Patent US4355363A successfully refreshed from Google Patents.
US4355363A
Expired / Lapsed
US
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Digital characterization of liquid gaging system sensors
Assignee: Honeywell Inc
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Filing: 1980-05-14
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Granted: 1982-10-19
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Expires: 2000-05-14
Abstract
Abstract A characterized liquid gaging system sensor comprising sensor apparatus for determining a depth of liquid in a tank at a particular location in the tank. The sensor also includes storage apparatus for storing characterization parameters, each parameter being based on tank shape and volume and on the location of the sensor apparatus, each parameter defining a relationship between a liquid depth and a value related to a liquid quantity. The sensor apparatus and the storage apparatus are connected.
Inventors
- 👤 Dwight D. Colby
- 👤 Martin J. van Dyke
- 👤 William R. Dougherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:19
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
153 words
A characterized liquid gaging system sensor, comprising: sensor means for sensing a depth of liquid in a tank at a particular location in the tank; and storage means for storing characterization parameters, each parameter defining a relationship between a liquid depth and a value related to a liquid quantity, each parameter being based on tank shape and volume, on the location of the sensor means, and on a physical condition which affects the accuracy of the value related to the liquid quantity, the storage means comprising means for storing look up tables, there being a first look up table for storing a first set of parameters and a second look up table for storing a second set of parameters, the first and second set of parameters each representing a different best fit between the physical condition and the value related to the liquid quantity, the storage means being connected to the sensor means.
Claim 2
Dependent Claim
153 words
A characterized liquid gaging system sensor, comprising: sensor means for sensing a depth of liquid in a tank at a particular location in the tank; and storage means for storing characterization parameters, each parameter defining a relationship between a liquid depth and a value related to a liquid quantity, each parameter being based on tank shape and volume, on the location of the sensor means, and on a physical condition which affects the accuracy of the value related to the liquid quantity, the storage means comprising means for storing look up tables, there being a first look up table for storing a first set of parameters and a second look up table for storing a second set of parameters, the first and second set of parameters each representing a different best fit between the physical condition and the value related to the liquid quantity, the storage means being connected to the sensor means.
Claim 3
Dependent Claim
13 words
The apparatus of claim 1 wherein the sensor means comprises a capacitive probe.
Claim 4
Dependent Claim
17 words
The apparatus of claim 2 wherein the capacitive probe has an essentially uniform capacitance per unit length.
Claim 5
Dependent Claim
31 words
The apparatus of claim 1 wherein the storage means comprises means for storing characterization parameters based on a physical condition related to an orientation of a liquid surface in the tank.
Claim 6
Dependent Claim
22 words
The apparatus of claim 1 wherein the storage means comprises means for storing characterization parameters based on an orientation of the tank.
Claim 7
Dependent Claim
30 words
The apparatus of claim 1 wherein the system is for an aircraft and wherein the storage means comprises means for storing characterization parameters based on an attitude of the aircraft.
Claim 8
Dependent Claim
16 words
The apparatus of claim 4, 5, or 6 wherein the sensor means comprises a capacitive probe.
Claim 9
Dependent Claim
17 words
The apparatus of claim 7 wherein the capacitive probe has an essentially uniform capacitance per unit length.
Claim 10
Dependent Claim
55 words
The apparatus of claim 1 wherein the sensor means comprises a probe for mounting in the tank, the probe having a length, the probe providing a wetted sensor length signal variable in dependence on the portion of the probe immersed in a liquid, the portion so immersed being a wetted sensing length of the probe.
Claim 11
Dependent Claim
12 words
The apparatus of claim 9 wherein the probe comprises a capacitive probe.
Claim 12
Dependent Claim
17 words
The apparatus of claim 10 wherein the capacitive probe has an essentially uniform capacitance per unit length.
Claim 13
Dependent Claim
142 words
A characterized liquid gaging system sensor, comprising: sensor means for sensing a depth of liquid in a tank at a particular location in the tank; and storage means for storing characterization parameters, each parameter defining a volume increment related to a predetermined increment of liquid depth, each parameter being based on tank shape and volume, on the location of the sensor means, and on a physical condition which affects the accuracy of the volume increment, the storage means comprising means for storing look up tables, there being a first look up table for storing a first set of parameters and a second look up table for storing a second set of parameters, the first and second set of parameters each representing a different best fit between the physical condition and the volume increments, the storage means being connected to the sensor means.
Claim 14
Dependent Claim
142 words
A characterized liquid gaging system sensor, comprising: sensor means for sensing a depth of liquid in a tank at a particular location in the tank; and storage means for storing characterization parameters, each parameter defining a volume increment related to a predetermined increment of liquid depth, each parameter being based on tank shape and volume, on the location of the sensor means, and on a physical condition which affects the accuracy of the volume increment, the storage means comprising means for storing look up tables, there being a first look up table for storing a first set of parameters and a second look up table for storing a second set of parameters, the first and second set of parameters each representing a different best fit between the physical condition and the volume increments, the storage means being connected to the sensor means.
Claim 15
Dependent Claim
13 words
The apparatus of claim 12 wherein the sensor means comprises a capacitive probe.
Claim 16
Dependent Claim
17 words
The apparatus of claim 13 wherein the capacitive probe has an essentially uniform capacitance per unit length.
Claim 17
Dependent Claim
28 words
The apparatus of claim 12 wherein the storage means comprises means for storing characterization parameters based on a physical condition related to an orientation of a liquid surface.
Claim 18
Dependent Claim
22 words
The apparatus of claim 12 wherein the storage means comprises means for storing characterization parameters based on an orientation of the tank.
Claim 19
Dependent Claim
30 words
The apparatus of claim 12 wherein the system is for an aircraft and wherein the storage means comprises means for storing characterization parameters based on an attitude of the aircraft.
Claim 20
Dependent Claim
16 words
The apparatus of claim 15, 16 or 17 wherein the sensor means comprises a capacitive probe.
Claim 21
Dependent Claim
17 words
The apparatus of claim 18 wherein the capacitive probe has an essentially uniform capacitance per unit length.
Claim 22
Dependent Claim
55 words
The apparatus of claim 12 wherein the sensor means comprises a probe for mounting in the tank, the probe having a length, the probe providing a wetted sensor length signal variable in dependence on the portion of the probe immersed in a liquid, the portion so immersed being a wetted sensing length of the probe.
Claim 23
Dependent Claim
12 words
The apparatus of claim 20 wherein the probe comprises a capacitive probe.
Claim 24
Dependent Claim
17 words
The apparatus of claim 21 wherein the capacitive probe has an essentially uniform capacitance per unit length.
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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) | 1985-10-18 | 1986-04-19 | 1986-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-18 | 1990-04-19 | 1990-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-18 | 1994-04-19 | 1994-10-19 | $7700.00 | Window Closed / Lapsed |