Patent US2331100A successfully refreshed from Google Patents.
Patent US5136876A successfully refreshed from Google Patents.
US5136876A
Expired / Lapsed
US
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Apparatus and process for determining fluid leak rates
Assignee: Dow Chemical Co
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Filing: 1990-02-16
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Granted: 1992-08-11
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Expires: 2010-02-16
Abstract
Abstract An apparatus and process for controlling a high pressure fluid leak, such as a combustible gas, by determining the leak rate of the fluid from the leak source utilizing sound sensors wherein the step of determining the leak rate includes the step of comparing the signals from the sound sensors with a known standard curve, and activating a controller for controlling the fluid to prevent the fluid from spreading in the atmosphere.
Inventors
- 👤 Otis C. Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:38
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/24
Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
95 words
A process for determining the leak rate of a fluid through an orifice of a potential leak source area comprising (a) providing a predetermined potential leak source area, (b) mounting a plurality of sound pressure measuring sensors in a plane wherein said sensors are spaced essentially equidistant from the leak source area and essentially equiangular from each other, (c) measuring the sound pressure level, by operation in the sensors, of a fluid leak of the potential leak source area, and (d) comparing the sound pressure level measured to a known standard for fluid leak rates.
Claim 2
Dependent Claim
95 words
A process for determining the leak rate of a fluid through an orifice of a potential leak source area comprising (a) providing a predetermined potential leak source area, (b) mounting a plurality of sound pressure measuring sensors in a plane wherein said sensors are spaced essentially equidistant from the leak source area and essentially equiangular from each other, (c) measuring the sound pressure level, by operation in the sensors, of a fluid leak of the potential leak source area, and (d) comparing the sound pressure level measured to a known standard for fluid leak rates.
Claim 3
Dependent Claim
11 words
The process of claim 1 wherein the fluid is a liquid.
Claim 4
Dependent Claim
11 words
The process of claim 1 wherein the fluid is a gas.
Claim 5
Dependent Claim
98 words
A process for determining the leak rate of a fluid through an orifice in a high pressure fluid source comprising: (a) placing a plurality of sound measuring means remotely separate and apart and at a predetermined distance from a potential leak source area, said sound measuring means being arranged in a plane wherein they are essentially equidistant from the leak source area and they are essentially equiangular from each other, (b) obtaining output signals from the sound measuring means, and (c) comparing the signals to a standard curve for determining the leak rate in said leak source area.
Claim 6
Dependent Claim
98 words
A process for determining the leak rate of a fluid through an orifice in a high pressure fluid source comprising: (a) placing a plurality of sound measuring means remotely separate and apart and at a predetermined distance from a potential leak source area, said sound measuring means being arranged in a plane wherein they are essentially equidistant from the leak source area and they are essentially equiangular from each other, (b) obtaining output signals from the sound measuring means, and (c) comparing the signals to a standard curve for determining the leak rate in said leak source area.
Claim 7
Dependent Claim
77 words
A process comprising measuring the leak rate, in a leak source area, of a fluid through an orifice with a plurality of remote acoustical sensors, said sensors being arranged in a plane wherein the sensors are essentially equidistant from the leak source area and essentially equiangular from each other, and activating a control means for controlling the fluid leak based on the leak rate measured, wherein the control means is activated by a computer and data processor.
Claim 8
Dependent Claim
77 words
A process comprising measuring the leak rate, in a leak source area, of a fluid through an orifice with a plurality of remote acoustical sensors, said sensors being arranged in a plane wherein the sensors are essentially equidistant from the leak source area and essentially equiangular from each other, and activating a control means for controlling the fluid leak based on the leak rate measured, wherein the control means is activated by a computer and data processor.
Claim 9
Dependent Claim
95 words
A process for controlling a high pressure fluid leak in a leak source area comprising: (a) determining the leak rate of the fluid in the leak source area utilizing a plurality of sound measuring means arranged in a plane wherein the sound measuring means are essentially equidistant from the leak source area and are essentially equiangular from each other, wherein the step of determining the leak rate includes the step of comparing the signals from the sound measuring means with a standard curve; and (b) communicating the data from step (a) to an actuating means.
Claim 10
Dependent Claim
95 words
A process for controlling a high pressure fluid leak in a leak source area comprising: (a) determining the leak rate of the fluid in the leak source area utilizing a plurality of sound measuring means arranged in a plane wherein the sound measuring means are essentially equidistant from the leak source area and are essentially equiangular from each other, wherein the step of determining the leak rate includes the step of comparing the signals from the sound measuring means with a standard curve; and (b) communicating the data from step (a) to an actuating means.
Claim 11
Dependent Claim
24 words
The process of claim 6 including activating the actuating means to control the leaking fluid to prevent the fluid from spreading in the atmosphere.
Claim 12
Dependent Claim
25 words
The process of claim 7 including activating the actuating means for shutting off the fluid leak to prevent the fluid from spreading in the atmosphere.
