US4872484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for controlling the flow of a fluid medium relative to an object
Assignee: Individual
•
Filing: 1988-12-12
•
Granted: 1989-10-10
•
Expires: 2008-12-12
Abstract
Abstract A system for affecting the flow of a fluid medium relative to an object including a plurality of surface deviations disposed on the surface of the object. The deviations are grouped into at least one set and the sets are arranged into at least one predetermined pattern. The deviations cover only a portion of the object's surface.
Inventors
- 👤 John Hickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:17
CPC Classifications
B; B64; B64C; B64C21/00; B64C21/10; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B64C11/00; B64C11/16; B64C11/18; Y; Y02; Y02T; Y02T50/00; Y02T50/10; Y10; Y10S; Y10S415/00; Y10S415/914; Y10T; Y10T137/00; Y10T137/8593
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
71 words
A system for controlling the flow of air relative to an object comprising: an object having at least one surface in contact with the air flow; a plurality of deviations on each said surface and arranged in predetermined pattern, said pattern including at least one deviation set; and said pattern covering only a portion of said at least one surface and having a common central deviation with radially extending deviation sets.
Claim 2
Independent Claim
71 words
A system for controlling the flow of air relative to an object comprising: an object having at least one surface in contact with the air flow; a plurality of deviations on each said surface and arranged in predetermined pattern, said pattern including at least one deviation set; and said pattern covering only a portion of said at least one surface and having a common central deviation with radially extending deviation sets.
Claim 3
Dependent Claim
13 words
The system of claim 1 in which said radially extending sets are curvilinear.
Claim 4
Dependent Claim
15 words
The system of claim 1 in which said deviations are concave indentations in said surface.
Claim 5
Dependent Claim
14 words
The system of claim 1 in which said deviations are projections from said surface.
Claim 6
Dependent Claim
14 words
The system of claim 1 in which said radially extending sets are equally spaced.
Claim 7
Dependent Claim
13 words
The system of claim 1 in which said deviations are of equal size.
Claim 8
Dependent Claim
13 words
The system of claim 1 in which said pattern defines a geometric figure.
Claim 9
Dependent Claim
14 words
The system of claim 7 in which said geometric figure includes a triangular shape.
Claim 10
Dependent Claim
16 words
The system of claim 1 in which said surface of said object is flexible and deformable.
Claim 11
Dependent Claim
17 words
The system of claim 9 in which said object includes a cloth or other thin, sheetlike material.
Claim 12
Independent Claim
71 words
A system for controlling the flow of air relative to a flexible object comprising: an object having at least one flexible and deformable surface in contact with the air flow; a plurality of surface deviations disposed on only a portion of said surface and grouped in one or more sets; and said sets arranged in at least one predetermined pattern for disrupting the laminar flow of air relative to said object.
Claim 13
Independent Claim
71 words
A system for controlling the flow of air relative to a flexible object comprising: an object having at least one flexible and deformable surface in contact with the air flow; a plurality of surface deviations disposed on only a portion of said surface and grouped in one or more sets; and said sets arranged in at least one predetermined pattern for disrupting the laminar flow of air relative to said object.
Claim 14
Dependent Claim
15 words
The system of claim 11 in which said deviations are concave indentations in said surface.
Claim 15
Dependent Claim
14 words
The system of claim 11 in which said deviations are projections from said surface.
Claim 16
Dependent Claim
20 words
The system of claim 11 in which said pattern has a common central deviation with curvilinear radially extending deviation sets.
Claim 17
Dependent Claim
13 words
The system of claim 11 in which said deviations are equal in size.
Claim 18
Dependent Claim
13 words
The system of claim 11 in which said pattern defines a geometric figure.
Claim 19
Dependent Claim
14 words
The system of claim 16 in which said geometric figure includes a triangular shape.
Claim 20
Independent Claim
74 words
A system for affecting the flow of a fluid medium relative to an object comprising: at least one surface of said object in contact with the fluid medium; a plurality of surface deviations disposed on each said surface and grouped in at least one set, said at least one set arranged in a predetermined pattern; and said pattern defining a generally spiral form having a common central deviation point from which said sets radiate.
Claim 21
Independent Claim
74 words
A system for affecting the flow of a fluid medium relative to an object comprising: at least one surface of said object in contact with the fluid medium; a plurality of surface deviations disposed on each said surface and grouped in at least one set, said at least one set arranged in a predetermined pattern; and said pattern defining a generally spiral form having a common central deviation point from which said sets radiate.
Claim 22
Dependent Claim
11 words
The system of claim 18 in which said sets are curvilinear.
Claim 23
Dependent Claim
14 words
The system of claim 19 in which said sets radiate in a counterclockwise direction.
Claim 24
Dependent Claim
14 words
The system of claim 19 in which said sets radiate in a clockwise direction.
Claim 25
Dependent Claim
13 words
The surface pattern of claim 18 in which said deviations are equally sized.
Claim 26
Dependent Claim
14 words
The surface pattern of claim 18 in which said deviations are of varying shape.
Claim 27
Dependent Claim
19 words
The surface pattern of claim 18 further including a plurality of said spirally formed patterns arranged on said surface.
Claim 28
Dependent Claim
13 words
The system of claim 18 in which said central point is a deviation.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-10-09 | 1993-04-10 | 1993-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-09 | 1997-04-10 | 1997-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-09 | 2001-04-10 | 2001-10-10 | $7700.00 | Window Closed / Lapsed |