side wall forms a generally spherical cavity. 2. A nose cone, as recited in claim 1, in which the cavity's inner side wall defines a secondary cavity, defined by a mouth opening defined on the back rear side of the cavity's inner side wall, where the secondary cavity inner side wall forms a generally spherical shape.3. A nose cone, as recited in claim 1, in which a plurality of cavities is defined, with a primary cavity, a secondary cavity, and a sub secondary cavity, where said cavities are contiguous with each other.4. A nose cone, as recited in claim 1, in which the rearward back edge of the nose cone defines one or more cavities, and where the cavities defined in the rearward back edge are able to receive gasses or fluids from any front leading edge cavities through a connecting duct.5. A nose cone, as recited in claim 1, in which the cavity wall follows the configuration of a diminishing sine wave.6. A nose cone having a forward leading edge, and defining at least one cavity, where the cavity is accessible by a cavity mouth, with the walls of said cavity following the configuration of a diminishing sine wave, with secondary cavity side walls defined along the configuration of the diminishing sine wave.7. A nose cone, as recited in claim 6, in which the nose cone comprises a cylindrical object, and where the defined cavity comprises a generally spherical shape.8. A nose cone, as recited in claim 6, in which the nose cone comprises a cylindrical object, and where the defined cavity comprises a shape defined by a diminishing sine wave.9. A nose cone, as recited in claim 6, in which the nose cone comprises a linear member, with the cavity comprising a linear configuration within the member.10. A method of using a defined cavity to create a pressure node in front of an object that is in relative motion with respect to surrounding gasses or liquids, where the pressure node provides a means to divert oncoming gasses or liquids around the object in advance of the outer skin of the object comprising the following steps:a. positioning the nose cone of an object in a line of direct opposition to moving liquid or gas; b. allowing the liquid or gas to move through a mouth opening into a primary cavity, where the liquid or gas moves along the wall of the cavity; c. rotating the liquid or gas within the cavity; d. directing the flow of the rotating liquid or gas along the walls of the cavity to converge on a central point within the cavity; e. the creation of a pressure node at the central point where the rotating liquids or gases converge; and f. allowing the pressure node to protrude forward of the object through the cavity mouth. 11. A method of using a defined cavity to create a pressure node in front of an object, as described in claim 10, comprising the additional following step of allowing the liquid or gas to move through a second mouth opening into a secondary cavity, where the liquid or gas moves along the wall of the secondary cavity and rotates until a secondary pressure node is created, which protrudes through the secondary cavity mouth into the primary cavity.12. A method of using a defined cavity to create a pressure node in front of an object, as described in claim 10, comprising the additional following step of allowing the liquid or gas to move through into secondary cavities, where there are more than two cavities, and allowing the liquid or gas moves along the wall of each of the secondary cavities and rotated until a secondary pressure node is created in each of the secondary cavities.13. A method of using a defined cavity to create a pressure node in front of an object, as described in claim 10, comprising the following step of defining any cavity walls to follow the contours defined by a diminishing sine wave.
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