Claim 13
Dependent Claim
23 words
The process of claim 6 including activating the actuating means for igniting the fluid to prevent the fluid from spreading in the atmosphere.
Claim 14
Dependent Claim
120 words
A process for controlling a high pressure combustible fluid leak in a leak source area comprising: (a) determining the leak rate of the combustible fluid from the leak in the leak source area utilizing a plurality of sound measuring means arranged in a plane such that the said sound measuring means are essentially equidistant from the leak source area and are essentially equiangular from each other, wherein the step of determining the leak rate includes the step of comparing the signals from the sound measuring means with a standard curve, and (b) based on the data from step (a) activating a means for closing emergency block valves such that the leak is isolated from other process equipment and product storage.
Claim 15
Dependent Claim
120 words
A process for controlling a high pressure combustible fluid leak in a leak source area comprising: (a) determining the leak rate of the combustible fluid from the leak in the leak source area utilizing a plurality of sound measuring means arranged in a plane such that the said sound measuring means are essentially equidistant from the leak source area and are essentially equiangular from each other, wherein the step of determining the leak rate includes the step of comparing the signals from the sound measuring means with a standard curve, and (b) based on the data from step (a) activating a means for closing emergency block valves such that the leak is isolated from other process equipment and product storage.
Claim 16
Dependent Claim
41 words
The process of claim 10 including communicating each data from the sound measuring means to a computer controller and data processor such that the computer responds to the leak to activate a means for closing the valves to isolate the leak.
Claim 17
Dependent Claim
113 words
A process for controlling a high pressure combustible fluid leak in a leak source area comprising: (a) determining the leak rate of the combustible fluid from the leak source area utilizing a plurality of sound measuring means which are arranged in a plane wherein the said sound measuring means are essentially equidistant from the leak source area and are essentially equiangular from each other, wherein the step of determining the leak rate includes the step of comparing the signals from the sound measuring means with a standard curve, and (b) based on the data from step (a) activating a means for igniting the fluid to prevent the fluid from spreading in the atmosphere.
Claim 18
Dependent Claim
113 words
A process for controlling a high pressure combustible fluid leak in a leak source area comprising: (a) determining the leak rate of the combustible fluid from the leak source area utilizing a plurality of sound measuring means which are arranged in a plane wherein the said sound measuring means are essentially equidistant from the leak source area and are essentially equiangular from each other, wherein the step of determining the leak rate includes the step of comparing the signals from the sound measuring means with a standard curve, and (b) based on the data from step (a) activating a means for igniting the fluid to prevent the fluid from spreading in the atmosphere.
Claim 19
Dependent Claim
44 words
The process of claim 12 including communicating each data from the sound measuring means to a computer controller and data processor such that the computer responses to the leak to activate a means for igniting the fluid leak to prevent spreading in the atmosphere.
Claim 20
Dependent Claim
77 words
A process comprising the steps of: (a) measuring the sound pressure of a leak source to determine leak rate in a leak source area; (b) entering said leak rate data obtained in step (a) into a computer: (c) monitoring atmospheric conditions; (d) entering said atmospheric conditions data obtained in step (c) into said computer; (e) generating a hazard level corresponding to said leak rate with said computer based on the data entered in steps (b) and (d).
Claim 21
Dependent Claim
77 words
A process comprising the steps of: (a) measuring the sound pressure of a leak source to determine leak rate in a leak source area; (b) entering said leak rate data obtained in step (a) into a computer: (c) monitoring atmospheric conditions; (d) entering said atmospheric conditions data obtained in step (c) into said computer; (e) generating a hazard level corresponding to said leak rate with said computer based on the data entered in steps (b) and (d).
Claim 22
Dependent Claim
17 words
The process of claim 14 including the step of actuating an alarm based on said hazard level.
Claim 23
Dependent Claim
21 words
The process of claim 14 including the step of actuating a means for isolating the leak based on said hazard level.
Claim 24
Dependent Claim
25 words
The process of claim 14 including the step of actuating a means for shutting off equipment to prevent further leakage based on said hazard level.
Claim 25
Dependent Claim
21 words
The process of claim 14 including the step of actuating a means for igniting the leak based on said hazard level.
Claim 26
Independent Claim
91 words
An apparatus for determining the leak rate of a fluid through an orifice in a leak source area comprising (a) a plurality of means for measuring the sound pressure level of the fluid leak, said plural means for measuring the sound pressure level of the fluid leak being arranged in a plane wherein the said means are essentially equidistant from the said leak source area and are essentially equiangular to each other, and (b) a means for comparing the sound pressure level measured to a known standard for fluid leak rates.
Claim 27
Independent Claim
91 words
An apparatus for determining the leak rate of a fluid through an orifice in a leak source area comprising (a) a plurality of means for measuring the sound pressure level of the fluid leak, said plural means for measuring the sound pressure level of the fluid leak being arranged in a plane wherein the said means are essentially equidistant from the said leak source area and are essentially equiangular to each other, and (b) a means for comparing the sound pressure level measured to a known standard for fluid leak rates.
Claim 28
Independent Claim
90 words
An apparatus for controlling a high pressure fluid leak in a leak source area comprising: (a) a plurality of sound measuring means for determining the leak rate of the leak source, said means being arranged in a plane wherein the means are essentially equidistant from the leak and are essentially equiangular from each other, (b) a means for comparing the signals from the sound measuring means with a standard curve, and (c) an activating means for shutting off the fluid leak to prevent the fluid from spreading in the atmosphere
Claim 29
Independent Claim
90 words
An apparatus for controlling a high pressure fluid leak in a leak source area comprising: (a) a plurality of sound measuring means for determining the leak rate of the leak source, said means being arranged in a plane wherein the means are essentially equidistant from the leak and are essentially equiangular from each other, (b) a means for comparing the signals from the sound measuring means with a standard curve, and (c) an activating means for shutting off the fluid leak to prevent the fluid from spreading in the atmosphere
Claim 30
Independent Claim
89 words
An apparatus for controlling a high pressure fluid leak in a leak source area comprising: (a) a plurality of sound measuring means for determining the leak rate in the leak source area, said means being arranged in a plane wherein the means are essentially equidistant from the leak and are essentially equiangular from each other, (b) a means for comparing the signals from the sound measuring means with a standard curve, and (c) an activating means for igniting the fluid to prevent the fluid from spreading in the atmosphere.
Claim 31
Independent Claim
89 words
An apparatus for controlling a high pressure fluid leak in a leak source area comprising: (a) a plurality of sound measuring means for determining the leak rate in the leak source area, said means being arranged in a plane wherein the means are essentially equidistant from the leak and are essentially equiangular from each other, (b) a means for comparing the signals from the sound measuring means with a standard curve, and (c) an activating means for igniting the fluid to prevent the fluid from spreading in the atmosphere.
Claim 32
Independent Claim
86 words
An apparatus for controlling a high pressure combustible fluid leak comprising: (a) a plurality of sound measuring means for determining the leak rate of the combustible fluid in the leak source area, said means being arranged in a manner wherein they are essentially equidistant from the leak source area and are essentially equiangular from each other, (b) a means for comparing the signals from the sound measuring means with a standard curve, and (c) a means for closing emergency block valves to isolate the fluid leak.
Claim 33
Independent Claim
86 words
An apparatus for controlling a high pressure combustible fluid leak comprising: (a) a plurality of sound measuring means for determining the leak rate of the combustible fluid in the leak source area, said means being arranged in a manner wherein they are essentially equidistant from the leak source area and are essentially equiangular from each other, (b) a means for comparing the signals from the sound measuring means with a standard curve, and (c) a means for closing emergency block valves to isolate the fluid leak.
Claim 34
Independent Claim
87 words
An apparatus for controlling a high pressure combustible fluid leak in a leak source area comprising: (a) a plurality of sound measuring means for determining the leak rate of the combustible fluid in the leak source area, said means being arranged in a plane wherein they are essentially equidistant from the leak source area and are essentially equidistant from each other, (b) a means for comparing the signals from the sound measuring means with a standard curve, and (c) a means for igniting the combustible fluid leak.
Claim 35
Independent Claim
87 words
An apparatus for controlling a high pressure combustible fluid leak in a leak source area comprising: (a) a plurality of sound measuring means for determining the leak rate of the combustible fluid in the leak source area, said means being arranged in a plane wherein they are essentially equidistant from the leak source area and are essentially equidistant from each other, (b) a means for comparing the signals from the sound measuring means with a standard curve, and (c) a means for igniting the combustible fluid leak.
Claim 36
Dependent Claim
21 words
The apparatus of claim 19 wherein the plural number of the plurality of sound measuring means is 2, 3, or 4.
Claim 37
Dependent Claim
21 words
The apparatus of claim 20 wherein the plural number of the plurality of sound measuring means is 2, 3, or 4.
Claim 38
Dependent Claim
21 words
The apparatus of claim 21 wherein the plural number of the plurality of sound measuring means is 2, 3, or 4.
Claim 39
Dependent Claim
21 words
The apparatus of claim 22 wherein the plural number of the plurality of sound measuring means is 2, 3, or 4.
Claim 40
Dependent Claim
21 words
The apparatus of claim 23 wherein the plural number of the plurality of sound measuring means is 2, 3, or 4.
Claim 41
Dependent Claim
21 words
The process of claim 1 wherein the plural number of the plurality of sound measuring means is 2, 3, or 4.
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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) | 1995-08-11 | 1996-02-10 | 1996-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-08-11 | 2000-02-10 | 2000-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-08-11 | 2004-02-10 | 2004-08-11 | $7700.00 | Window Closed / Lapsed |